Save Our Sports 5K
United Mt. Diablo Athletic Foundation Save Our Sports 5K, 9 a.m. Oct. 7, Newhall Park, 1351 Newhall Parkway, Concord. Fun Run/Walk 9:45 a.m., Kids Run 10:30 a.m. Proceeds benefit Mt. Diablo school district sports programs. $10-$30. Registration: www.unitedmtdiabloathletics.org.
Blood donors needed
Red Cross blood drive 9 a.m.-2 p.m. Oct. 23, Metroplex Office Centre, Suite 840, 1401 Willow Pass Road, Concord. Appointments: 800-733-2767, redcrossblood.org. Sponsor code: SPPGATEWAY.
Digging for Your Roots genealogy seminar 8 a.m.-4:30 p.m. Oct. 20, 3700 Concord Blvd., Concord. Variety of classes to choose from.
Where have Dinosaurs Gone? 2:30-5 p.m. Oct. 9, Lindsay Wildlife Museum, 1931 First Ave., Walnut Creek. Ages 5-8 learn about predator, prey relationships between dinosaurs. $20, members $15. 925-935-1978, http://wildlife-museum.org.
Autumn at Adobe
Concord Historical Society's Autumn at the Adobe 1-4 p.m. Oct. 14, Salvio Pacheco Adobe, 1870 Adobe St., Concord. Wine tasting, appetizers, raffles, cash prizes, more. $30, $35 at door. RSVP: 925-682-7271.
Republican women meet
Ygnacio Valley Republican Women meet 5:30 p.m. Oct. 17, Oakhurst Country Club, 1001 Peacock Creek Drive, Clayton. Tom Del Becarro, chairman California Republican Party speaks. Dinner $35. RSVP: 925-672-5061.
Library book sale
Clayton Library book sale, members only 4-7 p.m., Oct 12; all others 10-6 p.m. Oct. 13; noon-4 p.m. Oct. 15, 6125 Clayton Road. 925- 672-3672, www.claytonlibrary.org.
Singer/storyteller Randy Rutherford performs "The Water is Wide," 7:30 p.m. Oct. 12, St. John's Episcopal Church, 5555 Clayton Road, Clayton. $15 at door, www.brownpapertickets.com, 925-672-8717.
Ninth annual Oktoberfest celebration 11 a.m.-8 p.m. Oct. 6 (parade at noon); 11 a.m.-6 p.m. Oct. 7, downtown Clayton. Live music, German food, beer, wine, crafts, carnival, street performers. Free. www.claytonoktoberfest.com.
Woman's club meets
Clayton Valley Woman's Club meets 10 a.m. Oct. 9, Holy Cross Lutheran Church, 1092 Alberta Way, Concord.
Clayton Valley Charter High School Bands Music March, 9 a.m.-noon Oct. 13, from downtown Clayton to library. 925-682-7474, firstname.lastname@example.org.
Contra Costa Crystal Fair, 10 a.m.-6 p.m. Oct. 20; 10 a.m.-4 p.m. Oct. 21, Civic Park Community Center, 1375 Civic Drive, Walnut Creek. Crystals, minerals, beads, jewelry, healing arts. $6, 11 and younger free. www.crystalfair.com.
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