![Runner's World](https://s3.amazonaws.com/weyland.altmetric.com/news_sources/logos/000/000/254/normal/image.png?1374573948)
Have you tried TikTok's 3-2-8 challenge?
Runner's World,
Social media loves a good fitness trend, whether it’s the 12-3-30 workout or the 75 Hard Challenge.
Social media loves a good fitness trend, whether it’s the 12-3-30 workout or the 75 Hard Challenge.
Social media loves a good fitness trend, whether it’s the 12-3-30 workout or the 75 Hard Challenge.
Social media loves a good fitness trend, whether it’s the 12-3-30 workout or the 75 Hard Challenge.