General Info
GYM N°5 builds strength for endurance athletes in Gunbarrel, Boulder — runners, triathletes, cyclists, and trail athletes. Strength work that supports your sport instead of competing with it.
Targeted strength training improves economy, builds durability, and reduces the overuse injuries that come with high training volume. Programming is structured around your race calendar and your key sessions, so the work in the gym makes the work in your sport better.
Membership is application-only and capped, with 24/7 access — train around your long runs and ride schedule.
Complete the pre-application to book a tour.
One-on-one strength coaching for endurance athletes at GYM N°5 in Gunbarrel, Boulder. In-person sessions on lifting technique and the strength movements that support running, riding, and racing.
Coaching is planned around your race calendar — strength periodized through base, build, and taper, with durability work to keep you healthy through high training volume.
Sessions are programmed around your sport and your key events.
Complete the pre-application to book a tour.
THICK endurance strength coaching delivers custom strength programming through the Team Thick Training app. No membership or travel required.
Your strength work is periodized around your race calendar — base, build, and taper — so it complements your run, ride, and swim volume instead of interfering with it. Weekly check-ins, video form review, and direct contact with your coach.
Complete the pre-application and download the Team Thick Training app to start.
TEAM THICK ENDURANCE
Endurance Coaches
KeithSPLTY: STRENGTH FOR ENDURANCE
Kaytee SiglerCOACH / Trainer
RandySPLTY: OLYMPIC WEIGHTLIFTING
Sarah BrookmanCOACH / Trainer
Zach NelsenCOACH / Trainer
Alex LuisCOACH / Trainer
Coaching
If you are interested in endurance strength coaching, complete the pre-application.