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Alexandra Cook
BSc(hons) Pg. Dip. RD
Sports & Eating Disorders Dietitian 
UKA Athletics Coach 

Alex is a registered clinical and sports dietitian with over 17 years of experience in dietary management, working with a variety of clients looking to make changes to their nutrition plans to better benefit their lives and sports performance. She has a BSc (Hons) in Sports & Exercise Science from the University of Birmingham and a post graduate in Nutrition & Dietetics. 


Alex specialises in endurance nutrition, supporting a range of athletes, from ultra distance enthusiasts, elite level junior athletes to supporting multi-day expeditions in challenging environments.  She has had varied experience in the past,  having worked worked with the Ministry of Defence, NHS and a number of rehabilitation and physiotherapy clinics

She also specialises in Eating disorders, working in NHS clinics with young people and adults. She works regularly with athletes suffering from RED-s or aspects or disordered eating that may be affecting their health and performance. 


She is a contributor to a number of brands and publications within the diet and fitness industries including Redbull, Athletics Weekly, Runners World,Trail Running magazine, Fit and Well and Cosmopolitan. 

Alex is a qualified Athletics Coach with UK Athletics. She coaches her own squad with her local club Wycombe Phoenix Harriers and runs her own running groups in the local community to help individuals reach their running  goals. 

Alex has been a competitive runner for almost 20 years.. Her experience in the sports helps her identify and work successfully with a number of professional and amateur athletes on improving performance through diet and nutrition. 

Recent Races


 Endurance life Exmoor Marathon 1st place (course record)

Marlborough Challenge 33miles - 1st place 

Clywydian Range Ultra 30 miles - 1st place


SouthDowns Marathon  - 4th place

Race to the Stones - 2 days - 1st place

Endurance Life Gower Ultra 55km - 1st place (course record)


Endurance Life Snowdonia Ultra 47 miles 1st place

Grands Raids des Pyrenees 43 km  - 2nd place


The North Face Lavaredo Ultra Trail 120km 6000m ascent - 6th GB female 


London Marathon - broke 3 hours!  - 2:57


 Bristol and West Elite 5km  - 17:13 

Farnborough Half marathon   -1:21

Manchester Marathon  - 2:54 


UTS 50km Snowdonia Ultra 

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