From working in the City to endurance runner, Shona Douglas Thomson has had a huge change in direction. Hear her talk about what motivated her to run 7 marathons on 7 continents (she is one of less than 100 members of the Seven Continents Marathon Club alongside notables such as Sir Ranulph Fiennes), the challenges she has faced along the way and her recent experiences in the North Pole Marathon.
Shona and her trainer David Arnot – a highly experienced personal trainer with high profile clients including fitness models, athletes, rowers and rugby players – will both be speaking in Ellis Brigham Mountain Sports stores: London 13th May Manchester 15th May Glasgow (her hometown) 22nd May.
Proceeds from the talks will go to Shona’s nominated charity Dame Kelly Holmes Legacy Trust and the 5×50 Challenge. Ticketscost £8 and are a available from www.ellis-brigham.com
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Last Updated on 13 January 2026 by the5krunner
My favourite kit and nutrition
- Injinji – Runners protect your toes. Avoid discomfort and minor injury. Run more. Run faster. I use them.
- Garmin 90-degree charging adapter — The small adapter that keeps your charging cables tidy. Essential for race day. I use one.
- Garmin charging puck — the fastest and most reliable way to top up your Garmin before a session. I use one.
- Ravemen FR300 — Front light that mounts directly under your Garmin or Wahoo head unit. Keeps your bars clean and your beam pointed where it matters. I use one.
- Body Glide – The blue anti-chafe stick that all swimmers and many runners use. I use it.
- Maurten — The race nutrition trusted by elite athletes. Gels and drink mixes engineered to be easy on the stomach. I use them.
- Garmin Varia RTL515 — A radar rear light that alerts you to vehicles approaching from behind. Pairs with your Edge or Garmin watch. I use this model.
- Favero Assioma Pro RS2 — The power-meter pedals most serious cyclists choose. Accurate, easy to move between bikes. I use this model.
- Garmin Forerunner 970 — A serious choice for a pro-grade triathlon watch. I use this.
- Polar H10 — My daily driver for accurate, waking HRV readings.
- Wahoo ELEMNT Roam 3 — The bike computer that has the feature Garmin lacks: usability. I use mine on most rides.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. ID
