I guess I'm as prone to gamification as the next guy. I joined the Strava March 100km challenge midway through the month having run just a few days in the first half of the month, and I really really wanted to finish the challenge so I was pulling stuff like this towards the end:
That's more than one Bay to Breakers length around Palo Alto Airport, all so that I could get above the 100km mark just before the calendar turned to April!