Trail de la Vallée du Serein
8 June 2027 · Treffendel (Ille-et-Vilaine)
The races
- 8 JuneTrail 9 km9 km200 m D+
- 8 JuneTrail 23 km23 km650 m D+
Your preparation for Trail de la Vallée du Serein
You have 32 weeks left.
You can start today.
23 km trail · 650 m elevation gain
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I'm starting from scratch
3 runs per week
Your longest run: 2 h 51
Peak elevation gain: 650 m per week
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I've been running for less than a year
3 runs per week
Your longest run: 2 h 51
Peak elevation gain: 650 m per week
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I've been running for more than a year
4 runs per week
Your longest run: 2 h 18
Peak elevation gain: 650 m per week
9 km trail · 200 m elevation gain
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I'm starting from scratch
3 runs per week
Your longest run: 1 h 06
Peak elevation gain: 200 m per week
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I've been running for less than a year
3 runs per week
Your longest run: 1 h 09
Peak elevation gain: 200 m per week
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I've been running for more than a year
4 runs per week
Your longest run: 56 min
Peak elevation gain: 200 m per week
Your preparation
You have 32 weeks left.
Other upcoming races · Ille-et-Vilaine
- Halloween Run 30 October 2026 · Plesder
- La Belle d'Orgères 31 October – 1 November 2026 · Orgères
- Ekiden de Bretagne 1 November 2026 · Saint-Malo
- Biathlon de L'oust 8 November 2026 · Bains sur Oust
- Trail des Chataignes 8 November 2026 · La Baussaine
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