2016 - 2017 USA Trail Half Marathon Calendar in May

Browse our Half Marathon Calendar for races organized in USA during the month of May bearing the tag Trail among 51 races.

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51 races

Grayson Highlands Half/Marathon

Grayson Highlands Half Marathon
May 06, 2017 Race day in 5 months
USA / South Atlantic / Virginia / Mouth of Wilson
Half Marathon
Trail Run Bum Tours

Horseshoe Lake Trail Run

Horseshoe Lake Half Marathon
May 06, 2017 Race day in 5 months
USA / Pacific / California / Palo Alto
Half Marathon
Coastal Trail Runs Hilly Walk Trail

Greenwood Furnace Trail Challenge

May 07, 2017 Race day in 5 months
USA / Mid-Atlantic / Pennsylvania / Huntingdon
Half Marathon - 13.100 miles
Trail

Leoni Meadows Trail Series - Half Marathon, 5k, Kids Fun Run

Leoni Meadows Half Marathon Trail Race
May 07, 2017 Race day in 5 months
USA / Pacific / California / Grizz
Half Marathon
Hilly Fun Trail

Rock the River: Palisades Half, 5K, and 6K Trail Run

Rock the River: Palisades Half Marathon
May 07, 2017 Race day in 5 months
USA / Mid-Atlantic / New Jersey / Fort Lee
Half Marathon - 13.100 miles
Trail

China Camp Trail Run

China Camp Trail Run Half Marathon
May 13, 2017 Race day in 5 months
USA / Pacific / California / San Rafael
Half Marathon
Trail Inside Trail Racing

Cinderella Trail Run (May)

Half Marathon
May 13, 2017 Race day in 5 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Half Marathon
Coastal Trail Runs Trail

Wisconsin Trail Assail Series - Mother's Day Run & Walk

Half Marathon
May 13, 2017 Race day in 5 months
USA / East North Central / Wisconsin / Nashotah Park
Half Marathon
Trail

Ice Age Trail 50

Ice Age Trail Half Marathon
May 13, 2017 Race day in 5 months
USA / East North Central / Wisconsin / La grange
Half Marathon
Trail

Mill Stone Half Marathon and 8K Trail Races

Mill Stone Half Marathon Trail Race
May 13, 2017 Race day in 5 months
USA / South Atlantic / South Carolina / Bruce Rush Pavilion, ASC Greenway
Half Marathon
Trail

Paiute Meadows Trail 50K

Trail Half Marathon
May 13, 2017 Race day in 5 months
USA / Pacific / California / Susanville
Half Marathon
Trail

Delaware Marathon, Relay & Half Marathon

Delaware Half Marathon
May 14, 2017 Race day in 5 months
USA / South Atlantic / Delaware / Wilmington
Half Marathon
Trail

The North Face Endurance Challenge New York

Half Marathon
May 14, 2017 Race day in 5 months
USA / Mid-Atlantic / New York / Bear Mountain State Park, Bear Mountain
Half Marathon
Hilly Trail The North Face Endurance Challenge

Palmer Lake Trail Half Marathon and 10K

Half Marathon
May 20, 2017 Race day in 5 months
USA / Mountain Region / Colorado / Palmer Lake
Half Marathon
Trail

Jemez Mountain Trail Runs Half Marathon, 50K & 50-Mile Run

Jemez Mountain Trail Runs Half Marathon
May 20, 2017 Race day in 5 months
USA / Mountain Region / New Mexico / Los Alamos
Half Marathon
Hilly Trail