This is the instructional & follow-along video for the 2024 X31, a progression from X25 (return to that if needed). See companion PDF's for workout ouline and training calendar. Please ask any questions & make your post-workout report in the comments section below.

BONUS Custom Interval Timer:
https://www.intervaltimer.com/shared/ghdtB1T6s9DbdlnivIr7-X31