In 2021, Christian began his open wheel career. He spent the off season testing in different cars and tracks and learned from each experience. He participated in the Yacademy Winter Series in a Ligier JSF4. This allowed him a ton of seat time and prepared him for the FRP Eastern Pro 4 Challenge where he won his first Championship with seven pole positions, two second place results and six wins. Not wanting to sit still, he hopped in his father’s Pro 1340 SR3 Radical at Road America in the Blue Marble Radical Cup North America. His debut brought him three pole positions poles and four race wins, making him the youngest race winner in Radical Cup history. Having loved driving the Radical he opted to participate in the series race at the famed Circuit of the Americas where he again secured three pole positions and another two race wins.

Joining Turn 3 Motorsports in the USF 2000 Presented by Cooper Tires for part of the 2021 season. Competing in the last three race weekends at Mid-Ohio Sports Car Course, New Jersey Motorsports Park and then back again at Mid-Ohio gave him crucial experience to bring forward to the 2022 season. Once Christian turned 15-years of age in September, he was eligible to enter the F4 US Championship Powered Honda and raced at the beautiful VIRignia International Raceway. His inaugural race found him on the podium in third place. Christian’s final race of the season was at the Circuit of the Americas in the F4 machine as part of the Formula One United States Grand Prix weekend. After a tremendous drive to another third-place podium result, race two saw Christian pushed off track and over one of the FIA sausage curbs. With a damaged car and a broken back, Christian was flown to a local hospital where he spent a few nights.

2022 saw Christian Weir compete in the USF2000 Championship as well as select races in the Porsche Sprint Challenge North America program. Continuing his constant progression, Weir was able to stand on the podium in both open-wheel and sportscar races as he continued his ascend the motorsports ladder. Continuing his development under the watchful eye of Richard Lyons, Weir developed the necessary skills and racecraft to take his talents to the next level.

2023 saw another level up in series and a change in teams. Joining TJ Speed and their three-driver lineup, Weir has stepped up to compete in the USF Pro 2000 Presented by Cooper Tires and is just two tiers away from the top open-wheel series in North America, the NTT INDYCAR Series. Competing alongside INDYCAR, Weir will compete in nine event weekends, eighteen races as he has his sights set on race wins, podium results, and the constant strive for perfection and progression.