Run

Fartlek / Closer

MId-Distance : 8k w. 3/3 nasal breathing for the final 2k (:30 repetition pace , w. 1:30 second running recovery)

Marathon : 10k w. 3/3 nasal breathing for the final 3k (:30 repetition pace , w. 1:30 second running recovery)

Ultra : 12k w. 3/3 nasal breathing for the final 3k (:30 repetition pace , w. 1:30 second running recovery)

Cool Down

Core X is a simple routine - 10 exercises, 30 seconds each exercises; 5 minutes total. While it is short and sweet, it is also very challenging.