2017 - 2018 North America Trail Half Marathon to Full Marathon Calendar in May

Browse our Calendar for races longer than a half marathon but shorter than a full marathon organized in North America during the month of May bearing the tag Trail among 37 races.

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37 races

Tchimbé Raid

Tchimbé du Piton
May 05, 2017 Race day in 4 months
Martinique / Camp de Balata
Half Marathon to Full Marathon - 30 kilometers
Trail Mountain

Greenland Trail 50k

Greenland Trail 25k
May 06, 2017 Race day in 4 months
USA / Mountain Region / Colorado / Larkspur
Half Marathon to Full Marathon - 25 kilometers
Trail

Medved Madness Trail Race

Medved Madness Solo Trail Race
May 07, 2017 Race day in 4 months
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail

Medved Madness Trail Race

Medved Madness Trail Relay
May 07, 2017 Race day in 4 months
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail Relay

Smith Rock Ascent 50K, 15M, 4M

15 Mile
May 13, 2017 Race day in 4 months
USA / Pacific / Oregon / Smith Rock State Park, Terrebonne
Half Marathon to Full Marathon - 15 miles
Trail Mountain

PEAK Ultra Marathon

15 Miles
May 13, 2017 Race day in 4 months
USA / New England / Vermont / Pittsfield
Half Marathon to Full Marathon - 15 miles
Trail

Glacier Ridge Trail Ultramarathon

30K
May 13, 2017 Race day in 4 months
USA / Mid-Atlantic / Pennsylvania / Moraine State Park
Half Marathon to Full Marathon - 30 kilometers
Hilly Trail

Cinderella Trail Run (May)

30 km
May 13, 2017 Race day in 4 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon to Full Marathon - 30 kilometers
Coastal Trail Runs Trail

Island Runner Elk/Beaver Ultras

Glenn Jaques 40K Ultra Walk
May 13, 2017 Race day in 4 months
Canada / British Columbia / Victoria
Half Marathon to Full Marathon - 40 kilometers
Walk Flat Trail

Iron Knee / Tender Knee

Iron Knee 25 km
May 13, 2017 Race day in 4 months
Canada / British Columbia / North Vancouver
Half Marathon to Full Marathon - 25 kilometers
Trail

Lost Lake Ultra

Lost Lake 25K
May 13, 2017 Race day in 4 months
USA / Pacific / Washington / Bellingham
Half Marathon to Full Marathon - 25 kilometers
Trail Mountain

Highland Loops Trail Run

16 Mile
May 20, 2017 Race day in 4 months
USA / East North Central / Michigan / White Lake charter Township
Half Marathon to Full Marathon - 16 miles
Trail

Sun Mountain

25K
May 20, 2017 Race day in 4 months
USA / Pacific / Washington / Winthrop
Half Marathon to Full Marathon - 25 kilometers
Trail Rainshadow Running

Adrenaline Night Run

Adrenaline 36K Night Run
May 20, 2017 Race day in 4 months
USA / Mountain Region / Arizona / McDowell Mountain Regional Park, Fountain Hills
Half Marathon to Full Marathon - 26 kilometers
Trail Aravaipa Running Night

Spring Superior Trail Races

Spring Superior Trail 25k
May 20, 2017 To be confirmed Race day in 4 months
USA / West North Central / Minnesota / Lutsen
Half Marathon to Full Marathon - 25 kilometers
Trail