Jen holds a BSc (Hons) in podiatry and an MSc sport & exercise medicine, both specialising in distance running. She has worked in the NHS and private practice treating runners of all levels, and has undertaken extensive research into training and injury in distance runners. She is currently working towards a PhD exploring psychology and philosophy in runners. Jen has run through two pregnancies, returning to high-level running post-partum.

Sim is a UKA qualified running coach with extensive experience working and playing in extreme environments, including expeditions in Iceland and the Himalayas, and climbing, running and mountaineering across the UK and Europe. He is a kit and navigation (paper and digital) expert.

We have completed over 100 marathons and ultras, Ironman triathlons and adventure races, juggled work and training around two young children, and built a successful career writing about running and other outdoor adventure sports. We have written regularly for Runner's World, Women's Running, Trail Running, komoot, Walk, Trail, and Country Walking magazines, and the national press, for many years. We have also authored several books on running and outdoor adventure.