| | Region | State | Month | | | Closing | | % Filled | |
|
| MID-W | OH | Apr |
Iron Furnace Trail Run
McArthur, OH
Sat Apr 4, 2026
| 1/2 Marathon | Apr 2 | Register Now! | 99% |
|
|
| MID-W | OH | Apr |
Iron Furnace Trail Run
McArthur, OH
Sat Apr 4, 2026
| 5 Mile | Apr 2 | Register Now! | 99% |
|
|
| CAN | MB | May |
Suffer on Centennial
West Hawk Lake, MB
Sat May 23, 2026
| 100K | | Register Now! | 99% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 100K | | Register Now! | 99% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 50 mile | | Register Now! | 99% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 50K | | Register Now! | 99% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| 30K | | Register Now! | 99% |
|
|
| PAC | CA | Jun |
Malibu Canyon Trail Races
Malibu, CA
Sat Jun 6, 2026
| Half Marathon | | Register Now! | 99% |
|
|
| PAC | OR | Jul |
Mt. Hood 50
Clackamas Lake, OR
Sat Jul 11, 2026
| 50 Miler | | Register Now! | 99% |
|
|
| Intl | Intl | Sep |
Classic Italian Dolomites
Ortisei, Intl
Fri Sep 4, 2026
| 9/4-9/11 | | Register Now! | 99% |
|
|
| Intl | Intl | Sep |
Trail Running Skills with the Mirnavator
Chamonix, Intl
Mon Sep 7, 2026
| Sep 7-14 | | Register Now! | 99% |
|
|
| SOUTH | GA | Oct |
Georgia Sky to Summit
Sky Valley, GA
Sat Oct 24, 2026
| 50K | | Register Now! | 99% |
|
|
| SOUTH | GA | Oct |
Georgia Sky to Summit
Sky Valley, GA
Sun Oct 25, 2026
| 25K | | Register Now! | 99% |
|
|
| PAC | CA | Apr |
Machete Trail Madness 100k
Perris, CA
Sat Apr 25, 2026
| 50K | | Register Now! | 98% |
|
|
| PAC | CA | May |
Quicksilver Endurance Runs
San Jose, CA
Sat May 9, 2026
| 100K | | Register Now! | 98% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 50k | | Register Now! | 98% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| Marathon | | Register Now! | 98% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 30k | | Register Now! | 98% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| Half Marathon | | Register Now! | 98% |
|
|
| PAC | CA | May |
O'Neill Park Trail Races
Trabuco Canyon, CA
Sat May 16, 2026
| 10k | | Register Now! | 98% |
|
|
| PAC | CA | Jun |
The Broken Arrow Skyrace
Lake Tahoe, CA
Sat Jun 20, 2026
| 11K | | Register Now! | 98% |
|
|
| PAC | AK | Jun |
Denali135
Paxson, AK
Sun Jun 21, 2026
| 135 Miler | | Register Now! | 98% |
|
|
| PAC | OR | Jul |
Oregon Cascades 100
Sisters, OR
Sat Jul 25, 2026
| 100 Miler | | Register Now! | 98% |
|
|
| PAC | OR | Jul |
Oregon Cascades 100
Sisters, OR
Sat Jul 25, 2026
| 50 MILE | | Register Now! | 98% |
|
|
| PAC | OR | Jul |
Oregon Cascades 100
Sisters, OR
Sat Jul 25, 2026
| Pacer | | Register Now! | 98% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Race-100m, 50m, 50k & 25k
Max Meadows, VA
Sat Oct 10, 2026
| 100 Miler | | Register Now! | 98% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Race-100m, 50m, 50k & 25k
Max Meadows, VA
Sat Oct 10, 2026
| 50 Miler | | Register Now! | 98% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Race-100m, 50m, 50k & 25k
Max Meadows, VA
Sat Oct 10, 2026
| 50k | | Register Now! | 98% |
|
|
| SOUTH | VA | Oct |
Virginia Trail Race-100m, 50m, 50k & 25k
Max Meadows, VA
Sat Oct 10, 2026
| 25k | | Register Now! | 98% |
|
|
| MID-A | MD | Sep |
The Pemberton 24
Salisbury, MD
Fri Sep 18, 2026
| 4 Person Team | | Register Now! | 97% |
|
|
| PAC | OR | May |
Sisters Country
Sisters, OR
Sun May 3, 2026
| 50K | | Register Now! | 96% |
|
|
| PAC | OR | May |
Sisters Country
Sisters, OR
Sun May 3, 2026
| Half Marathon | | Register Now! | 96% |
|
|
| MID-W | KS | May |
The Sticks
Norton, KS
Thu May 28, 2026
| 72 Hour | | Register Now! | 96% |
|
|
| MID-W | KS | May |
The Sticks
Norton, KS
Fri May 29, 2026
| 48 Hour | | Register Now! | 96% |
|
|
| MID-W | KS | May |
The Sticks
Norton, KS
Sat May 30, 2026
| 24 Hour | | Register Now! | 96% |
|
|
| MID-W | KS | May |
The Sticks
Norton, KS
Sat May 30, 2026
| 12 Hour | | Register Now! | 96% |
|
|
| MID-W | KS | May |
The Sticks
Norton, KS
Sat May 30, 2026
| 6 Hour | | Register Now! | 96% |
|
|
| WEST | CO | Jun |
The Great Divide Ultra
Divide, CO
Sat Jun 6, 2026
| 50K Sat | | Register Now! | 96% |
|
|
| WEST | CO | Jun |
The Great Divide Ultra
Divide, CO
Sat Jun 6, 2026
| 25K Sat | | Register Now! | 96% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sat Jan 30, 2027
| 100 Miler | | Register Now! | 96% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sat Jan 30, 2027
| 50 Miler | | Register Now! | 96% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sat Jan 30, 2027
| 8 Miler | | Register Now! | 96% |
|
|
| SOUTH | FL | Jan |
Forgotten Florida
Christmas, FL
Sun Jan 31, 2027
| 15 Miler | | Register Now! | 96% |
|
|
| MID-A | PA | Apr |
The Long Run - Spring Forward
Wind Gap, PA
Sat Apr 4, 2026
| 5 Miler | Apr 3 | Register Now! | 95% |
|
|
| MID-A | PA | Apr |
The Long Run - Spring Forward
Wind Gap, PA
Sat Apr 4, 2026
| 6hrs | Apr 3 | Register Now! | 95% |
|
|
| MID-A | PA | Apr |
The Long Run - Spring Forward
Wind Gap, PA
Sat Apr 4, 2026
| 3hrs | Apr 3 | Register Now! | 95% |
|
|
| MID-A | PA | Apr |
The Long Run - Spring Forward
Wind Gap, PA
Sat Apr 4, 2026
| Kids Hill Climb | Apr 3 | Register Now! | 95% |
|
|
| NEW-E | NH | Oct |
Ghost Train Trail Races
Brookline, NH
Sat Oct 17, 2026
| Haunted Night 30-Mile | | Register Now! | 95% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 5M Run W/ Burros | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 5M Run | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 10M Runners | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 10 Run W/ Burros | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 17.5M Runners | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 17.5M Run W/ Burros | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 26M Runners | Apr 5 | Register Now! | 94% |
|
|
| PAC | CA | Apr |
Run with the Burros
Inyokern, CA
Sat Apr 11, 2026
| 26M Run W/ Burros | Apr 5 | Register Now! | 94% |
|
|
| MID-W | KS | Apr |
The Eternal Damnation Backyard
Sylvan Grove, KS
Sat Apr 18, 2026
| Last Man Standing | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| 50K | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| 30K | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| 20K | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| 12.5K | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| 5K | | Register Now! | 94% |
|
|
| WEST | CO | Apr |
Royal Gorge Groove
Cañon City, CO
Sat Apr 25, 2026
| Kids Run | | Register Now! | 94% |
|
|
| MID-W | OH | May |
The Big Deal at Great Seal
Chillicothe, OH
Sat May 2, 2026
| 100 mile | | Register Now! | 94% |
|
|
| SOUTH | VA | May |
Freight Train 100k/50k
Farmville, VA
Sat May 9, 2026
| 1/2 Marathon | | Register Now! | 94% |
|
|
| SOUTH | NC | May |
Quest for the Crest 50k/25k
Burnsville, NC
Sat May 16, 2026
| 50K | | Register Now! | 94% |
|
|
| NEW-E | MA | Apr |
Spring Fever 5K | 5M | 8H
Hingham, MA
Sat Apr 11, 2026
| 8HR | | Register Now! | 93% |
|
|
| WEST | AZ | Apr |
The "VUE"
Sedona, AZ
Sat Apr 18, 2026
| 4 Miler | | Register Now! | 93% |
|
|
| MID-A | PA | May |
Canyonman 100
Ansonia, PA
Sat May 2, 2026
| 100 Miler | | Register Now! | 93% |
|
|
| PAC | CA | Jun |
The Broken Arrow Skyrace
Lake Tahoe, CA
Fri Jun 19, 2026
| Triple Crown | | Register Now! | 93% |
|
|
| MID-W | IA | Aug |
ScoCo50
Long Grove, IA
Sat Aug 29, 2026
| 10 Miler | | Register Now! | 93% |
|
|
| WEST | OK | Apr |
Lake McMurtry Run
Stillwater, OK
Sat Apr 11, 2026
| 25K | | Register Now! | 92% |
|
|
| PAC | WA | Sep |
Dark Divide Trail Races
Randle, WA
Fri Sep 4, 2026
| 100 Miler | | Register Now! | 92% |
|
|
| MID-W | WI | Sep |
Goose Bumps 6 & 24 Hour Run
Stoddard, WI
Sat Sep 19, 2026
| 6HR | | Register Now! | 92% |
|
|
| MID-W | IL | Nov |
Tunnel Hill 100
Vienna, IL
Sat Nov 14, 2026
| 100 km | | Register Now! | 92% |
|
|
| PAC | CA | Apr |
Machete Trail Madness 100k
Perris, CA
Sat Apr 25, 2026
| 100k | | Register Now! | 91% |
|
|
| WEST | NM | May |
Jemez Mountain
Los Alamos, NM
Sat May 9, 2026
| 50K | | Register Now! | 91% |
|
|
| WEST | ID | Jun |
River of No Return Endurance Runs
Challis, ID
Sat Jun 20, 2026
| 108K | | Register Now! | 91% |
|
|
| WEST | MT | Jul |
Devil's Backbone
Bozeman, MT
Sat Jul 11, 2026
| 50 Miler | | Register Now! | 91% |
|
|
| WEST | CO | Jul |
Ouray 100 Mile Endurance Run
Ouray, CO
Fri Jul 17, 2026
| 100 Miler | | Register Now! | 91% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sat May 9, 2026
| Eagleton 86 | | Register Now! | 90% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sun May 10, 2026
| 47K | | Register Now! | 90% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sun May 10, 2026
| 25K | | Register Now! | 90% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sun May 10, 2026
| 25K Ruck | | Register Now! | 90% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sun May 10, 2026
| 10K | | Register Now! | 90% |
|
|
| MID-A | PA | May |
Eagleton Trail Challenge
Lock Haven, PA
Sun May 10, 2026
| 10K Ruck | | Register Now! | 90% |
|
|
| WEST | ID | Jun |
River of No Return Endurance Runs
Challis, ID
Sat Jun 20, 2026
| 55K | | Register Now! | 90% |
|
|
| WEST | ID | Jun |
River of No Return Endurance Runs
Challis, ID
Sat Jun 20, 2026
| 32K | | Register Now! | 90% |
|
|
| MID-W | WI | Jun |
Six Days in the Dome
Milwaukee, WI
Tue Jun 23, 2026
| 24-Hour | | Register Now! | 90% |
|
|
| MID-W | IA | Aug |
ScoCo50
Long Grove, IA
Sat Aug 29, 2026
| 50K | | Register Now! | 90% |
|
|
| WEST | AZ | Apr |
The "VUE"
Sedona, AZ
Sat Apr 18, 2026
| 12 Miler | | Register Now! | 89% |
|
|
| WEST | CO | Jun |
The Great Divide Ultra
Divide, CO
Sat Jun 6, 2026
| 100 Miler | | Register Now! | 89% |
|
|
| NEW-E | MA | Apr |
Spring Fever 5K | 5M | 8H
Hingham, MA
Sat Apr 11, 2026
| 5K | | Register Now! | 88% |
|
|
| WEST | UT | Apr |
Thelma and Louise Marathon and Half
Moab, UT
Sat Apr 25, 2026
| 15K | | Register Now! | 88% |
|
|
| WEST | UT | Apr |
Thelma and Louise Marathon and Half
Moab, UT
Sat Apr 25, 2026
| 1/2 Marathon | | Register Now! | 88% |
|
|
| WEST | UT | Apr |
Thelma and Louise Marathon and Half
Moab, UT
Sat Apr 25, 2026
| Marathon | | Register Now! | 88% |
|
|
| WEST | UT | Apr |
Thelma and Louise Marathon and Half
Moab, UT
Sat Apr 25, 2026
| 50K | | Register Now! | 88% |
|
|
| SOUTH | VA | Apr |
Troublesome Hollow 50K
bristol, VA
Sun Apr 26, 2026
| 25K | Apr 1 | Register Now! | 88% |
|
|
| MID-A | MD | May |
The Ripper - Sunrise to Sunset
Pocomoke, MD
Sat May 2, 2026
| 14hrs | | Register Now! | 88% |
|
|
| WEST | CO | Jun |
The Great Divide Ultra
Divide, CO
Sat Jun 6, 2026
| 100K | | Register Now! | 88% |
|
