insure that we have a safe race today, and that we have struck the right balance so that it is both safe and also the family-friendly event that we have all come to expect and love about the boston marathon. tonight runners will celebrate at fenway park with the official post-race party happening. at last night s red sox-orioles game victims, police officials, and survivors got a heroes welcome as they walk on to the field. with that we turn it over to nbc news correspondent ron mott in boston just blocks away from the finish line. take it away. what s the mood there in boston? hey there. well, i think folks are ready to party, joye, to be honest with you. it s been a great day so far. i mean, the weather is phenomenal. you couldn t have asked for better conditions for a marathon today, and a lot of these racers have now finished the race. something they dreamed about all their lives in some cases and certainly after what we saw happen last year. i can tell you, you mentioned secur