|Date of birth||18 April 1963|
|Place of birth||Regensburg, West Germany|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|SK Sturm Graz (assistant)|
|1988–1990||1. FC Nürnberg||41||(7)|
|1990–1993||1. FC Saarbrücken||44||(9)|
|1990–1994||1. FC Nürnberg||2||(0)|
|1997–2005||1. FC Schnaittach|
|2006||Hannover 96 (assistant)|
|2007||1. FC Amberg|
|2008||1. FC Amberg|
|2008||SSV Jahn Regensburg|
|2009–2012||SK Sturm Graz (assistant)|
|2012||SK Sturm Graz (caretaker)|
|2012–2013||1. FC Kaiserslautern (assistant)|
|2014–||SK Sturm Graz (assistant)|
|* Senior club appearances and goals counted for the domestic league only.
His first senior football club was 1. FC Nürnberg. In 1990, he went to 1. FC Saarbrücken but in 1994 he went back to 1. FC Nürnberg, where he ended his career one year later after 71 appearances in the Bundesliga.
His first club where he was coach was 1. FC Schnaittach. He worked there from 1997 to 2005. In the seasons 2005–06 and 2006–07 he was assistant-coach at Hannover 96.
After two terms at 1. FC Amberg (2006–07 and 2008) he went 2008 to SSV Jahn Regensburg in the 3. Liga (the third highest league in Germany) where he was fired on 24 November 2008. and signed on 11 July 2009 a contract as assistant of Franco Foda by SK Sturm Graz. On 12 April 2012, after the sacking of Franco Foda, Kristl was named as caretaker manager of SK Sturm Graz.
- "Kristl, Thomas" (in German). kicker.de. Retrieved 5 April 2012.
- "Jahn trennt sich von Kristl" (in German). kicker.de. 24 November 2008. Retrieved 24 November 2008.
- "Foda bei Sturm Graz entlassen - Kristl Nachfolger" (in German). handelsblatt.com. 12 April 2012. Retrieved 14 April 2012.
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