Hundred·Atlas
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Hundred·Atlas

CalendarMapRacesSubmit a Race
By stateBy monthWS qualifiersHardrock qualifiersFirst hundred
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Race data compiled from public sources; dates change — always confirm with the race organizer. Terrain: Mapzen/AWS Open Data, USGS 3DEP.

Aug
← The calendar

By month

100 mile races in August

20 hundred-mile ultras on the August calendar — mapped, dated, and rated. A ~ marks a projected date not yet announced.

20 races4 qualifiersSee them on the map ↗
AUG1'26

Badger

Belleville, WI

▲ 2,000 ftOut & back
AUG1'26

Hood Hundred

Mt Hood Meadows, OR

▲ 17,000 ftOut & back
AUG7'26

High Five

Lake City, CO

▲ 38,000 ftLoop
AUG7'26

Wyoming Range

HR

Big Piney, WY

▲ 22,000 ftPoint to pointLottery
AUG8'26

Eastern States

WS

Waterville, PA

▲ 21,000 ftLoop
AUG8'26

Ute

La Sal, UT

▲ 20,000 ftLoop
AUG13'26

Buckeye Ultra 210

Ashtabula, OH · 210 mi

▲ 10,000 ftOut & back
AUG14'26

Bigfoot 200

WSHR

Cougar, WA · 200 mi

▲ 43,000 ftPoint to point
AUG14'26

Buckeye Ultra

Wellsville, OH

▲ 5,000 ftPoint to point
AUG14'26

Jigger Johnson

Waterville Valley, NH

▲ 32,000 ftOut & back
AUG14'26

San Juan Softie

Durango, CO

▲ 18,500 ftLoop
AUG15'26

Baby Dragon

Blairsville, GA

▲ 27,500 ftOut & back
AUG15'26

Bad Dawg

Waynesville, MO

Out & back
AUG15'26

Beast of Burden Summer

Lockport, NY

▲ 500 ftOut & back
AUG21'26

Habenero Hundred

Cat Spring, TX

▲ 4,500 ftOut & back
AUG22'26

Leadville

WS

Leadville, CO

▲ 18,000 ftOut & backLottery
AUG22'26

Shawnee Hills

Ozark, IL

▲ 11,000 ftLoop
AUG28'26

Run De Vous

San Martin, CA

▲ 4,000 ftLoop
AUG29'26

Midwest States

Westboro, WI

▲ 6,700 ftOut & back
AUG29'26

Ocean State Ultra

West Greenwich, RI

▲ 4,000 ftOut & back
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