Verified athletics data with sources — top speeds, world records, celebrity marathon times, and all-time lists. Free to cite.
Every figure here has the source linked on the page. World Athletics and all-time lists for records; race coverage for celebrity times. Free to cite — a link back is all we ask.
Usain Bolt's top speed was 44.72 km/h (27.79 mph), measured in the Berlin 2009 100m final. Full data: his peak speed, average speed, and his five fastest legal 200m performances.
Forrest Gump ran for 3 years, 2 months, 14 days and 16 hours in the film. Real celebrity marathon PBs ranked: Spencer Matthews 2:57:42, Harry Styles 2:59:13, and 18 more verified times.