[1] Nyck de Vries was the 2019 drivers' champion, having won the title at the penultimate race of the 2019 championship in Russia[a], thus Mick Schumacher became the next driver to win the title at the final race in the Outer layout of the Bahrain International Circuit with 14 points ahead of runner-up Callum Ilott.
As the championship is a spec series, all competitors race with an identical Dallara F2 2018 chassis with a V6 turbo engine developed by Mecachrome and with tyres supplied by Pirelli.
[9] They were replaced by Sean Gelael, who left Prema Racing, and two-time Macau Grand Prix winner Dan Ticktum.
[16] They were replaced by Red Bull juniors Jehan Daruvala and Yuki Tsunoda, who graduated from the FIA Formula 3 Championship having finished third and ninth respectively in 2019.
The team signed 2019 FIA Formula 3 fifth-placed finisher Pedro Piquet to partner Louis Delétraz for 2020.
[23] Tatiana Calderón left the championship to compete in Super Formula and Giuliano Alesi switched from Trident to replace her.
Reigning FIA Formula 3 champion Robert Shwartzman graduated to the championship with Prema Racing, replacing Sean Gelael.
[25] Sean Gelael suffered a broken vertebra during the last lap of the feature race in Barcelona when he collided with Jack Aitken.
Matsushita left the MP Motorsport team after the Mugello round, and Alesi moved across from BWT HWA Racelab to replace him with immediate effect.
[d] The Circuit Paul Ricard round that was run in support of the French Grand Prix was removed from the calendar.
UNI-Virtuosi's Guanyu Zhou started the season opener at the Red Bull Ring from pole position alongside series debutant Felipe Drugovich in second place.
Tsunoda led for most of the race, but radio issues prevented him from hearing his team's call to enter the pits, causing the gap behind him to close as his tyres degraded.
ART Grand Prix's Christian Lundgaard overtook reverse-grid pole sitter Dan Ticktum to claim his maiden Formula 2 victory.
[43] During the feature race he traded the lead with Schumacher, but fell down the order in the closing laps as his medium-compound tyres degraded.
The first round at Silverstone saw MP Motorsport's Felipe Drugovich take his team's first ever Formula 2 pole position, whilst championship leader Shwartzman qualified 18th.
[46] Ilott returned to pole position for the second round at Silverstone and led the entire feature race to take his second victory of the season.
[47][48] Shwartzman finished eighth, losing his championship lead to Ilott but giving him reverse-grid pole position for the sprint race.
He led for most of the race with teammate Schumacher close behind, but the two collided with two laps remaining, damaging Shwartzman's front wing and relegating him to the back.
[50] He traded the lead of the race with Shwartzman and Schumacher but had reclaimed first place by lap 25, when a collision between Sean Gelael and Giuliano Alesi brought out the safety car.
Tsunoda achieved his second pole position in the seventh round at Spa-Francorchamps, where Jüri Vips made his Formula 2 debut replacing the injured Gelael at DAMS.
[53] Trident's Roy Nissany started on pole position for the sprint race, in which championship leader Ilott was forced into retirement after a collision with Tsunoda.
Ilott stalled his car during his pit stop, dropping him to the back of the field and allowing Schumacher through to take his first victory of the season.
[56][57] Christian Lundgaard achieved his first pole position in qualifying at Mugello and controlled the feature race until the closing laps.
Nikita Mazepin, who started 14th, was able to take advantage of an alternative tyre strategy and accidents ahead to claim the lead with two laps to go.
Shwartzman, Ilott and Tsunoda all failed to score, allowing Schumacher to claim the championship lead for the first time after finishing fifth.
[58] HWA Racelab's Artem Markelov started on pole position in the sprint race, from which Mazepin and Ghiotto were eliminated after colliding with each other.
On lap seven of 21, Luca Ghiotto attempted an overtake on Campos driver Jack Aitken for fourth place around the outside of the long turn four.
Round 11 at the Bahrain International Circuit began with Ilott on pole position and championship leader Schumacher qualifying 10th.
Ilott had run in third place but dropped back due to tyre degradation, eventually finishing outside the points.
Third-placed Tsunoda, who won the Anthoine Hubert Award as the highest-placed rookie in the championship, joined Scuderia AlphaTauri.