Five dedicated people have been running their socks off in preparation for next month’s London Marathon.
If that wasn’t impressive enough, they’re running to raise funds for the people we support at Certitude.
Click on their stories below to read about what led them to commit to such a sporting challenge, why they’re running for Certitude and how you can support them.
"It's a fantastic challenge and to be able to do it in your home city for a fantastic charity is too good an opportunity to miss!
For me it's the ultimate test, I'm never going to run further than this and I'll probably never do it again, so it's really exciting."
"All the way back in April 2010 I ran the inaugural Brighton Marathon...my second attempt was abysmal - I think I cried for about 24 of the 26 miles! So now, 11 years on, my motivation is back, and I have a fantastic opportunity to end my marathon running days on a high."
"I'm back, slow and steady ...one mile at a time!"
Roz talks about why, following two cancer diagnosis, she is running her 94th marathon this year for Certitude
What’s been the hardest moment in your training so far?
"The alarm going off at 5am... it's been tough"
"I believe that a community can only be judged by the way it supports the less able and less privileged; for those reasons, I believe that it would be a pleasure and honour to be part of the Certitude team. "