2003 U.S. Open Swimming Championship

- Event
- 50 Free
- 100 Free
- 200 Free
- 400 Free
- 800 Free
- 1500 Free
- 100 Back
- 200 Back
- 100 Breast
- 200 Breast
- 100 Fly
- 200 Fly
- 200 IM
- 400 IM
- 400 Free Relay
- 800 Free Relay
- 400 Medley Relay
- Gender
- Men
- Women

Timed Finals
Name		Team	Time	FINA
1	Teresa Victor anv Guadalajara	anv Guadalajara	1:03.54	730
2	Mhyria Miller Islamorada	Islamorada	1:05.39	670	PB
3	Maritza Paredes Centro Acuatico Zaragoza	Centro Acuatico Zaragoza	1:05.40	669
4	Lindsay Hansen Connecticut	Connecticut	1:05.82	657
5	Katie DeVinney AZ Desert Fox	AZ Desert Fox	1:05.85	656	PB
6	Jessica Perry Gator Swim Club	Gator Swim Club	1:05.86	655	PB
7	Margaret Carter City of Charleston Southern	City of Charleston Southern	1:05.90	654
8	Alicia Jensen Foxjets Swim Team	Foxjets Swim Team	1:06.20	645	PB
9	Jennifer Latzen Washington - ELIMINATED	Washington - ELIMINATED	1:06.43	639
10	Katie Riefenstahl Trident Swim Clu	Trident Swim Clu	1:06.50	637
11	Casey Sherfey Washington - ELIMINATED	Washington - ELIMINATED	1:06.59	634
12	Margie Chamberlin Tampa YMCA Swimming	Tampa YMCA Swimming	1:06.71	631
13	Rachel Ridgeway Lake Forest Swim Club	Lake Forest Swim Club	1:06.93	625
14	Courtney Gallo Aqua Crest Swimming	Aqua Crest Swimming	1:07.47	610	PB
15	Chelsey Freeman Valley Aquatics Swim Team	Valley Aquatics Swim Team	1:07.54	608
16	Vanda Gyuris Conejo Simi Swim Club	Conejo Simi Swim Club	1:07.59	606
17	Kelsey Totura Greenwood Tiger Sharks	Greenwood Tiger Sharks	1:07.76	602
18	Amy Halsey Katy Aquatics	Katy Aquatics	1:07.97	596
19	Margaret Doolittle Sacramento Aquatics	Sacramento Aquatics	1:07.98	596
20	Lindsey Russenberger Tucson Ford	Tucson Ford	1:08.13	592
21	Christie Fuchs Kansas City Blazers	Kansas City Blazers	1:09.18	566
22	Bethany Bratsos Naperville Area	Naperville Area	1:09.45	559
23	Kasey Carpenter Cincinnati Marlins	Cincinnati Marlins	1:12.84	485
–	Tiffany Lipari Cincinnati Marlins	Cincinnati Marlins	NS	–