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 36 races.

Refine by

36 races

Greenland Trail 50k

Greenland Trail 25k
May 06, 2017 Race day in 7 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 7 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 7 months
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon - 15 miles
Trail Relay

PEAK Ultra Marathon

15 Miles
May 13, 2017 Race day in 7 months
USA / New England / Vermont / Pittsfield
Half Marathon to Full Marathon - 15 miles
Trail

Cinderella Trail Run (May)

30 km
May 13, 2017 Race day in 7 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon to Full Marathon - 30 kilometers
Coastal Trail Runs Trail

Highland Loops Trail Run

16 Mile
May 20, 2017 Race day in 8 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 8 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 8 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 8 months
USA / West North Central / Minnesota / Lutsen
Half Marathon to Full Marathon - 25 kilometers
Trail

Pineland Farms Trail Running Festival

Pineland Farms 25K Trail
May 28, 2017 Race day in 8 months
USA / New England / Maine / New Gloucester
Half Marathon to Full Marathon - 25 kilometers
Hilly Trail

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

The North Face Dirty Feet Kal Park 50

The North Face Dirty Feet Kal Park 50 - 25K
May 01, 2016 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

Tchimbé Raid

Tchimbé du Piton
May 04, 2016 The race has already taken place.
Martinique / Camp de Balata
Half Marathon to Full Marathon - 30 kilometers
Trail Mountain

Smith Rock Ascent 50K, 15M, 4M

15 Mile
May 07, 2016 The race has already taken place.
USA / Pacific / Oregon / Smith Rock State Park, Terrebonne
Half Marathon to Full Marathon - 15 miles
Trail Northwest Mountain Trail Series Mountain

Armstrong Redwoods

Armstrong Redwoods 30K
May 07, 2016 The race has already taken place.
USA / Pacific / California / Guerneville
Half Marathon to Full Marathon - 30 kilometers
Hilly Trail