2019 World Athletics Championships – Men's decathlon
| Men's decathlon at the 2019 World Championships | ||||||||||
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| Venue | Khalifa International Stadium | |||||||||
| Dates | 2–4 October | |||||||||
| Competitors | 23 from 16 nations | |||||||||
| Winning points | 8691 | |||||||||
| Medalists | ||||||||||
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The men's decathlon at the 2019 World Athletics Championships was held at the Khalifa International Stadium in Doha from 2 to 4 October.
Because of the timetable, with the last competition finishing after midnight local time on 4 October, the technical rules of decathlon were modified: since this edition, the decathlon has to be completed in a period of two 24 hours rather than over two consecutive days as before. Niklas Kaul was the winner of the competition.
The best scores for each event were shared by only five competitors which is quite a low number in a competition of global calibre.