miassinclair

Mia Sinclair is a UK-based fitness and lifestyle creator on TikTok with 124K followers, producing exclusively video content centered on gym culture, workout aesthetics, and travel — most notably weaving in destination fitness content such as her recent Bali series. Her tone is warm, aspirational, and community-driven, with a strong focus on glute training, gym motivation, and "gym girl" identity, reflected in her consistently top-performing hashtags like #gymgirl, #gymmotivation, and #gymtransformation. She is an exceptionally strong fit for activewear and athleisure brands, having established paid partnerships with AYBL, Gymshark, DFYNE, and Oner Active — four of the most prominent names in the women's fitness apparel space — suggesting she is already trusted and sought out within that category. Her standout signal is an extraordinary 85% engagement rate, which, even accounting for TikTok's typically higher benchmarks, indicates a highly responsive and loyal audience that actively engages with her content and discount codes, making her particularly valuable for conversion-driven or affiliate-style campaigns.