Lisa Vittozzi of Italy had a nightmare in the last women’s biathlon competition of the season in Canada on Sunday but still ended up as World Cup champion after her big rival failed to take advantage. Vittozzi had taken the yellow jersey from Norway’s Ingrid Landmark Tandrevold on Saturday after winning the 10-kilometre pursuit in Canmore having seized Thursday’s sprint. In Sunday’s mass start over 12.5km though, Vittozzi could only finish 21st after five misses with the rifle. But Tandrevold was only eighth herself, 50.2 seconds behind race winner Lou Jeanmonnot of France, meaning the Italian…