The Women's snowboard halfpipe competition at the FIS Freestyle Ski and Snowboarding World Championships 2021 was held on 13 March.Schedule A qualification was held on 11 March 2021.Start list

Qualification The qualification was started on 11 March at 8:45.Qualification results The eight best snowboarders qualified for the final. Rank Bib Startorder Name Country Run 1 Run 2 Best Notes 1 6 2 Chloe Kim 89.25 93.75 93.75 Q 2 1 8 Queralt Castellet 86.50 81.25 86.50 Q 3 2 6 Maddie Mastro 80.75 33.50 80.75 Q 4 8 10 Sena Tomita 70.75 73.00 73.00 Q 5 4 1 Haruna Matsumoto 31.50 72.00 72.00 Q 6 11 11 Elizabeth Hosking 71.75 66.75 71.75 Q 7 3 3 Mitsuki Ono 66.50 61.75 66.50 Q 8 5 9 Kurumi Imai 54.75 63.00 63.00 Q 9 7 4 Leilani Ettel 60.00 DNS 60.00 10 15 13 Emily Arthur 55.75 26.75 55.75 11 14 14 Alexandria Simsovits 43.50 46.75 46.75 12 18 16 Šárka Pančochová 39.50 39.75 39.75 13 17 18 Lee Na-yoon 22.50 37.00 37.00 14 16 17 Jenise Spiteri 32.50 30.50 32.50 15 9 7 Zoe Kalapos 24.25 15.25 24.25 16 12 12 Tessa Maud 16.00 12.00 16.00 17 10 5 Berenice Wicki 9.50 DNS 9.50 18 15 13 Brooke D'Hondt 7.00 5.75 7.00

Final The final was started on 13 March at 13:00.Final results

Rank Bib Startorder Name Country Run 1 Run 2 Run 3 Best 6 8 Chloe Kim 90.00 93.75 50.00 93.75 2 6 Maddie Mastro 73.25 70.50 89.00 89.00 1 7 Queralt Castellet 11.25 27.25 87.50 87.50 4 8 5 Sena Tomita 84.50 86.50 34.75 86.50 5 4 4 Haruna Matsumoto 77.25 29.25 14.75 77.25 6 3 2 Mitsuki Ono 20.50 74.50 33.75 74.50 7 11 3 Elizabeth Hosking 70.50 60.75 17.75 70.50 8 5 1 Kurumi Imai 61.50 7.00 64.25 64.25

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