Legendary Campaign Help under 3 hours challenge

Can anyone help me beat halo 2 or halo 1 on legendary under 3 hours?

Add me. I’m looking to do some speedruns in HCE and H2.

> 2535458269032348;2:
> Add me. I’m looking to do some speedruns in HCE and H2.

My gamertag is Exo Validus! Add and message me please!