Generali Run The Sun – Ascona-Locarno-Marathon

What this race demands

This marathon requires sustained cardiovascular endurance across 42 kilometers of road running in early March. Athletes must maintain steady pacing and manage hydration and nutrition over an extended period.

A sustained effort of this duration requires consistent intake of 60 to 90 grams of carbohydrates per hour to maintain glycogen stores and performance.

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 Generali Run The Sun – Ascona-Locarno-Marathon is 28 weeks away. This is how a coach divides that time. The first phase starts now.

1. 01Base16 weeks · Aug 24, 2026 – Dec 13, 2026

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

2. 02Build6 weeks · Dec 14, 2026 – Jan 24, 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 · Jan 25, 2027 – Feb 14, 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 · Feb 15, 2027 – Feb 28, 2027

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

5. 05Race week1 week · Mar 1, 2027 – Mar 7, 2027

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

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