I just had the game of my life and it's not showing up in my game history. Anyone know why?

I'm not great at halo reach, but I got a 63 kill, 20 death game where we were outnumbered. That's the most kills I've ever got in one game, and when I go to check it in my history, it shows up as a ctf game where I have zero kills. In theater, it shows a nine second clip but no game footage. Everyone has 0 kills at the end. Does anyone know what could be happening here? gamertag is cujo5050.