Team GB star Adam Gemili has called time on his athletics career and taken up a new role in football.
Adam Gemili retires from athletics to coach Chelsea's rising stars
The 32-year-old, a World Championships 4x100m relay gold medalist in London in 2017, has switched sports to work with Chelsea's academy as a speed coach.
Gemili competed at three different Olympic Games across his career.
He broke through in 2011 while still trying to pursue a career in football when he placed second in the 100m and the 4x100m at the European U20 Championships.
He then became European Champion for the first time in 2014 as he clocked a 19.98s run in the 200m.
The Brit also won gold in the 4x100m relay that same year, and did so again in Amsterdam in 2016 and Berlin in 2018.
Gemili competed at the London Olympics in 2012, Rio 2016, and Tokyo in 2021.
He was also the first British man to break 10 seconds for the 100m and 20 seconds for the 200m.
Gemili will now work with Chelsea youngsters to develop their sprint technique.
He wrote on Instagram: "After 14 unforgettable years, it's time for me to hang up my spikes and step away from professional track and field, a sport that has shaped so much of my life."
"It's hard to put into words what an incredible journey it's been. I feel so lucky to have lived my dream for so long, and truly humbled by every moment along the way."
"Time for a new chapter, but I'll carry this one with me forever."
Gemili told SunSport: "Fifteen years of athletics has now come to an end and I'm ready to move on with my life"
"I've always wanted to do it on my own terms. People have said: 'Go for another year. Try for LA 2028.' I say: 'What for? What am I chasing?' I'm really happy with everything I've done."
"I'm really grateful for the opportunities athletics has given me. I've been able to live my dream."
"I've been able to do professional sport as a job since I was 18. I'm 32 now and I'm just ready for the next chapter."
"I'm ready for life to start. Do things that I never really got to do in my 20s. Play football with my dad twice a week. Play golf. Play padel. I can travel. Recently I got back from a trip around Europe with my girlfriend."
"I went to so many countries in Europe for racing but never really saw them properly."
"I competed amongst the best sprinters. A lot of top athletes maybe only get one Olympic cycle - I was able to go to three Olympics. Nearly four."
"Hopefully when people look back, they go: 'Adam, he did us proud, he always tried his best, he was always a good role model on and off the track.'"
Gemili continued to outline what he will and will not miss about athletics, adding: "I'll miss being in amazing shape all year round. I won't miss getting lactic acid anymore. I won't miss being sore in the middle of the night with cramps."
Gemili reveals Chelsea role
The former sprinter was on the Chelsea youth books for seven years and since last October, has been working with the club's under-13/14s as a speed coach.
"It's about teaching these guys how to move properly, how to coordinate their bodies, develop their power and speed," Gemili said.
"The right way to run, the right way to explode and accelerate moving forward. It's been really exciting."
"I'll soon be starting my own academy."
"I've been in top-level sport for so many years. I've learnt from the best coaches, best nutritionists, best strength-and-conditioning coaches. I can pass that on and help as many people as I can."
"Who knows, maybe one or two of those guys might play in the Premier League or whatever sport they want to do."