Beer has no real nutritional value, so the rule would be: in moderation.
Work the calories into your plan if you must.
For your goal though, I would say skip it and have a glass of water.
Reach your goal, then celebrate.
Run the Tough Mudder Sep 6, 2014
"Trust the process."
"Just get stronger, you bunch of knuckleheads."
- Steve Shaw, MaB Founder