2017 - 2018 Flat Race Calendar in May

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized around the world during the month of May bearing the tag Flat among 131 races.

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131 races

Snohomish Women's Run

10K
May 06, 2018 Race day in 10 months
USA / Pacific / Washington / Everett
10k race - 10 kilometers
Flat Women-only Road Running Fast

DICK'S Sporting Goods Pittsburgh Marathon

Half Marathon
May 06, 2018 Race day in 10 months
USA / Mid-Atlantic / Pennsylvania / Pittsburgh
Half Marathon
Walk Flat Road Running Fast

Snohomish Women's Run

Half Marathon
May 06, 2018 Race day in 10 months
USA / Pacific / Washington / Everett
Half Marathon - 13.100 miles
Flat Women-only Road Running Fast

Providence Marathon & Rhode Race

Marathon
May 06, 2018 Race day in 10 months
USA / New England / Rhode Island / Providence
Marathon
Boston Qualifier Flat Road Running Fast Relay

Whole Health Mudcat Marathon Weekend

Mudcat Half Marathon
May 12, 2018 Race day in 11 months
Canada / Ontario / Dunnville
Half Marathon
Boston Qualifier Flat

Whole Health Mudcat Marathon Weekend

Mudcat Marathon
May 12, 2018 Race day in 11 months
Canada / Ontario / Dunnville
Marathon
Boston Qualifier Flat

Whole Health Mudcat Marathon Weekend

Riverfront 10k
May 12, 2018 Race day in 11 months
Canada / Ontario / Dunnville
10k race
Boston Qualifier Flat

Whole Health Mudcat Marathon Weekend

Riverfront 5k
May 12, 2018 Race day in 11 months
Canada / Ontario / Dunnville
5k race
Boston Qualifier Flat

Uff Da Run

Uff Da Run 5K
May 19, 2018 Race day in 11 months
USA / East North Central / Wisconsin / Woodville
5k race - 5 kilometers
Flat Fast

Uff Da Run

Uff Da Run Half Marathon
May 19, 2018 Race day in 11 months
USA / East North Central / Wisconsin / Woodville
Half Marathon
Flat Fast

Kaiser Permanente Colfax Marathon

Colfax Half Marathon 13.1
May 20, 2018 Race day in 11 months
USA / Mountain Region / Colorado / Denver
Half Marathon
Charity Flat Road Running Fast

Buffalo Marathon & Half Marathon

John Beishline Memorial 5k (Saturday)
May 26, 2018 Race day in 11 months
USA / Mid-Atlantic / New York / Buffalo
5k race - 5 kilometers
Flat Road Running Fast