Cycling: Rob Hayles to have operation

Rob Hayles, who was flown home by air ambulance from the World Cup track meeting in Milan after spending a night in hospital following a heart problem, is to have an examination at the British Olympic Medical Centre today. Hayles, 24, from Portsmouth, who was due to compete in the team pursuit event, was found to have an erratic heartbeat after being taken ill at his hotel.

RTTC NATIONAL 50-MILE CHAMPIONSHIP (Crawley, Sussex): 1 S Yates (Team Clean) 1:43:33; 2 G Butler (Norwood Paragon) 1:45:52; 3 G Platts (Coalville Wh) 1:47:14; 4 S Dangerfield (Wheelbase CC) 1:47:34; 5 S Howes (Giant RT) 1:47:58; 6 G Dighton (Leo RC) 1:48:37. Team: Leo RC 5:28:54.

TOUR OF SWITZERLAND Sixth stage (31.5km time trial, Spiez): 1 D Extebarria (Sp) 3hr 55min 56sec; 2 L Piepoli (It) +11sec; 3 F Casagrande (It) +21; 4 O Camenzind (Swit) 43; 5 F Carcia Casaa (Sp) +1:02; 6 S Garzelli (It) +1:06. Overall standings: 1 C Agnolutto (Fr) 18:43:18; 2 Camenzind +5:14; 3 Ullrich +6:15.

TOUR OF CATALONIA Fourth stage (130km, San Juan Despi to Barcelona) Leading positions: 1 J Svorada (Slovak) Mapei 3hr 26min 24sec; 2 F Colonna (It) Asics; 3 F Moncassin (Fr) Gan; 4 M Strazzer (It) Rosslotto; 5 E Cassani (It) Polti; 6 L Michaelsen (Den) TVM; 7 I Flores (Sp) Euskadi; 8 A Leanznibarrutia (Sp) ONCE; 9 A Edo (Sp) Kelme; 10 J Hunt (GB) Banesto all same time. Overall standings: 1 C Boardman (GB) Gan 14hr 34min 26sec; 2 A L Casero (Sp) Banesto +12sec; 3 F Escartin (Sp) Kelme +23; 4 A de las Cuevas (Fr) Banesto +33; 5 A Leanizbarrutia (Sp) ONCE +33; 6 A Gonzalez (Sp) Euskadi +33; 7 A Marino (Sp) Banesto +33; 8 B Voskamp (Neth) TVM +36; 9 P Tonkov (Rus) Mapei +39; 10 M Zarrabeitia (Sp) ONCE +40.