BOBSLEIGH: Bree Walker has cemented Australia's best ever Olympic bobsleigh result, as she jumped up the leaderboard to finish fifth after a pulsating final day of racing in the women's monobob.
Bobsled Bree makes history with Olympic top 5

BOBSLEIGH: Bree Walker has cemented Australia's best ever Olympic bobsleigh result, as she jumped up the leaderboard to finish fifth after a pulsating final day of racing in the women's monobob.