In 83 days · Sat, Jan 23, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, January 23rd, 2027
301 Obernuefemann Rd, O'fallon IL
5K
23–39°F · low rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2026
4–26°F
dry
2025
13–30°F
dry
2024
34–47°F
rain
2023
32–44°F
dry
2022
22–40°F
dry
2021
20–39°F
dry
2020
31–37°F
rain
2019
22–46°F
rain
2018
32–37°F
dry
2017
39–44°F
dry
Best months to race in Illinois →
About this race
The Cabin Fever Winter Series presented by Final Lap Racing
Final Lap Racing is excited to host the first winter running series in the St. Louis Metro-East. This four road race series highlights parks across the region and encourages residents to stay active through the coldest months of the year while promoting health, fitness, and fun for all ages and abilities.
Race Dates
- January 23d, 2027 – 5 Miles – O’Fallon Family Sports Park, O’Fallon, IL
- January 30th, 2027 – 4 Miles – O’Fallon Family Sports Park, O’Fallon, IL
- February 6th, 2027 – 5K - Clinton Hills Conservation Park, Swansea, IL
- February 27th, 2027 – 3 Mile – Tri-Township, Troy, IL
Registration Fees
Series Fee
- Now to Dec 19th - $80
- Dec 20th - Jan 22nd - $90
- Race Day - Jan 23rd - $105
Individual Race Fee
- Until 1 Week before race - $20*
- Race Week - $25*
*Swag apparel item NOT included but may be purchased as an add-on.
Swag
Series Swag
Series participants will receive a finisher’s medal and a Cabin Fever Series sweatshirt with registration.
Single Race Swag
Individual race participants will receive a finisher’s medal for the race they complete. A Cabin Fever Series sweatshirt may be purchased for an additional cost.
Series Awards
All participants will receive a custom finisher medal for each race they complete in the series.
Series Scoring -
Series participants earn points based on their age‑group placement at each race. The top three finishers in each age group and non‑binary division at the end of the series will receive a custom Cabin Fever Series award.
To earn series points and be eligible for series standings, participants must be registered for the entire series and complete all four races. Individual race participants do not earn series award points. Age on January 23, 2027 determines division placement.
Age Groups: 9 & under, 10–15, 16–19, 20–24, 25–29, 30–34, 35–39, 40–44, 45–49, 50–54, 55–59, 60–64, 65–69, 70–79, and 80+. Age on January 23, 2027 determines age‑group placement.
Points are awarded based on age‑group placement:
- 1st – 50 points
- 2nd – 45 points
- 3rd – 40 points
- 4th – 35 points
- 5th – 30 points
- 6th – 25 points
- 7th – 20 points
- 8th – 15 points
- 9th – 10 points
- All remaining finishers receive 5 points.
Course map
Train with a club
Run clubs near O'fallon to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.