JUL 31

Endurance Grinder // Thursday - 2025.07.31

Rounds-for-Time Skill Stationary Bike

For Time:


  • 50/40 Calorie Assault Bike
  • 100 Double Unders
  • 40/30 Calorie Assault Bike
  • 80 Double Unders
  • 30/20 Calorie Assault Bike
  • 60 Double Unders

Time Cap: 20 Minutes


Instructions: This workout is designed to test your endurance on the stationary bike and your skill with double unders. Focus on maintaining a steady pace on the bike to conserve energy for the double unders. Scale the double unders as needed to ensure proper form and technique.