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Hi, I'm Rebecca — sports nutritionist, ultra runner, and the person who'll help you figure out what to eat.

I started taking nutrition seriously when I was training for my first ultra marathon and kept running out of energy on the long training runs. I tried eating more, eating less, eating different things — and learning more about sports nutrition to fuel my own adventures.

That curiosity led me to an MSc in Sports and Exercise Nutrition, accreditation from the Sport and Exercise Nutrition Register (SENr), and on to working with runners and triathletes at every level — from first-timers to people chasing the sharp end of their age group. And personally, to a lot of time on trails, in races, and in aid stations eating whatever is available.

Trail runner in the mountains

Qualifications and accreditations

MSc Sports and Exercise Nutrition

The academic foundation for everything I do. Evidence-based, not trend-led.

Registered nutritionist (SENr)

The UK's gold-standard register for sports nutrition practitioners, accredited by the British Dietetic Association.

SENR registered sports nutritionist accreditation logo — Rebecca Palser

What working together looks like

I don't hand you a plan and wish you luck.

 

Good nutrition coaching is a partnership — I need to understand your training, your life, your preferences, and what you've already tried. You need to be willing to experiment, give honest feedback, and make some changes.

 

When that works, athletes see the results: they train more consistently, recover better, arrive at race day fuelled properly rather than guessing. Not because of dramatic changes — usually because of the right small changes, applied consistently.

All sessions are online, so we can work together wherever you are.

I practice what I preach

My first marathon was in 2004. My first triathlon followed in 2005, back when finishing was the only goal. My first ultra was in Hong Kong in 2013 — partly because Hong Kong roads don't lend themselves to very long runs, and trails turned out to be considerably more interesting.​

 

Last year I was focused on trying to rediscover my running speed and dabbling with swim-bike-run. I completed the Outlaw Gravel Sprint Tri and a challenging one-mile swim in the London Docks. Both confirmed that the things I tell clients about fuelling for multi-discipline events are correct, and also that the London Docks are cold.

 

This year, I'm fully focused on a return to ultra running — I ran the Arc of Attrition 25 in January and have the South Downs Way 50k, and Race to the Stones booked in as I build towards a 100-miler in the Autumn.

 

I use the nutrition strategies I recommend with clients on myself, in races, in all conditions. I know what it feels like to get fuelling wrong at mile 30. I also know what it feels like to get it right. That experience shapes how I work. 

Rebecca Palser ultramarathon running on the trail, fuelled by evidence-based nutrition

A bit more about me

Away from running and nutrition, I spend a lot of time in the kitchen — I'm vegetarian and really enjoy cooking, usually inspired by what's coming out of a small and optimistic vegetable plot.

 

I love being outside, exploring on foot, and finding excuses to be somewhere interesting.

How I can help

1:1 Consultations

One session to get clear on your nutrition and what to change. From £150.

Perform Better Packages

3–6 months of nutrition support across your whole training block. From £250.

Online courses

Four-session online courses for marathon and ultramarathon runners.

Workshops

For running clubs, sports teams and corporate groups

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© 2026 Eat Well Perform Better | Sports Nutritionist

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