| | Region | State | Month | | | Closing | | % Filled | |
|
| MID-W | OH | Mar |
Ohio's Backyard Ultra
Lucasville, OH
Sat Mar 21, 2026
| Last Person Standing | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Leona Divide
Lake Hughes, CA
Sat Apr 18, 2026
| 100 Miler | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Leona Divide
Lake Hughes, CA
Sat Apr 18, 2026
| 100K | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Leona Divide
Lake Hughes, CA
Sat Apr 18, 2026
| 50 Miler | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Leona Divide
Lake Hughes, CA
Sat Apr 18, 2026
| 50K | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Leona Divide
Lake Hughes, CA
Sat Apr 18, 2026
| 30K | | Register Now! | 99% |
|
|
| Intl | Intl | Sep |
The Grand Bernese Oberland Traverse
Schwarzwaldalp, Intl
Thu Sep 3, 2026
| Sep 3-14 | | Register Now! | 99% |
|
|
| MID-A | PA | Aug |
Baker Trail UltraChallenge
Vowinckel, PA
Sat Aug 29, 2026
| Mens 50M North | | Register Now! | 98% |
|
|
| MID-W | MO | Jan |
The Shippey Endurance Runs and Relays
High Ridge, MO
Sat Jan 17, 2026
| 100 Miler | | Register Now! | 97% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sat Jan 31, 2026
| 100 Miler | | Register Now! | 97% |
|
|
| MID-W | WI | Apr |
Chippewa Trail Races
New Auburn, WI
Sat Apr 25, 2026
| 10K | | Register Now! | 97% |
|
|
| SOUTH | FL | Jan |
Just Survive 125
Hobe Sound, FL
Fri Jan 2, 2026
| 200K | Dec 15 | Register Now! | 96% |
|
|
| SOUTH | FL | Mar |
Florida Death Race
Lee, FL
Sat Mar 7, 2026
| 74 Miler | | Register Now! | 96% |
|
|
| SOUTH | FL | Mar |
Florida Death Race
Lee, FL
Sat Mar 7, 2026
| 37 Miler | | Register Now! | 96% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 100K | | Register Now! | 96% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 50 mile | | Register Now! | 96% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 50K | | Register Now! | 96% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 30K | | Register Now! | 96% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| Half Marathon | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Fri Sep 11, 2026
| Full Pint | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Fri Sep 11, 2026
| Half Pint | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Fri Sep 11, 2026
| 5K | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Fri Sep 11, 2026
| 3K | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Sat Sep 12, 2026
| 60K | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Sat Sep 12, 2026
| 30K | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Sun Sep 13, 2026
| 16K | | Register Now! | 96% |
|
|
| CAN | BC | Sep |
The Golden Ultra
Golden, BC
Sun Sep 13, 2026
| 11K | | Register Now! | 96% |
|
|
| WEST | TX | Dec |
Nature Nate's Naughty Hog
Valley View, TX
Sat Dec 20, 2025
| 100K | | Register Now! | 95% |
|
|
| SOUTH | VA | May |
Grayson Highlands 50 Mile / 50k / 25k
Mouth of Wilson, VA
Sun May 3, 2026
| 8 Miler | | Register Now! | 95% |
|
|
| SOUTH | AL | Dec |
Recover from the Holidays 50K
Huntsville, AL
Wed Dec 31, 2025
| 50K | | Register Now! | 94% |
|
|
| MID-W | IL | Jan |
Frozen Gnome
Crystal Lake, IL
Sat Jan 10, 2026
| 50k Relay - 5 Per | | Register Now! | 94% |
|
|
| MID-W | IL | Jan |
Frozen Gnome
Crystal Lake, IL
Sat Jan 10, 2026
| 50k Relay - 2 Per | | Register Now! | 94% |
|
|
| MID-W | IL | Jan |
Frozen Gnome
Crystal Lake, IL
Sat Jan 10, 2026
| 50K | | Register Now! | 94% |
|
|
| MID-W | IL | Jan |
Frozen Gnome
Crystal Lake, IL
Sat Jan 10, 2026
| 10K | | Register Now! | 94% |
|
|
| MID-W | OH | Jan |
Night Owl Trail Marathon, Half, and 10K
Waynesville, OH
Sat Jan 10, 2026
| 10K | | Register Now! | 94% |
|
|
| CAN | AB | May |
The Oldman Backyard Ultra
Lethbridge, AB
Sat May 2, 2026
| Backyard Ultra | | Register Now! | 94% |
|
|
| SOUTH | GA | Jan |
Huff N' Puff Trail Races
Jackson, GA
Sat Jan 17, 2026
| Huff n Puff Marathon | | Register Now! | 93% |
|
|
| MID-A | NJ | Mar |
The MT. TAMMANY 10
Delaware Water Gap, NJ
Sat Mar 21, 2026
| 40 Miler | | Register Now! | 93% |
|
|
| SOUTH | NC | May |
Quest for the Crest 50k/25k/11k
Burnsville, NC
Sat May 16, 2026
| 50K | | Register Now! | 93% |
|
|
| SOUTH | TN | Dec |
Trail of Fears
Jackson, TN
Sat Dec 27, 2025
| Variable Distance | | Register Now! | 92% |
|
|
| MID-W | MO | Jan |
The Shippey Endurance Runs and Relays
High Ridge, MO
Sat Jan 17, 2026
| 100K | | Register Now! | 92% |
|
|
| WEST | MT | Jun |
Copper Kings 100
Butte, MT
Fri Jun 26, 2026
| 100 Miler | | Register Now! | 92% |
|
|
| WEST | TX | Dec |
Nature Nate's Naughty Hog
Valley View, TX
Sat Dec 20, 2025
| 50K | | Register Now! | 91% |
|
|
| SOUTH | VA | Apr |
Troublesome Hollow 50K
bristol, VA
Sun Apr 26, 2026
| 25K | | Register Now! | 91% |
|
|
| CAN | AB | Jun |
Grassroots Backyard Ultra
Okotoks, AB
Sat Jun 27, 2026
| Backyard15 | | Register Now! | 90% |
|
|
| SOUTH | GA | Dec |
Holiday Hootie Hoo
Pine Mountain, GA
Sun Dec 14, 2025
| 10K | Dec 11 | Register Now! | 89% |
|
|
| SOUTH | GA | Dec |
Holiday Hootie Hoo
Pine Mountain, GA
Sun Dec 14, 2025
| 1/2 Marathon | Dec 11 | Register Now! | 89% |
|
|
| PAC | OR | Apr |
Gorge Waterfalls
Cascade Locks, OR
Sat Apr 11, 2026
| 100K | | Register Now! | 89% |
|
|
| SOUTH | FL | Dec |
RunFluent Christmas
Lutz, FL
Sat Dec 13, 2025
| 7 hour | Dec 12 | Register Now! | 88% |
|
|
| SOUTH | FL | Dec |
RunFluent Christmas
Lutz, FL
Sat Dec 13, 2025
| 4 miler | Dec 12 | Register Now! | 88% |
|
|
| SOUTH | FL | Dec |
RunFluent Christmas
Lutz, FL
Sat Dec 13, 2025
| 7 hour 2 person relay | Dec 12 | Register Now! | 88% |
|
|
| WEST | TX | Dec |
Nature Nate's Naughty Hog
Valley View, TX
Sat Dec 20, 2025
| 25K RUCK | | Register Now! | 88% |
|
|
| SOUTH | AL | Dec |
Winter Wild Thangs Trail Series
Huntsville, AL
Sat Dec 20, 2025
| Long Series | Dec 16 | Register Now! | 88% |
|
|
| SOUTH | AL | Dec |
Winter Wild Thangs Trail Series
Huntsville, AL
Sat Dec 20, 2025
| Short Series | Dec 16 | Register Now! | 88% |
|
|
| SOUTH | NC | Dec |
Pilot Mountain Goat
Pinnacle, NC
Sat Dec 20, 2025
| 7 Miler | Dec 17 | Register Now! | 87% |
|
|
| SOUTH | NC | Dec |
Pilot Mountain Goat
Pinnacle, NC
Sat Dec 20, 2025
| 3 Miler | Dec 17 | Register Now! | 87% |
|
|
| MID-A | NJ | Dec |
Last Supper 100k
Roxbury, NJ, NJ
Sat Dec 27, 2025
| 100K Relay | | Register Now! | 86% |
|
|
| MID-A | NJ | Dec |
Last Supper 100k
Roxbury, NJ, NJ
Sat Dec 27, 2025
| 100k Solo | | Register Now! | 86% |
|
|
| MID-A | WV | Feb |
Cabin Fever 50K
New River Gorge National Park, WV
Sat Feb 21, 2026
| 50 K | | Register Now! | 85% |
|
|
| SOUTH | VA | Jun |
Dam Yeti 50
Abingdon, VA
Sun Jun 7, 2026
| PEPSI CHALLENGE | | Register Now! | 85% |
|
|
| MID-A | PA | Mar |
The Bullshit Backyard Ultra
Lenoxville, PA
Sat Mar 21, 2026
| Last Person Standing | | Register Now! | 84% |
|
|
| SOUTH | FL | Jan |
Long Haul 100
Lakeland, FL
Sat Jan 17, 2026
| 100 Furlongs | | Register Now! | 82% |
|
|
| SOUTH | SC | Feb |
Dark Horse 24/48hr Ultra Run
Aiken, SC
Fri Feb 27, 2026
| 48 hour solo | | Register Now! | 82% |
|
|
| SOUTH | SC | Feb |
Dark Horse 24/48hr Ultra Run
Aiken, SC
Fri Feb 27, 2026
| 48 hour relay - 2per. | | Register Now! | 82% |
|
|
| SOUTH | SC | Feb |
Dark Horse 24/48hr Ultra Run
Aiken, SC
Fri Feb 27, 2026
| 48 hour relay - 3per. | | Register Now! | 82% |
|
|
| SOUTH | SC | Feb |
Dark Horse 24/48hr Ultra Run
Aiken, SC
Fri Feb 27, 2026
| 48 hour relay - 4per. | | Register Now! | 82% |
|
|
| SOUTH | SC | Feb |
Dark Horse 24/48hr Ultra Run
Aiken, SC
Sat Feb 28, 2026
| 24 hour solo | | Register Now! | 82% |
|
|
| Intl | Intl | Jan |
St. Croix Scenic
St. Croix, Intl
Sun Jan 18, 2026
| 50K | | Register Now! | 81% |
|
|
| Intl | Intl | Jan |
St. Croix Scenic
St. Croix, Intl
Sun Jan 18, 2026
| 50K Relay 2-3 person | | Register Now! | 81% |
|
|
| SOUTH | VA | May |
Freight Train 100k/50k
Farmville, VA
Sat May 9, 2026
| 1/2 Marathon | | Register Now! | 81% |
|
|
| SOUTH | VA | May |
Freight Train 100k/50k
Farmville, VA
Sat May 9, 2026
| 50K | | Register Now! | 81% |
|
|
| SOUTH | FL | Dec |
Round the Bay Relay and Ultra
Fort Walton Beach, FL
Sat Dec 27, 2025
| 36.8 Miler | Dec 14 | Register Now! | 80% |
|
|
| SOUTH | MS | Jan |
The Great Scorpion Trail Run
Meridian, MS
Sat Jan 3, 2026
| 50K | | Register Now! | 80% |
|
|
| SOUTH | MS | Jan |
The Great Scorpion Trail Run
Meridian, MS
Sat Jan 3, 2026
| 25K | | Register Now! | 80% |
|
|
| SOUTH | MS | Jan |
The Great Scorpion Trail Run
Meridian, MS
Sat Jan 3, 2026
| 12.5K | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 100K | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 60K | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 40K | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 20K | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 20K RUCK | | Register Now! | 80% |
|
|
| WEST | TX | Jan |
Cowboy YETI
Bastrop, TX
Sat Jan 17, 2026
| 7K | | Register Now! | 80% |
|
|
| SOUTH | MS | Jan |
Live Oak Ultra
Biloxi, MS
Sat Jan 31, 2026
| 50K | | Register Now! | 80% |
|
|
| SOUTH | MS | Jan |
Live Oak Ultra
Biloxi, MS
Sat Jan 31, 2026
| Half-Marathon | | Register Now! | 80% |
|
|
| CAN | BC | Apr |
BC Backyard Ultra
Sicamous, BC
Fri Apr 24, 2026
| LAST RUNNER STANDING | | Register Now! | 80% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 50k | | Register Now! | 80% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| Marathon | | Register Now! | 80% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 30k | | Register Now! | 80% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| Half Marathon | | Register Now! | 80% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 10k | | Register Now! | 80% |
|
|
| PAC | CA | Jun |
The Broken Arrow Skyrace
Lake Tahoe, CA
Sat Jun 20, 2026
| 46K | | Register Now! | 80% |
|
|
| WEST | CO | Sep |
Run Rabbit Run
Steamboat Springs, CO
Fri Sep 18, 2026
| 100 Mile Tortoises | | Register Now! | 80% |
|
|
| MID-W | MO | Feb |
Flat Branch Ultra
Columbia, MO
Sat Feb 21, 2026
| 50K | | Register Now! | 79% |
|
|
| SOUTH | GA | Mar |
The Bootlegger 100 Mile Trail Race
Flovilla, GA
Sat Mar 28, 2026
| 100 Mile | | Register Now! | 79% |
|
|
| WEST | TX | Dec |
Saint Nick's Run Fest
Tyler, TX
Sat Dec 13, 2025
| 7K RUCK | Dec 12 | Register Now! | 78% |
|
|
| WEST | TX | Dec |
Saint Nick's Run Fest
Tyler, TX
Sat Dec 13, 2025
| 7K | Dec 12 | Register Now! | 78% |
|
|
| WEST | TX | Dec |
Saint Nick's Run Fest
Tyler, TX
Sat Dec 13, 2025
| 13K | Dec 12 | Register Now! | 78% |
|
|
| WEST | TX | Dec |
Saint Nick's Run Fest
Tyler, TX
Sat Dec 13, 2025
| 20K | Dec 12 | Register Now! | 78% |
|
|
| CAN | AB | Dec |
Racing Dusk
Calgary, AB
Sat Dec 20, 2025
| 20 Miler | Dec 13 | Register Now! | 78% |
|
|
| CAN | AB | Dec |
Racing Dusk
Calgary, AB
Sat Dec 20, 2025
| 20 Miler - 2 person relay | Dec 13 | Register Now! | 78% |
|
|
| CAN | AB | Dec |
Racing Dusk
Calgary, AB
Sat Dec 20, 2025
| 20 Miler - 3 person relay | Dec 13 | Register Now! | 78% |
|
