Race Overview: A race coming up on 2026-10-11 in Oklahoma City, OK. Get all the nerdy details below or follow the sign up links to secure your spot today!
🚴♂️Groucho’s Grind! Race 5 of the 2026 Tour de Dirt doesn’t SCIP a thing—get ready for some of the fastest singletrack in Oklahoma at the SCIP Recreational Trails. Don’t let the smooth terrain and fabulous flow fool you. This course will test your legs, your lines, and your limits.
About Tour de Dirt Tour de Dirt is Oklahoma’s premier mountain bike championship series—run by racers, for racers. Our mission is to host an annual series of competitive cross‑country (XC) mountain bike races where riders earn points throughout the season and compete for series awards across age groups and skill levels.
Fun fact: Tour de Dirt is the longest‑running mountain bike race series in the United States.
🏁 How to Race All racers—adults and Kids Kup—must purchase a season plate with an integrated timing chip (unless lost or damaged). 👉 Buy your plate here: Series Race Plate
Schedule of Events & Start Times Sunday, October 11
Kids Kup ⏰ 9:00 AM 🔁 Approx. 1‑mile laps (distance varies by age group)
Cat 3 Race ⏰ 10:00 AM 🚴 Categories: Novice, Clydesdale, Juniors 📏 Distance: 14 miles
Cat 1 Race ⏰ 11:30 AM 💪 Categories: Cat 1 Men 📏 Distance: 28 miles
Cat 2 Race ⏰ 11:45 AM 🚴 Categories: Cat 2, Single Speed, E‑bike, 60+ Open, and a combined start for Cat 1 & Cat 2 Women 📏 Distance: 21 miles
