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 38 races.

Refine by

38 races

Joe English Trail Challenge

May 01, 2016 The race has already taken place.
USA / New England / New Hampshire / Amherst
Half Marathon to Full Marathon - 25 kilometers
Charity Trail

Soapstone Mountain Trail Races

Soapstone Mountain Trail Races 22 km
May 15, 2016 The race has already taken place.
USA / New England / Connecticut / Stafford Springs
Half Marathon to Full Marathon - 22 kilometers
Trail

Tchimbé Raid

Tchimbé du Piton
May 05, 2017 The race has already taken place.
Martinique / Camp de Balata
Half Marathon to Full Marathon - 30 kilometers
Trail Mountain

Armstrong Redwoods

Armstrong Redwoods 30K
May 06, 2017 The race has already taken place.
USA / Pacific / California / Guerneville
Half Marathon to Full Marathon - 30 kilometers
Hilly Trail

Collegiate Peaks Trail Run

Collegiate Peaks 25M Trail Run
May 06, 2017 The race has already taken place.
USA / Mountain Region / Colorado / Buena Vista
Half Marathon to Full Marathon - 25 miles
Trail

Greenland Trail 50k

Greenland Trail 25k
May 06, 2017 The race has already taken place.
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 The race has already taken place.
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 The race has already taken place.
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail Relay

The North Face Dirty Feet Kal Park 50

The North Face Dirty Feet Kal Park 50 - 25K
May 07, 2017 The race has already taken place.
Canada / British Columbia / Vernon
Half Marathon to Full Marathon - 25 kilometers
Trail North Face Dirty Feet Trail Series Mountain

Smith Rock Ascent 50K, 15M, 4M

15 Mile
May 13, 2017 The race has already taken place.
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 The race has already taken place.
USA / New England / Vermont / Pittsfield
Half Marathon to Full Marathon - 15 miles
Trail

Wapack and Back Trail Races

21.5 Miler
May 13, 2017 The race has already taken place.
USA / New England / Massachusetts / Ashburnham
Half Marathon to Full Marathon - 21.500 miles
Trail Tarc Trail Series

Trail Runner Ultra Race of Champions 100K

25K
May 13, 2017 The race has already taken place.
USA / South Atlantic / Virginia / Raphine
Half Marathon to Full Marathon - 25 kilometers
Trail

Glacier Ridge Trail Ultramarathon

30K
May 13, 2017 The race has already taken place.
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 The race has already taken place.
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon to Full Marathon - 30 kilometers
Coastal Trail Runs Trail