Critical Speed for Runners: What It Is and How to Train With It
Critical speed is the fastest pace you can hold without fatigue running away from…
The Interval Training Mistakes Most Runners Make (It’s the Recovery)
How long to rest between reps depends on how fast the reps are. Recovery…
Katsuo Stamina for Ultramarathons: How Many Tablets to Carry and When
The Katsuo Stamina label schedule for ultras and long trail races, worked out for…
Recovery After a Marathon or Ultra: How Long It Takes and What Actually Helps
Leg soreness after a long race usually peaks one to three days later. What…
How to Use Katsuo Stamina: Dosing by Sport and Distance
The current Katsuo Stamina schedule for running, trail, cycling, climbing, swimming and rowing, plus…
