Jenna Dornseif

Serious spin enthusiast and all around fitness fanatic! She believes in pushing yourself past your limits by bringing creative, fast pace and fat burning rides on the bike. When Jenna is not in the saddle she can be found volunteering, soaking in the Internet or working on her passion for good wines.

Lover of sports, outdoors and everything Colorado!



Jenna Dornseif instructs the following:
  • MOTOR (CYCLE)
  • Maximize calorie burn, build core strength and increase stamina in MOTOR(CYCLE). A mash-up of cycling, strength training and conditioning drills, where no two workouts are ever the same. Get ready to mix it up with weights, resistance bands, kettle bells, TRX straps and a whole lot more. After class, shake it off in our “whimpering room.”

  • CYCLE + CORE
  • Its all in the name. Half cycle, half core burning! BOOM...  designed as a sweat-fest combination of intense cycle conditioning followed by core isolating moves to improve stability and posture leaving you with a tight and toned midsection!

  • CYCLE + PILATES
  • Where can you get sprint intervals and grueling climbs of a killer cycle class along with the core shredding, booty building, thigh sculpting perks of Pilates? Look no further than Cycle Pilates. Improve posture, stamina, and flexibility, and achieve ultimate control and balance within your body with this heart pounding fusion class.

  • BIKE & BARRE
  • Build endurance, strength, and long lean muscles. Dynamic cardio sequences get your heart pumping on the bike and at the barre, targeting the seat, legs, abs, and arms, for sculpted and elongated muscles and a trim and toned physique. There’s never a dull moment as you hit maximum calorie burn - zoning out is not an option.

  • CYCLE
  • NOT another spin class…Hop on a REBEL CYCLE for an unpredictable, challenging and fun ride full of hardcore interval drills mapped for endurance, power and speed.