The rest of 2010 - between marathons

[marathondan]

This can land you in deep water if you don't have the miles in your legs.

Interesting point (with which I agree). Over 10K , for me the lungs are definitely the limiting factor. I experienced hardly any soreness in the days after the race, despite my post-run stretching being limited to a brisk walk back to the car. For a half marathon, particularly over hilly terrain, it's more likely to be the other way round. At longer distances, the third factor of general fatigue comes into play.

Indeed, maybe 10 miles would be a good compromise, where both factors are closely balanced.