Sporting Digest: Athletics

CARL LEWIS has decided not to run in the 4 x 400 metres relay at the Stuttgart world championships and will concentrate on the 100 and 200 metres. 'He wants to give Leroy (Burrell) and some of the younger runners a chance,' Joe Douglas, his business manager, said yesterday.

AFRICAN CHAMPIONSHIPS (Durban, SA, winners only): MEN: Javelin: 1 T Petranoff (SA) 82.40m. WOMEN: 10,000m: 1 B Adere (Eth) 32min 48.52sec. Long jump: 1 C Opara (Nigeria) 6.57m.