
Cabin Fever Winter Running Series is a running race on January 23 – February 27, 2027 in O'Fallon, IL, with entry fees from $20 to $80.
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.
Series Fee
Individual Race Fee
*Swag apparel item NOT included but may be purchased as an add-on.
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.
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:
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
43°
Typical Low
24°
Chance of Rain
23%
Based on US Climate Normals data from Belleville Siu Rsch, 7 mi from the venue.
Nearest Airport
BLV
Scott AFB/Midamerica Airport · 6 mi
Major Hub
STL
St. Louis Lambert International Airport · 26 mi
Time Zone
Central Time
From Endurance Grid
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Cabin Fever Winter Running Series
Jan 23, 2027