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Half Marathons found in September

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Half Marathons in September 2026

Find A Race is the US's favourite event listings site. Check out our list of September 2026 Half Marathons below.

Race Calendar: Half Marathons found in September

🚀Boosted

2026 Holland Haven Marathon

Holland, Michigan
Sun 13 Sep 26
$59.30 - $169.54
🚀Boosted

Wisconsin Trail Series

Oconomowoc, Wisconsin
Fri 10 Apr 26 - Fri 16 Oct 26
$184.10
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Mammoth Bar Trail Runs

Auburn, California
Sun 06 Sep 26
$52.94 - $74.14

National Chocolate Day: Run for Chocolates 5K/10K/13.1 NYC

New York City, New York
Sat 12 Sep 26
$32.80 - $69.90

Run for Mental Health 5K/10K/13.1 NYC

New York City, New York
Sat 12 Sep 26
$32.80 - $69.90

Run for Donuts 5K/10K/13.1 NYC

New York City, New York
Sat 26 Sep 26
$32.80 - $69.90

Seiz Up: A Run for Epilepsy Awareness

Gulf Breeze, Florida
Sat 26 Sep 26
$54.00 - $107.00

2026 PRE-SALE Margaritaville Run Orlando Half Marathon, 10K & 5K

Kissimmee, Florida
Sat 26 Sep 26
$40.22 - $67.78

Oktoberfest Run 5K/10K/13.1 SAN DIEGO

San Diego, California
Sat 26 Sep 26
$32.80 - $54.00

Run for Donuts 5K/10K/13.1 SAN DIEGO

San Diego, California
Sat 26 Sep 26
$32.80 - $54.00

Oktoberfest Run 5K/10K/13.1 NYC

New York City, New York
Sat 26 Sep 26
$32.80 - $69.90

Midwest Greater Des Moines Half Marathon, 10K & 5K

Des Moines, Iowa
Sun 27 Sep 26
$22.20 - $117.60
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