Win your entry for the 100km run Biel in Switzeland

2015 - 2016 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 170 races.

170 races

Le Grand Tacot

  • Europe | France | Burgundy | Côte-d'Or | Gevrey-Chambertin
  • Half Marathon to Full Marathon - 25 kilometers
  • May 01, 2015 - 09:00
  • Hilly Trail

T-Rail

  • Africa | Madagascar | Antananarivo
  • Half Marathon to Full Marathon - 30 kilometers
  • May 01, 2015
  • Trail Relay Mountain

Trail du Baurech - 26 km

  • Europe | France | Aquitaine | Gironde | Baurech
  • Half Marathon to Full Marathon - 26 kilometers
  • May 01, 2015 - 09:30
  • Trail

Trail du Diable au SUKre - 30 km

  • Europe | Belgium | Wallonia | Ellezelles
  • Half Marathon to Full Marathon - 30 kilometers
  • May 01, 2015 - 08:00
  • Hilly Trail

Amasa 14.5 Miler

  • North America | USA | Utah | Moab
  • Half Marathon to Full Marathon - 14.5 miles
  • May 02, 2015
  • Trail Grass Roots Events

Armstrong Redwoods 30K

  • North America | USA | California | Guerneville
  • Half Marathon to Full Marathon - 30 kilometers
  • May 02, 2015 - 08:40
  • Hilly Trail

Collegiate Peaks 25M Trail Run

  • North America | USA | Mountain Region | Colorado | Buena Vista
  • Half Marathon to Full Marathon - 25 miles
  • May 02, 2015
  • Trail

Greenland Trail 25k

  • North America | USA | Mountain Region | Colorado | Greenland
  • Half Marathon to Full Marathon - 25 kilometers
  • May 02, 2015 - 08:00
  • Trail

International Trail Roses-Cap de Creus - 24 km

  • Europe | Spain | Catalonia | Roses-Cap de Creus
  • Half Marathon to Full Marathon - 24 kilometers
  • May 02, 2015 - 09:00
  • Trail

Landes et Bruyères - 32 km

  • Europe | France | Brittany | Côtes-d'Armor | Plévenon
  • Half Marathon to Full Marathon - 32 kilometers
  • May 02, 2015 - 14:00
  • Trail

Le Malpassant

  • Europe | France | Rhône-Alpes | Savoie | Voglans
  • Half Marathon to Full Marathon - 27 kilometers
  • May 02, 2015
  • Hilly Trail

Maraton Trail Apuko - 40 Km

  • Europe | Spain | Basque Country | Zaramillo
  • Half Marathon to Full Marathon - 40 kilometers
  • May 02, 2015 - 06:00
  • UTMB Qualifier Trail Mountain

Salomon Hammer Trail Bornholm - 25 km

  • Europe | Denmark | Hovedstaden | Allinge
  • Half Marathon to Full Marathon - 25 kilometers
  • May 02, 2015 - 12:00
  • Trail

Sinister Night 27K Trail Run

  • North America | USA | Mountain Region | Arizona | San Tan Mountain Regional Park, Queen Creek, AZ
  • Half Marathon to Full Marathon - 27 kilometers
  • May 02, 2015 - 19:30
  • Night Trail Aravaipa Running

T42 24 km Trail Adventure Run/Walk

  • Oceania | New Zealand | Central Plateau
  • Half Marathon to Full Marathon - 24 kilometers
  • May 02, 2015 - 09:30
  • Walk Trail