Sarah Hammer

England's Laura Trott poses on the podium after winning the gold medal in the women's 25km points race cycling event in the Sir Chris Hoy Velodrome during the 2014 Commonwealth Games in Glasgow, Scotland on July 27, 2014
Result: Laura Trott wins unprecedented fourth Olympic gold
Laura Trott wins an unprecedented fourth Olympic gold with victory in the omnium in Rio, becoming the most successful British female Olympian of all time.
Aug 16, 21:43
GB's Dani King, Elinor Barker and Laura Trott celebrate Gold in the team pursuit on day two of the UCI Track Cycling World Championships at the Minsk Arena on February 21, 2013
Result: Laura Trott wins omnium silver at Track Cycling World Championships
Britain's Laura Trott wins a silver medal at the Track Cycling World Championships in Minsk, finishing narrowly behind Sarah Hammer of the USA in the omnium competition.
Feb 24, 12:22
Olympic rings
Result: Team GB's Laura Trott wins women's omnium's gold
Team GB's Laura Trott wins gold in the women's omnium.
Aug 7, 17:20