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Trail Mix Off-Road Duathlon and Mountain Bike Race

Sun October 1, 2023 Rockford, IL 61109 US Directions


7074 Rydberg Rd
Rockford, IL US 61109


This year we are hosting an off-road duathlon and a mountain bike race on the same day! Two distances for each event.

The Trail Mix duathlon is a 2 mile run, 10 mile bike, 2 mile run (individual or team of 2 people, 1 runner and 1 biker)

The Half Mix duathlon is a 2 mile run and 5 mile bike. 

The Trail Mix Competitive mountain bike race is 20 miles

The Trail Mix Sport mountain bike race is 10 miles.

Sign up for both a duathlon and a mountain bike race and receive a 25% discount at checkout!

The run loop is at and goes clockwise. The bike loop is at and goes counter-clockwise. Both courses and transition will be thoroughly marked.

All of the events are at the Atwood Park Trail System, 7074 Rydberg Rd, Rockford, IL 61109. Both runs and the ride will be on the off-road trails. A mountain bike is strongly recommended. Sign up as an individual or a team consisting of 2 people. Professional chip timing by Tri-3 Sports Timing. Your entry includes a custom finisher medal, custom Purist water bottles, your choice of meal from the Easy Tiger 815 food truck and the first 150 sign ups get ice cream from Dairyhäus on site! There's not any packet pickup to worry about ahead of time. Pre-racing meeting for the duathlon will be at 8:45am. You must be checked in before then. The MTB course will be open for pre-riding at 11a with non race course trails open all day. Pre-race meeting at 11:45a. We will cap the total duathlon entries at 110 and the total mountain bike entries at 100.

100% of proceeds for the duathlon will be donated to trail building at Atwood Park.

This event is co-hosted by Rock River Multisport and Rockford Area Mountain Biking Alliance. Artwork donated by Aaron Johnson of Aaron Branding at

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