Ultra Marathons 2024 - 2025

Carolina Reaper Challenge (50k - 26.2 - 13.1 - 10k)

Anderson, South Carolina

12 Jul 25

$32.80 - $48.70

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San Lorenzo River Trail Run

Santa Cruz, California

12 Jul 25

Free - $85.80

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High Lonesome 100

Nathrop, Colorado

18 Jul 25 - 19 Jul 25

$473.50

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Storm the Farm

Winona, Minnesota

19 Jul 25

$38.10 - $80.50

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CandleLight 12/24 Hour - Overnight Ultra and Relays

Rush, New York

19 Jul 25 - 20 Jul 25

Free - $117.60

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TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event

Middleville, Michigan

20 Jul 25

$32.80 - $181.20

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Never Summer 100km & 60km

Walden, Colorado

25 Jul 25 - 27 Jul 25

$186.50 - $389.50

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Washington Island Ultra

Washington Island, Wisconsin

25 Jul 25 - 26 Jul 25

$289.75 - $316.00

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MAAH DAAH HEY TRAIL RUN(S)

Medora, North Dakota

25 Jul 25 - 26 Jul 25

Free - $272.93

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The EQUALIZER 50K and 100K Gravel Race

Marthasville, Missouri

26 Jul 25

$38.10 - $74.14

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Newbsanity Extreme Ravine Trail Race

Binghamton, New York

26 Jul 25

$27.50 - $69.90

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Burning River

Cuyahoga Falls, Ohio

26 Jul 25 - 27 Jul 25

Free - $277.60

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StRides Against Suicide & Overdose

Valparaiso, Indiana

02 Aug 25

$22.20 - $54.00

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Sheep Mountain Trail Runs

Fairplay, Colorado

02 Aug 25

$96.40 - $181.20

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Hatcher Pass 50 Mile, Marathon and Relay

Palmer, Alaska

02 Aug 25

Free

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TransRockies Run Charity Bibs

Buena Vista, Colorado

04 Aug 25 - 09 Aug 25

Free

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Prospector's 50k | 30k

Cooke City, Montana

09 Aug 25

$85.80 - $107.00

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Eastern States 100

Waterville, Pennsylvania

09 Aug 25 - 10 Aug 25

Free - $313.70

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Larrabee Lakes

Bellingham, Washington

09 Aug 25

Free - $99.93

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Snow Peaks 50 Mile Trail Run

Provo, Utah

09 Aug 25

$181.20

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Michigan Titanium

Grand Rapids, Michigan

10 Aug 25 - 11 Aug 25

Free - $557.95

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Redwood (Summer) Trail Run

Oakland, California

16 Aug 25

Free - $85.80

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2025 CKF Leadville Trail 100 Run

Aspen, Colorado

16 Aug 25 - 17 Aug 25

Free

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Anchorage RunFest

Anchorage, Alaska

16 Aug 25 - 17 Aug 25

Free - $166.46

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Hoodoo 500

St. George, Utah

22 Aug 25 - 25 Aug 25

$383.25 - $1,464.75

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NoCo Urban Ultra & Relay

Bellvue, Colorado

22 Aug 25 - 23 Aug 25

$96.40 - $186.50

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Habanero Hundred

Cat Spring, Texas

23 Aug 25 - 24 Aug 25

$11.60 - $300.25

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Continental Divide Trail Run

Steamboat Springs, Colorado

23 Aug 25

$27.50 - $138.80

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Tejas Dirt Festival

Rock Springs, Texas

29 Aug 25

$13.05 - $118.55

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Dusk to Dawn Relay + Ultra 2025

Wendover, Utah

29 Aug 25 - 30 Aug 25

$80.50 - $112.30

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The Ultimate SUCK

Cuba, Illinois

29 Aug 25 - 31 Aug 25

$158.94 - $430.45

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Labor Day Triple

Winter Park, Florida

30 Aug 25 - 01 Sep 25

$32.80 - $218.30

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Last Man Standing Ultramarathon

New Gloucester, Maine

30 Aug 25

$138.60 - $149.20

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Old Forge Marathon Weekend

Old Forge, New York

04 Sep 25 - 07 Sep 25

$38.10 - $255.40

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Blue Ridge Relay

Asheville, North Carolina

05 Sep 25 - 06 Sep 25

$757.00 - $1,498.60

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Buffalo Bicycle Classic

Boulder, Colorado

07 Sep 25

$40.00 - $125.00

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Wisconsin ANVIL Ultra Triathlon

Dousman, Wisconsin

08 Sep 25 - 13 Sep 25

$788.50 - $2,861.00

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DIRTY FOX FIVE HOUR TRAIL RELAY

Fort Wayne, Indiana

13 Sep 25

Free - $80.50

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Rock 'N The Knob Trail Challenge PAs Highest Trail Race

Claysburg, Pennsylvania

13 Sep 25

$51.60 - $70.15

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Priest Lake Marathon

Priest Lake, Idaho

13 Sep 25

$69.40 - $80.00

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