Grzegorz Banaś about Beat Knechtle on akademiatriathlonu.pl:
There is no athlete who has completed more full distances than Beat Knechtle. The ultra-triathlete recently won his last competition and retired from this sport. He leaves behind several unofficial world records.
The entire article can be found at the following link: https://akademiatriathlonu.pl/beat-knechtle-emerytura/?fbclid=IwAR1mfRQ35DL6jTMjPN5fSReZiJzimnsCCJoR-77leESfmG2_Zb7CB1hDXEk