6.72 km · 37:03 · 5:30/km · HR 140 avg / 158 max

Execution: plan 35′ Z2 → ran 37:03 (+6 %) · 14 % Z1 / 47 % Z2 / 39 % Z3 · HR 140 avg (Z2 cap 145)

Day 1 of the plan.

Part of week 1 of the 30 km build.