Taken from the July 2021 issue of Physics World where it first appeared under the headline "Sporting chance".
With the Olympic Games due to get under way in Tokyo this month, Laura Hiscott brings you 10 physics-related sporting questions about the 10 different events in the decathlon – one of the highlights of the athletics programme. You can find the answers at the bottom of this page, or listen to Matin Durrani and Laura Hiscott discussing them on the latest episode of the Physics World Weekly podcast.