Give your brain a workout at Dogtober Fest's trivia contest, flex some leg muscles at Woof Woof Walk and Dawg Dash or get gussied up in a costume for one of the other pet events happening this month.

Planning to add a pet to your home? See the adoption specials.

Got a pet event? Send information to tailsofseattle@seattletimes.com.

Dogtober Fest: 2-6 p.m. Oct. 20, Anchor Pub, 1001 Hewitt Ave., Everett. Test your beer and dog trivia knowledge at this event benefiting Scrub-a-Mutt and Everett's Animal Rescue Foundation (ARF). There will be a "whose dog?" photo contest, prizes and food. Must be 21 or over. Dogs welcome outside (weather pemitting).
http://www.everettarf.org/ and http://www.scrub-a-mutt.org/
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Woof Woof Walk: 9 a.m.-noon Oct. 20, Spanaway Park, 14905 Gus G. Bresemann Road S. (Military Road and Pacific Avenue), Spanaway. Walk, other activities and vendors at lakeside park. Registration is $20 for the first dog, $5 for second dog. T-shirts are $10. Food and blanket donations encouraged.
http://www.co.pierce.wa.us/pc/abtus/ourorg/parks/woofwalk.htm

Wildcard Weekend: 11 a.m.-5 p.m., Oct. 20, Central Washington Humane Society, 2405 W. Birchfield Road,Yakima. Microchip ID and vaccination clinic for pets. Adoption fees are reduced to $30 for dogs and $5 for cats all month.
http://www.yakimahumane.org/

Apple Day and Mutt Strut Dog Parade & Costume Contest: 11 a.m.-3 p.m. Oct. 20, Historic Bayview Corner, Whidbey Island. Event features food, fun and dogs in costume.
http://bayviewfarmandgarden.com/2012/09/28/its-time-once-again-for-apple-day-and-mutt-strut/
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Dawg Dash: 7:30 a.m. Oct. 21, University of Washington. Dog-friendly event with a 10K run and 5K run/walk. There also is a Husky Pups run for kids. This year's event is on the UW's upper campus. Check-in starts at 7:30 a.m. The 10K and 5K start at 9 a.m. For a complete schedule and parking details, see the website.
http://www.promotionevents.com/dawgdash/default.asp
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The art work for the 15th annual Black Cat Ball poster and catalog was created by Aki Sogabe. This year's event is Oct. 27. Aki Sogabe / Courtesy of Purrfect Pals

Black Cat Ball: Oct. 27, Meydenbauer Center, Bellevue. Halloween-themed gala includes a gourmet vegetarian sit-down dinner and auctions. The event benefits Purrfect Pals, a no-kill sanctuary that provides foster and hospice care for homeless cats. Tickets: $100.
http://www.purrfectpals.org/About/NewsAndEvents/CurrentEvents/BCB.asp

Howl-at-the-Moon Muttmixer: 6-8 p.m. Oct. 30, Woodmark Hotel, 1200 Carillon Point, Kirkland. Costume contest, treats for tricks and swag bags. RSVP to rsvp@citydogmagazine.com with the number of people and dogs planning to attend.
http://www.citydogmagazine.com/ and http://www.thewoodmark.com/

Fee Free Felines: Through Oct. 31. Regional Animal Services of King County, Pet Adoption Center 21615 64th Ave. S., Kent. The $55 adoption fee for cats six months and older is being waived this month. The cats are spayed/neutered, vaccinated, tested for feline leukemia and have microchip IDs. Adopted cats go home with a starter bag of food and a certificate for a free veterinary wellness exam, courtesy of the Seattle/King County Veterinary Medical Association.
http://www.kingcounty.gov/safety/regionalAnimalServices/News/2012/October/02NoFeeCatAdoptions.aspx

For more events, click here and scroll through the October list.