 Complete the following phrase:  He was a three-time participant at the European Athletics Championships 1966, 1971, 1974 and was part of the gold medal-winning team in the 4 × 100 metres relay at the 1971 European Athletics Championships, running alongside Ladislav Kříž, Jiří Kynos, and Luděk Bohman. He was also a relay silver medallist at the 