2003 USMS Long Course Nationals Events
Order of Events
| Wednesday, August 13, 2003 |
| 1. Men 1500 freestyle | 2. Women 1500 freestyle |
| Thursday, August 14, 2003 |
| 3. Men 800 freestyle | 4. Women 800 freestyle |
| 5. Men 100 breaststroke | 6. Women 100 breaststroke |
| 7. Men 50 backstroke | 8. Women 50 backstroke |
| 9. Men 100 butterfly | 10. Women 100 butterfly |
| 11. Mixed 200 freestyle relay | |
| Friday, August 15, 2003 |
| 13. Men 400 individual medley | 14. Women 400 individual medley |
| 15. Men 200 freestyle | 16. Women 200 freestyle |
| 17. Men 50 butterfly | 18. Women 50 butterfly |
| 19. Men 200 breaststroke | 20. Women 200 breaststroke |
| 21. Men 200 medley relay | 22. Women 200 medley relay |
| Saturday, August 16, 2003 |
| 23. Men 400 freestyle | |
| 25. Men 200 backstroke | 26. Women 200 backstroke |
| 27. Men 100 freestyle | 28. Women 100 freestyle |
| 29. Men 50 breaststroke | 30. Women 50 breaststroke |
| 31. Mixed 200 medley relay | |
| 33. Men 200 freestyle relay | 34. Women 200 freestyle relay |
| Sunday, August 17, 2003 |
| | 36. Women 400 freestyle |
| 37. Men 100 backstroke | 38. Women 100 backstroke |
| 39. Men 200 individual medley | 40. Women 200 individual medley |
| 41. Men 50 freestyle | 42. Women 50 freestyle |
| 43. Men 200 butterfly | 44. Women 200 butterfly |