The heptathlon and the decathlon are variations of the same event, combined-events. In outdoor track and field, women do the heptathlon, consisting of seven events, and men do the decathlon,...
Seven
1 - 100 Meter Hurdles 2 - High Jump 3 - Shot Put 4 - 200 Meter Sprint 5 - Long Jump 6 - Javelin 7 - 800 Meter Run
They are exactly nine events in a decathlon 100 meter hurdles shot put800 meter run 200 meter dashhigh jumppole vaultlong jump
Javelin, which is the 9th of the 10 events performed in a decathlon.