How many events did jessica ennis do?

Jessica Ennis, a British athlete, specialized in the heptathlon, which consists of seven events: 100 meters hurdles, high jump, shot put, 200 meters, long jump, javelin throw, and 800 meters. She Excelled in this multi-event discipline and won numerous titles, including the gold medal at the 2012 London Olympics. Throughout her career, she also competed in individual events, but her primary focus was on the heptathlon.