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.

Jan
← The calendar

By month

100 mile races in January

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

11 races1 qualifiersSee them on the map ↗
JAN1'27

Just Survive 125

Hobe Sound, FL · 125 mi

▲ 1,200 ftOut & back
JAN1'27

Tuscobia

Rice Lake, WI · 160 mi

▲ 4,000 ftOut & back
JAN8'27

Frozen:H3

Bethera, SC

▲ 600 ftLoop
JAN16'27

Coldwater Rumble

Goodyear, AZ

▲ 10,000 ftLoop
JAN16'27

HURT

Honolulu, HI

▲ 29,000 ftLoopLottery
JAN16'27

Long Haul

WS

Lakeland, FL

▲ 100 ftLoop
JAN16'27

Shippey

High Ridge, MO

▲ 13,000 ftLoop
JAN25'27

Arrowhead 135

International Falls, MN · 135 mi

▲ 5,000 ftPoint to point
JAN30~'27

Beast of Burden Winter

Lockport, NY

▲ 500 ftOut & back
JAN30'27

Bootleg Boogie

Boulder City, NV

▲ 6,000 ftLoop
JAN30'27

Forgotten Florida

Christmas, FL

▲ 3,000 ftPoint to point
← DecemberAll racesFebruary →