EAST MEADOW (New York), Dec 1: Young Michael Phelps won his second event of the U.S. Open swimming championships by setting a meet record Friday in the 400-metre individual medley at the Nassau County Aquatics Center.

The 16-year-old Phelps, world record holder in the 200-meter butterfly, won with a time of 4:11.95, improving on the old standard by one and a half seconds and outdistancing his closest competitor by two and a half body lengths.

Phelps won the 200-metre individual medley on Thursday night.

In the 200-metre freestyle, Lindsay Benko out-touched Janelle Atkinson for the win with a time of 1:59.28 to avenge a loss to Atkinson in the 400 free on Thursday. The meeting concludes on Saturday.

Leading results (USA unless noted):

Women:

100m backstroke: 1. Louise Ornstedt (Den) 1:00.82, 2. Frances Adcock (Aus) 1:01.01, 3. Anu Koivisto 1:01.06.

200m freestyle: 1. Lindsay Benko 1:59.28, 2. Janelle Atkinson, 1:59.45, 3. Manon Van Rooyen 1:59.75

100m butterfly: 1. Mary DeScenza 59.21, 2. McCall Dorr 1:00.46, 3. Rebecca Sturdy 1:00.57

400m individual medley: 1. Alenka Kejzar (Slo) 4:38.97, 2. Maddy Crippen 4:43.03, 3. Andrea Cassidy 4:43.67

Men

100m backstroke: 1. Hong Zhe Sun (Chn) 54.73, 2. Austin Thomas 55.33, 3. David Plummer 55.43

200m freestyle: 1. Romain Barnier 1:45.47, 2. George Bovell 1:47.58. 3. Michael Phelps 1:47.70

100m butterfly: 1. Tom Malchow 53.68, 2. Ales Abersek (Slo) 54.18, 3.Honzas Vitazka 54.22

400m individual medley: 1. Michael Phelps 4:11.95, 2. Robert Margalis, 4:16.22, 3. Kevin Dupuis 4:19.55.—AFP