First Global Series for Combined Events. Before 1998, combined events athletes mainly competed in isolated major championships (Olympics, World Championships, European Championships, etc. ) or at individual meetings. The Challenge created a …

After its debut year, the 1999 Challenge showed that the concept of a season-long ranking system for combined events was sustainable, gaining credibility among athletes and organizers.

Integration with the Olympics. Performances from the Sydney Games counted toward the Challenge. This linked the sport’s most prestigious event directly with the series, boosting its legitimacy and visibility.

By its fourth year, the Challenge had begun to establish itself as an important platform not just for stars, but also for rising athletes to measure themselves across multiple competitions, creating more depth in decathlon and heptathlon.

The mains Ultra Multievents are the Icosathlon for men and the Tetradecathlon for women. Actually, women do the Icosathlon too.

Ilya Shkurenyov won European Indoor gold in 2015, earned multiple European Championships medals, placed 4th twice at World Championships. Winner of the 2015 IAAF Combined Events Challenge.

Indrek Kaseorg is the four-time Estonian decathlon champion in 1991, 1993, 2001 and 2003. His personal best in the decathlon is 8179 points, achieved in 1998.