Kristina Vogel remains in intensive care but is in a stable condition after undergoing spinal surgery in Berlin, according to the German Cycling Federation (BDR).
Olympic and world champion Vogel was airlifted to the German capital on Tuesday following a crash during a training camp in Cottbus.
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She suffered serious spinal injuries after colliding with a Dutch junior rider at nearly 60 kilometres per hour before landing on the concrete track.
Reports in Germany have also suggested Vogel suffered a fractured collarbone in the incident, the 11-time world champion needing emergency surgery.
"The operation went well," a BDR statement read. "Kristina continues to receive intensive medical care.
"Her condition is stable."
Vogel's manager Jorg Werner, speaking to the German Press Agency, added: "At the moment, it is not really possible to say where the journey is going."
Two-time Olympic champion Vogel is one of track cycling's all-time greats with 16 major tournament gold medals to her name – including the sprint title at Rio 2016.
