Southern Illinois Marathon

APR

10

2027

April 2027 races at Crab Orchard National Wildlife Refuge featuring a 10 km, a 2.62 mile micro-marathon, and a 0.262 mile PeeWee race with age-group awards.

Sat 10 Apr 2027

Marion, Illinois

Website

6 miles 3 miles

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Southern Illinois 10K, Micro-Marathon, and PeeWee Marathon

This event takes place in April 2027 at Crab Orchard National Wildlife Refuge near Marion, Illinois. All courses start and end at the new refuge headquarters on Headquarters Road, just west of Rt 148. It is part of the River to River Runners Club Championship Series.

Distances offered:

10 km (6.2 miles) (10k Run)
2.62 miles (Micro-Marathon)
0.262 miles (PeeWee Marathon)

The courses are generally flat with a few small, gently rolling hills. Registration for the listed events opens October 26, 2026 and closes March 28, 2027. Entry fees vary by event and combination; single event fees listed in event materials include $30 for the 10k, $30 for the Micro-Marathon, and $15 for the PeeWee Marathon, with combination entry options also available.

Awards are given to the top three male and female finishers in each five-year age group and to the overall winners. Special awards are planned for participants who compete in all three events. Light refreshments will be provided for participants. Visit the organization's website for the most recent information.