The Best Marathons in September
Fall PR season begins as the air turns. Here is every marathon RaceScout tracks that runs in September, sequenced by date so you can see how the month fills out.
Sat, Sep 5
2026
Marquette Marathon
Marquette, MI
Net downhill
66°F
Avg temp
~448
Field
22%
BQ %
Sat, Sep 5
2026
Pocatello Marathon
Pocatello, ID
Net downhill
78°F
Avg temp
~251
Field
10%
BQ %
Sun, Sep 6
2026
Kauai Marathon
Poipu, HI
Hilly
84°F
Avg temp
~2,400
Field
—
BQ %
Sun, Sep 6
2026
Tupelo Marathon
Tupelo, MS
Rolling
88°F
Avg temp
~88
Field
15%
BQ %
Sat, Sep 12
2026
Big Cottonwood Marathon
Salt Lake City, UT
Net downhill
70°F
Avg temp
~1,179
Field
4%
BQ %
Sat, Sep 12
2026
Oslo Marathon
Oslo
Rolling
61°F
Avg temp
~20,000
Field
—
BQ %
Sun, Sep 13
2026
Erie Marathon at Presque Isle
Erie, PA
Flat
72°F
Avg temp
~700
Field
45%
BQ %
Sat, Sep 19
2026
Equinox Marathon
Fairbanks, AK
Hilly
49°F
Avg temp
~400
Field
—
BQ %
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Find my best fit Sat, Sep 19
2026
Air Force Marathon
Dayton, OH
Flat
83°F
Avg temp
~1,246
Field
3%
BQ %
Sat, Sep 19
2026
Top of Utah Marathon
Logan, UT
Flat
76°F
Avg temp
~149
Field
7%
BQ %
Sat, Sep 19
2026
Bismarck Marathon
Bismarck, ND
Flat
70°F
Avg temp
~206
Field
8%
BQ %
Sun, Sep 20
2026
Pikes Peak Marathon
Manitou Springs, CO
Hilly
65°F
Avg temp
~722
Field
—
BQ %
Sun, Sep 20
2026
Bellingham Bay Marathon
Bellingham, WA
Flat
67°F
Avg temp
~286
Field
5%
BQ %
Sun, Sep 20
2026
Sioux Falls Marathon
Sioux Falls, SD
Flat
79°F
Avg temp
~402
Field
—
BQ %
Sun, Sep 20
2026
Community First Fox Cities Marathon
Appleton, WI
Flat
68°F
Avg temp
~543
Field
3%
BQ %
Sun, Sep 20
2026
Buenos Aires Marathon
Buenos Aires
Flat
64°F
Avg temp
~8,579
Field
—
BQ %
Sun, Sep 20
2026
Lincoln Marathon
Lincoln, NE
Flat
83°F
Avg temp
~1,106
Field
9%
BQ %
Sep 2026
estimated
Heartland Marathon
Omaha, NE
Flat
74°F
Avg temp
~272
Field
4%
BQ %
Sat, Sep 26
2026
Akron Marathon
Akron, OH
Hilly
70°F
Avg temp
~818
Field
6%
BQ %
Sat, Sep 26
2026
Hamptons Marathon
East Hampton, NY
Flat
68°F
Avg temp
~440
Field
3%
BQ %
Sun, Sep 27
2026
Adirondack Marathon
Schroon Lake, NY
Rolling
66°F
Avg temp
~162
Field
4%
BQ %
Sun, Sep 27
2026
BMW Berlin Marathon
Berlin
Flat
63°F
Avg temp
~48,359
Field
—
BQ %
Sun, Sep 27
2026
Loch Ness Marathon
Inverness
Rolling
55°F
Avg temp
~4,160
Field
—
BQ %
Sun, Sep 27
2026
Quad Cities Marathon
Moline, IL
Flat
75°F
Avg temp
—
Field
—
BQ %
Sun, Sep 27
2026
Warsaw Marathon
Warsaw
Flat
69°F
Avg temp
~9,527
Field
—
BQ %
Sun, Sep 27
2026
Omaha Marathon
Omaha, NE
Flat
77°F
Avg temp
~360
Field
—
BQ %
Sun, Sep 27
2026
Boulder Marathon
Boulder, CO
Rolling
76°F
Avg temp
~1,998
Field
3%
BQ %
More months
The Best Marathons in January
Warm-weather escapes and winter-flat courses.
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The Best Marathons in February
Late-winter racing before the spring rush.
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The Best Marathons in March
The spring season opens, cool and fast.
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The Best Marathons in April
Peak spring, from Boston week onward.
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The Best Marathons in May
The last cool weekends before summer heat.
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The Best Marathons in June
Early-summer races, mostly cool-climate and high-altitude.
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The Best Marathons in July
Summer racing, run where the mornings stay cold.
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The Best Marathons in August
Late summer, weighted to the mountains and coast.
View list
The Best Marathons in October
The deepest month on the calendar for a fast time.
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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