Back when I cycled in a group Strava had a similar effect, you could see how many miles your friends had gotten in and would want to beat it (same with the mini

Back when I cycled in a group Strava had a similar effect, you could see how many miles your friends had gotten in and would want to beat it (same with the mini time trials (strava segments) but they got dangerous with people doing stupid things to 'win'. These days I ride alone and the only number I care about is my total for last week.