By Sarah Lumley Charitable Brits raised a whopping £57million last year – from walking challenges alone, figures have revealed. Other big money-makers when it came to fundraising events included football activities, which raised £8.4million over the last 12 months, and hiking, which brought in £3.7million. But when it comes to physical activities that surged in popularity the most, sponsored skipping topped the list – with a leap in interest of 286%, collecting £230,000. Other fundraisers Brits were most eager to try out included car washes, which raised £47,000 after a 47% popularity rise. An…