Greg Searle saw off his rivals in a desperately tight group to become the first man to reach the final of Superstars.
The Olympic rower turned America's Cup sailor was made to dig deep throughout.
But he called on deep reserves of power and stamina to ride to glory in the last event - the bike ride.
Brother Jonny fared less well, collapsing at the finish after a gruelling climb to slip down the rankings.
Former England rugby international Phil de Glanville clung onto the second qualification spot, after back-to-back winning performances in the kayak and the golf.
But Henry Olonga's bid to be a Superstar was stopped by injury, after the lightning quick cricketer had blitzed the field in the 100m and 800m.
Big names John Regis and Colin Jackson disappointed their many fans in La Manga.
The athletes were banned from the short sprint and may rue their uncomfortable relationships with the water events after finishing well adrift overall.
Boxer Wayne McCullough also fell short, and he may have to rethink a squat thrust technique that ripped his feet to shreds, effectively ending his hopes.
"Psycho" Stuart Pearce and Mark Foster gave everything and entertained with their battling efforts.
But both men narrowly missed out on a place in the final.