His foot has started to heal although he has avoided putting too much pressure on it.
Clark said continuing with the race meant the GB team benefitted as only the top three finishers from each team contributed to their country’s finishing position.
“I realised I was the third runner so needed to pick up as many places as possible to get the best result for our team.
“I just knew I had to just grit down and get it done for GB.”
The British team had initially been placed 4th as Clark’s timing chip was in his discarded shoe.
“When they realized what had happened and they counted my result in, we were really lucky to get second,” added the speedy teenager.