Give it a TRI Thursday: Runner's Edition

Calling all runners? Give this  Basic Aerobic Running Test a TRI!

Warm Up:

20min at easy/moderate effort, soft surface if possible, include drills + Stride outs.

Main Set:

17min @ a set heart rate 2-5bpm lower than predicted LT heart rate,

use the first 2 min to get up to the correct heart rate then measure distance covered in the 15min over a flat course.

Remember to record distance and the heart rate it was done at.

Warm down with remaining time.