August Trail Runs in the West
Liberty, UT
Skyline Mountain Marathon
Aug 12, 2023
Evergreen, CO
Staunton State Park 20K
Aug 3, 2024
Logan, UT
Three Dams 10 Miler
Aug 10, 2024
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
Headlands 50M Endurance Run
Aug 10, 2024
Rodeo Beach Trail Run
Aug 10, 2024
Redmond, WA
Summer Blast at Redmond Watershed
Aug 24, 2024
Mount Hood, OR
Hood Hundred
Aug 3, 2024
Fairbanks, AK
Trail Series - #6 - Granite Tors Trial Run
Aug 19, 2023
Drew's Angel Creek 50
Aug 3, 2024
Musk Ox Run
Aug 17, 2024
Provo, UT
Not Your Grandma's Marathon
Aug 24, 2024
Montana City, MT
HURL Elkhorn Endurance Runs
Aug 3, 2024
Anchorage, AK
Christopher Walden Hilltop 5K
Aug 12, 2023
RUN WILD! A Youth Mountain Run
Aug 13, 2023
Bellingham, WA
Hamster Endurance Runs
Aug 3, 2024
Tiburon, CA
Angel Island Half Marathon
Aug 10, 2024
Alta, UT
Cirque Series
Aug 17, 2024
Bend, OR
Bend Trail Series
May 16, 2024
Jun 20, 2024
Jul 18, 2024
Aug 8, 2024
Haulin' Aspen
Aug 10, 2024
Oregon Cascades 100
Aug 24, 2024
Kaneohe, HI
Maunawili Out and Back 22 Miler
Aug 12, 2023
Carmel Valley, CA
Carmel Valley Fiesta Trail Run
Aug 6, 2023
Crested Butte, CO
Grand Traverse Mountain Run
Aug 31, 2024
Colorado Springs, CO
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
San Jose, CA
Almaden Hills Trail Run
Aug 17, 2024
Coos Bay, OR
Sunset Bay Trail Runs
Aug 24, 2024
Lake Tahoe, NV
Marlette 50K
Aug 11, 2024
Park City, UT
Park City Trail Series
Jun 1, 2024
Jul 13, 2024
Aug 3, 2024
Triple Trail Challenge
Jun 8, 2024 - Round Valley Rambler Half/7K
Jul 20, 2024 - Jupiter Peak 25K
Aug 17, 2024 - Mid Mountain 50K
Seattle, WA
Interlaken Ice Cream Dash
Aug 6, 2024
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Stinson Beach, CA
Walt Stack DSE Double Dipsea
Aug 24, 2024
Steamboat Springs, CO
Emerald Mountain Epic
Aug 4, 2024
Continental Divide Trail Run
Aug 24, 2024
Springville, UT
Kat'cina Mosa 100K Mountain Run
Aug 3, 2024
Buena Vista, CO
TransRockies Run
Aug 12, 2024
Westminster, CO
Westminster Trail Race
Aug 24, 2024
Winter Park, CO
Byers Peak Stampede
Aug 24, 2024
Los Angeles, CA
Run LA 10 Miler
Aug 4, 2024
Salem, OR
Angry Owl Ultramarathons
Aug 10, 2024
Muir Beach, CA
Tamalpa Headlands 50K
Aug 17, 2024
Bozeman, MT
Ed Anacker Bridger Ridge Run
Aug 10, 2024
Vail, CO
Berry Picker Trail Run
Aug 3, 2024
Boise, ID
Boise Front Trail Run
Aug 3, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 3, 2024
Lafayette, CA
Bear Creek
Aug 10, 2024
Bountiful, UT
Elephant Rock Trail Run
Aug 10, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
Oakridge, OR
Waldo 100K
Aug 3, 2024
Oregon 200
Aug 23, 2024
Hardesty Hardcore Trail Run
Aug 31, 2024
Frisco, CO
Run the Rockies Trail Race
Aug 10, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Aug 25, 2024
West Yellowstone, MT
Yellowstone Trail Race
Aug 3, 2024
Aug 4, 2023
Billings, MT
Montana Warrior Run
Aug 12, 2023
Run For Her
Aug 17, 2024
Rolling Hills Estates, CA
The Hills Are Alive 10K/5K
Aug 3, 2024
Juneau, AK
Nifty Fifty
Aug 10, 2024
Seeley Lake, MT
Bob Marshall Trail Race
Aug 17, 2024
Aug 18, 2024
Leadville, CO
Leadville Trail 100 Mile Run
Aug 17, 2024
Oakland, CA
Redwood (Summer) Trail Run
Aug 10, 2024
Draper, UT
Lupine Meadows 5K
Aug 12, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 3, 2024
Lone Tree, CO
Bluffs 8K Trail Run
Aug 27, 2023
Pagosa Springs, CO
Turkey Springs Showdown Trail Races
Aug 10, 2024
Volcano, HI
Time for Wine
Aug 18, 2024
Hood River, OR
Post Canyon Trail Half Marathon
Aug 17, 2024
Bellevue, WA
Cougar Mountain Trail Run Series
Aug 10, 2024
Herriman, UT
Butterfield Canyon Half Marathon
Aug 17, 2024
Felton, CA
Santa Cruz Trail Run
Aug 24, 2024
Laguna Beach, CA
XTERRA Laguna Beach
Aug 27, 2023
North Bonneville, WA
Three Corner Rock PCT 50K
Aug 31, 2024
Creede, CO
Creede Mountain Run
Aug 31, 2024
Shaver Lake, CA
SAR Wild Run
Aug 11, 2024
Island Park, ID
Harriman Park 25K/50K
Aug 17, 2024
Rickreall, OR
Run For The Oaks
Aug 3, 2024
Fruit Heights, UT
Crazy Bob's Bair Gutsman
Aug 3, 2024
Rye, CO
Escape 5K Trail Run
Aug 19, 2023
Riverdale, UT
Path to Opioid Prevention
Aug 24, 2024
Mount Saint Helens, WA
Volcanic 50
Aug 3, 2024
Aug 4, 2024
Bigfoot 200
Aug 9, 2024
Soda Springs, CA
Point Mariah Trail Marathon
Aug 3, 2024
Greenough, MT
Canine Classic at Paws Up
Aug 25, 2024
Alpine, CA
Windfall Full Moon Trail Run
Aug 26, 2023
New Castle, CO
New Castle Dirty Dozen Trail Running Race
Aug 2, 2024
Pyro's Push It Up Trail Run
Aug 10, 2024
La Sal, UT
UTE 100
Aug 24, 2024
Orderville, UT
Zion 100-Mile Challenge
Aug 28, 2024
Newhalem, WA
North Cascade Traverse
Aug 7, 2024
Aug 8, 2024
Green Valley Lake, CA
Green Valley Lake 5K/10K
Aug 3, 2024
Cooke City, MT
Prospector's 50K
Aug 10, 2024
Aug 11, 2024
Browning, MT
Divide Trail Run
Aug 4, 2023
White Sulphur Springs, MT
Stone Temple Trail Run Trifecta
Jul 1, 2023
Jul 22, 2023
Aug 12, 2023
Cheyenne Mountain State Park, CO
The Cheyenne Mountain Run
Aug 17, 2024
Hays, MT
Swift Bear Trail Run
Aug 10, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. New Castle Dirty Dozen Trail Running Race
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Aug 2, 2024Friday
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10K trail run
More Information
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New Castle, CO
Garfield County, CO
2. Angeles Crest 100 Mile Endurance Run
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Aug 3, 2024Saturday
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100M trail run
More Information
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Wrightwood, CA
San Bernardino County, CA
3. Berry Picker Trail Run
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Aug 3, 2024Saturday
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5K trail run
More Information
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Vail, CO
Eagle County, CO
4. Boise Front Trail Run
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Aug 3, 2024Saturday
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10M, 5M trail run
More Information
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Boise, ID
Ada County, ID
5. Crazy Bob's Bair Gutsman
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Aug 3, 2024Saturday
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11M trail run
More Information
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Fruit Heights, UT
Davis County, UT
6. Drew's Angel Creek 50
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Aug 3, 2024Saturday
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50M, 50K trail run
More Information
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Fairbanks, AK
Fairbanks North Star County, AK
7. Green Valley Lake 5K/10K
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Aug 3, 2024Saturday
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10K, 5K run | 10K, 5K trail run
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Green Valley Lake, CA
San Bernardino County, CA
8. Hamster Endurance Runs
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Aug 3, 2024Saturday
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32H, 24H, 12H, 6H trail run
More Information
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Bellingham, WA
Whatcom County, WA
9. Hood Hundred
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Aug 3, 2024Saturday
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100M trail run
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Mount Hood, OR
Hood River County, OR
10. HURL Elkhorn Endurance Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Montana City, MT
Jefferson County, MT
11. Kat'cina Mosa 100K Mountain Run
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Aug 3, 2024Saturday
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100K trail run
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Springville, UT
Utah County, UT
12. Kirkwood's Ultras
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CancelledAug 3, 2024Saturday
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50K, 26.2M, 30K, 25K, 13.1M, 8M, 10K, 5K trail run
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Kirkwood, CA
El Dorado County, CA
13. Nielson Two Mile Challenge
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Aug 3, 2024Saturday
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2M trail run
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Colorado Springs, CO
El Paso County, CO
14. Park City Trail Series
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Aug 3, 2024Saturday
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13.1M trail run
Virtual OptionMore Information
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Park City, UT
Summit County, UT
15. Point Mariah Trail Marathon
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Aug 3, 2024Saturday
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26.2M trail run | 26.2M relay
More Information
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Soda Springs, CA
Nevada County, CA
16. Rodeo Valley Trail Run
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Aug 3, 2024Saturday
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50K, 30K, 13.1M, 8K trail run
More Information
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Sausalito, CA
Marin County, CA
17. Run For The Oaks
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Aug 3, 2024Saturday
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10K, 5K trail run
More Information
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Rickreall, OR
Polk County, OR
18. Sheep Mountain Trail Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Fairplay, CO
Park County, CO
19. Staunton State Park 20K
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Aug 3, 2024Saturday
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20K trail run
More Information
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Evergreen, CO
Jefferson County, CO
20. The Hills Are Alive 10K/5K
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Aug 3, 2024Saturday
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10K, 5K trail run
Virtual OptionMore Information
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Rolling Hills Estates, CA
Los Angeles County, CA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.