The Ravenswood Run has the great community feel of a small town race with the race production value of a much larger, prestigious event (something rare in a world where both race producers and participants see 5ks as "easy" to produce and run, a dime a dozen).
Winding through the quiet, family-friendly neighborhoods of Ravenswood and Lincoln Square, the course is flat and fast with long straightaways and limited turns. If you're looking to run fast, you won't be disappointed. The top 18 finishers ran under 17:00 in 2013! Self-seeding allows athletes going for fast times access to good start positions.
Don't drive (I don't believe in cars) as there is easy access to the course via the Brown Line (Damen stop is just a few blocks west of the start) or Ashland bus (just a few blocks east). That said, I'd recommend biking to the event.