A staff restaurant cheapest erectile dysfunction pills pakistan But just as triathlon – which made its debut as an Olympic sport in Sydney in 2000, and at Olympic distance involves a 1.5km (0.9 mile) swim, a 42km (25 mile) bike ride and a 10km (6.2 mile) run – has seen its popularity soar, triathlon holidays, which encourage people to work on all three disciplines, are taking off too.