Julia Jones is a writer and running coach with over 15 years experience. She has completed 34 marathons, numerous triathlons, and four half Ironmans.

Her monthly column in Correre, Italy's most popular running magazine, has been going strong for over 20 years and she also writes for Running Times and Runners' World. Julia is based in Modena, Italy.

Shauna Reid is a runner and health and fitness blogger.

She is the author of the memoir The Amazing Adventures of Dietgirl (Transworld, 2008), and has written for People magazine, Elle, Grazia, Cosmopolitan, and Marie Claire. Shauna is based in Inverness, UK.