From 2011 to 2013, Petr was a member of the Presidium of the Slovak DanceSport Federation and the Head of the Cooperation Department with other trade unions and sections. As of 2015, he is the current President of the Slovak DanceSport Federation. Petr is also the holder of the DanceSport Trainer III class award.Argentine Tango and Salsa. Throughout his competitive career, he danced with partners Danka Kukučková and Michaela Šimková-Podmanická. The dancer was honored to represent Slovakia on 3 continents: Europe, America, and Asia.
Some of Petr's top results dancing the Argentine Tango include becoming a 4-time finalist of the World Championship in 1998, 2000, 2002, and 2004 in Miami (USA), Annecy (France), and Dunaújváros (Hungary). He was also the European Argentine Tango Champion in 2001, the European Vice-Champion in 2000, and a 3-time European Championship Finalist in 1997, 1999, and 2003. At the German Open, Petr took the 1st Place in 2001 and 2nd in 2002. At the World Cup, he was the Argentine Tango Champion in 2000, and 3rd in 2001.
In Salsa, Horacek took the World Cup title in 2001 in Hong Kong.choreographed over 200 compositions presented in 11 regions of the world. He has won more than 40 Slovakian Master titles and 20 Czech Republic International Master titles in Ballroom, Showdance, and Exhibition Choreography. Horachek has also acted as a choreographer for various TV projects including: "Svadba Snov", "SuperStar Search Slovakia", "Bailando", "Miliónový tanec", and "Let's Dance". DanceSport training camps throughout Europe. As a WDSF licensed adjudicator, he regularly represents Slovakia judging various World Championships, Grands Prix, European Championships, WDSF World Opens and many more.
Petr has been a member of Uni-Dance Bratislava Dance Club since 2004, and is now the current dance studio director.
- World Argentine Tango Finalist (1998, 2000, 2002, 2004): Miami (USA), Annecy (France), Dunaújváros (Hungary)
- European Championship Finalist (1997, 1999, 2003)
- European Argentine Tango Vice-Champion (2000)
- European Argentine Tango Champion (2001)
- 2-time World Cup Champion (2000 - 2001)
- World Cup Argentine Tango Finalist - 3rd Place (2001)
- Salsa Master (2001)
- German Open Argentine Tango Champion (2001)
- German Open Argentine Tango Vice-Champion (2002)
- IDO World Argentine Tango Finalist (2002)
- 5-time Argentine Tango Master (1998 - 2002)
- 3-time Argentine Tango International Master of Arts (1998, 2001, 2003)
- Represented Slovakia on 3 continents (Europe, America, Asia)
- 4-time International Master of the Czech Republic
- As a choreographer, won more than 40 Slovakian Master titles and 20 Czech Republic International Master titles in Ballroom, Showdance, and Exhibition Choreography
- Choreographer of various TV projects including:
- "Svadba Snov"
- "SuperStar Search Slovakia"
- "Miliónový tanec"
- "Let's Dance", the Slovak version of "Dancing with the Stars"
- Choreographer (Seasons 1 - 3) (2006, 2008, 2009)
- Supervisor (Season 4) (2010)
- Judge (Season 6) (2017)
- Choreographed over 200 compositions presented in 11 regions of the world
- Danka Kukučková
- Michaela Šimková-Podmanická
- Uni-Dance Bratislava, Dance Studio Director, Member since 2004
- DanceSport Camp Organizer
- Competition Organizer
- Slovak DanceSport Federation, President
- Slovak DanceSport Federation, National Adjudicator
- WDSF Professional Licensed Adjudicator
- WDSF "A" Licensed Adjudicator