Katy Winton & Keegan Wright in the lead at Emerson's 3 Peaks Enduro.

Held in searing heat in the hills above the city of Dunedin, New Zealand, the opening day of the Emerson's 3 Peaks Enduro saw the world's top athletes rise to the top with Keegan Wright, of Rotorua, building a 13-second buffer in the men's and Katy Winton, of Peebles, Scotland, extending her lead to 35 seconds in the women's.