There are 4 half marathons in Indiana scheduled for 2026. The next is the Run the Monon (hosted by Indy Runners and Walkers) in Indianapolis on October 24. Indiana half marathons run primarily July through November.

La Porte Triathlon

Sat, Jul 11 · La Porte, IN La Porte
Sprint Triathlon Relay (2 Person)Sprint TriathlonSprint Duathlon +2

-TRI Columbus

Sat, Aug 8 · Columbus, IN Columbus
Sprint Clydesdale/AthenaSprint Male TeamSprint Coed Team +3

Run the Monon (hosted by Indy Runners and Walkers)

Sat, Oct 24 · Indianapolis, IN Indianapolis
Runner - 12 Miles (Club Discount taken at checkout...)Walker - 12 Miles - Early Departure (7:30am) (Club Discount taken at checkout...)Runner - 20 Miles (Club Discount taken at checkout...) +1