Belgian athlete Jente Hauttekeete (current leader) pictured in action during the discus throw of the men's decathlon competition, at the European Athl Stock Photo - Alamy
KALENJI Run Light - YouTube
Eclairage trail | DECATHLON
DOHA - QATAR - OCT 3: Thomas van der Plaetsen of Belgium competing in the 1500m Decathlon on day 7 of the 17th IAAF World Athletics Championships Doha Stock Photo - Alamy