Move your body. Shred 'til dead.— the standard, not a slogan
Coaching built for people who train like the terrain — uneven, relentless, never flat. HIIT, strength, resilience, endurance, altitude, and Hyrox conditioning with Sam Miller.
Sam doesn't train from a script — he trains from the trail. Between mountain bike races, foot races, and gym floors, Sam built a coaching style that treats the outdoors as the real gym: unpredictable ground, changing grades, and no two days the same.
Sam coaches HIIT and Shreds classes at Endorphin, and leads Altitude and Arena training at Traverse — two Denver studios, one standard: sessions that mix conditioning, strength, and grit-work for people who want to move better outside the gym, not just inside it.
Whatever you call yourself — foot stepper, hybrid wook, weekend warrior — the standard is the same: show up, shred, repeat.
Two Denver studios, two class formats. Show up to either — or both.
Denver's original community-driven fitness studio — high-energy group classes built around intervals, strength, and pace. Sam's classes here run heavy on output and community energy.
A strength-and-recovery focused studio built for people training for something specific. Sam's Altitude and Arena sessions here focus on building a durable, race-ready engine.
Three lanes, one standard. Pick what matches your terrain — or run all three.
High-output group work built around intervals, load, and pace at Endorphin. Sweat-first sessions for anyone who wants conditioning that carries over to real terrain.
Sam's two training formats at Traverse, tuned for training and competing at elevation. Built for endurance athletes who also want to get strong.
Programming for foot-steppers and mountain bikers chasing their next race — mixing leg strength, engine work, and recovery so race day feels like just another lap.
Sled pushes, sandbag lunges, farmer's carries, and burpee broad jumps — get a personalized Hyrox program built around your race date, not a class schedule.
Book 1:1 Training →
Move your body. Shred 'til dead.— the standard, not a slogan
Races, sessions, and everything between. Follow along for the real feed.
Real words from Sam's classes and sessions.
"The Shreds Class is amazing, but it's Sam Miller who makes it what it is. His guidance, energy, and dedication take the whole experience to another level. His professionalism, enthusiasm, and attention to every participant make the class both challenging and enjoyable."
— Shreds Class, Endorphin"Sam Miller's Shreds Monday class is hands down one of the best classes I've taken. The energy from start to finish is incredible, and Sam does an amazing job keeping everyone motivated and engaged throughout the entire workout. He creates a fun, challenging, and welcoming atmosphere that makes you want to keep coming back every week. The space is great, the vibe is always positive, and you can tell how much effort and passion he puts into every class. Highly recommend taking Shreds with Sam."
— Shreds Monday Class, Endorphin"Sam Miller is the best trainer I have ever worked with."
— 1:1 Coaching Client"I've tried many different classes and trainers. Sam's class is the best — he's the all-time favorite."
— Class MemberTell Sam what you're training for — a race, a season, or just showing up stronger — and he'll build the plan.