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Performance Nutrition

Nutrition is one of the cornerstones of effective training, performance and recovery. At RunningwithUs we passionately believe that sport needs to be balanced with a healthy lifestyle and grounded approach to nutrition, you can't get the most of our sport without it. That's why we work with Alexandra Cook RD - one of the top names in sports nutrition.

About Alex

Alex has written for a number of publications within the sport and fitness industries including Athletics Weekly, Running Fitness,Trail Running magazine, Fit and Well and Ultra magazine. Alongside working with brands such as the North Face and Adidas Alex headed the Nutrition Advice zone at The National Running Show at the NEC and works with England Athletics to provide nutrition advice to coaches and athletes at talks around the UK. 

Alex is a competitive distance runner with almost 20 years experience over various distances. She  entered the world of Ultra marathons in 2015 and has placed 1st in all six 50km and 100km races she has competed in to date. Over her running career she has achieved PB’s of 36:10 min for 10km, 81 minutes for half marathon and 3hr 10 minutes for the marathon. She is a UKA athletics coach which gives her a real understand of the essential fit between training and nutrition. 

Alex is a sports dietitian specialising in endurance nutrition. She has a BSc Sports & Exercise Science (2003) and post grad in Nutrition & Dietetics (2005). Over her 13 year career, she has worked in a variety of environments such as the NHS, British Army and as part of a research team with the Institute of Naval Medicine. For the last 5 years she has run my own sports nutrition consultancy (thesportsdietitian @ Diet360) based in Berkshire working with a variety of clients and teams from amateur to elite level. Her workload also includes supporting promising junior athletes at county and national level and has led her to becoming one of the best known and most authoritative voices in endurance sport nutrition. 

Find out more by emailing

Photos: Daniel Varga @danvpix

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