Mod from Xbox board here, would enjoy seeing some others run :)

https://www.speedrun.com/doom_xbox

Timer begins on Episode select, ends on first frame screen melt in E_M8.

If you stream on Twitch, I recommend using tag options/communities like 'retro' 'Doom' 'FPS' or just 'Speedruns'. You could join us on the console discord also and let people know when your streaming PB's https://discord.gg/7UdhBBQ

There is also IL's and Co-op boards! So I'm hopeful other veteran XBLA players will post some RTA PB's. :)