To submit an item to the What's Happening calendar, email ccnsports@bayareanewsgroup.com to request a form. Put "What's Happening" in the subject line. Nonprofit organizations only. You might be asked to submit a copy of your 1099 or 501(c) 3 to verify nonprofit status. Entries are edited for content and are published as space is available.

BASEBALL

  • Baseball USA Nationals -- Tryouts by appointment for the 13U-18U Baseball USA Nationals teams. 6761 Sierra Ct. Suite B, Dublin. 925-785-5531, Coachfisher44@aol.com

  • Diablo Valley College -- Diablo Valley Collge Christmas Baseball Camp, 9 a.m.-noon, Dec. 26-28 and Jan. 2-9. For players grades 3-12. Diablo Valley College, 321 Golf Club Road, Pleasant Hill. 925-200-5917

    BASKETBALL

  • PleasantonYouth Basketball -- Pleasanton Youth Basketball registration is online. Season runs from December through March. For boys and girls grades 1-12. 925-931-3439, www.pleasantonfun.com

  • Walnut Creek Elks Club -- Walnut Creek Elks Free Throw Competition, 8:30-11 a.m., Dec. 9. For boys and girls ages 8-13. De La Salle HS, 1130 Winton Drive, Concord. Free. 925-360-2900, coach_ritt@yahoo.com

  • East Bay Youth Sports -- Winter Break Sports Camps, 9 a.m.-3 p.m., Dec. 26-28 and Jan. 2-4. For boys and girls ages 5-12.
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    Woodside Elementary, 761 San Simeon, Concord and Diablo Vista Middle School, 4100 Camino Tassajara, Danville. $105. 925-952-4450, www.ebys.org

    Football

  • East Bay Youth Sports -- Fall 2012 Ultimate Tackle Football and NFL Flag Football, Sundays, through Dec. 9. For boys and girls ages 5-14. Woodside Elementary, 761 San Simeon, Concord and San Ramon Valley HS, 500 Danville Blvd., San Ramon. $165-$245. 925-952-4450, www.ebys.org

  • East Bay Youth Sports -- Winter Break Sports Camps, 9 a.m.-3 p.m., Dec. 26-28 and Jan. 2-4. Camps include Tackle/Flag Football and QB fundamentals. For boys and girls ages 5-12. Woodside Elementary, 761 San Simeon, Concord and Diablo Vista Middle School, 4100 Camino Tassajara, Danville. $105. 925-952-4450, www.ebys.org

  • Pleasanton Junior Football League -- PSJL Flag Football Masters Division registration open. For players grades 9-12. $95. 925-989-0540, www.pjfl.com

    Lacrosse

  • East Bay Youth Sports -- Winter Break Sports Camps, 9 a.m.-3 p.m., Dec. 26-28 and Jan. 2-4. For boys and girls ages 5-12. Woodside Elementary, 761 San Simeon, Concord and Diablo Vista Middle School, 4100 Camino Tassajara, Danville. $105. 925-952-4450, www.ebys.org

    Rugby

  • Danville Oaks -- Registration for U8-U14, frosh/soph, and varsity Danville Oaks, is online through Nov. 30. Diablo Vista Middle School, 4100 Camino Tassajara, Danville. $150-$275. 925-518-5518, www.eteamz.com/DanvilleRugby

    SOFTBALL

  • Pleasanton Phantom Girls Softball League -- Registration open for girls grades K-12 wanting to play softball in the spring of 2013 through Jan. 1. Player evaluations will be Dec. 8-9 for players grade 3-8. $160 for one girl, $275 for two girls, $340 max for a family, $25 late fee after Dec. 1. 925-351-3328, christine.t@pleasantonsoftball.org, www.pleasantonsoftball.org

  • San Ramon Valley Girls Athletic League -- Registration open for girls ages 4-18, wanting to play SRVGAL fastpitch softball. Player evaluations will be Dec. 1-2. 925-575-0815, www.srvgal.org

  • St. Mary's High School -- St. Mary's is looking for a home/away varsity softball game or scrimmage. 510-472-3768, thecoachesden@sbcglobal.net

    Track and Field

  • Danville Track Club -- Danville Track Club sign-ups are open. For boys and girls grades 9-12. 925-406-4454, mitchsteel@comcast.net

    Water Polo

  • Livermore LAZERS -- Signups for 14U-15U Livermore LAZERS boys and girls water polo teams. Practices start Nov. 26-27. All participants must be members of USWP. $250-$275. 925-373-5700, lazerswp@clubspaces.com, www.larpd.dst.ca.us, www.usawaterpolo.org

    JOBS

  • Athenian High School -- Looking for a JV boys basketball coach and a shot put/discus track and field coach. 925-362-7206, darek.cliff@athenian.org

  • Dougherty Valley High School -- Looking for varsity, JV, and freshman baseball assistant coaches. 925-337-0948, bfreitas@dvhigh.net

  • Livermore Valley Charter Prep High School -- Looking for a boys varsity soccer coach and a girls varsity volleyball coach. 925-456-9000, mburstein@lvcp.org