The Best Marathons in May
The last cool weekends before summer heat. Here is every marathon RaceScout tracks that runs in May, sequenced by date so you can see how the month fills out.
Sun, May 2
2027
OC Marathon
Costa Mesa, CA
Flat
70°F
Avg temp
~3,618
Field
5%
BQ %
Sun, May 2
2027
Cincinnati Flying Pig Marathon
Cincinnati, OH
Rolling
70°F
Avg temp
~5,267
Field
5%
BQ %
Sun, May 2
2027
Vancouver Marathon
Vancouver
Rolling
61°F
Avg temp
~6,886
Field
7%
BQ %
Sun, May 2
2027
Pittsburgh Marathon
Pittsburgh, PA
Rolling
66°F
Avg temp
~5,024
Field
5%
BQ %
Sun, May 2
2027
Belfast City Marathon
Belfast
Flat
55°F
Avg temp
~3,075
Field
—
BQ %
Sun, May 2
2027
Colorado Marathon
Fort Collins, CO
Net downhill
66°F
Avg temp
~1,051
Field
12%
BQ %
May 2027
estimated
Prague Marathon
Prague
Flat
59°F
Avg temp
~7,631
Field
—
BQ %
May 2027
estimated
Avenue of the Giants Marathon
Weott, CA
Flat
56°F
Avg temp
~396
Field
5%
BQ %
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estimated
Cox Providence Marathon
Providence, RI
Flat
—
Avg temp
~2,500
Field
—
BQ %
May 2027
estimated
Long Island Marathon
East Meadow, NY
Flat
62°F
Avg temp
~571
Field
17%
BQ %
May 2027
estimated
White Mountain Marathon
Lincoln, NH
Flat
65°F
Avg temp
~1,141
Field
19%
BQ %
Sat, May 8
2027
Geneva Marathon
Geneva
Rolling
68°F
Avg temp
~1,928
Field
—
BQ %
Sat, May 8
2027
Helsinki City Marathon
Helsinki
Flat
57°F
Avg temp
~15,000
Field
—
BQ %
May 2027
estimated
Maple Leaf Marathon
Manchester, VT
Flat
64°F
Avg temp
~150
Field
—
BQ %
Sat, May 8
2027
Luxembourg Marathon
Luxembourg
Rolling
63°F
Avg temp
~17,000
Field
—
BQ %
Sun, May 9
2027
Copenhagen Marathon
Copenhagen
Flat
58°F
Avg temp
~25,000
Field
—
BQ %
Sun, May 16
2027
Cleveland Marathon
Cleveland, OH
Flat
65°F
Avg temp
~1,715
Field
8%
BQ %
May 2027
estimated
Ogden Marathon
Ogden, UT
Net downhill
71°F
Avg temp
~1,332
Field
9%
BQ %
Sun, May 16
2027
Colfax Marathon
Denver, CO
Flat
68°F
Avg temp
~2,917
Field
3%
BQ %
Sun, May 16
2027
Worcester Marathon
Worcester, MA
Rolling
62°F
Avg temp
—
Field
—
BQ %
Sun, May 16
2027
Santiago Marathon
Santiago
Flat
75°F
Avg temp
~35,000
Field
—
BQ %
May 2027
estimated
Med-City Marathon
Rochester, MN
Net downhill
73°F
Avg temp
~360
Field
10%
BQ %
May 2027
estimated
Sugarloaf Marathon
Carrabassett Valley, ME
Net downhill
68°F
Avg temp
~1,500
Field
30%
BQ %
May 2027
estimated
Reno Marathon
Reno, NV
Net downhill
74°F
Avg temp
~543
Field
5%
BQ %
Sat, May 22
2027
Fargo Marathon
Fargo, ND
Flat
72°F
Avg temp
~953
Field
10%
BQ %
Sun, May 23
2027
Cape Town Marathon
Cape Town
Rolling
69°F
Avg temp
~27,000
Field
—
BQ %
Sun, May 23
2027
Buffalo Marathon
Buffalo, NY
Flat
73°F
Avg temp
~1,209
Field
11%
BQ %
May 2027
estimated
Vermont City Marathon
Burlington, VT
Rolling
71°F
Avg temp
~1,521
Field
11%
BQ %
May 2027
estimated
Lansing Marathon
Lansing, MI
Flat
69°F
Avg temp
—
Field
—
BQ %
May 2027
estimated
Lake Champlain Marathon
Burlington, VT
Flat
71°F
Avg temp
~5,000
Field
11%
BQ %
May 2027
estimated
Calgary Marathon
Calgary
Flat
69°F
Avg temp
~1,937
Field
5%
BQ %
May 2027
estimated
Run with Wyoming Marathon
Cheyenne, WY
Flat
—
Avg temp
—
Field
—
BQ %
May 2027
estimated
Coeur dAlene Marathon
Coeur dAlene, ID
Rolling
65°F
Avg temp
~412
Field
5%
BQ %
Sat, May 29
2027
Stockholm Marathon
Stockholm
Flat
66°F
Avg temp
~18,844
Field
—
BQ %
Sat, May 29
2027
Bayshore Marathon
Traverse City, MI
Flat
69°F
Avg temp
~2,000
Field
19%
BQ %
Sun, May 30
2027
Ottawa Marathon
Ottawa
Flat
74°F
Avg temp
~4,780
Field
11%
BQ %
Sun, May 30
2027
Edinburgh Marathon
Edinburgh
Rolling
65°F
Avg temp
~24,000
Field
—
BQ %
May 2027
estimated
Newport Marathon (Oregon)
Newport, OR
Flat
58°F
Avg temp
~332
Field
12%
BQ %
More months
The Best Marathons in January
Warm-weather escapes and winter-flat courses.
View list
The Best Marathons in February
Late-winter racing before the spring rush.
View list
The Best Marathons in March
The spring season opens, cool and fast.
View list
The Best Marathons in April
Peak spring, from Boston week onward.
View list
The Best Marathons in June
Early-summer races, mostly cool-climate and high-altitude.
View list
The Best Marathons in July
Summer racing, run where the mornings stay cold.
View list
The Best Marathons in August
Late summer, weighted to the mountains and coast.
View list
The Best Marathons in September
Fall PR season begins as the air turns.
View list
The Best Marathons in October
The deepest month on the calendar for a fast time.
View list
The Best Marathons in November
Cool, flat, and stacked with big-city fields.
View list
The Best Marathons in December
Year-end racing, from downhill speed to holiday flats.
View list