Ignore the listed start time for the program--the track events don't start until 2:20ish (and even then, I think that's just paralympic runners).
Time schedule with notable entrants (all times Eastern)
2:20: Men's 400: Pistorius (double amputee)
2:30: Men's 5000: Cragg, Kipchoge, Kiprop, Limo, Sihine, Wanjiru!
2:50: Women's 800: Clark, Jepkosgei, Schmidt, Sinclair
3:05: Men's 110 H: Arnold, Doucoure, Johnson, Moore, Robles
3:15: Women's 100 H: Jones, Kallur, Perry
3:25: Men's 400: Merritt, Taylor, Kikaya
3:35: Men's 1500: Kaouch, Kipchirchir, Komen, Heshko, Lukezic
3:45: Women's 100: Barber, Edwards, Felix
3:55: Women's 5000: Flanagan, Rhines, Kastor, Kim Smith
4:15: Men's 100: Powell, Atkins
4:25: Men's 800: KD Robinson, Nick Symmonds, Bungei, Muladzi
4:35: Women's 400: Hasting, Richards, Trotter, 2 x Williams, Weinburg
4:45: Men's 400 H: Carter, Clement, Jackson, Sanchez
4:55: Women's 400 H