Aleksei Sysoyev achieved his decathlon personal best of 8497 points when finishing second at the Götzis Hypomeeting in 2008. The Russian won silver at the European U20 Championships in 2003, World U20 Championships in 2004 and European U23
In 1988, Külvet surpassed his best decathlon with a score of 8506 points in Staiki, Belarus. This achievement placed him second in the world that season, just behind Christian Plaziat of France.
A decathlon is not ten separate events. It is one competition, unfolding over two days, with one clock running from the first start to the final finish. Part 10 of the Fair Decathlon Model asks what happens when we look at the decathlon this way