Courtesy of WOWSA, Huntington Beach, California. The Hotel Rottnest Port to Pub swim is a 20 km and 25 km marathon swim in Perth, Western Australia in the iconic Rottnest Channel from Leighton Beach to Rottnest Island. 25 km Results 1. Bradley Smith 5:34:33.1 (13:22 min/km) 2. Rebekah Weller 6:08:57.0 (14:45 min/km) first female 3. Naomi Watters 6:18:06.9