W Series . From January 31 to February 4, 2022, Bustamante competed in a W Series test in
Arizona, United States, along with 14 other prospective drivers. She then participated in a second pre-season test in
Barcelona on March 2–4 along with 11 other potential drivers and nine automatic qualifiers from the previous W Series season. On March 22, Bustamante was confirmed to compete in the
2022 W Series season. She finished the season in 15th place scoring two points across seven races.
Formula 4 UAE Championship On January 9, 2023, Bustamante was announced to race under Italian team
Prema Powerteam for the 2023 Formula 4 UAE Championship. She finished the season in 27th place scoring three points across fifteen races.
F1 Academy 2023 season in an F1 Academy race at the
Red Bull Ring in
2023. On February 3, 2023, Bustamante was confirmed as the second driver to compete in the newly launched all-female
F1 Academy series with Prema Racing (formerly known as Prema Powerteam). Bustamante finished third in the series' first race at the
Red Bull Ring, but was promoted to second following the disqualification of
Nerea Martí. Having finished ninth in the second race, her car suffered a technical failure on the formation lap for the third race and did not start. Bustamante initially qualified second for the second round at
Circuit Ricardo Tormo, but was demoted to eighth for a track limits infringement. Having recovered to fifth in the first race, Bustamante then won her first race in the reverse-grid second heat – earning personal congratulations from President of the Philippines
Bongbong Marcos. Bustamante did not finish the first race of the weekend at
Monza, before grabbing her third podium of the season in the following reverse-grid race and winning the third and final race of the weekend. Bustamante scored a total of 116 points, finishing seventh in the championship standings; one point behind
MP Motorsport's
Amna Al Qubaisi.
2024 season in an F1 Academy race at
Zandvoort in
2024. On October 18, 2023,
McLaren announced the signing of Bustamante to the
McLaren Driver Development Programme, representing McLaren for the
2024 season under
ART Grand Prix. Bustamante was the first female driver signed to the McLaren Driver Development Programme. In Round 1 at
Jeddah, Bustamante finished fifth in Race 1 and was promoted to sixth (from eighth) in Race 2 due to penalties for other competitors. Bustamante qualified in fourth for the second round at
Miami and finished the first race in ninth after stalling at the start, but set the fastest lap in consolation; in Race 2, she scored her first podium of the season with a second-place finish. In Round 4 at
Zandvoort, Bustamante crashed during qualifying and finished outside the points in both races – a pointless streak which continued in Singapore after she received a stop/go penalty in Race 1 for being out of position on the grid, before colliding with
Tina Hausmann in Race 2 whilst recovering from a spin. Bustamante finished the season in seventh in the driver's championship and left the McLaren Driver Development Programme at the conclusion of her F1 Academy campaign.
Italian F4 Championship On May 24, 2023, it was announced that Bustamante would make her
Italian F4 debut in the
2023 season at
Circuit de Spa-Francorchamps, driving for
Prema Racing in a one-off appearance replacing
Aurelia Nobels. Bustamante returned in the
2024 season for the final round in
Monza, driving for
ART Grand Prix. in 2025
GB3 Championship On December 19, 2024, it was announced that Bustamante will join
GB3 Championship in the
2025 season with
Elite Motorsport. She finished the season in 22nd position in the drivers' championship.
Eurocup-3 In January 2026, it was announced that Bustamante will compete in the
2026 season of
Eurocup-3 with
Palou Motorsport. == Formula E ==