Check out Sam's Linktree:
daidalosathletics.com/linktree
Follow him on Instagram:
https://www.instagram.com/coachsamchang/
Listen to the Peter Attia Drive Pod episode on Zone 2 training:
https://open.spotify.com/episode/5RchtEjZTSZMB3ZQyNnaOX?si=65c6723f424844b5