Rock River Madness 2026: Dixon, Illinois

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/

The Rock River Madness 2026: Dixon, Illinois brings an exciting Ultra, 16K, Half-Marathon, 16.1K, 9.7K to Dixon, Illinois on May 2, 2026. Don't miss this beautiful event!