Half Marathons in Oconomowoc, Wisconsin 2026 — MyNextRace

There are 2 half marathons in Oconomowoc, Wisconsin in 2026. The next is the Wisconsin Trail Series on April 10.

Fri, Apr 10 · Oconomowoc, WI Oconomowoc

Road WTA Half SeriesWTA 5K SeriesWTA 5K Walk Series +3

From $160 Open

Sat, Jul 25 · Oconomowoc, WI Oconomowoc

Triathlon SprintSprint RelayOlympic Relay +3

From $60 Open 50 spots left

Half Marathons in Oconomowoc, Wisconsin