At 16, Braun was part of the Team 16 squad and made his road racing debut in the Rolex 24 at Daytona with a Porsche 996 GT3, teammate to future NASCAR driver Brad Coleman.

[5] Braun made history as the youngest Daytona Prototype driver at 17, driving an Essex Racing Ford Crawford.

Braun became the youngest winner of a major auto race on North American soil with his win at the Brumos Porsche 250 in Daytona.

[6] Due to the Master Settlement Agreement, he was barred from participating in three races but still finished fourth in points while Bergmeister won the overall championship.

The team ended up in the top five in points, despite Braun being suspended for an incident at the Crown Royal 200 at Watkins Glen International.

[8] Braun made his stock car debut in the ARCA RE/MAX Series race at Gateway International Raceway, where he finished 13th.

After turning a lap of 177.441 mph on Thursday evening in qualifying to earn his first career Camping World Truck Series Pole award,[13] Braun led the field to the green flag Friday night at Daytona International Speedway for the 2009 season opener.

Braun also joined the Kia Racing team[19] as part of Kinetic Motorsports Pirelli World Challenge GTS Class No.

After four races, where he was able to achieve two podium finishes, Braun was replaced by Mark Wilkins following an incident with his team mate, Michael Galati, at Miller Motorsports Park.

[21] Braun returned to CORE autosport for the full 2013 American Le Mans Series season, competing in the Prototype Challenge class.

[23] On October 9, 2013, Braun joined Michael Shank Racing at Daytona International Speedway to set a new speed record on the track's oval course using a Rolex Sports Car Series Daytona Prototype car, powered by a twin-turbocharged Ford V-6 engine; the existing record was 210.364 miles per hour (338.548 km/h), set in 1987.

[27] He and co-drivers Bennett, James Gué and Mark Wilkins won the season-opening Rolex 24 at Daytona in the PC class[28] followed by the 12 Hours of Sebring.

[32] 2016 Braun returned to CORE autosport in 2016, racing with Bennett in the IMSA WeatherTech SportsCar Championship PC class.

[38] 2018 The CORE autosport team moved into the Prototype class in IMSA competition, with Braun and Bennett driving an LMP2-spec car.

[39] The team began the season with a second-place finish at the Rolex 24 and posted back-to-back wins at Canadian Tire Motorsports Park and Road America.

[41] As the only private, non-factory funded team, Braun and Bennett finished the 2018 season just four points shy of the overall IMSA Championship.

[44] Braun and Bennett combined with Loic Duval and Romain Dumas to finish fourth at the Rolex 24 Hour race to start off the year.

[45] In July, Braun broke his previous track record at Canadian Tire Motorsports Park with a lap at 135.250 mph.

After a year off, the team announced in late 2020 that it would field a Ligier JS P320 in the new-for-2021 LMP3 class in IMSA with drivers Bennett and Braun.

(https://racer.com/2020/09/09/imsa-lmp3-added-as-new-2021-weathertech-championship-class/) Braun also joined George Kurtz and the CrowdStrike Racing team in GT World Challenge’s GT3 Pro-Am class.

Braun and Kurtz also made their debut in the Total 24 Hours of Spa as part of SPS Automotive Performance’s lineup for the Belgian endurance race.

[56] Long Beach wasn’t on the schedule for the LMP3 class so Braun made a one-off GT Daytona (GTD) start for Scuderia Corsa in its Ferrari 488 GT3 with co-driver, Daniel Mancinelli.

04 DXDT Mercedes-AMG GT3 for Fanatec GT World Challenge America Series competition marking their fourth year together as co-drivers.

[61] The duo of Braun and Bennett would collect five podium results on the year including two wins at Mid-Ohio [62] and Canadian Tire Motorsports Park (CTMP).

[63] With the help of Kurtz, the team finished fifth in the final race of the year at Road Atlanta but were crowned IMSA LMP3 champions.

[68] To close out the 2022 season, Colin partnered with CrowdStrike Racing and Riley Motorsports to win the 25 Hours of Thunderhill with co-drivers Kurtz, Matt McMurry, and Felipe Fraga in an LMP3.

[71] 2023 The 2023 season kicked off at the Roar Before the Rolex 24, with Colin Braun making his first appearance with Meyer Shank Racing (MSR).

[73] The MSR team claimed the 2023 pole award as Colin's co-driver, Tom Blomqvist, drove the hybrid-powered Acura ARX-06 during the 15-minute session.

Colin won the 2014 Rolex 24 in the PC Class with CORE autosport and then in 2020, captured the LMP2 win as one of four drivers for DragonSpeed USA.

[76][77][78] For 2024, Braun made his debut in the IndyCar Series after being signed to drive for Dale Coyne Racing for the Grand Prix of St. Petersburg and the non-championship Thermal Club $1 Million Challenge.