A Complete List of Ultra Marathons Around the Country

When you're ready to venture beyond 26.2 miles, you're ready for the ultra marathon. Typically at least 50K or more, these races are primarily run on trails, which adds to the level of difficulty (but also to the fun). If you talk to any ultra runner, they will tell you that it's a completely different kind of animal from the marathon. Find your ultra marathon here and get ready to log some heavy mileage.

126 Races match your filters

Big Butts

Jackson, Mississippi

July 31st, 2021

Running: 100K Relay (Ultra), 100K Trail Run (Ultra), 50K Trail Run (Ultra)

Bucks for Bernie

North Conway, New Hampshire

July 31st, 2021

Running: 12 Hour Trail Run (Ultra)

Elkhorn Crest 50

Sumpter, Oregon

July 31st, 2021

Running: Marathon Trail Run, 53 Miles (Ultra)

Endless Summer 6-Hour Run

Annapolis, Maryland

July 31st, 2021

Running: 6 Hour Relay (Ultra), 6 Hours (Ultra)

Miner's Lady 8 Hour Endurance Race

Harpers Ferry, West Virginia

July 31st, 2021

Running: 8 Hour Trail Run (Ultra)

Power of Four Trail Run

Aspen, Colorado

July 31st, 2021

Running: 10K Trail Run, 25K Trail Run, 50K Trail Run (Ultra)

Tiger Peak Challenge

Issaquah, Washington

July 31st, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 50K Trail Run (Ultra)

Tushars Mountain Runs

Beaver, Utah

July 31st, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 100K Trail Run (Ultra), 70K Trail Run (Ultra)

Wy'east Howl Trail Run

Mt. Hood, Oregon

July 31st, 2021

Running: Half Marathon Trail Run, 100K Trail Run (Ultra), 50K Trail Run (Ultra)

Badger Trail Races - Stewart Tunnel 50M/50K, Muskie Marathon & Mini

Belleville, Wisconsin

August 1st, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 50 Mile Trail Run (Ultra), 50K Trail Run (Ultra)

Fred Running Relays

Belmont, Michigan

August 6th, 2021

Running: 200 Mile Relay (Ultra), 100 Mile Relay (Ultra), 50 Mile Relay (Ultra)

Wild West Relay

Fort Collins, Colorado

August 6th, 2021

Running: 200 Mile Relay (Ultra)

WRATH Texas Endurance Runs

Ft. Worth, Texas

August 6th, 2021

Running: 24 Hours (Ultra), 48 Hours (Ultra)

3 H Trail Half Marathon

King George, Virginia

Virtual
August 7th, 2021

Running: Half Marathon, 50K (Ultra)

Bluegrass Reaper Challenge

Berea, Kentucky

August 7th, 2021

Running: Half Marathon, Marathon, 10K, 2.6 Miles, 50K (Ultra)

Fort4Fitness Summer Sunset Relay

Fort Wayne, Indiana

August 7th, 2021

Running: Relay, 3 Hours, 6 Hours (Ultra)

Frickin Hot 50K

Cassadaga, New York

August 7th, 2021

Running: 50K (Ultra)

HURL Elkhorn Endurance Runs

Montana City, Montana

August 7th, 2021

Running: 23K Trail Run, 50 Mile Trail Run (Ultra), 50K Trail Run (Ultra)

Kanawha Trace 50k/25k/10K Trail Run

Ona, West Virginia

August 7th, 2021

Running: 50K Trail Run (Ultra), 25K Trail Run, 10K Trail Run

Kat'cina Mosa 100K Mountain Run

Springville, Utah

August 7th, 2021

Running: 100K Trail Run (Ultra)

Kirkwood's Thunder Mountain Trail Challenge

Kirkwood, California

August 7th, 2021

Running: 50K Trail Run (Ultra), 5K Trail Run, Marathon Trail Run, 18.8 Miles, Half Marathon Trail Run, 10K Trail Run, 5K Trail Run

Loopy Looper 12 Hour

Pennsauken, New Jersey

August 7th, 2021

Running: 12 Hours (Ultra)

Redwood Trail Run (Summer)

Oakland, California

August 7th, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 30K Trail Run, 5 Mile Trail Run, 50K Trail Run (Ultra)

Rodeo Valley Trail Run

Sausalito, California

August 7th, 2021

Running: Half Marathon, 10K Trail Run, 30K, 50K (Ultra)

RunPA Trail Jamboree

Newmanstown, Pennsylvania

August 7th, 2021

Running: Kids Run/Fun Run, 10K, 12 Hours (Ultra), 24 Hours (Ultra), 5K Trail Run, 6 Hours (Ultra)

Sheep Mountain Ultras

Fairplay, Colorado

August 7th, 2021

Running: 50 Mile Trail Run (Ultra), 50K (Ultra)

Watershed Endurance 6H 3H Runs

Edwardsville, Illinois

August 7th, 2021

Running: 3 Hours, 6 Hours (Ultra)

Nocterra Quitter's Run

Powell, Ohio

August 8th, 2021

Running: Half Marathon, Marathon, 10K, 5K, 6 Hours (Ultra)

Angry Owl Ultramarathons

Salem, Oregon

August 14th, 2021

Running: 12 Hour Trail Run (Ultra), 24 Hour Trail Run (Ultra), 6 Hour Trail Run (Ultra)

Ashley 50 Ultra and Relay

Vernal, Utah

August 14th, 2021

Running: 50 Mile Relay (Ultra), 50 Miles (Ultra)

Habanero Hundred

Cat Spring, Texas

August 14th, 2021

Running: 100 Mile Relay (Ultra), 100 Mile Trail Run (Ultra), 100K Relay (Ultra), 100K Trail Run (Ultra), 50K Trail Run (Ultra)

Lean Horse 100 - Saturday Events

Custer, South Dakota

August 14th, 2021

Running: 30K Trail Run, 50 Mile Trail Run (Ultra), 50K Trail Run (Ultra)

Nifty Fifty

Juneau, Alaska

August 14th, 2021

Running: 10K Trail Run, 25K Trail Run, 50K Trail Run (Ultra)

Nuclear Meltdown Elimination Race

Byron, Illinois

August 14th, 2021

Running: 12 Hour Trail Run (Ultra), 4 Hour Trail Run, 5K Trail Run, 8 Hour Trail Run (Ultra)

Wildcat Ridge Romp Trail Races

Rockaway, New Jersey

August 14th, 2021

Running: 10 Mile Trail Run, 100K Trail Run (Ultra), 50 Mile Trail Run (Ultra), 50K Trail Run (Ultra)

Marlette 50K

Lake Tahoe, Nevada

August 15th, 2021

Running: 10 Mile Trail Run, 50K Trail Run (Ultra)

Headlands Hundred

Rodeo Beach, California

August 19th, 2021

Running: Marathon Trail Run, 100 Mile Trail Run (Ultra), 50 Mile Trail Run (Ultra), 75 Mile Trail Run (Ultra)

Coopers Rock 50K

Morgantown, West Virginia

August 21st, 2021

Running: Half Marathon Trail Run, 50K (Ultra)

Fairgrounds 8H Ultra

Glendale, Kentucky

August 21st, 2021

Running: 8 Hour Relay (Ultra), 8 Hours (Ultra)

Golden State

Monterey, California

August 21st, 2021

Running: Half Marathon Trail Run, 10K Trail Run, 35K Trail Run, 50K Trail Run (Ultra)