Push ups are a great exercise to test yourself against others. Use the "Death by Pushups test" scale to see where you stand compared to others.
The Push-Up Challenge : Home
Push-Ups Bodyweight Calisthenics
Calisthenics Base Builder
Death By Push Ups Test (Extreme Push-Up Challenge)
30 DAY PUSH-UP CHALLENGE(RESULTS GUARANTEED)
Tip: Take the Texas Push-Up Challenge
If You Can Do This Many Pushups in a Row, Harvard Scientists Say
30 day push up challenge
Death By Push Ups Test (Extreme Push-Up Challenge)
Death By Push Ups Test (Extreme Push-Up Challenge)
200 Pushups a Day For a Month — From a Fairly Fit 43 Year-Old
I Did Pushups Every Day For A Month––And The Results Were Incredible
How to Get Strong - The New York Times