01 OCTSCORE
NJ Trail Series One Day
New Jersey
Event weekend
- Character
- Countryside
- Parkland
- Community
- Festival
monthly distance guide
October Ultramarathons
October ultramarathon guide with source-backed race dates, mapped-route counts, elevation profiles, cost signals and route evidence where available.
October Ultramarathons coverage
34Dated race pages19Mapped routes17Elevation profiles56%Map coverage
Dated race pages
Featured october ultramarathons
02 OCTSCORE
Silesia Marathon (Katowice)
Poland
Event weekend
- Character
- City
- Parkland
- Historic
- Road
03 OCTMAP
Arkansas Traveller 100
Arkansas
Event weekend
- Map
- Character
GPS trace: 1,462 pts / www.runarkansas.com
- Hilly
- Mountain
- Countryside
- Forest
03 OCTSCORE
Legends Never Die Half Marathon & 55K Ultra Marathon, Ketchum
Idaho
Event weekend
- Character
- Mountainous
- Mountain
- Forest
- Countryside
03 OCTSCORE
The Hennepin Hundred
Illinois
Event weekend
- Character
- Pancake Flat
- Riverside
- Countryside
- Historic
09 OCTMAP
Dalmacija Ultra Trail
Croatia
Event weekend
- Map
- Profile
- Character
GPS trace: 1,251 pts / dalmacijaultratrail.com
- Mountainous
- Coastal
- Riverside
- City
- Ascent
- 4,619 m
- m/km
- 44.3 m/km
4,619 mAscent
09 OCTMAP
Douro Ultra Trail (Peso da Régua)
Portugal
Event weekend
- Map
- Profile
- Character
GPS trace: 1,207 pts / stopandgo.net
- Mountainous
- Countryside
- Waterfront
- Historic
- Ascent
- 5,188 m
- m/km
- 51.9 m/km
5,188 mAscent
10 OCTMAP
Endurancelife Suffolk (Dunwich)
East Of England
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 513 pts / www.endurancelife.com
- Coastal
- Parkland
- Historic
- Forest
- Ascent
- 247 m
- m/km
- 4.7 m/km
0.3%GAP£71Entry
10 OCTMAP
Reims Champagne Run
France
Event weekend
- Map
- Profile
- Character
GPS trace: 1,277 pts / reimschampagnerun.fr
- Hilly
- Vineyard
- City
- Historic
- Ascent
- 1,343 m
- m/km
- 15.4 m/km
2.8%GAP
10 OCTMAP
SkyRun the Mournes
Northern Ireland
Event weekend
- Map
- Profile
- Character
GPS trace: 1,341 pts / apexrunning.co
- Mountainous
- Mountain
- Coastal
- Countryside
- Ascent
- 3,730 m
- m/km
- 74.6 m/km
3,730 mAscent
10 OCTMAP
Blue Ridge Ultra
Georgia
Event weekend
- Map
- Character
GPS trace: 1,346 pts / www.warriorraces.com
- Mountainous
- Mountain
- Forest
- Countryside
10 OCTSCORE
Des Plaines River Trail Races
Illinois
Event weekend
- Character
- Parkland
- Forest
- Lakeside
- Riverside
11 OCTMAP
Bath & Bristol Railway Races
South West
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 973 pts / www.relishrunningraces.com
- Flat
- Riverside
- Countryside
- Historic
- Ascent
- 136 m
- m/km
- 2.7 m/km
0.1%GAP£65Entry
16 OCTMAP
Lake Tahoe Marathon
Nevada
Event weekend
- Map
- Profile
- Character
GPS trace: 1,356 pts / www.laketahoemarathon.com
- Coastal
- Lakeside
- Mountain
- Forest
- Ascent
- 1,912 m
- m/km
- 16.5 m/km
3.1%GAP
16 OCTMAP
ROUT Classic 100 Miles (Rodopi Ultra Trail)
Greece
Event weekend
- Map
- Profile
- Character
GPS trace: 1,255 pts / new.rout.gr
- Mountainous
- Countryside
- Mountain
- Parkland
- Ascent
- 6,952 m
- m/km
- 38.2 m/km
6,952 mAscent
16 OCTSCORE
Mines of Spain 100
Iowa
Event weekend
- Character
- Hilly
- Countryside
- Forest
- Riverside
17 OCTMAP
Autumn 100
South East
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 1,264 pts / centurionrunning.com
- Gently Rolling
- Countryside
- Riverside
- Forest
- Ascent
- 1,380 m
- m/km
- 8.6 m/km
1.0%GAP£220Entry
17 OCTMAP
Tecumseh Trail Marathon (Tecumseh Trail Challenge), Nashville Indiana
Indiana
Event weekend
- Map
- Profile
- Character
GPS trace: 1,469 pts / www.dinoseries.com
- Countryside
- Forest
- Lakeside
- Riverside
- Ascent
- 1,196 m
- m/km
- 23.9 m/km
5.8%GAP
17 OCTMAP
Wild Duluth Races
Minnesota
Event weekend
- Map
- Profile
- Character
GPS trace: 1,428 pts / www.wildduluthraces.com
- Mountainous
- Forest
- Lakeside
- Riverside
- Ascent
- 2,801 m
- m/km
- 28.0 m/km
8.0%GAP
17 OCTSCORE
Delaware Trail Fest
Delaware
Event weekend
- Character
- Flat
- Parkland
- Forest
- Waterfront
17 OCTSCORE
Ghost Train Trail Races
New Hampshire
Event weekend
- Character
- Flat
- Countryside
- Historic
- Forest
17 OCTSCORE
Salomon EcoTrail Paris
France
Event weekend
- Character
- Rolling
- Forest
- City
- Riverside
18 OCTMAP
Bimbler's Bluff 50K
Connecticut
Event weekend
- Map
- Profile
- Character
GPS trace: 1,403 pts / www.bimblersound.com
- Hilly
- Forest
- Countryside
- Parkland
- Ascent
- 1,092 m
- m/km
- 21.8 m/km
4.7%GAP
18 OCTSCORE
G.O.A.T.z Trail Runs (Omaha)
Nebraska
Event weekend
- Character
- Parkland
- Lakeside
- Forest
- Trail
23 OCTSCORE
Cactus Rose Endurance Trail Race
Texas
Event weekend
- Character
- Hilly
- Countryside
- Parkland
- Waterfront
24 OCTMAP
Endurancelife Coastal Trail Series - North York Moors (Ravenscar)
Yorkshire
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 1,068 pts / www.endurancelife.com
- Coastal
- Historic
- Parkland
- Countryside
- Ascent
- 1,310 m
- m/km
- 23.7 m/km
5.7%GAP£71Entry
24 OCTMAP
Beachy Head Marathon
South East
Event weekend
- Map
- Profile
- Character
GPS trace: 823 pts / www.visiteastbourne.com
- Coastal
- Parkland
- Countryside
- Forest
- Ascent
- 1,308 m
- m/km
- 24.9 m/km
5.7%GAP
24 OCTMAP
Patapsco Valley 50K
Maryland
Event weekend
- Map
- Profile
- Character
GPS trace: 1,166 pts / ultrasignup.com
- Hilly
- Forest
- Riverside
- Lakeside
- Ascent
- 1,387 m
- m/km
- 27.7 m/km
6.6%GAP
24 OCTSCORE
Lake Murray Endurance Run
Oklahoma
Event weekend
- Character
- Rolling
- Countryside
- Forest
- Lakeside
24 OCTSCORE
The Fall 50 (Door County)
Wisconsin
Event weekend
- Character
- Rolling
- Coastal
- Desert
- Mountain
24 OCTSCORE
The New Orleans UltraMarathon
Louisiana
Event weekend
- Character
- Pancake Flat
- City
- Lakeside
- Historic
25 OCTMAP
Stort30
East Of England
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 542 pts / www.challenge-running.com
- Pancake Flat
- Riverside
- Countryside
- Towpath
- Ascent
- 99 m
- m/km
- 2.0 m/km
0.1%GAP£55Entry
31 OCTMAP
Javelina Jundred
Arizona
Event weekend
- Map
- Profile
- Character
GPS trace: 1,339 pts / www.aravaiparunning.com
- Rolling
- Desert
- Countryside
- Mountain
- Ascent
- 3,626 m
- m/km
- 22.5 m/km
3,626 mAscent
31 OCTSCORE
Ozark Trail 100 Mile Endurance Run
Missouri
Event weekend
- Character
- Rolling
- Forest
- Riverside
- Countryside
Related race guides
October Ultramarathons questions
What october ultramarathons are included?
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.
Which october ultramarathons have route maps?
19 october ultramarathons currently have stored route geometry. Route traces appear only when stored geometry exists.
How are featured october ultramarathons ordered?
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.