The following is a list of world, American, U.S. Open and meet records set at the 2008 U.S. Olympic Trials - Swimming:

9 WORLD
Michael Phelps, 400m IM
Katie Hoff, 400m IM
Hayley McGregory, 100m Back (p)
Natalie Coughlin, 100m Back (p)
Natalie Coughlin, 100m Back  
Aaron Peirsol, 100m Back
Aaron Peirsol, 200m Back (F)
Michael Phelps, 200m IM (F)
Margaret Hoelzer, 200m Back (F)

21 AMERICAN
Phelps, 400m IM
Hoff, 400m IM
McGregory, 100m Back (p)
Coughlin, 100m Back (p)
Coughlin, 100m Back (f) 
Peirsol, 100m Back
Larsen Jensen, 400m Free
Jason Lezak, 100m Free (p)
Garrett Weber-Gale, 100m Free (p)
Lezak, 200m Free (sf)
Hoff, 200m IM (F)
Hoff, 200m Free (F)
Cullen Jones, 50m Free (P)
Aaron Peirsol, 200m Back (F)
Michael Phelps, 200m IM (F)
Lara Jackson, 50m Free (P)
Margaret Hoelzer, 200m Back (F)
Garrett Weber-Gale, 50m Free (F)
Jessica Hardy, 50m Free (SF)
Dara Torres, 50m Free (SF)
Dara Torres, 50m Free (F)

19 U.S. OPEN RECORDS (set on American soil)
Phelps, 400m IM
Hoff, 400m IM
Jensen, 400m Free
McGregory, 100m Back (p)
Coughlin, 100m Back (p)
Phelps, 200m Free
Coughlin, 100m Back (f)
Peirsol, 100m Back
Lezak, 100m Free (p)
Weber-Gale, 100m Free (p)
Phelps, 200m Fly
Lezak, 100m Free (sf)
Hoff, 200m IM (F)
Hoff, 200m Free (F)
Cullen Jones, 50m Free, (P)
Aaron Peirsol, 200m Back (F)
Michael Phelps, 200m IM (F)
Margaret Hoelzer, 200m Back (F)
Garrett Weber-Gale, 50m Free (F)

47 MEET RECORDS
Julia Smit, 400 IM
Elizabeth Beisel, 400 IM
Hoff, 400 IM (p)
Hoff, 400 IM (f)
Phelps, 400 IM
Jensen, 400m Free
McGregory, 100m Back (p)
Coughlin, 100m Back (p)
Christine Magnuson, 100 Fly (SF)
Rebecca Soni, 100m Breast (p)
Jessica Hardy, 100m Breast (sf)
Randall Bal, 100m Back (p)
Kate Ziegler, 400m Free (p)
Coughlin, 100m Back (f)
Peirsol, 100m Back (sf)
Bal, 100m Back (sf)
Hoff, 400m Free
Hoff, 200m Free (p)
Hoff, 200m IM (p)
Hoff, 200m Free (sf)
Phelps, 200m Free
Coughlin, 200m IM (sf)
Hoff, 200m IM (sf)
Coughlin, 100m Back
Peirsol, 100m Back
Phelps, 200 Fly (sf)
Lezak, 100m Free (p)
Weber-Gale, 100m Free (p)
Hoff, 200m Free
Phelps, 200m Fly
Hoff, 200m IM
Lezak, 100m Free (sf)
Elaine Breeden, 200m Fly (sf)
Natalie Coughlin, 100m Free (P)
Cullen Jones, 50m Free (P)
Hayley McGregory, 200m Back (P)
Elizabeth Beisel, 200m Back (P)
Aaron Peirsol, 200m Back (F)
Michael Phelps, 200m IM (F)
Lara Jackson, 50m Free
Erik Vendt, 1500m Free (P)
Margaret Hoelzer, 200m Back (F)
Garrett Weber-Gale, 50m Free (F)
Jessica Hardy, 50m Free (SF)
Dara Torres, 50m Free (SF)
Dara Torres, 50m Free (F)
Peter Vanderkaay, 1500m Free (F)