Race pace

Istria 100 by UTMB pace calculator

69K · Sat, 3 April 2027 · 69.6 km · 2331 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

15h 00

Hours Minutes Stopped min

Clock pace

10:59 / km

Finish time including stops.

Moving pace

10:34 / km

What your watch needs while moving.

Effort pace

7:19 / km

Uses climb and descent adjusted distance.

Cutoff buffer

+2h 15

At the selected finish target.

Course from GPX

69.6 km

2331 m D+ · 2230 m D-

Adjusted workload

100.3 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