2020 TireRack.com Grand Prix at Road Atlanta

In LMP2, Scott Huffaker, Patrick Kelly, and Simon Trummer claimed PR1 Mathiasen Motorsports' second class victory of the season.

BMW Team RLL triumphed in GTLM, scoring their second win in as many endurance races with Connor De Phillippi and Bruno Spengler behind the wheel.

GTD was won by Meyer Shank Racing's #86 entry of Mario Farnbacher, Matt McMurry, and Shinya Michimi.

[1] The race was brought about as a replacement to the annual 6 Hours of Watkins Glen, which was canceled in 2020 due to New York state COVID-19 travel and gathering restrictions.

[3] After fan entry was prohibited at the previous round at VIR, spectators were allowed to attend the event, albeit subject to strict COVID-19 restrictions, including a lack of paddock access and facemask mandates.

With 115 points, the GTD Drivers' Championship was led by Jack Hawksworth, ahead of Mario Farnbacher and Matt McMurry in second.

Tristan Vautier, after running the majority of the early season with JDC-Miller Motorsports' #85 entry, was entered as a third driver in the #5.

[9] GRT Grasser Racing Team also returned to IMSA competition, after most recently competing in the season-opening 24 Hours of Daytona.

[10] The first practice session took place at 10:00 am ET on Friday and ended with Pipo Derani topping the charts for Whelen Engineering Racing, with a lap time of 1:09.743.

[13] The second and final practice session took place at 2:25 pm ET on Friday and ended with Felipe Nasr topping the charts for Whelen Engineering Racing, with a lap time of 1:09.023.

Frankie Montecalvo qualified on pole for the class driving the #12 car for AIM Vasser Sullivan, besting Madison Snow in the Paul Miller Racing entry.

Nick Tandy qualified on pole driving the #911 car for Porsche GT Team, beating Antonio García in the #3 Corvette Racing entry by less than twenty-hundredths of a second.

PR1/Mathiasen Motorsports and Meyer Shank Racing with Curb-Agajanian became the leaders of their respective class Teams' Championships with five rounds remaining in the season.