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 39 races.

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39 races

Tchimbé Raid

Tchimbé du Piton
May 05, 2017 Race day in about 1 month
Martinique / Camp de Balata
Half Marathon to Full Marathon - 30 kilometers
Trail Mountain

Armstrong Redwoods

Armstrong Redwoods 30K
May 06, 2017 Race day in about 1 month
USA / Pacific / California / Guerneville
Half Marathon to Full Marathon - 30 kilometers
Hilly Trail

Greenland Trail 50k

Greenland Trail 25k
May 06, 2017 Race day in about 1 month
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 about 1 month
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 about 1 month
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 Race day in about 1 month
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 Race day in about 2 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 about 2 months
USA / New England / Vermont / Pittsfield
Half Marathon to Full Marathon - 15 miles
Trail

Wapack and Back Trail Races

21.5 Miler
May 13, 2017 Race day in about 2 months
USA / New England / Massachusetts / Ashburnham
Half Marathon to Full Marathon - 21.500 miles
Trail Tarc Trail Series

Priest Lake Marathon, Half Marathon, 50K, and 5K Family Fun Run

25K
May 13, 2017 Race day in about 2 months
USA / Mountain Region / Idaho / Priest Lake
Half Marathon to Full Marathon - 25 kilometers
Hilly Trail

Trail Runner Ultra Race of Champions 100K

25K
May 13, 2017 Race day in about 2 months
USA / South Atlantic / Virginia / Raphine
Half Marathon to Full Marathon - 25 kilometers
Trail

Glacier Ridge Trail Ultramarathon

30K
May 13, 2017 Race day in about 2 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 about 2 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon to Full Marathon - 30 kilometers
Coastal Trail Runs Trail

Don't Fence Me in Trail Run

Don't Fence Me in 30K Trail Run
May 13, 2017 Race day in about 2 months
USA / Mountain Region / Montana / Helena
Half Marathon to Full Marathon - 30 kilometers
Trail La Sportiva Mountain Cup

Island Runner Elk/Beaver Ultras

Glenn Jaques 40K Ultra Walk
May 13, 2017 Race day in about 2 months
Canada / British Columbia / Victoria
Half Marathon to Full Marathon - 40 kilometers
Walk Flat Trail