Kab-hegy hosts this late-June Hungarian bike-orienteering competition, combining the national relay championship with the national middle-distance championship and a Magyar Kupa round. Veszprémi Honvéd Sportegyesület organizes the weekend, listed in the MTFSZ database as a competition.
The first day is the Váltó OB, where riders compete for relay national titles in teams. The second day is the Középtávú OB, a middle-distance national championship where each rider navigates and paces themselves. The venue is at 47.051621, 17.650637 on Kab-hegy, with an older Kab-hegy bike-orienteering map file available for the area.