September Half Marathon Calendar
Browse all September Half Marathons in 2024-2025 by state and by city below. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up. When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors. We dedicated dozens of hours every month searching for races to include in the September Half Marathons calendar. If you happen to see any half marathon not included, contact us at info@halfmarathons.net to submit your race. Looking for the best half marathons in September? We answer some of your most frequently asked questions about September half marathons underneath the calendar.
September Half Marathon Calendar
Dates may be subject to alteration, please check race website.
Filter September Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Filter September Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
October 20, 2024
1-100 runners
Long Beach, California
- 10K, 5k, Half Marathon, Trail
October 27, 2024
1-100 runners
Waynesville, Ohio
- 10K, 5k, Half Marathon, Relay, Trail
July 20, 2025
1-100 runners
Shelby Township, Michigan
- 5k, Half Marathon, Trail
August 22, 2025
1-100 runners
Mendocino, California
- Half Marathon, Trail
September 1, 2025
1-100 runners
Ely, Nevada
- 10K, Half Marathon, Trail
September 6, 2025
1-100 runners
Manchester Center, Vermont
- 5k, Half Marathon, Trail
September 6, 2025
100-500 runners
Douglas, Michigan
- 10K, Half Marathon, Trail
September 6, 2025
500-1000 runners
Payson, Utah
- 5k, Half Marathon, Marathon, Road
September 13, 2025
100-500 runners
Spicewood, Texas
- 10K, 5k, Half Marathon, Marathon, Trail
September 21, 2025
1-100 runners
Lexington, Kentucky
- 10K, 5k, Half Marathon, Road