"Let Freedom Run" 10K. This race started and finished at the rec center a quarter-mile from my house, on trails I'm very familiar with -- how could I not do it? :-)
I didn't have a specific goal or plan, but then I decided along the way that I'd like to finish under one hour. Unfortunately, the last mile was all uphill, including the steeper segments my running group uses for the hill progression and hill repeat workouts, and that part was tough.
I was amazed to hear my name called for 3rd place (out of 15 finishers) in the 40-49 group -- wow! I got a cool pint glass as a prize.
Looking at the results, the woman I passed on the last hill finished only two seconds behind me (I didn't realize she had gained on me after I passed her). And now I have an anxious-dread feeling of "what if I had blown it and lost out on 3rd place by two seconds?!" That would have sucked.