This challenge is one of the most annoying ones, and I thought I had completed but it turns out I have not.
To do this properly because of the chance of a random gamer spoiling it, you would need a full 12 player lobby in order to do it.
This could be seen as boosting though so just be carefull.
Anyway here is my profile incase, however I am in the UK and I think most of you are in America.
damn hated this one, good luck finding players/lobbys who will stay 3min. triple capped! we did after like 2-3 hours pretty shitty