Jim Rutberg
Jim Rutberg has written at least 2 books. Their most popular book is The Time-Crunched Cyclist: Race-Winning Fitness in 6 Hours a Week with 1 save with an average rating of -⭐.
Jim Rutberg has written at least 2 books. Their most popular book is The Time-Crunched Cyclist: Race-Winning Fitness in 6 Hours a Week with 1 save with an average rating of -⭐.
 Training Essentials for Ultrarunning: How to Train Smarter, Race Faster, and Maximize Your Ultramarathon Performance
| 1 read |
 The Time-Crunched Cyclist The Time-Crunched Cyclist: Race-Winning Fitness in 6 Hours a Week
| 1 read |