We're getting involved with the 2.6 Challenge, and we'd love you to join us!   People across the country - including celebrities like Usain Bolt, Trevor Nelson and Helen Richardson-Walsh - are taking on a challenge involving the number 2.6 (or 26) to help Save UK Charities. The Chilterns MS Centre, like many other UK Charities, is in a funding crisis right now and need help to reach our 35th Birthday this September.  To do this, we need you -…