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.

Apr
← The calendar

By month

100 mile races in April

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

16 races4 qualifiersSee them on the map ↗
APR3'27

Lake Martin

Alexander City, AL

▲ 15,000 ftLoop
APR3'27

Umstead

WS

Raleigh, NC

▲ 9,000 ftLoop
APR4'27

White Mountain

Fairbanks, AK

▲ 9,000 ftLoopLottery
APR8~'27

Potawatomi

Pekin, IL

▲ 12,000 ftLoop
APR9'27

Ozark Foothills

Wildwood, MO

▲ 14,000 ftLoop
APR9'27

Zumbro

Theilman, MN

▲ 15,000 ftLoop
APR10~'27

Blue Heron

Mooresville, AL

▲ 900 ftLoop
APR10'27

Cheif Ladiga

Jacksonville, AL

▲ 2,500 ftOut & back
APR10~'27

Rim Runner

Sewanee, TN

▲ 10,000 ftLoop
APR10'27

Zion

WS

Apple Valley, UT

▲ 11,500 ftLoop
APR13~'27

Double Top

Chatsworth, GA

▲ 21,000 ftLoop
APR17~'27

Flatrock

Independence, KS · 63 mi

▲ 11,000 ftOut & back
APR23'27

Canyons

WS

Auburn, CA

▲ 18,000 ftPoint to point
APR24'27

C&O Canal

Knoxville, MD

▲ 1,500 ftOut & back
APR30'27

Salt Flats

Wendover, UT

▲ 5,500 ftLoop
APR30'27

San Diego

WS

Lake Cuyamaca, CA

▲ 13,000 ftLoopLottery
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