Race pace

Istria 100 by UTMB pace calculator

168K · Fri, April 2, 2027 · 168.2 km · 7140 m D+

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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
45h 00
Clock pace
13:39 / km
Finish time including stops.
Moving pace
13:23 / km
What your watch needs while moving.
Effort pace
9:23 / km
Uses climb and descent adjusted distance.
Cutoff buffer
+6h 45
At the selected finish target.
Course from GPX
168.2 km
7140 m D+ · 0 m D-
Adjusted workload
239.6 effort-km
100 m climb = 1 km; 300 m descent = 1 km.
Hardest block
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Split plan will appear below.

Course-aware split plan

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

Start 17:00