Deng represented China at the 2024 Summer Olympics,[1] where she won the silver medal in the speed climbing event.

[2] Deng competed in speed climbing at the 2024 Summer Olympics.

She knocked out Indonesia's Desak Made Rita Kusuma Dewi and Rajiah Sallsabillah in her quaterfinal and semifinal heats.

In the final she faced Poland's Aleksandra Mirosław.

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