This is how 9b + climber William Bosi trains

The 22-year-old Scot William Bosi is one of the strongest climbers in the world. With the first ascent of King Capella (9b + / 9b) at the latest, Bosi moved into the international spotlight. In this video the guys from Lattice Training accompany him and show a typical training session by Bosi.

The "Schoolroom" in Sheffield is the legendary training temple of Ben Moon, the inventor of the moon board. In this video, Will shows us a typical session on the training board, in which he uses classics like Perky Pinky (8b) or lines like Pinky Perky (8b) from Alexander Megos. tried.

Video: Training session with Will Bosi

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Credits: Cover picture Lattice training

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From 8C to 9A: Matthew Mendes replays Realm of Torment

This week, 20-year-old Briton Matthew Mendes made the second ascent of Will Bosi's "Realm of Tor'ment" (9A) in the Peak District. It is his first boulder problem of this grade – after only five years of climbing outdoors and indoors.

Climbing and knee problems: where they come from and how to prevent them

Knee pain is common among climbers. Klaus Isele explains what to do in case of knee pain.

A tie in the final: The decision at the German Lead Championships 2026 was that close.

Anna Maria Apel (cover photo) and Yannick Nagel remain Germany's number one in lead climbing. Both successfully defended their titles at the German Championships in Darmstadt. While Apel had to wait anxiously until the very last moment, Nagel set the decisive mark in the men's competition.