Southern Illinois 10K, Micro-Marathon, and PeeWee Marathon
Marion, IL | Saturday, April 11, 2026Registration Open
*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.
Available Distances
Awards & Prizes
Participant Giveaway
6.2 Miles: T-Shirt
2.62 Miles: T-Shirt
0.262 Miles: T-Shirt
10k Run and Micro-Marathon (2.62 mi): T-Shirt
10k Run, Micro-Marathon (2.62 mi), and PeeWee Marathon: T-Shirt
Micro-marathon and PeeWee Marathon: T-Shirt
3.1 Miles: T-Shirt
Kids’ 1/2 Mile: T-Shirt
Kids’ ¼ Mile: T-Shirt
Registration & Pricing
Distance
Price
Opens
Closes
6.2 Miles
$30.00
Jan 1
Mar 29
$35.00
Mar 29
Apr 11
2.62 Miles
$30.00
Jan 1
Mar 29
$35.00
Mar 29
Apr 11
0.262 Miles
$15.00
Jan 1
Mar 29
$15.00
Mar 29
Apr 11
Past Results
10K
Year
Finishers
Median Time
Fastest Time
2025
70
56:06
41:57
2024
49
56:21
32:48
2022
48
1:01:26
41:58
2021
66
1:01:09
36:08
2019
72
53:36
37:12
2018
38
54:07
39:28
2 Miles
Year
Finishers
Interested in this race?
10k Run and Micro-Marathon (2.62 mi)
$45.00
Jan 1
Mar 29
$45.00
Mar 29
Apr 11
10k Run, Micro-Marathon (2.62 mi), and PeeWee Marathon