14 MAYMAP
Volvic Volcanic Experience (VVX)
France
Event weekend
- Map
- Profile
- Character
GPS trace: 1,185 pts / www.volvic-vvx.com
- Mountainous
- Historic
- Parkland
- Mountain
- Ascent
- 7,564 m
- m/km
- 33.8 m/km
7,564 mAscent
monthly distance guide
May Ultramarathons
May ultramarathon guide with source-backed race dates, mapped-route counts, elevation profiles, cost signals and route evidence where available.
May Ultramarathons coverage
20Dated race pages12Mapped routes11Elevation profiles60%Map coverage
Dated race pages
Featured may ultramarathons
15 MAYMAP
Ultra-Trail Snowdonia by UTMB
Wales
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 1,213 pts / snowdonia.utmb.world
- Mountainous
- Mountain
- Lakeside
- Parkland
- Ascent
- 9,055 m
- m/km
- 55.6 m/km
9,055 mAscent£259Entry
15 MAYSCORE
Garda Trentino Trail
Italy
Event weekend
- Character
- Mountainous
- Countryside
- Coastal
- Mountain
16 MAYMAP
Massanutten Mountain Trails 100 Mile Run
Virginia
Event weekend
- Map
- Profile
- Character
GPS trace: 1,113 pts / new.vhtrc.org
- Mountainous
- Mountain
- Countryside
- Forest
- Ascent
- 4,799 m
- m/km
- 29.6 m/km
8.1%GAP
16 MAYSCORE
Berryman Trail Races (50 Mile & Marathon)
Missouri
Event weekend
- Character
- Countryside
- Forest
- Historic
- Riverside
23 MAYSCORE
Møn fra havn til havn
Denmark
Event weekend
- Character
- Hilly
- Coastal
- Forest
- Waterfront
24 MAYSCORE
Wyoming Marathon Races (Laramie)
Wyoming
Event weekend
- Character
- Countryside
- Mountain
- Forest
- Road
28 MAYMAP
The Arctic Triple // Lofoten Ultra-Trail
Norway
Event weekend
- Map
- Profile
- Character
GPS trace: 1,435 pts / thearctictriple.no
- Mountainous
- Coastal
- Mountain
- Waterfront
- Ascent
- 5,472 m
- m/km
- 33.5 m/km
5,472 mAscent
30 MAYMAP
Mohican Trail 100 Mile Run
Ohio
Event weekend
- Map
- Profile
- Character
GPS trace: 1,421 pts / www.ombc.net
- Hilly
- Countryside
- Forest
- Waterfront
- Ascent
- 2,890 m
- m/km
- 18.0 m/km
3.7%GAP
01 MAYMAP
Thames Path 100
South East
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 813 pts / centurionrunning.com
- Flat
- Riverside
- Countryside
- City
- Ascent
- 222 m
- m/km
- 1.4 m/km
0.4%GAP£225Entry
01 MAYMAP
The Malvern Hills Ultra
West Midlands
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 1,014 pts / www.ultrarunningltd.co.uk
- Hilly
- Countryside
- Forest
- Trail
- Ascent
- 2,391 m
- m/km
- 31.6 m/km
8.5%GAP£95Entry
05 MAYMAP
adidas Innsbruck Alpine Trailrun Festival
Austria
Event weekend
- Map
- Profile
- Character
GPS trace: 1,469 pts / www.innsbruckalpine.at
- Mountainous
- Mountain
- Forest
- Countryside
- Ascent
- 3,838 m
- m/km
- 34.1 m/km
3,838 mAscent
06 MAYMAP
Transvulcania
Spain
Event weekend
- Map
- Profile
- Character
GPS trace: 1,368 pts / transvulcania.com
- Mountainous
- Mountain
- Parkland
- Island
- Ascent
- 4,128 m
- m/km
- 56.5 m/km
25.1%GAP
08 MAYMAP
TARC Wapack and Back
Massachusetts
Event weekend
- Map
- Character
GPS trace: 1,361 pts / www.trailanimals.com
- Mountainous
- Countryside
- Historic
- Mountain
08 MAYSCORE
Don't Fence Me In Trail Run
Montana
Event weekend
- Character
- Mountainous
- Mountain
- Waterfront
- Parkland
15 MAYMAP
Salomon Ultra-Trail Hungary
Hungary
Event weekend
- Map
- Profile
- Character
GPS trace: 1,123 pts / ultratrail.hu
- Mountainous
- Countryside
- Riverside
- Mountain
- Ascent
- 3,938 m
- m/km
- 35.2 m/km
3,938 mAscent
15 MAYMAP
Ultra Trail Učka
Croatia
Event weekend
- Map
- Profile
- Character
GPS trace: 1,271 pts / rika.hr
- Mountainous
- Coastal
- Parkland
- Mountain
- Ascent
- 4,470 m
- m/km
- 53.5 m/km
4,470 mAscent
15 MAYSCORE
KEYS100 Ultramarathon (Key Largo to Key West)
Florida
Event weekend
- Character
- Pancake Flat
- Coastal
- Waterfront
- Island
28 MAYSCORE
NUTS Karhunkierros
Finland
Event weekend
- Character
- Hilly
- Parkland
- Mountain
- Forest
29 MAYSCORE
Trail Festival at Pineland Farms, New Gloucester
Maine
Event weekend
- Character
- Rolling
- Countryside
- Forest
- Parkland
Related race guides
May Ultramarathons questions
What may ultramarathons are included?
This guide includes 20 ultramarathon race pages whose latest source-backed race date falls in May. Smaller date-distance groups are not published as standalone pages until they clear the coverage threshold.
Which may ultramarathons have route maps?
12 may ultramarathons currently have stored route geometry. Route traces appear only when stored geometry exists.
How are featured may 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.