Race pace

Kodiak Ultra Marathons by UTMB pace calculator

21K · Sat, 10 October 2026 · 21.7 km · 640 m D+

Race-day pacing plan

Set a finish target and stopped-time budget, then use the GPX-derived split table for where the course should feel slow or runnable.

Official cutoff

5h 00

Hours Minutes Stopped min

Clock pace

11:45 / km

Finish time including stops.

Moving pace

11:23 / km

What your watch needs while moving.

Effort pace

8:09 / km

Uses climb and descent adjusted distance.

Cutoff buffer

+45 min

At the selected finish target.

Course from GPX

21.7 km

640 m D+ · 653 m D-

Adjusted workload

30.3 effort-km

100 m climb = 1 km; 300 m descent = 1 km.

Hardest block

Split plan will appear below.

Five-kilometer blocks from the GPX, weighted by climb and descent load.

Start 09:00