Matched performances
Pull a sample of real performances around your target 400m time and chosen tolerance range.
SPLT.400 Pro turns real 400m race data into practical coaching insight. Explore matched performances, cumulative splits, segment models, KPIs, athlete comparisons and coaching direction from one clean interface.
This is more than a simple split calculator. SPLT.400 Pro helps users move from a target time to a meaningful picture of race structure, pacing demands and coaching focus.
Pull a sample of real performances around your target 400m time and chosen tolerance range.
View 50m split progression and understand how races are typically built from start to finish.
Break the race into meaningful chunks like 0–100, 100–200, 200–300 and 300–400.
Surface race-shape information, differential measures and coaching-support interpretations.
Instead of a static block of screenshots, this slideshow walks you through the app experience: search, matched results, split models, segment models, KPIs, comparison input, comparison results and Coach Insight.



Enter the target 400m time, choose a tolerance range and select the athlete category. SPLT.400 Pro then searches the database for matched real performances.
SPLT.400 Pro is designed to support coaching judgement by showing where a 400m race is being built, maintained or lost. It helps turn split data into clearer coaching conversations.
Compare an athlete’s actual splits against the matched model and quickly identify where the biggest differences appear.
Use 50m and 100m segment patterns to help decide whether the next focus should be rhythm, speed endurance, race distribution or finishing ability.
Apply the same race model framework across multiple athletes so group feedback is clearer, more consistent and easier to explain.
SPLT.400 Pro is currently available as paid beta access. Subscribe first, then create or sign in to your account using the same email address to unlock the app experience. Cancel anytime.