1891; 128 years ago (1891) is when Jack the Ripper was established  . 386 from 138 nations competed in Jack the Ripper . The official site of Jack the Ripper is chicagomarathon.com . 12 were the number of teams who competed in Jack the Ripper . 8–25 February was when it was held
There are 12 teams in sport Jack the Ripper