Top things to know about US teen sprint sensation Erriyon Knighton, who broke Usain Bolt's world record
![adidas Running on Twitter: "𝗡𝗘𝗪 𝗪𝗢𝗥𝗟𝗗 𝗨𝟮𝟬 𝗥𝗘𝗖𝗢𝗥𝗗 🌍🤯 Senayet Getachew, you are something special. 🔥 Aged only 17, the Ethiopian has defied all before her to set a new standard in adidas Running on Twitter: "𝗡𝗘𝗪 𝗪𝗢𝗥𝗟𝗗 𝗨𝟮𝟬 𝗥𝗘𝗖𝗢𝗥𝗗 🌍🤯 Senayet Getachew, you are something special. 🔥 Aged only 17, the Ethiopian has defied all before her to set a new standard in](https://pbs.twimg.com/media/Fu3zXe9XgAcmwTi.jpg)
adidas Running on Twitter: "𝗡𝗘𝗪 𝗪𝗢𝗥𝗟𝗗 𝗨𝟮𝟬 𝗥𝗘𝗖𝗢𝗥𝗗 🌍🤯 Senayet Getachew, you are something special. 🔥 Aged only 17, the Ethiopian has defied all before her to set a new standard in
![Army runner on earning spot in final at first Olympic performance | Article | The United States Army Army runner on earning spot in final at first Olympic performance | Article | The United States Army](https://api.army.mil/e2/c/images/2021/08/06/6393b4fe/original.jpg)