|Full name||Krasimir Ivanov Kostov|
|Date of birth||11 February 1995|
|Place of birth||Petrich, Bulgaria|
|Height||1.86 m (6 ft 1 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 20 December 2019|
Kostov started to play football in the local side of his home village Kolarovo, Petrich Municipality. In 2007, when he was 12 years old, he joined Pirin 2001 Football Academy, where he honed his footballing skills.
In January 2014, Kostov signed with B Group club Pirin Razlog. He made his senior debut on 12 April 2014, keeping a clean sheet in a 3–0 home win over Haskovo. Kostov ended the season with 5 clean sheets out of 7 appearances.
In June 2014, Kostov joined Pirin Blagoevgrad. His first season with Pirin went very well and he had kept clean sheets in 14 of his 18 appearances, helping the club to win promotion to the A Group. On 9 July 2015, Kostov signed his first professional contract in his career. He made his A Group debut in a 1–1 home draw against Cherno More Varna on 19 July 2015.
- As of 5 March 2018
|Pirin Razlog||B Group||2013–14||7||0||0||0||–||–||7||0|
|Pirin Blagoevgrad||B Group||2014–15||18||0||1||0||–||–||19||0|
- Includes Bulgarian Supercup matches.
- "Красимир Костов – по стъпките на дядо си и Мирослав Митев" (in Bulgarian). temasport.com. 25 November 2015.
- "Пирин подписа с всички състезатели" (in Bulgarian). pirinfc.com. 9 July 2015. Archived from the original on 26 November 2015.
- "Краси Костов подписа с Ботев Враца" (in Bulgarian). struma.com. 21 June 2018.
- Krasimir Kostov at Soccerway
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