"Big boy" Half Marathon specific workout training in Boulder, Colorado on May 9th 2021. The session: 1km hard, 5km tempo, 1km hard, 5km tempo, 1km hard with 3min recovery
top of page
bottom of page
"Big boy" Half Marathon specific workout training in Boulder, Colorado on May 9th 2021. The session: 1km hard, 5km tempo, 1km hard, 5km tempo, 1km hard with 3min recovery