01 OCTSCORE
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monthly distance guide
October ultramarathon guide with source-backed race dates, mapped-route counts, elevation profiles, cost signals and route evidence where available.
Dated race pages
New Jersey
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Poland
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Arkansas
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GPS trace: 1,462 pts / www.runarkansas.com
Idaho
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Illinois
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Croatia
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GPS trace: 1,251 pts / dalmacijaultratrail.com
Portugal
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GPS trace: 1,207 pts / stopandgo.net
East Of England
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GPS trace: 513 pts / www.endurancelife.com
Northern Ireland
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GPS trace: 1,341 pts / apexrunning.co
France
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GPS trace: 1,277 pts / reimschampagnerun.fr
Georgia
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GPS trace: 1,346 pts / www.warriorraces.com
Illinois
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South West
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GPS trace: 973 pts / www.relishrunningraces.com
Nevada
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GPS trace: 1,356 pts / www.laketahoemarathon.com
Greece
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GPS trace: 1,255 pts / new.rout.gr
Iowa
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South East
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GPS trace: 1,264 pts / centurionrunning.com
Indiana
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GPS trace: 1,469 pts / www.dinoseries.com
Minnesota
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GPS trace: 1,428 pts / www.wildduluthraces.com
Delaware
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New Hampshire
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France
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Connecticut
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GPS trace: 1,403 pts / www.bimblersound.com
Nebraska
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Texas
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Yorkshire
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GPS trace: 1,068 pts / www.endurancelife.com
South East
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GPS trace: 823 pts / www.visiteastbourne.com
Maryland
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GPS trace: 1,166 pts / ultrasignup.com
Oklahoma
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Wisconsin
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Louisiana
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East Of England
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GPS trace: 542 pts / www.challenge-running.com
Arizona
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GPS trace: 1,339 pts / www.aravaiparunning.com
Missouri
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This guide includes 34 ultramarathon race pages whose latest source-backed race date falls in October. Smaller date-distance groups are not published as standalone pages until they clear the coverage threshold.
19 october ultramarathons currently have stored route geometry. Route traces appear only when stored geometry exists.
Featured races are ordered by race date first, then by available evidence such as route geometry, elevation profiles, route metrics, cost data and race-character tags.