Race calendar · Fall 2026
Fall Ultramarathons 2026
72 ultramarathons across the US still to run this fall, September through November, grouped by month and sorted by date.
September 2026 Ultramarathons
September Ultra calendar Sat, Sep 26, 2026Sangre de Cristo Trail Festival Westcliffe, COFrom $150Details Sat, Sep 26, 2026Harvest 50 Gravel Zionsville, INRegistration closedPricing TBADetails Sat, Sep 26, 2026The Lakes TrailFest Palmer, AKRegistration closedFrom $100Details Sat, Sep 26, 2026Sky Island Fort Davis, TXFrom $179Details Sat, Sep 26, 2026Run For Freedom Ultimate Challenger Race Sugar Creek, OHRegistration closedPricing TBADetails Sun, Sep 27, 2026Farm to Farm Ultra Freeport, MEFrom $25Details Sun, Sep 27, 2026Vermont 50 Mountain Bike or Ultra Run Brownsville, VTRegistration closedFrom $175Details
October 2026 Ultramarathons
October Ultra calendar Thu, Oct 1, 2026NJ Trail Series One Day Augusta, NJFrom $200Details Thu, Oct 1, 2026BMT STEPS 2 GREATNESS CHALLENGE FALL 2026 Brooklyn, NYFrom $5Details Thu, Oct 1, 2026IronHike Mohawk Mountain Fall Series 2026 Mohawk Mtn Ski Area, Cornwall, CTFrom $360Details Thu, Oct 1, 2026HELP in Motion Trail Run Sturgeon Bay, WIFrom $40Details Sat, Oct 3, 2026Run to Defeat the Monsters- Domestic Violence Warrior, ALFrom $45Details Sat, Oct 3, 2026Whitefish Trail Blazer Whitefish, MTFrom $150Details Sat, Oct 3, 2026RAF Trail Race Series Bruceton Mills, WVFrom $125Details Fri, Oct 9, 2026West Virginia Trilogy Circleville, WVFrom $100Details Fri, Oct 9, 2026Point to Point NJ Sussex, NJFrom $125Details Sat, Oct 10, 2026CanLake Ultras Canandaigua, NYFrom $120Details Sat, Oct 10, 2026Midstate Massive Ultra Trail New Ipswich, NHRegistration opens Sep 29FreeDetails Sat, Oct 10, 2026Oil Creek 100 Trail Runs Titusville, PAFrom $190Details Sat, Oct 10, 2026Ruth Anderson Memorial Endurance Run San Francisco, CAFreeDetails Sat, Oct 10, 2026Wolverine State 100 Petoskey, MIFrom $140Details Sat, Oct 10, 2026Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra Bastrop, TXFrom $130Details Sat, Oct 10, 2026The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash Glen Rose, TXFrom $145Details Sat, Oct 10, 2026Rockland Lake 30/50k Valley Cottage, NYFrom $125Register Sat, Oct 10, 2026The Big BO 50k Indianapolis, INFrom $85Details Sat, Oct 10, 2026Chasing the Sun Endurance Run Bradenton, FLFrom $85Details Sun, Oct 11, 20262026 HARRA Warm-Up Series Houston, TXFrom $230Details Fri, Oct 16, 2026Cannonball Running Festival - Marathon, Half Marathon, 10K & 5K Greensboro, NCFrom $155Details Fri, Oct 16, 2026Little Rooster Run Glencoe, KYFrom $130Details Sat, Oct 17, 2026SUFFOLK COUNTY MARATHON BAY SHORE, NYFrom $179Details Sat, Oct 17, 2026Sadlers Creek Stumble (32 Hour - 26.2 - 13.1 - 10k) Anderson, SCFrom $125Details Sat, Oct 17, 2026Delaware River Loop Series Titusville, NJFrom $15Details Sat, Oct 17, 2026Sinnemahone Ultra Trail Run Emporium, PAFrom $70Details Sat, Oct 17, 2026Nationwide Children's Hospital Columbus Marathon & 1/2 Marathon, Jesse Owens 5K, 1 Mile & Kids Run Columbus, OHFrom $150Details Sat, Oct 17, 2026Galveston Ultra Trail Galveston, TXFrom $55Details Sun, Oct 18, 2026Another Dam 50k & 25k Englewood, OHFrom $75Details Wed, Oct 21, 2026Hill Valley 88 Miler ™ Hill Valley, CAFrom $78Details Sat, Oct 24, 2026Ohio Trail Series-Fall 2026 Waynesville, OHFrom $75Details Sat, Oct 24, 2026Triple Lakes Trail Race Greensboro, NCFrom $70Details Sat, Oct 24, 2026Grand Canyon Trail Marathon, Half-Marathon, & 5k Run/Walk Grand Canyon Village, AZFrom $70Details Sat, Oct 24, 2026Prisoner of War Trail Race (50k - 25k - 8mi) Spartanburg, SCFrom $70Details Sat, Oct 24, 2026Cleveland Half Marathon, 10k & 5k Cleveland, TNFrom $40Details Sat, Oct 24, 2026Fields of Gold 50K Marathon Half Marathon 12 Hour 1 Hour 10K 5K Marble Falls, TXFrom $140Details Sat, Oct 24, 2026Red Banks 5K Run/Walk for Joni & Friends Red Banks, MSFrom $35Details Sat, Oct 24, 2026Autumn Leaves 50-Mile, 50K & 30K Saint Paul, ORRegistration closedFrom $90Details Sat, Oct 24, 2026Sublett Point 50K, 25K, 5K Gurley, ALFrom $85Details Sun, Oct 25, 2026Hueston Woods Trail Race Hueston Woods State Park, OHFrom $75Details Sun, Oct 25, 2026Hixon 50 La Crosse, WIFrom $115Details Sun, Oct 25, 20262026 Marine Corp Marathon with Girls on the Run Arlington, VARegistration closedFrom $120Details Sat, Oct 31, 2026Naatsisaan Trail Races Navajo Mountain, UTFrom $80Details Sat, Oct 31, 2026Cougar Mountain Trail Run Series (October) Bellevue, WAFrom $100Details Sat, Oct 31, 2026Javelina Jundred Charity Bibs Fort Mcdowell, AZPricing TBADetails Sat, Oct 31, 20263rd ANNUAL LIGHTHOUSE FOR LIFE 24HR FREEDOM FIGHT Lexington, SCFreeDetails Sat, Oct 31, 2026The Barkcamp Race Belmont, OHFrom $65Details
November 2026 Ultramarathons
November Ultra calendar Sun, Nov 1, 2026Thankful Turkey 5K, 10K & Half Marathon Lake Zurich, ILPricing TBADetails Sat, Nov 7, 2026Veterans Trail Festival Hookstown, PAFrom $95Details Sat, Nov 7, 2026Pain In Green Lane 25K and 50K Green Lane, PAFrom $110Details Sat, Nov 7, 2026Lake Chabot Trail Run Castro Valley, CAFrom $90Details Sat, Nov 7, 2026Conquer the Castle Mayfield, OHFrom $95Details Sat, Nov 7, 2026Mt. Tam Trail Run Stinson Beach, CARegistration closedPricing TBADetails Sat, Nov 7, 2026Goblin Valley Trail Runs Green River, UTFrom $165Details Sat, Nov 7, 20262026 Kaiser Permanente Get Fit Festival Irvine, CAFrom $270Details Sat, Nov 7, 2026UltraTrax Wintergreen Roseland, VAFrom $131Details Sat, Nov 14, 2026RYR Endurance Race Weekend Owensboro, KYFrom $145Details Sat, Nov 14, 2026Roxbury Fall Classic Roxbury, CTFrom $110Details Sat, Nov 21, 2026Hit The Road, Jack! Carthage, MOFrom $50Details Sat, Nov 21, 2026The Midwest Ultra Trail Classic Knob Noster, MOFrom $60Details Fri, Nov 27, 2026Colorado River Run 250K 100 Mile 100K 50 Mile 50K Marathon Half Marathon Ruck 10K 5K Kids 1K Cedar Creek, TXFrom $150Details Sat, Nov 28, 2026Turkey Chase Cary, NCPricing TBADetails Sat, Nov 28, 2026The Derby 50k Ellerbe, NCRegistration closedPricing TBADetails Sat, Nov 28, 20262026 Seattle Ghost Marathon, Half & 50K Seattle, WAFrom $150Details Sat, Nov 28, 2026The Challenge: Walk/Run for Clean Water Bossier City, LAFrom $30Details
