2017 - 2018 North America Race Calendar in May

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in North America during the month of May among 4616 races.

4,616 races

Headlamp Hustle

10K
May 26, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Cross Plains
10k race - 10 kilometers
Trail

Headlamp Hustle

5K
May 26, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Cross Plains
5k race - 5 kilometers
Trail

Nonstop Glow Run

May 26, 2017 Race day in 1 day
USA / South Atlantic / Georgia / Savannah
5k race - 5 kilometers
Charity Night

Down & Dirty 5 Miler

May 26, 2017 Race day in 1 day
USA / East North Central / Ohio / Peninsula
Shorter than 10 km race - 5 miles
Trail

Pigtails Challenge

Pigtails 150 Mile Challenge
May 26, 2017 Race day in 1 day
USA / Pacific / Washington / Lake Youngs Watershed
Ultramarathon - 150 miles
Trail

Sulphur Springs Trail Race

100 Mile
May 27, 2017 Race day in 2 days
Canada / Ontario / Ancaster
Ultramarathon - 100 miles
Trail Relay

Seven Bridges Run, 10k and 5k run

10K
May 27, 2017 Race day in 2 days
Canada / Ontario / Orangeville
10k race - 10 kilometers

Danville Half Marathon and 10k

10K
May 27, 2017 Race day in 2 days
USA / Pacific / California / Danville
10k race - 10 kilometers
Charity

Summer Kickoff 5k/10k

10K
May 27, 2017 Race day in 2 days
USA / East North Central / Michigan / Coldwater
10k race - 10 kilometers
Charity

Volcano Half Marathon & 5K

10K
May 27, 2017 Race day in 2 days
USA / Pacific / Oregon / Keizer
10k race - 10 kilometers

Bayshore Marathon, Half Marathon, & 10K

10K
May 27, 2017 Race day in 2 days
USA / East North Central / Michigan / Traverse City
10k race - 10 kilometers
Road Running

Hardwood Trail Running Series #1

10K
May 27, 2017 Race day in 2 days
Canada / Ontario / Oro-Medonte
10k race - 10 kilometers
Trail Hardwood Trail Running Series

Ridgeline Ramble

10K
May 27, 2017 Race day in 2 days
USA / Pacific / Oregon / Eugene
10k race - 10 kilometers

Happy Girls Bend

10K
May 27, 2017 Race day in 2 days
USA / Pacific / Oregon / Bend
10k race
Women-only Happy Girls Series

Sulphur Springs Trail Race

10K
May 27, 2017 Race day in 2 days
Canada / Ontario / Ancaster
10k race - 10 kilometers
Trail