I’ll be doing a slightly-silly personal challenge that I made up: walk 7,777,777 steps, write 777,777 words, do 77,777 jumping jacks, 7,777 press-ups, eat 777 different types of fruit, achieve target weight of 77kg, and run 7 10K races.
https://medium.com/@7sevens/the-seven-sevens-challenge-c7b7d...