| | Region | State | Month | | | Closing | | % Filled | |
|
| PAC | CA | Aug |
Dirt Circus - Los Angeles
Los Angeles, CA
Sat Aug 29, 2026
| Community Run | | Register Now! | 99% |
|
|
| Intl | Intl | Sep |
Classic Italian Dolomites
Ortisei, Intl
Fri Sep 4, 2026
| 9/4-9/11 | Aug 23 | Register Now! | 99% |
|
|
| Intl | Intl | Sep |
Trail Running Skills with the Mirnavator
Chamonix, Intl
Mon Sep 7, 2026
| Sep 7-14 | | Register Now! | 99% |
|
|
| MID-A | PA | Sep |
Boulder Beast
Lock Haven, PA
Sat Sep 19, 2026
| 25K | | Register Now! | 99% |
|
|
| MID-A | PA | Sep |
Boulder Beast
Lock Haven, PA
Sat Sep 19, 2026
| 24 Miler | | Register Now! | 99% |
|
|
| PAC | CA | Nov |
Griffith Park Trail Marathon
Los Angeles, CA
Sat Nov 21, 2026
| 50 K | | Register Now! | 99% |
|
|
| PAC | CA | Nov |
Griffith Park Trail Marathon
Los Angeles, CA
Sat Nov 21, 2026
| Marathon | | Register Now! | 99% |
|
|
| PAC | CA | Nov |
Griffith Park Trail Marathon
Los Angeles, CA
Sat Nov 21, 2026
| 30K | | Register Now! | 99% |
|
|
| PAC | CA | Nov |
Griffith Park Trail Marathon
Los Angeles, CA
Sat Nov 21, 2026
| 1/2 Marathon | | Register Now! | 99% |
|
|
| PAC | CA | Nov |
Griffith Park Trail Marathon
Los Angeles, CA
Sat Nov 21, 2026
| 10k | | Register Now! | 99% |
|
|
| MID-W | SD | May |
TutHell 50K
Sioux Falls, SD
Sat May 1, 2027
| TutHell 50K | | Register Now! | 99% |
|
|
| MID-W | WI | Aug |
Mindy Creek Trail Races
St. Croix Falls, WI
Sat Aug 29, 2026
| Marathon | Aug 25 | Register Now! | 98% |
|
|
| MID-W | WI | Aug |
Mindy Creek Trail Races
St. Croix Falls, WI
Sat Aug 29, 2026
| Half-Marathon | Aug 25 | Register Now! | 98% |
|
|
| MID-W | WI | Aug |
Mindy Creek Trail Races
St. Croix Falls, WI
Sat Aug 29, 2026
| 10K | Aug 25 | Register Now! | 98% |
|
|
| MID-W | NE | Sep |
Cowboy 200
Norfolk, NE
Sat Sep 26, 2026
| 100 Miler | | Register Now! | 98% |
|
|
| PAC | CA | Oct |
THE MAMMOTH
Mammoth Lakes, CA
Fri Oct 2, 2026
| the MAMMOTH | | Register Now! | 98% |
|
|
| PAC | CA | Jan |
Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, CA
Sat Jan 30, 2027
| 100K | | Register Now! | 98% |
|
|
| PAC | CA | Jan |
Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, CA
Sat Jan 30, 2027
| 50 Miler | | Register Now! | 98% |
|
|
| PAC | CA | Jan |
Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, CA
Sat Jan 30, 2027
| 50K | | Register Now! | 98% |
|
|
| PAC | CA | Jan |
Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, CA
Sat Jan 30, 2027
| 26.2 | | Register Now! | 98% |
|
|
| PAC | CA | Jan |
Sean O'Brien 100K/50M/50K/26.2/30K
Calabasas, CA
Sat Jan 30, 2027
| 30K | | Register Now! | 98% |
|
|
| SOUTH | GA | Mar |
The Georgia Death Race
Blairsville, GA
Sat Mar 27, 2027
| 74 Miler | | Register Now! | 98% |
|
|
| WEST | CO | Aug |
Telluride Mountain Run
Telluride, CO
Sat Aug 22, 2026
| 24 Miler | Aug 19 | Register Now! | 97% |
|
|
| MID-A | PA | Aug |
Baker Trail UltraChallenge
Vowinckel, PA
Sat Aug 29, 2026
| Womens 50M North | | Register Now! | 97% |
|
|
| SOUTH | GA | Oct |
Georgia Sky to Summit
Sky Valley, GA
Sat Oct 24, 2026
| 50K | | Register Now! | 97% |
|
|
| SOUTH | GA | Oct |
Georgia Sky to Summit
Sky Valley, GA
Sun Oct 25, 2026
| 25K | | Register Now! | 97% |
|
|
| SOUTH | VA | May |
Grayson Highlands 50 Mile / 50k / 25k
Mouth of Wilson, VA
Sat May 1, 2027
| 50 Miler | | Register Now! | 97% |
|
|
| SOUTH | VA | May |
Grayson Highlands 50 Mile / 50k / 25k
Mouth of Wilson, VA
Sat May 1, 2027
| 50K | | Register Now! | 97% |
|
|
| SOUTH | VA | May |
Grayson Highlands 50 Mile / 50k / 25k
Mouth of Wilson, VA
Sun May 2, 2027
| 25K | | Register Now! | 97% |
|
|
| SOUTH | VA | May |
Grayson Highlands 50 Mile / 50k / 25k
Mouth of Wilson, VA
Sun May 2, 2027
| 8 Miler | | Register Now! | 97% |
|
|
| WEST | CO | Aug |
Telluride Mountain Run
Telluride, CO
Sat Aug 22, 2026
| 65 Miler | Aug 19 | Register Now! | 96% |
|
|
| PAC | WA | Sep |
Dark Divide Trail Races
Randle, WA
Fri Sep 4, 2026
| 100 Miler | Aug 20 | Register Now! | 96% |
|
|
| MID-W | MI | Sep |
Porkies Wilderness Races
Ironwood, MI
Sat Sep 19, 2026
| 50 mile | | Register Now! | 96% |
|
|
| MID-W | MI | Sep |
Porkies Wilderness Races
Ironwood, MI
Sat Sep 19, 2026
| Heavy Half Marathon | | Register Now! | 96% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Running Festival
Max Meadows, VA
Sat Oct 10, 2026
| 100 Miler | | Register Now! | 96% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Running Festival
Max Meadows, VA
Sat Oct 10, 2026
| 50 Miler | | Register Now! | 96% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Running Festival
Max Meadows, VA
Sat Oct 10, 2026
| 50k | | Register Now! | 96% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Running Festival
Max Meadows, VA
Sat Oct 10, 2026
| 25k | | Register Now! | 96% |
|
|
| SOUTH | FL | Nov |
Wild Florida Trail Run
White Springs, FL
Sat Nov 7, 2026
| 50K | | Register Now! | 96% |
|
|
| SOUTH | FL | Nov |
Wild Florida Trail Run
White Springs, FL
Sat Nov 7, 2026
| 25K | | Register Now! | 96% |
|
|
| SOUTH | FL | Nov |
Wild Florida Trail Run
White Springs, FL
Sat Nov 7, 2026
| 10K | | Register Now! | 96% |
|
|
| SOUTH | TN | Nov |
Natchez Trace Trail Run
Franklin, TN
Sat Nov 7, 2026
| 50 Miler | | Register Now! | 96% |
|
|
| SOUTH | TN | Nov |
Natchez Trace Trail Run
Franklin, TN
Sat Nov 7, 2026
| Marathon | | Register Now! | 96% |
|
|
| SOUTH | TN | Nov |
Natchez Trace Trail Run
Franklin, TN
Sat Nov 7, 2026
| Rucking 13 Miles | | Register Now! | 96% |
|
|
| SOUTH | TN | Nov |
Natchez Trace Trail Run
Franklin, TN
Sat Nov 7, 2026
| Half Marathon | | Register Now! | 96% |
|
|
| SOUTH | GA | Dec |
Cloudland Canyon 50 Mile/50K/25K/5 MIle
Rising Fawn, GA
Sat Dec 5, 2026
| 50 Miler | | Register Now! | 96% |
|
|
| SOUTH | GA | Dec |
Cloudland Canyon 50 Mile/50K/25K/5 MIle
Rising Fawn, GA
Sat Dec 5, 2026
| 50K | | Register Now! | 96% |
|
|
| SOUTH | GA | Dec |
Cloudland Canyon 50 Mile/50K/25K/5 MIle
Rising Fawn, GA
Sat Dec 5, 2026
| 25K | | Register Now! | 96% |
|
|
| SOUTH | GA | Dec |
Cloudland Canyon 50 Mile/50K/25K/5 MIle
Rising Fawn, GA
Sat Dec 5, 2026
| 5 Miler | | Register Now! | 96% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 12 Hour Solo | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 12 Hour Relay | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 6 Hour Relay | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 6 Hour Solo | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 3 Hour Relay | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| 3 Hour Solo | Aug 19 | Register Now! | 95% |
|
|
| MID-W | WI | Aug |
Run The Hawk Trail Run
Middleton, WI
Sat Aug 22, 2026
| Fun Run | Aug 19 | Register Now! | 95% |
|
|
| MID-A | PA | Sep |
Pain in Moraine
Portersville, PA
Fri Sep 11, 2026
| 24Hr 10K Loops | Aug 23 | Register Now! | 95% |
|
|
| PAC | CA | Sep |
Mammoth Trailfest
Mammoth Lakes, CA
Fri Sep 25, 2026
| Dragon Ascent | | Register Now! | 95% |
|
|
| WEST | CO | Aug |
Telluride Mountain Run
Telluride, CO
Sun Aug 23, 2026
| 14 Miler | Aug 19 | Register Now! | 94% |
|
|
| MID-A | MD | Sep |
The Pemberton 24
Salisbury, MD
Fri Sep 18, 2026
| 24Hr Solo | | Register Now! | 94% |
|
|
| NEW-E | VT | Oct |
Devil's Den Ultra
Bradford, VT
Sat Oct 10, 2026
| 30-Hour | | Register Now! | 94% |
|
|
| SOUTH | SC | Sep |
Mountaineer Rumble 12 Hour
Clover, SC
Sat Sep 12, 2026
| 12hrs | | Register Now! | 93% |
|
|
| CAN | MB | Sep |
Falcon Trail Fest
Falcon Lake, MB
Sat Sep 26, 2026
| Full Flight | | Register Now! | 93% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sat Jan 30, 2027
| 100 Miler | | Register Now! | 93% |
|
|
| PAC | OR | Aug |
Post Canyon Half Marathon
Hood River, OR
Sat Aug 22, 2026
| 1/2 Marathon | Aug 19 | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Fri Oct 2, 2026
| 48 Hour | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Sat Oct 3, 2026
| 24hrs | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Sat Oct 3, 2026
| 12hrs | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Sat Oct 3, 2026
| 6hrs | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Sat Oct 3, 2026
| 3hrs | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Back On The Ranch Trail Run
Los Olivos, CA
Sat Oct 3, 2026
| Non-Runner | | Register Now! | 92% |
|
|
| PAC | CA | Oct |
Cahuilla Rez Ultra
Anza, CA
Sat Oct 17, 2026
| 100 Miler | | Register Now! | 92% |
|
|
| SOUTH | GA | Sep |
The Georgia Jewel
Dalton, GA
Sat Sep 19, 2026
| 50 Miler | | Register Now! | 91% |
|
|
| MID-W | IL | Oct |
The Hennepin Hundred
Sterling, IL
Sat Oct 3, 2026
| 100 Miler | | Register Now! | 91% |
|
|
| PAC | OR | Oct |
Rogue Gorge
Union Creek, OR
Sat Oct 17, 2026
| 50K | | Register Now! | 91% |
|
|
| WEST | UT | Oct |
Pony Express Trail Run
West of Faust, UT
Fri Oct 16, 2026
| 100 Miler | | Register Now! | 90% |
|
|
| WEST | UT | Oct |
Pony Express Trail Run
West of Faust, UT
Fri Oct 16, 2026
| 50 Miler | | Register Now! | 90% |
|
|
| MID-W | KS | Aug |
Hell Creek Half & 50k
Sylvan Grove, KS
Sat Aug 29, 2026
| 1/2 Marathon | | Register Now! | 89% |
|
|
| MID-W | KS | Aug |
Hell Creek Half & 50k
Sylvan Grove, KS
Sat Aug 29, 2026
| 50k | | Register Now! | 89% |
|
|
| PAC | WA | Aug |
Backcountry Rise
Toutle, WA
Sat Aug 29, 2026
| 50K | Aug 23 | Register Now! | 89% |
|
|
| PAC | WA | Aug |
Backcountry Rise
Toutle, WA
Sat Aug 29, 2026
| Half Marathon | Aug 23 | Register Now! | 89% |
|
|
| PAC | WA | Aug |
Backcountry Rise
Toutle, WA
Sat Aug 29, 2026
| 20 Miler | Aug 23 | Register Now! | 89% |
|
|
| SOUTH | AL | Sep |
Rebecca Mountain 50 Mile
Sylacauga, AL
Sat Sep 12, 2026
| 50 Miler | | Register Now! | 89% |
|
|
| MID-W | IL | Nov |
Tunnel Hill 100
Vienna, IL
Sat Nov 14, 2026
| 100 km | | Register Now! | 89% |
|
|
| PAC | WA | Sep |
Dark Divide Trail Races
Randle, WA
Sat Sep 5, 2026
| 100K | Aug 20 | Register Now! | 88% |
|
|
| SOUTH | FL | Sep |
Wild Boar Night Run
Dade City, FL
Sat Sep 12, 2026
| Half-Marathon Ruck | | Register Now! | 88% |
|
|
| SOUTH | AL | Nov |
Pinhoti
Sylacauga, AL
Sat Nov 7, 2026
| Pinhoti 100 | | Register Now! | 88% |
|
|
| MID-A | MD | Nov |
The Tuckahoe 25k
Queen Anne, MD
Sat Nov 21, 2026
| 25K | | Register Now! | 88% |
|
|
| SOUTH | NC | Dec |
HAROC (aka Hanging Rock Challenge)
Danbury, NC
Sat Dec 5, 2026
| 50k | | Register Now! | 88% |
|
|
| MID-W | KS | Sep |
Laps For Love Backyard Ultra
Wichita, KS
Sat Sep 5, 2026
| Backyard Ultra | | Register Now! | 86% |
|
|
| SOUTH | GA | Sep |
The Georgia Jewel
Dalton, GA
Sat Sep 19, 2026
| 35 Miler | | Register Now! | 86% |
|
|
| SOUTH | FL | Sep |
Miami 100
Miami, FL
Sat Sep 26, 2026
| 100 Miler | | Register Now! | 86% |
|
|
| CAN | MB | Oct |
Beaudry Fall Classic
Winnipeg, MB
Fri Oct 2, 2026
| 48hrs | | Register Now! | 86% |
|
|
| PAC | OR | Oct |
Perpetua Coast
Yachats, OR
Sat Oct 3, 2026
| 20 Miler | | Register Now! | 86% |
|
|
| CAN | MB | Oct |
Beaudry Fall Classic
Winnipeg, MB
Sat Oct 3, 2026
| 24hrs | | Register Now! | 86% |
|
|
| CAN | MB | Oct |
Beaudry Fall Classic
Winnipeg, MB
Sat Oct 3, 2026
| 12hrs | | Register Now! | 86% |
|
|
| CAN | MB | Oct |
Beaudry Fall Classic
Winnipeg, MB
Sat Oct 3, 2026
| 6hrs | | Register Now! | 86% |
|
|
| PAC | CA | Oct |
No Name Trail Races
Agoura, CA
Sat Oct 24, 2026
| Trail Half Marathon | | Register Now! | 86% |
|
|
| SOUTH | GA | Nov |
Chattabrewchee Invitational
Columbus, GA
Sat Nov 21, 2026
| 100 Mile Race | | Register Now! | 86% |
|
|
| PAC | CA | Oct |
Machete Muertos 200
Perris, CA
Wed Oct 28, 2026
| 200 Miler | | Register Now! | 85% |
|
