I zoned out for a while and would previously just have resorted to posting something sarcastic about CrossFit Endurance.
Some people might tell you Shaf doesn't know what he's talking about but he's give you a 'could be/maybe' answer not a flat no.
Go by feel and you'll be fine. Yeah, it won't be optimal for massive strength gains and don't be cut up when you don't get massive strength gains (have a feeling you're looking at from the direction anyway). Like Shaf says, a 10 mile urban adventure race doesn't require you to be able to run like a Kenyan.
When was it decided that we all had to be either aerobic or anerobic? I blame Rant.
The rationale for reduced gin intake and the knowledge of the perils of alcoholism and attendant metabolic derangement has almost entirely come from physicians and researchers.