john maguire has been at the lee valley white water centre to find out. clarke goes to work at the lee valley white water centre north of london. and this is his office. joe took gold in the kayak slalom at rio in 2016. commentator: the time of 88.7 could be beaten. i it is! 0h, sensational! the winning margin — a fraction of a second, a blink. the margins are so tight in this sport and that's why the training is so intense. since rio, joe's been through more twists and turns than a slalom run. he failed to qualify for the last olympics in tokyo 2020 and, in recent months, has become a father to hugo, giving him a new focus. i'm doing this to put food on the table for hugo and for belle. so it's very much a case of it's notjust me any more — if it doesn't quite go to plan, i can eat some beans on toast. i'm not sure that's going to go down very well, is it, mate? so, yeah, it's very much a case of this is my living and i've got a mortgage, i've got a child. so it's very much like the focus has changed from notjust me. i'm doing it for my whole family now.

john maguire is at the lee valley white water centre this morning to find out.he lee valley white water centre. the pumps have not been turned on so it looks fairly benign. if you have been here on one of the white water rafting trips you have probably come under the bridge and thought what has happened to me the last couple of minutes? it is rather extreme. the gold standard for this type of course, cour5e5 gold standard for this type of course, courses that have been built since london 2012 have followed the same sort of design. so good the world championships will be here in september. the french team were here practising last week in anticipation of the world championships and they are very good, they will certainly be amongst the medals at their home games. an incredible venue. we were game5. an incredible venue. we were here last week to meet a previous 0lympic here last week to meet a previous olympic champion hoping to become a future 0lympic olympic champion hoping to become a future olympic champion once again. every day, twice a day, joe clarke goes t