BEIJING, August 19, 2008 (AFP) - Olympics results in athletics on Tuesday in the Olympic Stadium:

400m men (Semi-finals - 2 first of each heat and 2 best times qualified for next round):

. Heat 1

1. Jeremy Wariner (USA) 44.15 Q

2. Christopher Brown (BAH) 44.59 Q

3. Kevin Borlee (BEL) 44.88

4. Nery Brenes (CRC) 44.94

5. Saul Weipogwa (Nigeria) 45.02

6. Williams Collazo (CUB) 45.06

7. Tabarie Henry (ISV) 45.19

8. Claudio Licciardello (Italy) 45.64

. Heat 2

1. Leslie Djhone (France) 44.79 Q

2. David Neville (USA) 44.91 Q

3. Joel Milburn (Australia) 45.06

4. Ricardo Chambers (JAM) 45.09

5. Jonathan Borlee (BEL) 45.11

6. Godday James (Nigeria) 45.24

7. Andretti Bain (BAH) 45.52

8. Andrew Steele (Britain) 45.59

. Heat 3

1. Lashawn Merritt (USA) 44.12 Q

2. Martyn Rooney (Britain) 44.60 Q

3. Johan Wissman (Sweden) 44.64 q

4. Renny Quow (TRI) 44.82 q

5. Senga Gary Kikaya (COD) 44.94

6. Michael Mathieu (BAH) 45.56

7. Sean Wroe (Australia) 45.56

8. Cedric van Branteghem (BEL) 45.81