Switzerland’s Federal Supreme Court has temporarily blocked a rule that kept track star Caster Semenya from competing, saying she should be allowed to race while her appeal proceeds.

Track and field’s international governing body has said Semenya can’t compete in her signature event unless she lowers her testosterone level.

The Swiss court ruled Monday that Semenya, an Olympic and world champion in the 800 meters, should be allowed to “compete without restriction in the female category” during her appeal.

The International Association of Athletics Federations recently changed its rules, with the result requiring that Semenya, 28, lower her testosterone level artificially before she can compete against other women in the 800 meters and other track events.

“I am thankful to the Swiss judges for this decision,” South Africa’s Semenya said in a statement about the ruling. “I hope that following my appeal I will once again be able to run free.”

Semenya’s attorney in the Swiss case, Dorothee Schramm of the Sidley Austin law firm, said the court had given Semenya “temporary protection.”

“This is an important case that will have fundamental implications for the human rights of female athletes,” Schramm said.

Since Semenya’s initial ruling, there have been erroneous reports calling Semenya transgender. She is not transgender and was born a woman.

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