Springboard: the secret history of the first real smartphone #History @Verge

My first Guinness World Record! Most back handsprings in 30 seconds. As you can see by the end I was very dizzy. What made this so special was the fact that just a few months before this I experienced my first mental block in gymnastics. I could not even do one back handspring. I had to relearn how to tumble all over again. 💪🤸🏽‍♀️ #GWR2025 | Chelsea Werner

❌ @guinnessworldrecords ❌ ⭕️ 29 back handsprings on 10 meters depth ⭕️ I received an unusual request: can you do a world record in most back handsprings on 10m depth on a single breath? More than 11? My reply was simple: Yes. I will double your record. I did 29 back handsprings in a bit over 4 minutes. It is always fun to do gymnastics elements and adding breath hold was a cool twist, especially on 10 m depth where it was a challenge to predict O2 levels and avoid shallow water BO. Very cool tra