Sergey Sirotkin has started in karting at 7 years old. Already in 2006 he became champion of Moscow, and in 2007 and 2008 was the champion of Russian. Then he moved up to European karting. Sergey raced in various international series, working his way up from the junior ranks to progress through to the KF3 and KF2 category by 2010.
2010-2011: Formula Abarth
Having turned 14 years old, Sirotkin graduated to single-seaters, racing in the newly launched Formula Abarth series in Italy for Jenzer Motorsport. He made his debut in the middle of the season at Vallelunga, immediately finishing his first race in the points and later added four more point-scoring finishes.
Sirotkin remained in Formula Abarth with Jenzer for a second season. In 2011 the series was developed into two separate classifications: the European and the Italian championship. But prior to the round at Spa, Sirotkin switched to the Euronova Racing by Fortec team. In Italian classification Sirotkin played only four of the seven races, but thanks to the three podiums he scored 136 points and finished second in the individual competition after failing to catch up with Patrick Niederhauser. In the European classification, he spent all 14 races, ten of which are finished on the podium (5 wins). Thanks to the results shown he earned 175 points and became the champion of the series.
2012: Auto GP, Italian Formula 3 and debut in Formula Renault 3.5 Series
In 2012, Sirotkin continued his collaboration with Euronova Racing into the Auto GP World Series. His first round at Monza saw him qualify on the front row, losing pole position to Adrian Quaife-Hobbs by just 0.04 seconds. Sergey stalled at the start of the first race, but recorded a finish of fourth place in the second race; he also set the fastest lap in both races. At Valencia, he again started behind points leader Quaife-Hobbs, but this time Sirotkin passed him before the first turn, and eventually scored his first win - again setting fastest lap - becoming the youngest Auto GP winner in the championship history. After another fastest lap in the second race, Sirotkin established a record of four consecutive fastest laps; breaking a record previously held by Romain Grosjean. Sirotkin went on to finish the season in third place overall, behind Quaife-Hobbs and Pal Varhaug. He finished the season with two race wins in Valencia and Sonoma, and seven podium finishes. He also recorded his first Street Circuit pole position at the Marrakech.
Sirotkin also participated in the Italian Formula Three Championship driving for Euronova. He recorded two wins at the Hungaroring and Monza, and a further four podium finishes over the course of the season. He finished the season fifth overall in both the European and Italian Series championships.
Same year Sirotkin made his Formula Renault 3.5 debut in his home event at the Moscow Raceway with BVM Target team.
2013: Formula Renault 3.5 and the beginning of cooperation with Sauber F1 Team
In 2013 Sirotkin spent full season in World Series by Renault 3.5 in the ISR Racing team. He had podiums at Alcaniz and Hungaroring with another three point-scoring finishes to achieve the ninth place in the championship standings.
In July 2013 Sirotkin joined the Sauber team with the aim hold the next season in Formula 1.
2014: Formula Renault 3.5 and test-driver of Sauber F1 Team
In 2014 Sergey joined the Fortec Motorsport team. His Forteс's car often broke and Sergey did not finish in 5 races. Only once, when seeing the checkered flag, Sergey did not got into points. He obtained a spectacular pole and win at his home track Moscow Raceway.
Sergey was also signed by the Sauber F1 Team as test driver. Sirotkin participated in tests that took place in Bahrain on April 8. The Russian driver did 75 laps and covered a distance of over 300 kilometres, recording the 8th fastest time. This result allowed Sirotkin to get the Formula 1 Superlicence. Sirotkin made his race weekend debut in free practice at the 2014 Russian Grand Prix where he recorded the 17th fastest time, only 0,4 slower than his more experienced team-mate Adrian Sutil.
2015: GP2 Series
In February 2015, it was announced that Sirotkin would debut in the GP2 series with Rapax.
Having experienced trouble in the first two rounds, Sergey obtained an excellent series of podium finishes on the European tracks. He achieved his first victory at Silverstone by winning the feature race, ending Stoffel Vandoorne's four-race feature win streak. One win, four podiums, pole position and fastest lap allowed him to score 139 points ending third in the overall standings and becoming also the best Rockie of the championship and the Pirelli Award winner.
2016: GP2 Series and test-driver of Renault Sport F1 Team
In 2016, Sergey continued to drive in GP2 Series in the ART Grand Prix team.
Sergey was the only person who could fight with Prema Racing on the sheer speed. However, two mistakes in Barcelona and Monaco, as well as some technical problems and bad lucks at other races heavily affected his fight for the title. Despite the fact that after half of the championship, Sergey was able to lead the championship standings.
This season he has scored two victories in races - at the Hungaroring and at the Hockenheim. In addition, earning 6 podiums, 3 pole positions and 3 fastest laps, Sergey gained 159 points and repeated the previous year's result - took third place in the overall standings.