MX Open - Free practice2013 | Motocross | Polish ChampionshipMistrzostwa Polski V runda MX Open - Stryków, 7 July 2013
Margin of victory +4.522 Average speed 44.213 km/h Best speed 46.511 km/h Best time 2:13.129 Best lap by #12 Piotr Dereń Run duration 19:01 - 19:15 (14 m 3 s) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||