hat
Yo itilize pou: Entèval, travay ti mòn, ak travay tèmpo; anjeneral yo itilize apre kèk tan Zòn 4 deja fè. Zòn 5 antrennman yo trè kout paske li se difisil yo kenbe nivo sa a pou nenpòt longè tan.
eng
Used for: Intervals, hill work, and tempo work; typically used after some Zone 4 time has already been done. Zone 5 workouts are very short because it is difficult to maintain this level for any length of time.