Career
Despite showing an interest to ride in the United Kingdom, and attracting the attention of several British clubs, Šitera ruled out riding in the United Kingdom from the start of 2008 due to racing and educational commitments but he signed for the Coventry Bees in July. He rides in Poland for Atlas Wrocław and signed a deal to ride in Sweden for Griparna in 2008. In 2011 and 2012, he is a rider for King"s Lynn Stars.
World Championships
Team World Championship (Speedway World Cup)
2008 - 7th place (2 pts in Event 2)
Individual U-21 World Championship
2007 - Ostrów Wielkopolski
- 9th place (8 pts)
2008 - Pardubice - 16th place (2 pts)
2009 - track reserve in Semi-Final 2
Team U-21 World Championship (Under-21 Speedway World Cup)
2005 - Pardubice - 4th place (4 pts)
2006 - 2nd place in Qualifying Round 2
2007 - Abensberg - Bronze medal (11 pts)
2008 - 2nd place in Qualifying Round 1
2009 - Gorzów Wielkopolski - 4th place (3 pts)
European Championships
Individual European Championship
2008 - Lendava - 14th place (2 pts)
Individual U-19 European Championship
2004 - Rybnik - 12th place (5 pts)
2006 - Goričan - 9th place (8 pts)
2007 - Częstochowa - Bronze medal (10+3 pts)
European Pairs Championship
2008 - started in Semi-Final 2 only
European Club Champions" Cup:
2007 - 3rd place in Semi-Final 2 (8 pts)
Domestic competitions
Individual U-21 Czechoslovakian Championship
2005 - Silver medal
Individual U-19 Czechoslovakian Championship
Individual New Zealand Championship
2006 - Bronze medal
Speedway Series in New Zealand
2006 - 3rd place
Ivan Mauger Golden Helmet.