| Altra TrailFest | Lewis Center | 17. september 2026 |
| 2026 Boxers' Trail 5K (Run and Walk) | Philadelphia | 19. september 2026 |
| 2026 Chick-fil-A Trail Run on the Robert Hutson Course | Moultrie | 19. september 2026 |
| Adventure Trail Ultras | Corydon | 19. september 2026 |
| Arrowhead Obstacle Trail Run | Neola | 19. september 2026 |
| Coal Mine Trail Run | Cle Elum | 19. september 2026 |
| Dirty Fox Five Hour Trail Race | Fort Wayne | 19. september 2026 |
| 17th Annual Farmington River Run 5K Trail Race | Farmington | 20. september 2026 |
| Cockaponsett Trails to a Cure | Chester | 20. september 2026 |
| 2026 Alden J. Robbins Memorial Trail Race | Searsmont | 21. september 2026 |
| Backyard BBQ Bash | Coronado | 24. september 2026 |
| 2026 Backyard Ultra | Princeton | 26. september 2026 |
| 2026 Hinson Lake 24 Hour Ultra Classic | Rockingham | 26. september 2026 |
| Beaver Tail Trail 4 Miler | Chesterfield | 26. september 2026 |
| Betsie Valley Trail Run | Thompsonville | 26. september 2026 |
| Big South Fork Trail Race | Oneida | 26. september 2026 |
| Bloomingdale Trail 5K | Chicago | 26. september 2026 |
| Buckeye Trail Blue Blaze Festival - Half Marathon, 10K, 5K Run, Hike and Backpac | Shawnee | 26. september 2026 |
| CAMC Foundation WeCANClimb 5k Trail Run and 2.5 Mile Trail Hike | Charleston | 26. september 2026 |
| Carson Valley Trails Run the Valley 5k, 10k and Family 2k | Carson City | 26. september 2026 |
| Cedar Run's Trails, Tails & Ales: 5k Charity Trail Run & Beer Garden | Medford | 26. september 2026 |
| Conquer the Canyon Trail Race | Claude | 26. september 2026 |
| Crested Butte Ultra | Crested Butte | 26. september 2026 |
| Dingess Tunnel and Trail 5k | Dingess | 26. september 2026 |
| Erik Gray Challenge at Southview Trails | Cedar city | 26. september 2026 |
| 19th Holdenwood Trail Run 2K/5K/10K | Shirley | 27. september 2026 |
| Bad Little Trail Run | Whitneyville | 27. september 2026 |
| Bare Bones Trail Training Race | Richmond | 28. september 2026 |
| 2026 Greenbrier River Trail Bike Trek | Frankford | 1. oktober 2026 |
| 50 Miles Stronger | Lumberton | 1. oktober 2026 |
| Answer the Bell Full - 100 Mile + (100 Miler) - Complete a 1.2 mile, 600 foot lo | Cornwall | 1. oktober 2026 |
| 2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 Relay | Lexington | 1. oktober 2026 |
| 6th Annual Dia de los Muertos 50 Mile Challenge! | livermore | 1. oktober 2026 |
| 2026 Shrewsbury Trails 5K | Shrewsbury | 3. oktober 2026 |
| Alum Creek Trail Races | Lewis Center | 3. oktober 2026 |
| Bear Lake Ultra | Lapeer | 3. oktober 2026 |
| Braille Trail Walk for Independence ⠠⠇⠊⠕⠝⠎⠀⠠⠎⠻⠧⠊⠉⠑⠎ | Charlotte | 3. oktober 2026 |
| Brant's Apple Orchard 5K Trail Race | Ashtabula | 3. oktober 2026 |
| Brook Hill Warrior Trail Run | Bullard | 3. oktober 2026 |
| 2026 Greenbrier River Trail Marathon & Half Marathon | Marlinton | 4. oktober 2026 |
| 2026 Hit the Barlow Trail Run/Walk & Kid's Dash | Gresham | 4. oktober 2026 |
| 4 in the Forest Presented by Peace, Love, Trails | Irvington | 4. oktober 2026 |
| Buried Barrel Hard Cider TRAIL 5K - All American! | Castile | 4. oktober 2026 |
| 3rd Annual Shauna Smith Heroes 5K Trail Run /Walk or 2K Trail Walk | Holland | 10. oktober 2026 |
| Anderson Lake Backyard Ultra | Gwinn | 10. oktober 2026 |
| Angry Cow Trail Run # 3 | Raymond | 10. oktober 2026 |
| Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Bi | Bastrop | 10. oktober 2026 |
| Backyard Run / Walk for the Animals | Neosho | 10. oktober 2026 |
| Backyard Ultra in New Town (Oct 10 8:00AM) | Saint Charles | 10. oktober 2026 |
| Barrio Dogs Tails & Trails 2026 | Houston | 10. oktober 2026 |
| Bit of Hope Ranch 5K Trail Run, 2K Walk, & Half-Pint Run | Gastonia | 10. oktober 2026 |
| Altra x Running Wild Trail Camp | Pelham | 16. oktober 2026 |
| SPACEROCK Trail Race | Agua Dulce | 17. oktober 2026 |
| Alleghany Memorial Hospital Foundation Park to Trail 1 Mile Walk and 5K Run | Sparta | 17. oktober 2026 |
| Blue Sky Trail Marathon & Half Marathon | Fort Collins | 17. oktober 2026 |
| 23rd Annual Mariners Bethel 6.2m & 3.1m Trail Run, 1, 2, or 3 mile walk, Kiddie | Frankford | 18. oktober 2026 |
| Another Dam 50k & 25k | Englewood | 18. oktober 2026 |
| Black Hawk Ridge Trail Run | Mazomanie | 18. oktober 2026 |
| Cactus Rose Endurance Trail Race | Bandera | 23. oktober 2026 |
| 11th Annual Trick or Trot 5K Trail Run/Walk | Sanford | 24. oktober 2026 |
| 1st TimberTown B2B Trailfest | Chelsea | 24. oktober 2026 |
| 3rd Annual Berea Trail Runner 5k | Berea | 24. oktober 2026 |
| Aiken Trailblazer Halloween Marathon, Half Marathon - 10K - 5K - Kids Fun Run at | Aiken | 24. oktober 2026 |
| Andy's Backyard Ultra | Earlysville | 24. oktober 2026 |
| Bloomington Montessori Fall Fun Run 5K Trail Race and Family Fun Run | Bloomington | 24. oktober 2026 |
| All of the Colors Trail Race or Hike | Charleston | 25. oktober 2026 |
| Allerton Park Trail Run | Monticello | 25. oktober 2026 |
| Brush Mountain Breakdown Trail Race | Blacksburg | 31. oktober 2026 |
| Jackson County Ultras | Brownstown | 31. oktober 2026 |
| Autumn Squatch 10K, 20K & 50K | Lewis Center | 1. november 2026 |
| Caesar Creek Trail Race | Waynesville | 1. november 2026 |
| F.I.T. TrailFecta 2026 | Cumberland | 1. november 2026 |
| 2026 Run Of The Mill 5/10-miler walk/run Trail Runraiser | Wilmington | 7. november 2026 |
| Air Line Trail Ghost Run | Hebron | 7. november 2026 |
| Anthony’s Amici 5K Trail Run and 1.4 Mile Walk | Newtown Square | 7. november 2026 |
| Backyard Ultra Tailgate | Greenville | 7. november 2026 |
| Beauvoir's 2nd Annual Cannonball 5k Trail Race and Fun Run | Biloxi | 7. november 2026 |
| Big Tex Backyard Ultra | San Felipe | 7. november 2026 |
| Bristol Woods Trail Run | Bristol | 7. november 2026 |
| Christ Church 5K Trail Run | Wellsboro | 7. november 2026 |
| Boomer’s Bangin’ Soup Trail Run 10K and 5K | Andover | 8. november 2026 |
| Canya Cañon Trail Race & Hike | Colorado Springs | 8. november 2026 |
| Clear Path 5k Trail Run | Chittenango | 8. november 2026 |
| Abominable Trail Race | Lake Geneva | 14. november 2026 |
| Behemoth 50k & 25k | Caldwell | 14. november 2026 |
| Bound for the Hounds 6 Hour Ultra | Canandaigua | 14. november 2026 |
| Cooper's CURE-ageous 5K Trail Race | Stuart | 14. november 2026 |
| Creek Trail Crusher | Paragould | 14. november 2026 |
| Dead Horse Ultra | Moab | 14. november 2026 |
| 2026 GFRC Busa Bushwhack Trail Races | Framingham | 15. november 2026 |
| 5K Trail Run For Veterans Housing | Sayreville | 15. november 2026 |
| Alley Trail Classic | Lancaster | 15. november 2026 |
| BROOKHAVEN TRAIL HALF MARATHON and 5 MILE | Wading River | 15. november 2026 |
| 64th Annual JFK 50 Mile presented by Altra | Boonsboro | 21. november 2026 |
| Anaheim Turkey Trot 5K/10K -Corner of Katella on the SANTA ANA RIVER TRAIL. Acro | Anaheim | 22. november 2026 |
| 18th Annual Gobbler Gallop Trail Run/Walk 1 Mile | Saginaw | 26. november 2026 |
| 2026 Thanksgiving Trail Trot | Sheffield | 26. november 2026 |
| 2026 Turkey Trot Trail 5k & 10k | Gainesville | 26. november 2026 |
| 4th Annual Hutto Turkey "Trail" Trot | Hutto | 26. november 2026 |
| Birds of a Feather Trail Trot | Chapel Hill | 26. november 2026 |
| Colorado River Run 250K • 100 Mile • 50 Mile • 50K • Marathon • Half Marathon & | Cedar Creek | 27. november 2026 |
| 2026 Seattle Ghost Marathon, Half & 50K | Seattle | 28. november 2026 |
| GBP Winter Trail Series | Lamy | 1. december 2026 |
| Trail Kids Beginner Nordic Ski Clinics | Minneapolis | 2. december 2026 |
| Chilly Trail Run 5K | Haverford | 5. december 2026 |
| Crooked Creek Ultra Trail Race | Shepherdsville | 5. december 2026 |
| Last Chance Ultra | Rogersville | 5. december 2026 |
| 2026 Resler Trail Race & Family Walk | El Paso | 6. december 2026 |
| Dirty South Trail Races | Knoxville | 6. december 2026 |
| Fall Backyard Burn Trail Run - Fountainhead | Fairfax Station | 6. december 2026 |
| Daytona 100 Ultra | Jacksonville Beach | 12. december 2026 |
| Dirty Santa Trail Run | Lenoir | 12. december 2026 |
| Emerald Coast Ultra | Pensacola | 12. december 2026 |
| Ignite Trail Marathon | Albion | 12. december 2026 |
| Jingle Trails | San Antonio | 12. december 2026 |
| Bayne's Apple Valley Dashing Through The Snow 5K Trail Run | Saginaw | 13. december 2026 |
| Dragon Trails 50k & 10K | San Antonio | 13. december 2026 |
| Hawaii Kai Ultra Run - Kalama Valley 2026 | Honolulu | 19. december 2026 |
| The Stick Season Trail Run and Series | Glencoe | 19. december 2026 |
| B.A.D SANTA TRAIL 5K | Leonard | 20. december 2026 |
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