Could you run away from a black mamba?
This website lets you compete in a real sprint against animals. Click the link, allow gps and go onto a 10 seconds sprint to measure your max speed. Then, you'll be presented with a list of animals you could run away from and learn more about them.
Try for yourself at: survivalofthefastest.com
Semifinalist in the Adobe Design Achievement Awards (ADAA) 2017