Guide to the Halloween Nightlife

Saturday, Oct. 27
Halloween Costume Party: Last Day Saloon is throwing a contest for best costume while featuring bands Ruckatan, Room of Voices with Mingo Lewis, and DJ Smokey Rose. 8:30 p.m. $12/$15. 21-plus. 120 Fifth St., Santa Rosa. lastdaysaloon.com

photo courtesy of Healdsburg Half Marathon

Saturday, Oct. 27
Halloween Half Marathon: Healdsburg’s annual run through wine country is not only a race to the finish, but an annual costumed spectacle you won’t want to miss. Only a few spots left. More info at runhealdsburg.com.

Saturday, Oct 27
Russian River Halloween Party: Dress up and party with Wild Card Belly and the Pat Jordan Band at a benefit for Sutter Breast Care Center. 8-11:30 p.m. Russian River BRewing Co. 725 4th St., Santa Rosa. russianriverbrewing.com

Saturday, Oct 27
Cirque de Sebastopol: The 5th annual Halloween event at Hopmonk has dueling genres creating a fantastic night of music, with live folk music by The Jug Dealers and The Easy Leaves in the Barnyard, and heavy bass beats by dubstepping Nit Grit in the Abbey. $20 Barnyard, $30 Abbey. 8 p.m. 21-plus. 230 Petaluma Ave., Sebastopol. hopmonk.com

Saturday, Oct 27
Dead Wonderland Halloween: The hip hop funk party at Aubergine features Z-Man, RadioActive, DJ Change B, DJ Beset, Mad Cow Bombers, Decomposers, and more. 755 Petaluma Ave., Sebastopol. auberginebarandcafe.com

Saturday, Oct. 27
Spooky Spancky’s: The Cotati bar gets ghoulish with an All Hallow’s Eve party featuring Counterbalance and a costume contest at midnight for a $100 prize. $5 cover. 8201 Old Redwood Hwy., Cotati. spanckysbar.com