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• W4377013647 abstract "<sec> <title>BACKGROUND</title> The IRONMAN® triathlon is a popular multi-sport, where age group athletes often strive to qualify for the IRONMAN® World Championship in Hawaii. The aim of the present study was to investigate the location of the fastest IRONMAN® racecourses for age group triathletes. This knowledge will help IRONMAN® age group triathletes find the best racecourse, considering their strengths and weaknesses, to qualify. </sec> <sec> <title>OBJECTIVE</title> To determine the fastest IRONMAN® racecourse for age group triathletes using the machine learning XG Boost algorithm. </sec> <sec> <title>METHODS</title> We collected and analyzed 677,702 age group finishers' records from 228 countries participating in the IRONMAN® competitions held between 2002 and 2022 across 67 event locations. A predictive model was built with the race finish time as the predicted variable and the triathlete’s gender, age group, country of origin, and event location as predictors. The model was trained with 75% of the available data and was validated against the remaining 25%. Several model interpretability tools were used to explore how each predictor contributed to the model's predictive power, from which we intended to infer whether one or more predictors were more important than the others. </sec> <sec> <title>RESULTS</title> The XG Boost Regressor model analysis indicated that the IRONMAN® Hawaii course was the fastest racecourse and that male athletes aged 35 years and younger were the fastest. Most of the finishers were competing in IRONMAN® triathlons held in the USA, such as IRONMAN® Wisconsin, Florida, Lake Placid, Arizona, and Hawaii, where the IRONMAN® World Championship takes place. Still, the fastest average times were achieved in IRONMAN® Hawaii, Austria, Copenhagen, Brazil Florianopolis, and Barcelona. Most of the successful IRONMAN® finishers originated from the United States of America, followed by athletes from the United Kingdom, Canada, Australia, Germany, and France. The best mean IRONMAN® race times were achieved by athletes from Austria, Germany, Belgium, Switzerland, Finland, and Denmark. </sec> <sec> <title>CONCLUSIONS</title> Age group athletes who have better placements in faster events and intend to qualify for IRONMAN® Hawaii may participate in IRONMAN® Austria, Copenhagen, Brazil Florianopolis, and Barcelona in order to achieve a fast race time to qualify for the IRONMAN® World Championship in Hawaii. </sec> <sec> <title>CLINICALTRIAL</title> - </sec>" @default.
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• W4377013647 date "2023-05-17" @default.
• W4377013647 modified "2023-10-18" @default.
• W4377013647 title "IRONMAN® Hawaii is the fastest race course for age group triathletes (Preprint)" @default.
• W4377013647 doi "https://doi.org/10.2196/preprints.49103" @default.
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