


Jack Bywater is a marathon and an ultra-marathon runner, running coach, and Brand Manager at Gymshark. With four marathons already under his belt - including a 2:40:02 in New York - and a finish at the UTMB Wildstrubel Ultra in the Swiss Alps, he knows what it takes to push past limits.
Now, he's set his sights on the Chicago Marathon in 2025, with dreams of chasing a Boston qualification.
Alongside his own training, Jack coaches other runners, creating bespoke training plans to help them hit their running goals hit their goals. His philosophy? Running is tough - but that's exactly what makes it worth it.