2003 HK Duathlon - 1st event 2004/01/04 Bride's Pool Road
| Male Elite Junior | Chan Ye Ko, Ricco (5G) | Champion
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2003 ITU World Triathlon Championship 2003/12/06 Queensland, New Zealand
| Male Elite Junior | Chan Ye Ko, Ricco (5G) | HK Representative
|
Asian Triathlon Champion 2003/11/02 India
| Male Elite Junior | Chan Ye Ko, Ricco (5G) | 6th
|
2003 ITU HK International Triathlon 2003/09/21
| Male Elite Junior | Chan Ye Ko, Ricco (5G) | Champion
|
Hong Kong International Triathlon: 2003 Asian Cup Series 2003/08/31 Taipa, Macau
| Male Elite Junior | Chan Ye Ko, Ricco (5G) | Champion
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