2017 - 2018 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 around the world during the month of May bearing the tag Trail among 244 races.

244 races

Greenland Trail 50k

May 05, 2018 Race day in 9 months
USA / Mountain Region / Colorado / Larkspur
Half Marathon to Full Marathon
Trail

Medved Madness Trail Race

May 06, 2018 Race day in 9 months
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon
Trail

Medved Madness Trail Race

May 06, 2018 Race day in 9 months
USA / Mid-Atlantic / New York / Honeoye Falls
Half Marathon to Full Marathon
Trail Relay

Glacier Ridge Trail Ultramarathon

May 12, 2018 Race day in 10 months
USA / Mid-Atlantic / Pennsylvania / Moraine State Park
Half Marathon to Full Marathon
Hilly Trail

Trail de Puvenelle

May 13, 2018 Race day in 10 months
France / Lorraine / Meurthe-et-Moselle / Blénod-lès-Pont-à-Mousson
Half Marathon to Full Marathon
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
Trail Charity

The North Face 100®, Philippines

May 01, 2016 The race has already taken place.
Philippines / Baguio
Half Marathon to Full Marathon
Trail

Trail del Sueve "La Pisada del Diantre"

May 01, 2016 The race has already taken place.
Spain / Principality of Asturias / Lastres
Half Marathon to Full Marathon
Trail Mountain

Lo Bosc'a Trail

May 07, 2016 The race has already taken place.
France / Aquitaine / Pyrénées-Atlantiques / Arbus
Half Marathon to Full Marathon
Trail Relay

Rougemont Trail

May 08, 2016 The race has already taken place.
France / Franche Comté / Doubs / Rougemont
Half Marathon to Full Marathon
Trail

The Evesham Ultra & Relay

No race in 2017
United Kingdom / England / Worcestershire / Evesham, Worcestershire
Half Marathon to Full Marathon
Trail

Mácháč Running Festival

May 14, 2016 The race has already taken place.
Czech Republic / Máchovo jezero, RZ Karolínka
Half Marathon to Full Marathon
Fun Green Trail Mountain