A recent fitness trend among Gen Zs has led to an influx of running influencers, with British TikToker Mary McCarthy being at the forefront.

The 25 year old has reached over one million likes on TikTok, and a combined social following of 82,000, through sharing running tips, outfits and meal prep ideas. This year McCarthy has partnered with brands including New Balance and Lulu Lemon, and has become a trainer for fitness entrepreneur Grace Beverley's Shreddy app.