Boulder, CO
A competitive, elite post-collegiate training group based in Boulder. Serious athletes, structured sessions, and the camaraderie of training alongside people who push each other to be better.
Visit RunBoulder.orgRunBoulder is Kathy Butler's competitive post-collegiate running group based in Boulder, Colorado. Focused on high-performance training, RunBoulder hosts structured track sessions, workouts, and group runs — catering to track, road, trail, and cross country athletes alike.
Group training is a proven path to performance — the structured environment, consistent accountability, and competitive atmosphere push track and road athletes to reach new levels.
The group draws post-collegiate track specialists, road racers, ultra runners, and triathletes training side by side under one coaching philosophy: no cookie-cutter programs. Athletes currently training with Kathy have qualified for the Olympic Trials, won U.S. titles, and finished on the podium at races like the Leadville 100. That doesn't make the group exclusive. What matters is showing up ready to work.
Boulder's 5,430-foot elevation is part of the training, not just scenery. Sessions mix structured track work, tempo runs, and long runs across Boulder's trails and roads. Kathy has raced and coached at this elevation for two decades and builds altitude adaptation into every athlete's plan, whether you train here year-round or are just in town for a few weeks.
Prefer 1:1 attention over a group setting? Kathy also offers in-person coaching in Boulder.
Learn more at RunBoulder.org5,430
Feet altitude
in Boulder
Elite
Competitive
post-collegiate
Try it
Drop-ins
welcome
🏟️
Track, trails
& roads
A serious, performance-focused group of post-collegiate athletes, coached by Kathy at a high level.
Train on the track and run the trails and roads of Boulder.
Benefit from Kathy's experience as a 2x Olympian — pick up tips on form, pacing, altitude training, and race preparation.
Consistent weekly sessions built around each athlete's goals. Get in touch and Kathy will walk you through current days, times, and meeting points.
Running with others makes the miles fly by. Group training is proven to push you further than you'd go alone.
Can't make it to Boulder? Kathy coaches athletes worldwide with fully personalised online training plans.
Ongoing membership pricing is discussed directly with Kathy once you know it's the right fit.
Sessions typically include track workouts, tempo runs, and group long runs across Boulder's trails and roads. Exact days, times, and meeting points are arranged directly once you get in touch, since training is built around each athlete's goals and schedule rather than one fixed public timetable.
Boulder sits at 5,430 feet, and sessions cover a mix of track, road, and trail. Kathy has raced and coached at this elevation for two decades and builds altitude adaptation into every athlete's training, whether you live in Boulder year-round or are just visiting.
No. RunBoulder trains in person in Boulder, but if you can't join the group on-site, Kathy's online coaching offers the same individualized plans, feedback, and communication remotely, anywhere in the world.
Drop-ins are welcome. Come try it out for a few weeks and see if it's the right fit before deciding. Contact Kathy to arrange your first session.
RunBoulder is a competitive group for driven athletes who want to race and improve. You don't need a college running background, but you should be ready to work. If you're unsure whether it's the right fit, reach out and we'll talk it through.
Kathy coaches runners all over the world through her online coaching programs. Whether you are in New York, London, or anywhere else, you can benefit from world-class coaching delivered remotely — personalized training plans, regular communication, and ongoing performance analysis.
Explore Online Coaching Plans