2016 - 2017 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 40 races.

40 races

Blackfoot Ultra

Blackfoot 25 Km Baby Ultra
2016-05-28
Canada / Alberta / Edmonton
Half Marathon to Full Marathon - 25 kilometers
Walk Trail

Sulphur Springs Trail Run

Sulphur Springs 25K Trail Run
2016-05-28
Canada / Ontario / Ancaster
Half Marathon to Full Marathon - 25 kilometers
Trail

The Catsmacker

The Catsmacker
2016-05-28
USA / West South Central / Arkansas / Ouachita National Forest
Half Marathon to Full Marathon - 23 miles
Trail

Pineland Farms Trail Running Festival

Pineland Farms 25K Trail
2016-05-29
USA / New England / Maine / New Gloucester
Half Marathon to Full Marathon - 25 kilometers
Hilly Trail

Greenland Trail 50k

Greenland Trail 25k
2017-05-06
USA / Mountain Region / Colorado / Larkspur
Half Marathon to Full Marathon - 25 kilometers
Trail

Medved Madness Trail Race

Medved Madness Solo Trail Race
2017-05-07
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail

Medved Madness Trail Race

Medved Madness Trail Relay
2017-05-07
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail Relay

Highland Loops Trail Run

16 Mile
2017-05-20
USA / East North Central / Michigan / White Lake charter Township
Half Marathon to Full Marathon - 16 miles
Trail

Santa Barbara Trail Run

Santa Barbara 25K Trail Run
2014-05-31
USA / Pacific / California / Santa Barbara
Half Marathon to Full Marathon - 25 kilometers
Trail

Joe English Trail Challenge

2016-05-01
USA / New England / New Hampshire / Amherst
Half Marathon to Full Marathon - 25 kilometers
Charity Trail

The North Face Dirty Feet Kal Park 50

The North Face Dirty Feet Kal Park 50 - 25K
2016-05-01
Canada / British Columbia / Vernon
Half Marathon to Full Marathon - 25 kilometers
Trail North Face Dirty Feet Trail Series Mountain

Tchimbé Raid

Tchimbé du Piton
2016-05-04
Martinique / Camp de Balata
Half Marathon to Full Marathon - 30 kilometers
Trail Mountain

Smith Rock Ascent 50K, 15M, 4M

15 Mile
2016-05-07
USA / Pacific / Oregon / Smith Rock State Park, Terrebonne
Half Marathon to Full Marathon - 15 miles
Trail Northwest Mountain Trail Series Mountain

Amasa

Amasa 14.5 Miler
2016-05-07
USA / Mountain Region / Utah / Moab
Half Marathon to Full Marathon - 14.500 miles
Trail Grass Roots Events

Armstrong Redwoods

Armstrong Redwoods 30K
2016-05-07
USA / Pacific / California / Guerneville
Half Marathon to Full Marathon - 30 kilometers
Hilly Trail