Race pace

Ultra-Trail Snowdonia by UTMB pace calculator

UTS 100K · Sat, May 16, 2026 · 106 km · 5400 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
32h 30
Clock pace
15:38 / km
Finish time including stops.
Moving pace
15:13 / km
What your watch needs while moving.
Effort pace
10:05 / km
Uses climb and descent adjusted distance.
Cutoff buffer
+4h 52
At the selected finish target.
Course from GPX
106.0 km
5400 m D+ · 0 m D-
Adjusted workload
160.0 effort-km
100 m climb = 1 km; 300 m descent = 1 km.
Hardest block
Loading
Split plan will appear below.

Course-aware split plan

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

Start 05:30