Marathons in Iowa — 2026
There are 12 marathons in Iowa scheduled for 2026. The next is the Haunted 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (42) in Bettendorf on October 17. Iowa marathons run primarily October.
There are 12 marathons in Iowa scheduled for 2026. The next is the Haunted 5K, 10K, 13.1M & 26.2M at Bettendorf, IA (42) in Bettendorf on October 17. Iowa marathons run primarily October.