Race Discovery
Southern Illinois 10K, Micro-Marathon, and PeeWee Marathon
Southern Illinois 10K, Micro-Marathon, and PeeWee Marathon logo

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

Marion, Illinois, United States View on map
Apr 10, 2027 (America/Chicago local time)
Running

About this race

  *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. 

Pick your distance

Running

10k Run

Apr 10, 2027 10K 7:30 AM
$30.00
Open

2.62 mi Micro Marathon

Apr 10, 2027 4.2K 9:30 AM
$30.00
Open

0.262 mile PeeWee Marathon

Apr 10, 2027 0.4K 10:30 AM
$15.00
Open

10k Run and Micro-Marathon (2.62 mi)

Apr 10, 2027 10K 7:30 AM
$45.00
Open

10k Run, Micro-Marathon (2.62 mi), and PeeWee Marathon

Apr 10, 2027 10K 7:30 AM
$50.00
Open

Micro-marathon and PeeWee Marathon

Apr 10, 2027 Micro-marathon and PeeWee Marathon 9:30 AM
$35.00
Open

Typical race-day weather

Based on 10 years of Open-Meteo archive data for this event's race dates in Marion, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 17.3° / Maximum temperature (race-week average) 27.8°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 16.9° / Maximum feels like — heat index / wind chill (race-week average) 31.7°
Peak wind (km/h)
Strongest wind of the day (race-week average)
18.0
Precip (mm)
Precipitation over the day (race-week average)
2.2mm
Humidity
Mean relative humidity (race-week average)
65.6%
Sunrise
Sunrise at the start line on April 10, 2027 (CDT)
Sunset
Sunset at the start line on April 10, 2027 (CDT)
Daylight
Hours between sunrise and sunset on race day
12h 59m

The sun rises at 6:27 AM and sets at 7:26 PM local time (CDT) in Marion on April 10, 2027 — 12h 59m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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

2026 edition View Results
2025 edition View Results
2024 edition View Results
2022 edition View Results
2021 edition View Results
2020 edition View Results
2019 edition View Results
2018 edition View Results

Other races near Marion

Different organizers, within 40 miles, in the next three months

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 9 Marion events

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