In 2008, she cycled 400 miles (640 km) in 5 days raising over £3,000 through sponsorship and a further £4,000 by auctioning her bicycle and cycling shorts on the last day of her ride for the Help for Heroes charity.
Todd has also travelled to Afghanistan to boost the morale of the British troops stationed there. She is the charity's 'official pin-up' and patron, and has completed many challenges for Help For Heroes including skydives, wingwalks and bobsleighing and she completed the London Marathon 2010 in aid of the charity.
In 2010, Todd received an award for outstanding contribution to the charity which included a personal meeting with Prince William.