Yeany's karting career was predominantly in the US: finishing 13th in the 2019 SKUSA SuperNationals XX11 - KA100 Junior Class by RLV. Aside from that, not much is known about his karting career.
Formula 4
In 2020 Yeany made his single seater debut in the Formula 4 US Championship with Velocity Racing Development, alongside Kyffin Simpson and Erik Evans.[1] He dominated the championship, taking 7 wins and 14 podiums from 15 races on his way to becoming the youngest ever winner of a Formula 4 series. His early clinching of the title led to him skipping the final round at COTA. Overall he finished 58 points ahead of second in the standings.[2]
Formula Regional Americas Championship
2020
Hunter made his debut in the Formula Regional Americas Championship in the final round of the 2020 season, continuing with Velocity Racing Development.[3] The American finished all three races in the top ten, but was unable to score points due to his status as a guest driver.[4]
2021
For 2021 raced in the series full time with the same team.[5] Yeany was unable to replicate his victory-laden season unlike the previous year, and missed the final two rounds due to family issues.[6] He wounded 12th in the drivers' standings.[7]
GB3 Championship
For the fourth round of the 2021 GB3 Championship Yeany joined Fortec Motorsports, partnering Roberto Faria and Mikkel Grundtvig.[8] The American scored eighth and 15th-placed finishes in the first two races respectively, and achieved his first podium on a European racetrack with third place in the reversed grid race on Sunday.[9] That allowed him to end 24th in the standings with 36 points.[10]
In the Spielberg round, during the sprint race, Yeany injured his wrist while making contact with a rival. He managed to continue and finish 21st. However, due to his injury, he was forced to withdraw from the feature race.[15] Ultimately, he had to miss the Budapest round as well and was replaced by Oliver Goethe.[16] He also missed the Zandvoort round and was replaced by Sebastian Montoya.[17] Yeany made his return at the final round in Monza,[18] and finished the races 24th and 17th.[19] Yeany failed to score points and finished 33rd in the championship, with a best finish of 16th.[20]
At the end of September, Yeany partook in the post-season test with Carlin, on Day 1 and Day 3 at Jerez.[21][22]
2023
On 19 December 2022, it was announced that Yeany would drive for Rodin Carlin in the 2023 season.[23] He had similar results in the first half of the season compared to 2022, with a best finish of 16th place. Yeany was replaced by Max Esterson for the Silverstone and Hungary rounds.[24] He later revealed on Instagram that he would not return to Formula 3 for the remainder of the season.[25] Yeany would be eventually classified 30th in the standings.[26]
Indy Pro 2000 / USF Pro 2000 Championship
2021
Yeany also competed in the Indy Pro 2000 Championship with Velocity Racing Development along with his Formula Regional campaign.[5] He only competed in two rounds, before leaving the championship.[27]