
From the Organizer
🚴♂️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 a nonprofit mountain bike race series run by racers for racers, celebrating Dirt. Community. Oklahoma. We host competitive, timed XC races across Oklahoma, with divisions for all ages and skill levels. A core part of our mission is Kids Kup, our youth program for riders 12 & under that helps grow the next generation of Oklahoma cyclists. As the longest‑running mountain bike series in the U.S., Tour de Dirt is proud to support local trails, riders, and communities across our state.
🏁 How to Race
All racers are required to make a one‑time $25 purchase for a season race plate with an integrated timing chip (replacements only needed if lost or damaged). Please note: this purchase is separate from race registration. 👉 Still need yours? Be sure to grab your Tour de Dirt plate before race day
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
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
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