08 MARSCORE
The Snake Run (Tulsa)
Oklahoma
Event weekend
- Character
- Flat
- Parkland
- Mountain
- Historic
seasonal distance guide
Spring Ultramarathons
Spring ultramarathon guide with source-backed race dates, mapped-route counts, elevation profiles, cost signals and route evidence where available.
Spring Ultramarathons coverage
61Dated race pages37Mapped routes28Elevation profiles61%Map coverage
Spring Ultramarathons by location
Dated race pages
Featured spring ultramarathons
21 MARMAP
HAT Run 50K (Hinte Anderson Trail Run), Havre de Grace
Maryland
Event weekend
- Map
- Character
GPS trace: 1,334 pts / hatrun.com
- Hilly
- Waterfront
- Desert
- Forest
21 MARSCORE
Terrapin Mountain 50K & Half Marathon
Virginia
Event weekend
- Character
- Mountainous
- Mountain
- Countryside
- Forest
21 MARSCORE
Run the Rainbow for Children's
Mississippi
Event weekend
- Character
- City
- Waterfront
- Historic
- Desert
28 MARSCORE
Bourbon Country 25K/50K (Shepherdsville)
Kentucky
Event weekend
- Character
- Hilly
- Countryside
- Waterfront
- Forest
11 APRSCORE
Lake McMurtry Trail Run
Oklahoma
Event weekend
- Character
- Rolling
- Countryside
- Coastal
- Lakeside
18 APRMAP
FUGA Penyagolosa Trails (Castelló)
Spain
Event weekend
- Map
- Profile
- Character
GPS trace: 1,319 pts / www.penyagolosatrails.com
- Mountainous
- Mountain
- Countryside
- Coastal
- Ascent
- 5,183 m
- m/km
- 48.9 m/km
5,183 mAscent
25 APRMAP
Devil o' the Highlands Footrace
Scotland
Event weekend
- Map
- Profile
- Cost
- Character
GPS trace: 1,424 pts / www.devilothehighlandsfootrace.co.uk
- Mountainous
- City
- Mountain
- Lakeside
- Ascent
- 1,641 m
- m/km
- 23.8 m/km
4.4%GAP£100Entry
25 APRMAP
Endurancelife Pembrokeshire
Wales
Event weekend
- Map
- Profile
- Character
GPS trace: 1,445 pts / www.endurancelife.com
- Hilly
- Coastal
- Parkland
- Desert
- Ascent
- 1,270 m
- m/km
- 22.8 m/km
5.2%GAP
25 APRMAP
MIUT - Madeira Island Ultra-Trail
Portugal
Event weekend
- Map
- Profile
- Character
GPS trace: 1,121 pts / miutmadeira.com
- Mountainous
- Coastal
- Mountain
- Island
- Ascent
- 6,789 m
- m/km
- 61.7 m/km
6,789 mAscent
25 APRMAP
Skunk Ape 100 Mile Endurance Run
Florida
Event weekend
- Map
- Character
GPS trace: 1,121 pts / skunkapeevents.weebly.com
- Gently Rolling
- Forest
- Parkland
- Lakeside
25 APRSCORE
Frisco Railroad Run
Missouri
Event weekend
- Character
- Countryside
- Historic
- Mountain
- Forest
25 APRSCORE
Promise Land 50K
Virginia
Event weekend
- Character
- Mountainous
- Mountain
- Countryside
- Forest
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
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
05 MARSCORE
Carl Touchstone Memorial Mississippi Trail 50
Mississippi
Event weekend
- Character
- Gently Rolling
- Forest
- Countryside
- Waterfront
06 MARMAP
Red Mountain 50K (St. George / Ivins, Utah)
Utah
Event weekend
- Map
- Character
GPS trace: 1,397 pts / redmountain50k.com
- Hilly
- Desert
- Countryside
- Waterfront
06 MARSCORE
Stump Jump 50K & 10 Miler
Tennessee
Event weekend
- Character
- Mountainous
- Canyon
- Riverside
- Desert
06 MARSCORE
Conquer the Rock 25K & 50K (Table Rock)
South Carolina
Event weekend
- Character
- Mountainous
- Parkland
- Mountain
- Forest
13 MARMAP
The Pistol Ultra (Alcoa)
Tennessee
Event weekend
- Map
- Profile
- Character
GPS trace: 1,471 pts / www.pistolultra.com
- Gently Rolling
- Waterfront
- Lakeside
- Forest
- Ascent
- 696 m
- m/km
- 4.3 m/km
0.4%GAP
13 MARSCORE
Land Between the Lakes Trail Run
Kentucky
Event weekend
- Character
- Countryside
- Lakeside
- Riverside
- Forest
14 MARMAP
The Kingdom of Northumbria Coastal Ultra
North East
Event weekend
- Map
- Character
GPS trace: 994 pts / www.wilddeerevents.co.uk
- Flat
- Coastal
- Historic
- Parkland
19 MARMAP
SciaccheTrail – Cinque Terre Ultra Trail
Italy
Event weekend
- Map
- Profile
- Character
GPS trace: 1,337 pts / www.sciacchetrail.com
- Mountainous
- Coastal
- Mountain
- Vineyard
- Ascent
- 4,300 m
- m/km
- 42.4 m/km
15.5%GAP
20 MARMAP
Chuckanut 50k
Washington
Event weekend
- Map
- Profile
- Character
GPS trace: 1,484 pts / chuckanut50krace.com
- Mountainous
- Mountain
- City
- Countryside
- Ascent
- 1,416 m
- m/km
- 28.3 m/km
8.6%GAP
20 MARMAP
Hardmoors 55
Yorkshire
Event weekend
- Map
- Cost
- Character
GPS trace: 672 pts / www.hardmoors110.org.uk
- Hilly
- Moorland
- Countryside
- Forest
£120Entry
27 MARMAP
The Georgia Death Race
Georgia
Event weekend
- Map
- Character
GPS trace: 1,418 pts / www.runbumtours.com
- Mountainous
- Mountain
- Countryside
- Coastal
02 APRMAP
Unicaja Ultra Sierra Nevada
Spain
Event weekend
- Map
- Profile
- Character
GPS trace: 1,144 pts / ultrasierranevada.com
- Mountainous
- City
- Historic
- Mountain
- Ascent
- 5,322 m
- m/km
- 53.2 m/km
5,322 mAscent
03 APRMAP
Behind the Rocks Ultra
Utah
Event weekend
- Map
- Character
GPS trace: 1,382 pts / www.madmooseevents.com
- Hilly
- Countryside
- Desert
- Canyon
03 APRSCORE
Chubb Trail Races (Double Chubb) - Eureka
Missouri
Event weekend
- Character
- Hilly
- Parkland
- Riverside
- Forest
03 APRSCORE
Black Mountain Marathon & Mount Mitchell Challenge
North Carolina
Event weekend
- Character
- Mountainous
- Countryside
- Mountain
- Waterfront
03 APRSCORE
Oak Mountain 50K (Pelham)
Alabama
Event weekend
- Character
- Mountainous
- Mountain
- Forest
- Parkland
04 APRMAP
Sleeping Giant Trail Runs
Connecticut
Event weekend
- Map
- Profile
- Character
GPS trace: 1,389 pts / steependurance.com
- Mountainous
- Parkland
- Waterfront
- Forest
- Ascent
- 2,012 m
- m/km
- 40.2 m/km
2,012 mAscent
08 APRMAP
Tenerife Bluetrail by UTMB
Spain
Event weekend
- Map
- Profile
- Character
GPS trace: 1,067 pts / tenerife.utmb.world
- Mountainous
- Coastal
- Mountain
- Island
- Ascent
- 5,798 m
- m/km
- 52.7 m/km
5,798 mAscent
10 APRMAP
Flint Hills 50 and Marathon
Kansas
Event weekend
- Map
- Profile
- Character
GPS trace: 612 pts / ultrasignup.com
- Countryside
- Waterfront
- Road
- Trail
- Ascent
- 655 m
- m/km
- 8.1 m/km
0.6%GAP
10 APRMAP
Ouachita Trail 50 Endurance Run
Arkansas
Event weekend
- Map
- Character
GPS trace: 359 pts / www.runarkansas.com
- Hilly
- Coastal
- Mountain
- Lakeside
11 APRMAP
Ethias 15 km de Liège Métropole
Belgium
Event weekend
- Map
- Profile
- Character
GPS trace: 824 pts / www.zatopekmagazine.com
- City
- Riverside
- Historic
- Parkland
- Ascent
- 1,260 m
- m/km
- 28.0 m/km
1,260 mAscent
17 APRMAP
Gorge Waterfalls 100K
Oregon
Event weekend
- Map
- Profile
- Character
GPS trace: 1,226 pts / www.daybreakracing.com
- Hilly
- Riverside
- Canyon
- Countryside
- Ascent
- 3,481 m
- m/km
- 34.9 m/km
3,481 mAscent
17 APRMAP
Foot Levelers Blue Ridge Marathon
Virginia
Event weekend
- Map
- Profile
- Character
GPS trace: 1,216 pts / blueridgemarathon.com
- Mountain
- City
- Forest
- Riverside
- Ascent
- 2,551 m
- m/km
- 30.2 m/km
2,551 mAscent
17 APRSCORE
Hyner View Trail Challenge
Pennsylvania
Event weekend
- Character
- Mountainous
- Countryside
- Forest
- Riverside
18 APRMAP
Spokane River Run
Washington
Event weekend
- Map
- Profile
- Character
GPS trace: 1,278 pts / runsignup.com
- Hilly
- Parkland
- Riverside
- City
- Ascent
- 925 m
- m/km
- 18.5 m/km
3.8%GAP
23 APRMAP
Ultra Trail Vipava Valley (UTVV), Ajdovščina
Slovenia
Event weekend
- Map
- Profile
- Character
GPS trace: 1,250 pts / ultratrail.si
- Mountainous
- Countryside
- Historic
- Vineyard
- Ascent
- 6,307 m
- m/km
- 38.7 m/km
6,307 mAscent
24 APRSCORE
TARC Spring Classic
Massachusetts
Event weekend
- Character
- Parkland
- Forest
- Desert
- Riverside
25 APRMAP
Connemara International Marathon (Connemarathon)
Ireland
Event weekend
- Map
- Profile
- Character
GPS trace: 1,252 pts / www.connemarathon.com
- Countryside
- Mountain
- Lakeside
- Moorland
- Ascent
- 755 m
- m/km
- 11.9 m/km
1.8%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
Spring Ultramarathons questions
What spring ultramarathons are included?
This guide includes 61 ultramarathon race pages whose latest source-backed race date falls in Spring. Smaller date-distance groups are not published as standalone pages until they clear the coverage threshold.
Which spring ultramarathons have route maps?
37 spring ultramarathons currently have stored route geometry. Route traces appear only when stored geometry exists.
How are featured spring 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.