It's a busy weekend in Clarksville and you can find your events, (AND enter them) at the Calendar Clarksville website. You can also find links to all events on the site. OK, let's go! For you athletes, there are a couple of runs tomorrow, including a Dunbar Cave "fun run" with registration starting at 7:30 tomorrow. Then on Saturday night, check out the 'Run Rotary Night Trail Race' at 9 out at Rotary Park. Downtown Market continues from 8:30 until 1: Dozens of vendors with everything under the sun! While you're downtown, check out the Customs House Museum with FREE ADMISSION tomorrow! Take your dog swimming at the 'Fun With Fido' Pooch Pool Party starting at 1:00 at Swan Lake Sports Complex. And speaking of animals, the 'Waggle 4 Man Golf Tourney' for the Humane Society is at Eastland Green tomorrow. For evening entertainment, you have free 'Movies in the Park' at Liberty Park, Jazz on the Lawn at Beachaven Vineyards and Winery and another performance of 'Grease' at the Roxy! Beyond those, the Nashville Sounds on Sunday present 'Bark in the Park' where you can take your pup to see the Sounds in action. And the Red Cross has another blood drive on Tuesday at North Central Institute. As always, at the website you can get directions to all events and lots more information. And don't forget to submit YOUR events to Calendar Clarksville! It's easy and it's FREE!!