Durabilityby Darren Ware
← The training log

Run · Tuesday, 18 August 2026

Run, 5 miles

32 weeks to MDS

My write-up for this run isn't up yet. Everything the watch recorded is below.

Distance
5 mi
8.1 km
Moving time
1h 01m
started 18:03
Average pace
12:07
per mile
Heart rate
122
average · max 144
Climb
318 ft
97 m
Conditions
–
62% humidity

Mile by mile

MilePaceAvg HRClimb
112:35118121 ft
211:2112020 ft
313:16123128 ft
412:1012246 ft
511:2112613 ft

Figures from my watch via Intervals.icu, read by the Ultra Event Training app. Heart rate from a watch is a proxy for effort, not a lab measure. The efficiency figures compare speed per heartbeat early and late in a run with a hill correction; they show what changed, not the cause.

Run, Tuesday, 18 August 2026 | The Coach's Lab | Durability