Iowa may not be the first state that comes to mind for half marathon adventures, but its late-summer and fall race calendar is quietly packed with charm. Think rolling farmland, river trails, and small-town hospitality—all under mild September skies. Whether you're chasing a PR or just want a scenic weekend getaway, Iowa delivers. Here are four upcoming races worth your attention.
Clinton Half Marathon
- Date: Sunday, September 13, 2026
- City: Clinton, Iowa
This race follows the Mississippi River, offering flat, fast terrain with river views that’ll keep you distracted from the miles. It’s a Runner Favorite (score: 66 out of 100) for good reason—smooth roads, enthusiastic volunteers, and a finish line that feels like a community celebration. Perfect for a fall PR attempt.
River’s Edge Trail Half Marathon
- Date: Saturday, September 26, 2026
- City: Eldora, Iowa
If you prefer dirt to asphalt, this trail race along the Iowa River is your pick. The course winds through wooded areas and open meadows, and late September often brings peak fall foliage. It’s a Solid Pick (score: 48) with a relaxed, low-key vibe. Expect some gentle rolling hills and a post-race connection with nature.
Midwest Greater Des Moines Half Marathon Series
- Date: Sunday, September 27, 2026
- City: Des Moines, Iowa
This urban half marathon takes you through the heart of Des Moines—past landmarks, parks, and neighborhoods. It’s part of a larger running series (also offers 10K and 5K), so you can bring friends of any distance. Rated a Solid Pick (score: 47), it’s a great option if you want a city experience with plenty of crowd support.
Alzheimer's 5K & Half Marathon
- Date: Saturday, August 15, 2026
- City: Dubuque, Iowa
Running for a cause adds extra meaning to every mile. This race supports Alzheimer’s research and care, and the Dubuque course takes advantage of the city’s Mississippi River bluffs and historic districts. It’s a Solid Pick (score: 46) with a heartfelt mission—plus August in Iowa is warm but manageable if you start early.
Whether you’re an Iowa local or planning a road trip, these half marathons offer a little something for everyone. From river views to trail serenity to urban energy, the Hawkeye State has your next finish line waiting.
Ready to find more races? Check out all half marathons in Iowa to explore every option and plan your season.