Two 5.14d First Ascents in 75 Minutes


Pirmin Bertle made two 5.14d first ascents on March 30: Chromosome Y and Chromosome X at the Tribune in Switzerland. These are his sixth and seventh 5.14d ascents. Each climb took him about 40 attempts; the day he sent, he finished Chromosome X at 7:00 p.m. and Chromosome Y at 8:15 p.m. Read more at