Career
Šimůnek"s son, Radomír Šimůnek, Junior. is also a cyclo-cross cyclist. The earnings he garnered from international matches in Belgium and the Netherlands were paid to the Czechoslovakia Cycling Union and Šimůnek did not receive his winnings. In 1992 he was sentenced to 18 months in prison for causing a traffic accident that killed three people.
He received a presidential pardon four months into his sentence.