Half Marathons in Decatur, Illinois 2026 — MyNextRace

There are 2 half marathons in Decatur, Illinois in 2026. The next is the Shoreline Classic on October 2.

Fri, Oct 2 · Decatur, IL Decatur

Road 5K5k - Virtual15k - Virtual +2

From $10 Open

Sat, Nov 21 · Decatur, IL Decatur

Virtual 1/2 Mile Tot Trot (Ages 12 and Under)Virtual 10KVirtual 5K +4

From $25 Open

Half Marathons in Decatur, Illinois