Every published study, in one place. Observed, never predicted — the evidence is public.
SEL looked at 136,996 observed running journeys from 524,777 public 5k results to find playful patterns like Local Loyalists and Comeback Runners.
This article examines changes in parkrun participation and demographic composition, revealing observed trends in finish times and field sizes from 2023 to 2025.
This study examines how first recorded finishes in the final 10% of a same-series 5k field relate to being observed again within four weeks.