17-18 National Age Group Records Boys National Age Group Short Course Girls National Age Group NAME LSC TIME YEAR EVENT NAME LSC TIME YEAR Caeleb Dressel FL 18.67 15 50 Free Simone Manuel PC 21.32 15 Ryan Hoffer AZ 41.23 15 100 Free Simone Manuel PC 46.09 15 Maxime Rooney FL 1:32.18 17 200 Free Missy Franklin PC 1:40.31 14 Michael Phelps MD 4:12.33 04 500 Free Katie Ledecky PV 4:26.58 15 Robert Finke FL 8:45.50 18 1000 Free Katie Ledecky PV 8:59.65 15 P.J. Ransford MI 14:34.36 15 1650 Free Katie Ledecky PV 15:13.30 14 Ryan Murphy PC 44.63 14 100 Back Regan Smith MN 49.66 19 Ryan Murphy PC 1:37.35 14 200 Back Regan Smith MN 1:47.16 19 Reece Whitley MA 51.16 18 100 Breast Miranda Tucker IN 58.10 16 Reece Whitley MA 1:51.43 17 200 Breast Ella Nelson SE 2:05.63 20 Thomas Shields CA 44.91 10 100 Fly Olivia Bray VA 50.19 19 Nicolas Albiero KY 1:40.85 18 200 Fly Ella Eastin PC 1:51.04 16 David Nolan MA 1:41.39 11 200 I.M. Ella Eastin PC 1:51.65 16 Andrew Seliskar PV 3:37.52 15 400 I.M. Ella Eastin PC 3:58.40 16 Nation's Capital PV 1:19.55 15 200 Free Rel. Nashville Aquatic Club SE 1:29.69 20 SwimMAC NC 2:56.15 13 400 Free Rel. SwimMAC NC 3:16.62 15 Carmel Swim Club IN 6:23.21 19 800 Free Rel. SwimMAC NC 7:07.82 14 Nation's Capital PV 1:26.47 15 200 Med. Rel. Nashville Aquatic Club SE 1:38.98 20 Nation's Capital PV 3:12.50 15 400 Med. Rel. SwimMAC NC 3:37.83 14 Long Course Caeleb Dressel FL 21.53 15 50 Free Simone Manuel GU 24.56 14 Caeleb Dressel FL 48.78 15 100 Free Simone Manuel GU 53.25 14 Michael Phelps MD 1:45.99 03 200 Free Katie Ledecky PV 1:54.43 16 Larsen Jensen CA 3:46.08 04 400 Free Katie Ledecky PV 3:58.37 14 Larsen Jensen CA 7:48.09 03 800 Free Katie Ledecky PV 8:06.68 16 Larsen Jensen CA 14:45.29 04 1500 Free Katie Ledecky PV 15:25.48 15 Ryan Murphy FL 53.38 13 100 Back Regan Smith MN 57.57 19 Aaron Piersol CA 1:55.15 02 200 Back Regan Smith MN 2:03.35 19 Michael Andrew MV 59.82 16 100 Breast Kasey Carlson PC 1:05.75 09 Daniel Roy PN 2:09.73 18 200 Breast Lilly King IN 2:24.47 15 Michael Phelps MD 51.10 03 100 Fly Regan Smith MN 57.34 20 Gianluca Urlando SN 1:53.84 19 200 Fly Regan Smith MN 2:06.39 20 Michael Phelps MD 1:55.94 03 200 I.M. Alex Walsh SE 2:09.01 19 Michael Phelps MD 4:09.09 03 400 I.M. Elizabeth Beisel NE 4:31.78 11 Dayton Raiders OH 1:33.24 17 200 Free Rel. SwimMAC NC 1:44.37 13 Dynamo Swim Club GA 3:23.01 19 400 Free Rel. SwimMAC GA 3:45.51 15 Mason Manta Rays OH 7:24.52 19 800 Free Rel. Palo Alto Stanford Aquatics PC 8:10.38 11 Bellevue Swim Club PN 1:42.98 19 200 Med. Rel. King Aquatic Club PN 1:54.52 14 Dynamo Swim Club GA 3:44.00 19 400 Med. Rel. King Aquatic Club PN 4:11.47 14.