Race pace

Zegama-Aizkorri pace calculator

42K · Expected Sun, 16 May 2027 · 42.4 km · 2661 m D+

This distance date is a planning estimate. Pace calculations use the mapped course and do not depend on the schedule.

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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
8h 00
Clock pace
9:12 / km
Finish time including stops.
Moving pace
8:51 / km
What your watch needs while moving.
Effort pace
4:53 / km
Uses climb and descent adjusted distance.
Cutoff buffer
+1h 30
At the selected finish target.
Course from GPX
42.4 km
2661 m D+ · 2310 m D-
Adjusted workload
76.7 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 07:30