Hundred·Atlas
CalendarMapRacesSubmit a Race

Hundred·Atlas

CalendarMapRacesSubmit a Race
By stateBy monthWS qualifiersHardrock qualifiersFirst hundred
AboutTermsPrivacyContact

Race data compiled from public sources; dates change — always confirm with the race organizer. Terrain: Mapzen/AWS Open Data, USGS 3DEP.

Oct
← The calendar

By month

100 mile races in October

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

40 races11 qualifiersSee them on the map ↗
OCT3~'26

Allison Woods Halloween Hobble

Statesville, NC

▲ 9,000 ftLoop
OCT3'26

Angeles Crest

WSHR

Altadena, CA

▲ 18,500 ftPoint to pointLottery
OCT3'26

Arkansas Traveller

WS

Perryville, AR

▲ 11,500 ftOut & back
OCT3~'26

Crown Stub

Buxton, OR

▲ 7,000 ftOut & back
OCT3'26

El Diablo

Doyline, LA

▲ 5,000 ftLoop
OCT3'26

Hennepin

WS

Sterling, IL

▲ 2,000 ftPoint to point
OCT3'26

Saddles

Prescott, AZ

▲ 13,000 ftLoop
OCT7'26

Cloudsplitter

Elkhorn City, KY

▲ 18,500 ftOut & back
OCT9'26

Heartland

Cassoday, KS

▲ 5,000 ftOut & back
OCT9'26

Heartland 125

Cassoday, KS · 125 mi

▲ 5,000 ftOut & back
OCT9'26

Indiana

WS

Albion, IN

▲ 4,500 ftLoop
OCT9'26

Kodiak

WS

Big Bear Lake, CA

▲ 17,500 ftLoop
OCT9'26

Moab 240

WS

Moab, UT · 240 mi

▲ 28,000 ftLoop
OCT9'26

Tesla Hertz

Rocky Point, NY

▲ 4,000 ftLoop
OCT9'26

Yeti

WS

Abingdon, VA

▲ 2,500 ftOut & backLottery
OCT10'26

Buffalo Run

Syracuse, UT

▲ 7,000 ftLoop
OCT10'26

Canal Corridor

WS

Akron, OH

▲ 1,500 ftOut & back
OCT10'26

Farmdale

East Peoria, IL

▲ 6,500 ftLoop
OCT10'26

Midstate Massive Ultra

New Ipswich, NH

▲ 13,000 ftPoint to point
OCT10'26

Oil Creek

Titusville, PA

▲ 15,500 ftLoop
OCT10'26

Wolverine State

Petoskey, MI

▲ 5,000 ftPoint to point
OCT16'26

Hot TWOT - The Wild Oak Trail

West Augusta, VA

▲ 30,000 ftLoop
OCT16'26

Mines of Spain

Dubuque, IA

▲ 14,000 ftLoop
OCT16'26

Pony Express

Faust, UT

▲ 3,500 ftOut & back
OCT17'26

FSR 100

Ocoee, TN

▲ 14,000 ftLoop
OCT17'26

Lake Sonoma

Geyserville, CA · 101 mi

OCT17'26

Pumpkin Holler

Tahlequah, OK

▲ 6,000 ftLoop
OCT17'26

Uwharrie

Troy, NC

▲ 21,500 ftLoop
OCT23'26

Cactus Rose

Bandera, TX

▲ 12,000 ftLoop
OCT23'26

Hare Mountain

Hagarville, AR

▲ 20,000 ftPoint to point
OCT23'26

No Business

WS

Jamestown, TN

▲ 12,000 ftLoop
OCT23'26

San Diego 200

Escondido, CA · 200 mi

▲ 19,000 ftLoop
OCT24'26

Lake Murray Endrance Run

Ardmore, OK

▲ 7,500 ftLoop
OCT24'26

Rim To River

WS

Oak Hill, WV

▲ 11,000 ftOut & back
OCT24'26

Tussey Mountainback

Boalsburg, PA

▲ 10,750 ftLoop
OCT28'26

Kansas Fall Extravaganza

Ottawa, KS

▲ 1,500 ftOut & back
OCT28'26

Machete Trail Madness

Perris, CA

▲ 14,000 ftLoop
OCT31'26

Hell Creek

Sylvan Grove, KS

▲ 10,000 ftLoop
OCT31'26

Javelina

WS

Fountain Hills, AZ

▲ 5,500 ftLoop
OCT31'26

Ozark

Steelville, MO

▲ 13,000 ftPoint to point
← SeptemberAll racesNovember →