File photo dated 21/01/12 of former Wales rugby captain Gareth Thomas who is taking part in a 140-mile Ironman triathlon, a day after revealing he is HIV positive.
Prime Minister David Cameron (right) looks at a T-shirt given to him by former rugby player Gareth Thomas, during a reception in 10 Downing Street, central London, attended by senior figures in British sport, to discuss homophobia and transphobia in sport.
Gareth Thomas, Celtic Crusaders
Celtic Crusaders' Gareth Thomas is tackled by Salford City Reds' Chris Nero (front) and Matty Smith during the Engage Super League match at the Millennium Stadium, Cardiff.
Gareth Thomas, Celtic Crusaders
Celtic Crusaders' Gareth Thomas tackles Huddersfield Giant's David Hodgson
Celtic Crusaders new signing Gareth Thomas poses for photographers following the press conference at The Racecourse Ground, Wrexham.
Cardiff's Gareth Thomas (centre) is tackled during the Heineken Cup match at Twickenham Stoop, London.
Cardiff's Gareth Thomas (centre) is tackled during the Heineken Cup match at Twickenham Stoop, London.
Injured Gareth Thomas of the Cardiff Blues sits on the bench at half time during the tour match at the Cardiff City Stadium, Cardiff.
Cardiff Blues' Gareth Thomas hands off the tackle of Gloucester's Nicky Robinson during the LV Cup match at Kingsholm Stadium, Gloucester.
Gareth Thomas, Cardiff Blues
Wales captain Gareth Thomas collects his baggage as he arrives back at the Vale of Glamorgan Hotel, Cardiff.
Wales' Gareth Thomas after his team concede the third try