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

Sat, Apr 11, 2026, 7:30 AM CDT

Location: Marion, IL; 6987 Headquarters Road, 62959
Type: RUN

At a glance

Challenge yourself in the River to River Runners Club Championship Series 10K, Micro-Marathon, and PeeWee Marathon on a flat course with prizes.

Competitive
Quirky

Great for: runners who like a competitive edge

Less ideal for: walkers-only pacing

Join the Southern Illinois 10K, Micro-Marathon, and PeeWee Marathon in Marion, IL, an official River to River Runners Club Championship Series event. Set within the Crab Orchard National Wildlife Refuge, the courses offer a mostly flat profile with gentle rolling hills. Runners can compete for prizes awarded to the top three male and female finishers in each five-year age group, plus overall winners. Special awards await those who complete all three unique distances. Early registrants are guaranteed a T-shirt, and light refreshments will be available.

What to expect

Run a flat course with gentle rolling hills at the Crab Orchard National Wildlife Refuge.
Compete for prizes awarded to overall and age group winners.
Receive a guaranteed T-shirt with early registration and enjoy light refreshments.

Standout details

River to River Runners Club Championship Series
Flat course with gentle rolling hills
Prizes for overall and age group winners
Special awards for completing all three events

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

6 options

Registration for all distances is through the official signup link above.

0.262 Miles
Sat, Apr 11, 10:30 AM CDT · From $17.72
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT
2.62 Miles
Sat, Apr 11, 9:30 AM CDT · From $33.77
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT
6.2 Miles
Sat, Apr 11, 7:30 AM CDT · From $33.77
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT

+ 3 more options

10k Run and Micro-Marathon (2.62 mi)
Sat, Apr 11, 7:30 AM CDT · From $49.81
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT
10k Run, Micro-Marathon (2.62 mi), and PeeWee Mara…
Sat, Apr 11, 7:30 AM CDT · From $55.16
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT
Micro-marathon and PeeWee Marathon
Sat, Apr 11, 9:30 AM CDT · From $39.12
Opens Dec 31, 2025, 7:00 PM CST · Closes Mar 28, 2026, 7:59 PM CDT

Vibe Check

Easygoing

Based on terrain, weather, and distance data.

The course

Flat
Timed race

From the organizer

*This is a River to River Runners Club Championship Series event!*

The 10k run is set for 7:30am on Saturday, April 11 at the Crab Orchard National Wildlife Refuge.

The Micro Marathon will start at 9:30 am, and the PeeWee Marathon will start at 10:30 am.

Check-in and race day registration begins at 6:30am.

All courses start and end at the new refuge headquarters located on Headquarters Road, just West of Rt 148.

The courses are flat with a few small, gently rolling hills.

All race participants registered by March 29th are guaranteed a T-shirt. There are also prizes for the top three male and female runners in each five-year age group, as well as the overall winner.

There will be special awards for participants who participate in all three events.

Light refreshments will be provided.

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