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Note: SPLT.400 Pro provides race modelling and coaching-support information only. It is not medical advice, injury advice, selection advice, or a guarantee of performance.
Current model range: approximately 43–73 seconds for 400m. Coverage and accuracy can broaden as more race data is added.
Paid beta subscriptions are handled from the SPLT Pro landing page.

SPLT.400 Pro BETA

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Enter target time and tolerance
Current model range: approx. 43–73s for 400m. More uploaded race data can broaden and refine this over time.