On Z10 – 10k

What this race demands

The On Z10 is a 10-kilometer road race held on the downtown streets of Zurich, requiring sustained high-intensity running speed over a flat or moderately rolling urban course.

What would it take you?

Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.

A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.

IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal

Your road to race day

Race day at On Z10 – 10k is 33 weeks away. This is how a coach divides that time. The first phase starts now.

1. 01Base21 weeks · Aug 24, 2026 – Jan 17, 2027

   Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.

2. 02Build6 weeks · Jan 18, 2027 – Feb 28, 2027

   Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.

3. 03Peak3 weeks · Mar 1, 2027 – Mar 21, 2027

   The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.

4. 04Taper2 weeks · Mar 22, 2027 – Apr 4, 2027

   Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.

5. 05Race week1 week · Apr 5, 2027 – Apr 11, 2027

   Openers, rest and logistics. The work is done; the job now is arriving fresh.

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