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Bethany Hamilton says she’ll boycott World Surf League events because of policies allowing trans women to compete

The pro surfer is questioning new policies adopted by the World Surf League.
World Surf League Surf Ranch Open
Bethany Hamilton at a 2018 World Surf League Surf event in Lemoore, California.Sean M. Haffey / Getty Images
/ Source: TODAY

Pro surfer Bethany Hamilton says she does not intend to participate in upcoming World Surf League events after the organization announced a change in policies that will allow trans women to compete in women's events.

In two different videos shared to Instagram, Hamilton said she believes she is speaking up for other pro surfer women who fear being "ostracized" for having the same opinions.

The World Surf League this month announced plans to adopt the International Surfing Association’s policy, which requires trans athletes seeking to compete in the women’s division to maintain a testosterone level less than 5 nonomoles per liter (nmol/L) for the previous 12 months.

In her video, Hamilton questioned this policy.

“Is a hormone level an honest and accurate depiction that someone indeed is a male or female? Is it as simple as this?” she asked. In her follow up video, she questioned the policy again. "Am I just a hormone number? Is it as simple as that?"

Hamilton argued that moving forward with these policies in surfing would allow for “male-bodied dominance” seen in other “women’s sports like running, swimming, and others.”

Multiple studies in recent years have looked at whether transgender athletes have competitive advantages. Joanna Harper, a trans competitive runner and medical physicist, published a first-of-its-kind study in 2015 that looked at eight trans women runners who took treatments to lower their testosterone levels and found they did not perform better in several women's races than they did in men's races. A newer 2021 study published in the British Journal of Sports Medicine, however, conducted fitness tests with 29 trans men and 46 trans women and found that trans women retained an athletic edge over their cisgender peers, even after 12 months on hormone therapy.

Harper, who continues to study athletic performances of transgender people and serves as an advisor to the International Olympic Committee, told OutSports in 2021 that most research, even her own studies, has nuances and conversations should be had in the greater context of sports as a whole.

The debate over trans athletes competing in women's sports appeared in headlines last year when Lia Thomas, a trans woman, partook in and won an NCAA swimming championship for her school, University of Pennsylvania, where she used to compete on the men's team. Also, in 2021, trans runner CeCe Telfer was barred from competing in the women’s 400-meter hurdles at the Tokyo Olympics for not keeping her testosterone levels below the required 5 nonomoles per liter for a span of 12 months, as per the World Athletics' guidelines.

Transgender athletes have been allowed to participate at the Olympics since 2004, but until the Tokyo Games, none had done so openly, the Associated Press reported at the time.

As for the sport of surfing, BuzzFeed News pointed to surfer Sasha Jane Lowerson, the first openly trans woman to win the women’s open in Australia in May 2022, as the impetus for WSL to implement this policy on trans women surfers.

Hamilton — who is well-known for her memoir “Soul Surfer” and losing her left arm in a 2003 shark attack only to return to the sport — concluded one of her Instagram videos with the suggestion that a separate division be created for trans women, "so that all can have a fair opportunity."

"My hope is that if I ever have a daughter who is competing in surfing or any sport and also for all those aspiring young generation of women, to have a bright and promising opportunity in her ambition to be the best of the best woman in her sport," she said.