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 4034 races.

4,034 races

Borgess Run or the Health of it

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Kalamazoo
Shorter than 10 km race

Mason State Bank 5K and Bulldog Runs

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Mason
Shorter than 10 km race
Charity

Mason State Bank 5K and Bulldog Runs

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Mason
Shorter than 10 km race
Charity

Mason State Bank 5K and Bulldog Runs

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Mason
Shorter than 10 km race
Charity Walk

Medina City Schools Foundation Run.4.Fun

May 04, 2018 Race day in 7 months
USA / East North Central / Ohio / Medina
Shorter than 10 km race
Walk

Medina City Schools Foundation Run.4.Fun

May 04, 2018 Race day in 7 months
USA / East North Central / Ohio / Medina
5k race
Walk

Medina City Schools Foundation Run.4.Fun

May 04, 2018 Race day in 7 months
USA / East North Central / Ohio / Medina
Shorter than 10 km race
Walk

Soldier Fun Run

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Burton
Shorter than 10 km race
Walk

Soldier Fun Run

May 04, 2018 Race day in 7 months
USA / East North Central / Michigan / Burton
Shorter than 10 km race
Walk

Be Aware...Don't Go Bare 5k Run / Walk for Melanoma Research

May 05, 2018 Race day in 8 months
USA / Mid-Atlantic / Pennsylvania / Muncy
5k race
Walk

Be a Factor 5K presented by Inspector Cluseau's Home Inspection Service

May 05, 2018 Race day in 8 months
USA / East South Central / Tennessee / Loudon
5k race
Charity

Big Country CASA’s Superhero 5K/1K Fun Run

May 05, 2018 Race day in 8 months
USA / West South Central / Texas / Abilene
Shorter than 10 km race
Charity