Marley O'Toole and Mark Osmond are competing in different categories at the same wakeboarding competition.
The wildfire has fire spread across about 10 hectares (25 acres) near the Hampshire-Surrey border.
Nigel Dunlop was at the Royal Military Academy Sandhurst when he suddenly collapsed after work.
The blaze is estimated to cover about six hectares of heathland, according to the fire service.
Temperatures on some hospital wards reached 35C during the recent heatwave, a hospital boss says.
Camberley's Remembrance Day event will run as a community-led event, the Royal British Legion says.
Jon Crane says he wouldn't walk the route himself as it becomes a "mud bath" during wet weather.
A petition against the possible site of the new Frimley Park Hospital has over 14,000 signatures.
The local authority, which needs to make a £3m annual saving, says the event is not sustainable.
