A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026) — placeholder version

This is a placeholder version. The canonical, openly accessible dataset is preserved in version 1 of this record (DOI: 10.5281/zenodo.19284674), released under CC BY 4.0. Collection scripts and the merge procedure to reproduce the dataset from public race result APIs are available at https://github.com/Nova-O2/ironman-data.