The 12 hour record, solo and unpaced is 452.196 km (280.9 miles) by Marko Baloh (Slovenia) at the Novo Mesto Velodrome, Slovenia on 31 August 2002.
The 12 hour record, solo and unpaced is 452.196 km (280.9 miles) by Marko Baloh (Slovenia) at the Novo Mesto Velodrome, Slovenia on 31 August 2002.