Rock River Madness : Dixon, Illinois
About this race
You'll experience the stunning natural beauty of the Rock River region as you navigate through rolling hills, quaint towns, and fascinating landmarks the area has to offer. Whether you're riding solo, or as part of a team, Rock River Madness is the perfect opportunity to challenge yourself and make new friends!
Come enjoy a nice, early season ride with road courses options of 100k, 50k, or the 16k family fun ride, and trail course options of 13 Mile, 10 Mile, or 6 miles of beautiful off road riding!
Proceeds from this ride will benefit the Dixon Parks District and Rock River Valley Bicycle Club in maintaining the trails.
Must pre-register by April 10th to receive a T-shirt!
100k Start time 7:00am, With the Polo Aid Station open from 7:45am to 9:00am. The first half will bring you back to the start/finish area for your second aid station option, then continuing to the Grasslands Aid Station which will be open from 9:45am to 11:15.
50K Start time 9:00am, with the Nachusa Grasslands Aid Station open from 9:45am to 11:15am.
16K Start time 9:00am.
Morning Trail options starting at 9:30.
Afternoon Trail options starting at 1PM.
16K Road Route:
https://www.mapmyride.com/routes/view/6714178051
50K Road Route:
https://www.mapmyride.com/routes/view/6714183296
100K Road Route:
https://www.mapmyride.com/routes/view/6714193519/
Pick your distance
Cycling
100K Road Ride
50K Road Ride
16K Road Ride
13 Mile Trail Ride - Morning
10 Mile Trail Ride - Morning
6 Mile Trail Ride - Morning
13 Mile Trail Ride - Afternoon
10 Mile Trail Ride - Afternoon
6 Mile Trail Ride - Afternoon
Typical race-day weather
Based on 1 year of Open-Meteo archive data for this event's race dates in Dixon, plus the 3 days either side.
The sun rises at 5:52 AM and sets at 7:57 PM local time (CDT) in Dixon on May 2, 2026 — 14h 05m 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.
Reviews
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Other races near Dixon
Different organizers, within 40 miles, in the next three months
Cook Cancer 5K Run/Walk
Sauk Valley Apple Cider Run
Rock Falls First Responder 5k
Valor 111 challenge
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, 3 Dixon events
Spotted something wrong? Tell us and we'll fix it.