Endurance Sport Events in United States 🇺🇸 2026–2027 — Calendar
229 Upcoming endurance events listed in United States from August 2026 to February 2028 with the most events in California (31), Texas (20) and Massachusetts (15), including Bank of America Chicago Marathon and TCS New York City Marathon.
398 Athletes targeting these events on Intervals.icu
Aug 12, 2026
Charlie Baker Time Trial Series 8/12/2026
- **Optional NEBC membership ($20) can be purchased here. Required for Season Pass:** **https://www.bikereg.com/nebc-cl…
Aug 14, 2026
San Juan Softie
Aug 15, 2026
2026 Mt. Washington Auto Road Bicycle Hillclimb
**Date: Saturday, August 15, 2026**
**(Weather Date: Sunday, August 16, 2026)**
We are excited to return to the “r…
Aug 15, 2026
Aether's Traverse
https://www.panhandlegravel.com/aethers-traverse
Aug 15, 2026
Chocolate City Criterium — District of Columbia & MABRA Category Championships
**Chocolate City Criterium – The District of Columbia Criterium Championship & MABRA Category Criterium Championship**Vi…
Aug 15, 2026
Heineman Hills Marathon
Part of Underdown Trail Run: 60k, Marathon, half marathon available
Aug 15, 2026
Leadville 100 MTB
Aug 15, 2026
Leadville MTB
This is it. The Race of All Races.
In 1994, 150 gutsy riders braved 100 miles of high-altitude, extreme Rocky Mountain…
Aug 15, 2026
Lost River Classic
**Lost River Classic: Saturday, August 15, 2026 at 9 AM**
The Lost River Classic returns for its third year on August 1…
Aug 15, 2026
Lucarelli & Castaldi Cup #8
**About The ****Lucarelli & Castaldi Cup**
This race is Round 8 of the 2026 Lucarelli & Castaldi Cup. The Lucarelli &…
Aug 15, 2026
San Ardo Road Race
**CALIFORNIA STATE ROAD RACE CHAMPIONSHIPS !**Velo Promo and Golden Chain Cyclists present the 43rd Annual:
SA…
Aug 15, 2026
Utah CF Cycle for Life 2026
Aug 15, 2026
Vermont Overland
55 Mile Gravel Race
Aug 15, 2026
WORS Treadfest
WORS Treadfest.
Aug 16, 2026
Ironman 70.3 Northern California
Aug 16, 2026
Wells Ave Crit p/b Jeffrey Glassman Injury Lawyers
Presented by New England Development p/b Cadence Wealth Management
- [www.newenglanddevo.org/wells-ave](https://www.ne…
Aug 16, 2026
WORS Border Battle
WORS Border Battle.
Aug 16, 2026
WORS Border Battle
WORS Border Battle.
Aug 19, 2026
Charlie Baker Time Trial Series 8/19/2026
- **Optional NEBC membership ($20) can be purchased here. Required for Season Pass:** **https://www.bikereg.com/nebc-cl…
Aug 21, 2026
Gravel Worlds 300
300 mile gravel race.
Aug 22, 2026
BSU Bike Tour 2026
**ABOUT THIS EVENT**
The BSU Bike Tour is a ride with a cause! Celebrating 11 years, we blend fitness with philanthropy…
Aug 22, 2026
Buster Britton Tri
Aug 22, 2026
D2R2 2026
**D2R2 - The Deerfield Dirt Road Randonnée 2026**
***RIDE FOR THE LAND *****Saturday, August 22, 2026**
**Present…
Aug 22, 2026
Dalton Grand Prix
There WILL BE ON-SITE Registraion at both days of Dalton. We will open reg 90 mins before the first ace each day.
Cat…
Aug 22, 2026
Gravel Worlds 75
Aug 22, 2026
Hot Trot Half Marathon
Aug 22, 2026
Sunshine Sprint Triathlon
Aug 22, 2026
The CCAP Tokeneke Road Race
** ****The Tokeneke Road Race**
The CCAP is hosting one of the best road races in New England and the only road race…
Aug 22, 2026
Village Gravel
Aug 22, 2026
Winters NCNCA Masters District Championship Criterium
Course Start and Finish on Railroad Ave, downtown Winters. Registration on E Main St, next to coffee bar Steady Eddy's,…
Aug 23, 2026
2026 Giro del Cielo Road Race/NJ State Championships Road Race
** **
**https://www.facebook.com/actionbikesandoutdoor/**
**and**
** **
**present**
**The Giro del Cielo Road Race…
Aug 23, 2026
50th Annual Brandywine Bike Tour
**The ****50th**** Brandywine Tour!**
**Sunday, August 23rd, 2026**
The Delaware Valley Bicycle Club is pleased…
Aug 23, 2026
Blue Ridge Gran Fondo
The Blue Ridge Gran Fondo is part of the **Gran Fondo National Series**. Participants in the Mountain Ride will be elig…
Aug 23, 2026
Californian Dreamin’ Half Marathon
Aug 23, 2026
Chicago Triathlon
Olympic and Sprint Triathlon
Aug 23, 2026
Corporate 5k
Aug 23, 2026
Lane Purser Memorial Road Race Series [2nd 5 Miler]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Aug 23, 2026
Santa Rosa Marathon
2026 Santa Rosa Marathon
Aug 23, 2026
The Philly 10K
Welcome to South Philly.
The 13th annual Philly 10K is here and this year not only do we have a new title sponsor, we h…
Aug 23, 2026
Wells Ave Crit #2 p/b Jeffrey Glassman Injury Lawyers
Presented by New England Development p/b Cadence Wealth Management
- [www.newenglanddevo.org/wells-ave](https://www.ne…
Aug 26, 2026
Charlie Baker Time Trial Series 8/26/2026
- **Optional NEBC membership ($20) can be purchased here. Required for Season Pass:** **https://www.bikereg.com/nebc-cl…
Aug 27, 2026
2026 Hotter'N Hell Weekend of Events
**HHH ENDURANCE RIDE presented by: WICHITA FALLS BICYCLING CLUB**
**The HHH Endurance Ride Start Line is at: 104 Scott…
Aug 28, 2026
2026 Hotter'N Hell - USAC Licensed Races
**Hotter'N Hell Races presented by Marchand Roofing & Construction**
**Total purse of $25,000:**
- **Men's Pro/1/2 &…
Aug 29, 2026
2026 Ohio State Road Race Championship presented by CCA & Knabe Law - USAC Permit #: 16156
**2026 Ohio State Road Race**
** Championships**
**Presented by CCA & KNABE LAW FIRM**
**USAC Permit #: 1615…
Aug 29, 2026
Park City Summit Challenge
Aug 29, 2026
Rose Mountain Rumble
**The 11th Annual Rose Mountain Rumble (RMR) takes place Saturday, August 29th, 2026.**
*Registration opens 7:00 AM, r…
Aug 29, 2026
Thunder Bay Thriller
**Welcome to the THUNDER BAY THRILLER!**
Take on the challenge of a 65-mile multi-surface gravel race through the sceni…
Aug 30, 2026
2026 Blackberry bRamble
b/'ramb?l/ n. a leisurely bicycle excursion for pleasure (known as a **Blackberry bRamble** when served Blackberry Cob…
Aug 30, 2026
46th Anniversary Wells Ave Crit Championship p/b Jeffrey Glassman Injury Lawyers
Presented by New England Development p/b Cadence Wealth Management
- [www.newenglanddevo.org/wells-ave](https://www.ne…
Aug 30, 2026
UPMC Health Plan PedalPGH 2026
Presented by Bike Pittsburgh
- [pedalpgh.org](http://pedalpgh.org)
- [www.BikeReg.com/74596](https://www.BikeReg.com/7…
Aug 30, 2026
WORS Battle Of Camrock
WORS Battle Of Camrock.
Sep 4, 2026
Bommarito Audi West County Gateway Cup Professional Bicycle Races
Hotel and Host Housing information: http://www.gatewaycup.com/stay/ Fresh links this summer!
Shake out your legs at th…
Sep 4, 2026
Green Mountain Stage Race
Thank you for your interest in the Green Mountain Stage Race. In 2023 the GMSR was the largest stage race in North Ameri…
Sep 4, 2026
UCI Para-cycling Road World Championships
Sep 5, 2026
Mt. Ascutney Bicycle Hillclimb 2026
Low registration fees, a friendly race atmosphere and all profits to charity. Mt. Ascutney is the..
**“People's Hill C…
Sep 5, 2026
NCC Hydra Cross (RVCX Series #2)
Other generous sponsors and supporters include:
*** ***
Day-of registration is available o…
Sep 5, 2026
Park city point 2 point
Sep 8, 2026
Bike Night at COTA: September 8 - Back to School Theme!
**Event Schedule:**
- 5:15PM - On-Site Registration Opens
- 6:00PM - Track Opens*
- Sunset - Track Closes
*Timing…
Sep 11, 2026
Olukai Low Country Paddlefest
Sep 12, 2026
Bear Jaw Groove
6hr. Mtn Bike relay located in Flagstaff AZ.
The 10.5 mile loop course Begins on a fire road for roughly a mile to gi…
Sep 12, 2026
HenBIKEo CX - VACX
**Race and Course Info:**
Get stoked to race in the second annual HenBIKEo CX! Ride through the historic park's living…
Sep 12, 2026
Ironman Wisconsin 70.3
Sep 12, 2026
Mount Greylock Hill Climb Time Trial 2026
***Race to the top of Massachusetts!***
**Mount Greylock Hill Climb Time Trial**
**Presented by Northampt…
Sep 12, 2026
PGV 2026 Barns and Beers Bike Tour
Pete's Good Vibes is holding its 5th annual Barns and Beers Bike Tour September 12, 2026. And we have to say… we're pret…
Sep 12, 2026
VentureQuest Adventure Race
Soloists and teams of up to 4 (male, female, or mixed gender) will be tasked with finding checkpoints dispersed inside a…
Sep 13, 2026
Beer City Half Bishop Ranch
Sep 13, 2026
Boston or Bust 13.1
Sep 13, 2026
Cabot Ride the Ridges
Cabot Ride the Ridges 2026 marks Year 13 of this fantastic gravel grinder, with each and every year better than the last…
Sep 13, 2026
Cross 1
Sep 13, 2026
Erie Marathon
Sep 13, 2026
IRONMAN 70.3 Santa Cruz
IRONMAN 70.3 Santa Cruz
Sep 13, 2026
Ironman Wisconsin
Sep 13, 2026
Lane Purser Memorial Road Race Series [1st 10k]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Sep 13, 2026
Santa Monica Classic
The Santa Monica Classic is the perfect end of summer race for runners, joggers, and walkers of all ages and abilities!…
Sep 13, 2026
The Boston or Bust Marathon & Half Marathon
Sep 13, 2026
Vanish Cross-- Event #1 of the 2026 BikeReg Cyclocross Super Series
**Event #1 in the 2025 BikeReg Cyclocross Super Series**
**The 1st Annual Vanish Cross race hosted by ****Vanish Brewin…
Sep 13, 2026
Visite de Broussard
Sep 15, 2026
Bike Night at COTA: September 15
**Event Schedule:**
- 5:15PM - On-Site Registration Opens
- 6:00PM - Track Opens*
- Sunset - Track Closes
*Timing…
Sep 18, 2026
Rochester Cyclocross - UCI C1/C2 - USCX Series
In it's 18th year, this event has grown to be bigger than ever! Formerly known as Ellison Park Cyclocross, Rochester Cy…
Sep 19, 2026
2026 Coyote Classic Cross-Country Series Round #1 of 3
- The Endurance race starts at 8:00 am.
- The conventional mountain bike race starts at 10:00 am.
- If we have a larg…
Sep 19, 2026
49th Annual Fort Davis Cyclefest September 19th-20th 2026
Presented by Permian Basin Bicycle Association
- [www.pbbatx.com/cyclefest/](https://www.pbbatx.com/cyclefest/)
- [www…
Sep 19, 2026
Corner Canyon 10k
?
Sep 19, 2026
IM Maryland
Sep 19, 2026
Orca Half Marathon
Sep 19, 2026
Pinewood Showdown Gravel Grinder
The base of operations for the Pinewood Showdown will be the scenic Wilderness Ranch outside Pinetop-Lakeside/Show Low,…
Sep 20, 2026
BASP CX #1 Berkeley
Sep 20, 2026
GRAN FONDO MARYLAND CHAMPIONSHIPS
Sep 20, 2026
Gran Fondo Maryland, p/b Ourisman Automotive Group, a SENA Gran Fondo National Series event
Most up to date details available at https://www.granfondonationalseries.com/gran-fondo-maryland
**GRAN FONDO MAR…
Sep 20, 2026
IRONMAN 70.3 Washington Tri-Cities
https://www.ironman.com/races/im703-washington-tri-cities/course
Sep 20, 2026
Lane Purser Memorial Road Race Series [2nd 10k]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Sep 20, 2026
Oktoberfest Sprint Triathlon
- [www.withoutlimits.co](http://www.withoutlimits.co)
- [www.TriReg.com/2111](https://www.TriReg.com/2111)
Categorie…
Sep 20, 2026
Philadelphia Distance Run
Sep 22, 2026
Bike Night at COTA: September 22
**Event Schedule:**
- 5:15PM - On-Site Registration Opens
- 6:00PM - Track Opens*
- Sunset - Track Closes
*Timing…
Sep 22, 2026
The CCNS Worlds Tour
Presented by CCNS
- [www.charlescoaching.com/](https://www.charlescoaching.com/)
- [www.BikeReg.com/73221](https://www…
Sep 25, 2026
Palo Alto Moonlight Run
Sep 25, 2026
The New Haven Grand Prix
**THE NEW HAVEN GRAND PRIX IS BACK AND BETTER THAN EVER!**
**FOR MORE INFORMATION, GO TO:****www.newhavengp.com**…
Sep 25, 2026
Virginia's Blue Ridge GO Cross - UCI C1/C2 - USCX Series
Our friends at the Holiday Inn - Tanglewood have created a special rate just for GOCXers! Holiday Inn - Tanglewood GOCX…
Sep 26, 2026
Big Dam Bridge 100
Sep 26, 2026
Desert's Edge Triathlon Series
Welcome to registration for the **2026 Desert's Edge Triathlon Series**.
This event is being produced with people who…
Sep 26, 2026
IRONMAN 70.3 NEW YORK
IRONMAN 70.3 New York at Jones Beach September, 26th, 2026.
Sep 26, 2026
Kilowatt Cross (RVCX Series #3)
**Saturday, September 26th 2026**
**Northfield Mountain Recreation Center | 99 Millers Falls Rd, Northfield, MA 01360**…
Sep 26, 2026
Represent Yourself 5k
Sep 26, 2026
Tarpon Springs Triathlon
Sep 26, 2026
Trailfest 50k
Sep 27, 2026
Apple Valley Reverse Triathlon
Sprint Reverse Triathlon
Sep 27, 2026
Boulderthon
Sep 27, 2026
Clarence DeMar Marathon
Sep 27, 2026
High Plains Drifter
Unsanctioned bikepacking race in northern Colorado
Sep 27, 2026
Ironman 70.3 Augusta
Sep 27, 2026
Ironman Chattanooga
Sep 27, 2026
Santa Cruz Triathlon
Sep 27, 2026
Squam Ridge Race
12.2 miles, 3,039 ft. elevation gain
Sep 27, 2026
Trailfest 26k
Sep 29, 2026
Bike Night at COTA: September 29 - Disco Theme!
**Event Schedule:**
- 5:15PM - On-Site Registration Opens
- 6:00PM - Track Opens*
- Sunset - Track Closes
*Timing…
Oct 3, 2026
Angeles Crest 100
The Angeles Crest 100 Mile Endurance Run has been held since 1986. It is one of the original five 100-mile races and is…
Oct 3, 2026
Buffalo River Gravel Gran Fondo
Buffalo River Gran Fondo – October 3, 2026**Start/Finish:** Second Stage, Amherst, VAThe Buffalo River Gran Fondo return…
Oct 3, 2026
Charm City Cross - USCX Series UCI C1/C2
**PRESENTED BY WAGNER ROOFING**…
Oct 3, 2026
The Pretzel Run
Oct 4, 2026
Cameron Crusher
Oct 4, 2026
Delco 10 Miler
Oct 4, 2026
Great Pumpkin Metric 55K
The Great Pumpkin Metric is a scenic, rural bicycle tour through southwestern Indiana. Cyclists will ride through portio…
Oct 4, 2026
Ironman 70.3
Oct 4, 2026
Lane Purser Memorial Road Race Series [1st 10 Miler]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Oct 4, 2026
Pacific Beach Half Marathon
Oct 4, 2026
Portland Half Marathon
Oct 4, 2026
Twin Cities Marathon
Whether you wake up at 4 a.m. to lace up or spend the night before hand-lettering motivational signs, the Medtronic Twin…
Oct 4, 2026
Waco 70.3
Oct 10, 2026
5k on the 5th Runway
A rare opportunity to run on a runway at the world's busiest airport
Oct 10, 2026
Big Apple Triathalon
Big apple
Oct 10, 2026
Kodiak 100km (3120 M+)
https://kodiak.utmb.world/races/100K
Oct 10, 2026
OCTOBER CYCLEFEST - Octoginta 57 & Tour de Chicken Creek
**October CycleFest!**
***Featuring: Tour de Chicken Creek (gravel) - Sat, Oct 10. and Octoginta 57 (road) - Sun, Oct.1…
Oct 11, 2026
AthHalf Half Marathon
Oct 11, 2026
Bank of America Chicago Marathon
The Bank of America Chicago Marathon is known for its flat and fast course. The race starts and finishes in Grant Park a…
Oct 11, 2026
Chicago Marathon
Oct 11, 2026
Lime Rock Park Epic
***New England's Fall Classic, the Lime Rock Park Epic***
Based at the legendary Lime Rock Park in Connecticut's Litchf…
Oct 11, 2026
Long Beach Marathon
Challenge yourself to 26.2 miles on a fast, flat, sea-level course showcasing the best of Long Beach.
Starting in Downt…
Oct 11, 2026
Maratona Chicago
3:10:00
Oct 11, 2026
unPAved of the Susquehanna River Valley
Before registering **read all the rules, schedule, route descriptions, and details about each category** on the unPAved…
Oct 16, 2026
Tree House CX | RVCX Series #4 | New England Regional CX Championships
**TREE HOUSE CX**
**Clinic and Pre-Ride | Friday, October 16th**
** River Valley CX Series | Saturday, October 17th**…
Oct 17, 2026
2026 Coyote Classic Cross-Country Series Round #2 of 3
- The Endurance race starts at 8:00 am.
- The conventional mountain bike race starts at 10:00 am.
- If we have a larg…
Oct 17, 2026
2026 Glassner Autumn Challenge
To volunteer for this year's Glassner Autumn Challenge, go to the Glassner Volunteer page.
We look forward to seeing yo…
Oct 17, 2026
5k and 10k Fun Run x OMNI Brewing - Victoria | 2026 MN Brewery Run
Oct 17, 2026
Chino Gravel Grinder
Celebrated as Arizona’s oldest and most iconic gravel grinder, the Chino Grinder has earned its reputation as the toughe…
Oct 17, 2026
Dirty Sheets Gravel
62 Mile
Oct 17, 2026
IRONMAN 70.3 North Carolina
Oct 17, 2026
Jesse Owens 5K
Experience what the Columbus Marathon & 1/2 Marathon weekend is all about when you take part in the Jesse Owens 5K, hono…
Oct 17, 2026
Kansas City Marathon
5k
10k
Half-Marathon
Marathon
Oct 17, 2026
Palo Duro Canyon 50k
Oct 17, 2026
Rev3 Mighty Matapeake
Oct 17, 2026
Sonoma Fall Classic
Oct 17, 2026
Wilmington 70.3
Oct 17, 2026
Wilmington 70.3
Oct 18, 2026
Grand Rapids Marathon
Oct 18, 2026
Happy Valley Half Marathon & 5K
Oct 18, 2026
Ironman Ca
Oct 18, 2026
Ironman California
Full distance triathlon
Oct 18, 2026
Lane Purser Memorial Road Race Series [2nd 10 Miler]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Oct 23, 2026
Central Texas Showdown 2026
The last day to unregister for a full refund will be Sept. 23rd. After the refund period a credit can be given towards…
Oct 24, 2026
NAPA Fall
Oct 24, 2026
Nogales Road Race - AZ Championship
Welcome to the Nogales Bicycle Classic
Experience the beauty, culture, and challenge of Southern Arizona’s premier cycl…
Oct 24, 2026
NQCX (VA Cyclocross State Championship) - VACX
**Race and Course Info:**
Back for 2026 is NQCX or New Quarter Cyclocross located at New Quarter Park in York County, V…
Oct 24, 2026
The Edisto Island Triathlon Pro Am
Oct 25, 2026
51st Marine Corp Marathon
Oct 25, 2026
Atlanta 10 Miler
Nov 1, 2026
cambridge half marathon
Nov 1, 2026
Kansas Half Marathon
Nov 1, 2026
Lane Purser Memorial Road Race Series [1st Half Marathon]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Nov 1, 2026
TCS New York City Marathon
Nov 7, 2026
CFA Corinth Half Marathon
Nov 7, 2026
Gooseberry Epic
The Gooseberry Epic is Southern Utah’s ultimate endurance race—part test of grit, part slickrock playground, and all unf…
Nov 7, 2026
IronMAN Florida 2026
Nov 7, 2026
Iron Man - Panama City, FL
Nov 7, 2026
Mt. Tam 50K
Mt. Tamalpais is the dominating feature in Marin County. Any true trail runner who sees it wants to run up it. Here’s…
Nov 7, 2026
Pan-American Cyclocross Championships and DCCX
Join us November 7-8 for DCCX and the Pan-American Cyclocross Championships.
**The Event**: We are happy to be back in…
Nov 7, 2026
Spirit World Gravel Grinder
https://ridewithgps.com/routes/44502961
Nov 8, 2026
Boston Half
The Boston Half begins and ends in Boston’s Franklin Park, one of the oldest parks in America. The rolling course runs a…
Nov 8, 2026
Dogwood Canyon 15K
Nov 8, 2026
Santa Barbara Half Marathon
Nov 14, 2026
2026 Coyote Classic Cross-Country Series Round #3 of 3
- The Endurance race starts at 8:00 am.
- The conventional mountain bike race starts at 10:00 am.
- If we have a larg…
Nov 14, 2026
Allianz Richmond Marathon
Nov 14, 2026
Borderlands Gravel Race
The Arizona Gravel Championship will be contested as a single-day event in the borderlands of southeastern Arizona, host…
Nov 14, 2026
Charlotte Marathon
Nov 14, 2026
Lady of the Lake
Nov 14, 2026
Lane Purser Memorial Road Race Series [2nd Half Marathon] [Big River Crossing Half Marathon]
2026 Lane Purser Memorial Road Race Series
Presented by the Memphis Runners Track Club
Join us for the 44th annual Road…
Nov 14, 2026
Ripon Turkey Trail Run (10k)
Nov 14, 2026
Savannah Southern Half Marathon
Nov 15, 2026
Madison Marathon
Nov 15, 2026
Madison Marathon - Half
Nov 21, 2026
El Tour de Tucson
102 miles
Nov 21, 2026
Philadelphia Half Marathon 2026
Nov 21, 2026
Secret Squirrel CX
Ask anyone who came last year what it is.....
This is an unsanctioned race - NO LICENSE REQUIRED!
Please don't make…
Nov 22, 2026
Philadelphia Marathon
Nov 26, 2026
Boulevard Bolt
5 Miler
Nov 26, 2026
Lenny and Joe's Madison Turkey Trot
Madison, CT Turkey Trot
Nov 26, 2026
Thanksgiving Day Half Marathon
Nov 29, 2026
Seattle Marathon
Dec 4, 2026
West Texas Showdown 2026
*Please visit the **West Texas Showdown website** for more information about this event and routes. *
**West Texas Sho…
Dec 5, 2026
Eastside Beltline 12k
Dec 5, 2026
St. Jude Memphis Marathon
When does registration open?
St. Jude Heroes registration is open to the public April 1 – June 2, 2026.
Participant must…
Dec 6, 2026
70.3 La Quinta
Ironman 70.3 La Quinta
Dec 6, 2026
California International Marathon (CIM)
The Fastest Course in the West!
#1 Boston Qualifier ○ Top-10 Largest US Marathon ○ Gentle Rolling Hills with a Flat, Fas…
Dec 6, 2026
Ironman 70.3
Dec 6, 2026
Ironman 70.3
Dec 6, 2026
Nittany Valley Half-Marathon
**Join us for the** **42nd Nittany Valley Half Marathon**!This 13.1-mile course begins and ends on Penn State’s campus,…
Dec 13, 2026
2026 JAL Honolulu Marathon
Dec 13, 2026
BCS Marathon
Mostly flat course; likely cold & windy.
Dec 13, 2026
Ironman 70.3 Florida
Dec 19, 2026
Reindeer Run 5K & 10K
Jan 2, 2027
Polar Opposite Peachtree
Jan 17, 2027
Houston Marathon
Jan 17, 2027
Louisiana Marathon
Jan 30, 2027
Charleston Half Marathon
Feb 14, 2027
Austin International Marathon
Feb 14, 2027
Mesa Marathon
Mar 7, 2027
Olympic Triathlon - Clermont
Apr 24, 2027
Ironman Texas
140.6 Miles
Apr 24, 2027
Ironman Texas
Apr 25, 2027
2027 Tour of Georgia Gran Fondo, a SENA Gran Fondo National Series event
**DETAILS HERE SUBJECT TO CHANGE**
For most up to date details, visit: https://www.granfondonationalseries.com/gran-fon…
Apr 25, 2027
OKC Memorial Half Marathon
May 8, 2027
Gonzo Gravel
Gonzo Gravel Race
May 14, 2027
ACRA
May 15, 2027
Utmb Rothrock
May 16, 2027
cHATTANOOGA 70.3
May 23, 2027
Samson's 10k
Jun 5, 2027
2026 Ojai Valley Century, to support the Scouts of Troops of Ventura County
Presented by Ojai Valley Rides, Inc.
- [www.ojaivalleycentury.org/](http://www.ojaivalleycentury.org/)
- [www.BikeReg.…
Jun 5, 2027
Tour de Frederick
Presented by The Rotary Club of Carroll Creek
- [www.tourdefrederick.com](http://www.tourdefrederick.com)
- [www.BikeR…
Jun 6, 2027
IRONMAN 70.3 Omaha
Oct 8, 2027
Kodiak Ultra Marathons by UTMB 100M
Dec 12, 2027