Hence the output.

Breakdown of Kyle Skaggs’ record breaking Rim to Rim to Rim run:

1:02 S. Kaibab to N shore of CO river, via Bright Angle bridge (6.7 miles, 4700′ down)
1:00 N. Shore to Cottonwood Campground (7.1 miles, 1600′ up)
1:36 CCrd to N. Rim (6.9 miles, 4200′ up)
3:38 elapsed

0:02 layover on N. Rim
1:02 N. Rim to CCrd
1:08 CCrd to N. Shore
1:47.59 N. Shore to S. Kaibab TH
3:59.59

7:37 (really 8) total!

Interesting things to think about: getting tired at the end, just how much faster (or not!) running back down is, 43.8 vertical feet per minute up to the north (and a slightly faster average up to the south!). That’s a very fast rate of climb, but not insane.

I’ll keep data tomorrow and see what happens.