The STRANGEST superlative?

Have you ever tried
walking backwards?

It is not a popular sport, but a few people enjoy it! The world record for walking backwards is 12,875 kilometres. Plennie Lawrence Wingo from Texas, was 36 years old when he walked backwards for 18 months – from Santa Monica, California to Istanbul, Turkey, from April 15, 1931 to October 24 in 1932.

Nobody has ever broken this record. Would you like to try?

Plennie was born in January 24, 1895 and died October 2, 1993, when he was 98 years old.

What is a superlative?