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.

Jul
← The calendar

By month

100 mile races in July

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

23 races8 qualifiersSee them on the map ↗
JUL27'26

Badwater 135

Death Valley, CA · 135 mi

▲ 15,000 ftPoint to pointLottery
JUL31'26

Lean Horse

Custer, SD

▲ 5,000 ftOut & back
JUL10'26

Hardrock

WSHR

Silverton, CO

▲ 33,000 ftLoopLottery
JUL10'26

Silverheels

Como, CO

▲ 19,300 ftPoint to point
JUL11'26

Devil's Gulch

Wenatchee, WA

▲ 24,000 ftLoop
JUL11'26

Honey Badger

Kingman, KS

▲ 2,000 ftLoop
JUL11'26

Vero Beach Octopus Ultra

Vero Beach, FL

▲ 1,000 ftOut & back
JUL11'26

Viaduct Trail

Lanesboro, PA

▲ 4,000 ftOut & back
JUL17'26

Cascade Crest

WSHR

Easton, WA

▲ 22,500 ftLoopLottery
JUL17'26

Cry Me A River

Chillicothe, IL

▲ 20,000 ftOut & back
JUL17'26

High Lonesome

WSHR

Nathrop, CO

▲ 22,000 ftLoopLottery
JUL17'26

Ouray

Ouray, CO

▲ 43,000 ftOut & back
JUL17'26

Vermont

WS

West Windsor, VT

▲ 15,000 ftLoop
JUL18'26

Tahoe Rim Trail

WS

Carson City, NV

▲ 18,000 ftLoop
JUL24'26

Crazy Mountain

WSHR

Wilsall, MT

▲ 21,000 ftPoint to point
JUL24'26

Maah Daah Hey 106

Medora, ND · 106 mi

▲ 12,500 ftOut & back
JUL24'26

Resurrection Pass

Hope, AK

▲ 9,500 ftOut & back
JUL25'26

Burning River

WS

Cuyahoga Falls, OH

▲ 7,500 ftPoint to point
JUL25'26

Creede

Creede, CO

▲ 19,000 ftOut & back
JUL25'26

Hawaii Kai

Honolulu, HI

▲ 6,400 ftLoop
JUL25'26

Mighty Mosquito

Mendon, NY

▲ 9,000 ftLoop
JUL25'26

Oregon Cascades

WS

Bend, OR

▲ 10,500 ftPoint to point
JUL25'26

Standhope

Ketchum, ID

▲ 22,000 ftLoop
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