Introduction
Kliment Andreyevich Kolesnikov (Russian: Климент Андреевич Колесников; born 9 July 2000) is a Russian swimmer. He holds world junior records in nine events: 50/100/200 back in long course, as well as 100/200 free, 50/100/200 back and 100 IM in short course.
He made his debut at the 2017 World Aquatics Championships, where he competed in three backstroke events and set two world junior records. In December 2017, he set a short course 100m backstroke world record at Vladimir Salnikov Cup, becoming the first swimmer born in the 2000s to hold a world record in an individual event.
He won a total of six medals (3 gold, 2 silver and 1 bronze) at the 2018 European Championships and established a new 50m backstroke world record.
At the 2018 Summer Youth Olympics, Kolesnikov was chosen the flag bearer for Russia. He won a total of six gold medals there.
Personal bests
| Event | Time | Location | Date | Note |
|---|---|---|---|---|
| 50 m backstroke (LC) | 24.00 | Glasgow | 4 August 2018 | WR, WJR, ER, NR |
| 100 m backstroke (LC) | 52.53 | Glasgow | 8 August 2018 | WJR |
| 200 m backstroke (LC) | 1:55.14 | Budapest | 28 July 2017 | WJR |
| 100 m freestyle (LC) | 48.04 | Buenos Aires | 9 October 2018 | r |
| 50 m backstroke (SC) | 22.64 | Glasgow | 8 December 2019 | r |
| 100 m backstroke (SC) | 48.90 | Saint Petersburg | 22 December 2017 | WJR, ER, NR |
| 200 m backstroke (SC) | 1:48.02 | Copenhagen | 13 December 2017 | WJR |
| 50 m freestyle (SC) | 21.24 | Copenhagen | 13 December 2017 | r |
| 100 m freestyle (SC) | 46.11 | Saint Petersburg | 21 December 2018 | WJR |
| 200 m freestyle (SC) | 1:41.75 | Saint Petersburg | 23 December 2017 | WJR |
| 100 m individual medley (SC) | 50.63 | Hangzhou | 14 December 2018 | WJR |
| 200 m individual medley (SC) | 1:53.36 | Kazan | 20 November 2017 |
Note WR= World Record, WJR= World Junior Record, ER= European Record, NR= Russian National Record, LC= Long course, SC= Short course, r= relay lead-off