You build your strength and speed for a 5k. You develop endurance for a marathon. What do you do for a 15k and why is it so hard? These training tips will help.
Tag: 15k
ANDREY ABLAMUNETS
ANDREY ABLAMUNETS
You build your strength and speed for a 5k. You develop endurance for a marathon. What do you do for a 15k and why is it so hard? These training tips will help.
