East St. Louis native Dawn Harper will compete in the semifinals of the women's 100 meter hurdles on Tuesday in London during the 2012 Summer Olympics. Harper will get out of the blocks in lane four during the first heat. The UCLA native is one of three Americans in the semifinals of the event, joining Lolo Jones and Kellie Wells. Each heat will feature eight competitors.
Missouri native Brittany Borman is also set to compete in the qualification round of the women's javelin throw. Borman will throw in Group A and is one of three Americans in the event. Each group boasts 21 competitors.
Gymastics will also hand out plenty of medals on Tuesday. The men's parallel bars and the women's floor exercise are among the events holding finals in gymnastics.
For the full schedule of the day's events, head over the NBC's Olympics page.
For updates, stay tuned to SB Nation St. Louis. For comprehensive coverage of the 2012 London Games, visit SB Nation's Olympics news hub. Stay up to date on the medal count with Sports Illustrated's tracker.