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

  • Pittsburg Little League -- Registration online for Pittsburg Little League 2013 season. $110-$150. 925-291-0107, www.pllca4.org

  • 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

  • Antioch Little League -- Registration for Antioch Little League 2013 season online. For players ages 4-16. 3001 Delta Fair Boulevard, Antioch. 925-431-8478, www.AntiochLittleLeague.com

  • Walnut Creek Crawdads -- Walnut Creek Crawdads Winter Youth Academy, Thursdays and Saturdays, through Feb. 2. For boys ages 7-12. 1630 Challenge Drive, Suite A, Concord. 925-446-6568, www.walnutcreekcrawdads.com

  • Delta Baseball League -- Registration ongoing for Spring 2013 Delta Baseball League online. For players ages 4-12. 5641 Lone Tree Way, Brentwood. www.deltabaseballleague.com

  • Alameda Babe Ruth -- Coach openings for U13-U15 Alameda Babe Ruth local and travel baseball teams. Player evaluations start in January. 510-846-3494, billgarvine@gmail.com

  • Alameda World Tournament Baseball -- Tryouts by appointment for Alameda World Tournament Baseball team. For boys age 15. 928 Magnolia Drive, Alameda. 510-381-3434, rich@dsp.net, www.alamedaworldbaseball.com

  • California Smoke -- Tryouts by appointment for the U18 California Smoke baseball 2012 fall and 2013 summer teams. San Jose Municipal Stadium, San Jose. 510-715-9813, calsmoke@pacbell.net, www.smokebaseball.com

  • Diablo Warriors -- Tryouts by appointment for the U14 Diablo Warriors travel baseball team. Ygnacio Valley HS, 755 Oak Grove Road, Concord. 925-671-7758, emanlaw99@hotmail.com, northrupmb@yahoo.com

  • East Bay Zephyrs -- Tryouts by appointment for 13U-14U East Bay Zephyrs Baseball team. 925-324-5883, kylegross10@gmail.com

  • Golden Era Baseball -- Tryouts by appointment for 15U-18U Golden Era Baseball team. 800-331-8752, SayHey@GoldenEraBaseball.com, www.goldenerabaseball.com

  • Martinez Bulldogs -- Tryouts by appointment for 12U Martinez Bulldogs Baseball Spring 2013 Team. Tesoro Fields, 1765 Arnold Industrial Way, Concord. 925-683-4973, Selliott356@att.net

  • Patriots Baseball Club -- Tryouts by appointment for 12U boys 2011 AWS World Series Champion Patriots Baseball Club. 925-383-1819, concordpatriots1@gmail.com

  • Walnut Creek Bulldawgs -- Tryouts by appointment for the U12 Walnut Creek Pony Bulldawgs 2013 spring baseball team. 1630 Challenge Drive, Concord. 925-708-6427, www.walnutcreekpony.org

    BASKETBALL

  • San Ramon Valley High School -- Winter Girls Basketball Camp, 3:30-5 p.m., Saturdays, through Feb. 16. For girls grades 2-7. San Ramon Valley HS, 501 Danville Blvd., Danville. $100. 925-552-3719, hdelannoy@srvhs.org

  • UCP Hoops -- United Cerebral Palsy Hoops Special Needs Spring Basketball Camp, 5-6:30 p.m. Feb. 10, 24, March 10, 24, and April 14, 28. NorCal Courts, 360 Ferry Street, Martinez. $20 per session, $100 for all six sessions. 925-708-7929, info@ucpgg.org, www.norcalcourts.com/register-forms

  • Cal Stars Basketball -- Cal Stars Youth Girls AAU Basketball Tryouts, 2-5:30 p.m. Feb. 10, 5-8:30 p.m. Feb. 13 and 1-3 p.m. Feb. 24. NorCal Courts, 360 Ferry Street, Martinez. 925-708-7929, coachdan@norcalcourts.com, calstars.ngin.com/page/show/99119-tryouts

  • Panthers Basketball Club -- Spring Tryouts for boys and girls Panthers Basketball Club, Feb. 10 and Feb. 17. 9-10:30 a.m. for players grades 4-5; 10-11:30 a.m. for players grades 6-7. Seven Hill School, 975 North San Carlos Drive, Walnut Creek. coachsdiaz@gmail.com

  • NorCal Courts -- NorCal Courts Boys Prep AAU Basketball Tryouts, 2-5:30 p.m. Feb. 17 and Feb. 24. NorCal Courts, 360 Ferry Street, Martinez. 925-708-7929, coachdan@norcalcourts.com, calstars.ngin.com/register/form/071782439

  • Warrior ELITE Basketball -- "BALLIN' IN THE BAY" 3 on 3 Basketball Tournament signups, 6-7:30 p.m. Feb. 8 and 12. Tournament is Feb. 23. For players grades 3-12 and adults. Signups: 1555 Riverlake Road, Discovery Bay; Tournament: 14301 Byron Hwy, Byron. $20 per player. 925-766-6864, www.warriorelitebasketball.com

  • Cal Stars Basketball -- Cal Stars High School Girls AAU Basketball Tryouts, 3:30-5:30 p.m. Feb. 24, 1-3 p.m. March 3 and March 10. NorCal Courts, 360 Ferry Street, Martinez. 925-708-7929, coachdan@norcalcourts.com, calstars.ngin.com/page/show/99119-tryouts

  • Upward Basketball League -- Sign-ups for Upward Basketball League online. For boys and girls grades 1-6. 2073 Oak Park Blvd., Pleasant Hill. $150-$190. 925-934-3056, www.opccag.org/connect/upward-basketball.php

  • WCYAA Youth Sports -- Rookie basketball sign-ups. For boys and girls ages 5-6. Foothill Middle School, 2775 Cedro Lane, Walnut Creek. $150. 925-933-4884, www.wcyaa.com

  • WCYAA Youth Sports -- Registration open for WCYAA basketball league, 9 a.m.-6 p.m., Saturdays or Sundays, through February. For boys K-8 and girls grades K-4. Foothill Middle School, 2775 Cedro Lane, Walnut Creek. $150-$285. 925-933-4884, wcyaasports@yahoo.com, www.wcyaa.com

  • Pleasant Hill Recreation and Park -- Pleasant Hill Recreation's Adult Drop-In Basketball, Fridays, 5:30-7 p.m., and Sundays, 8-10 a.m. PH Education Center Gym, 1 Santa Barbara Road. $5. 925-682-0896, www.pleasanthillrecsports.com

  • NorCal Courts -- NorCal Courts Adult Drop-In Basketball, 11 a.m.-4 p.m. weekdays, 6-9 p.m. Sundays, and 9-11 p.m. Wednesdays. 360 Ferry St, Martinez. $5. 925-708-7929, norcalcourts@gmail.com, www.norcalcourts.com

  • East Bay Youth Sports -- Basketball is Fun Clinic, 5:30-7:30 p.m., Mondays. For boys and girls ages 5-12. Walnut Creek Presbyterian Church, 1801 Lacassie, Walnut Creek. $150. 925-952-4450, www.ebys.org

  • NorCal Courts -- NorCal Courts Adult Basketball League, Tuesday evenings. 360 Ferry St., Martinez. $525 per team. 925-708-7929, norcalcourts@gmail.com, www.norcalcourts.com

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

    Cycling

  • Fremont Freewheelers Bicycle Club -- 41st Annual Primavera Century, 7 a.m.-5 p.m., April 21. For all ages. Mission San Jose High School, 41717 Palm Avenue, Fremont. $50 before March 1, $60 after March 1. Family fun ride: Adults $20, under 18 $10. 520-490-8098, www.ffbc.org/primavera

    Football

  • East Bay Youth Football Academy -- Fundamental Skills Camps, noon, Feb. 10 and Feb 24. For players ages 6-13. Bishop O'Dowd HS, 9500 Stearns Ave, Oakland. 510-599-4292, www.eastbayfootballacademy.com

  • East Bay Youth Sports -- Registration for Ultimate Tackle Football and NFL Flag Football Seasons, 9 a.m.-3 p.m., Feb. 24-May 5. For boys and girls ages 5-14. Woodside Elementary School, 761 San Simeon Concord and San Ramon Valley High School, 500 Danville Blvd, Danville. $165-$195. 925-952-4450, www.ebys.org

  • California Pirates -- Tryouts by appointment for California Pirates adult tackle football team. For players ages 18 and over. 510-472-1166, i_davis2001@yahoo.com

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

  • West Pittsburg Youth Football and Cheer -- West Pittsburg Youth Football and Cheer sign-ups online. For boys and girls ages 5-14. www.wpyf.com

    Fundraisers

  • Vallejo High School -- Donations being accepted for a sign commemorating the dedication of Dick Bass Field. Checks payable to Ed Sowash, 7442 14 Hole Drive, Windsor, CA 95492. 707-838-6882.

  • Concord High School -- Concord High School Athletic Booster Club Crab Feed and Auction, 6 p.m., Feb. 2. Centre Concord, 5298 Clayton Road, Concord. $50 after Dec. 31. 925-260-9999, 925-765-4228, cthatcher@truittandwhite.com, noftzgers5@yahoo.com, www.concordhighschool.net/chsathletics/crabfeed.html

  • Mt. Diablo High School -- Mt. Diablo High School Sport Hall of Fame Crab Feed, 6 p.m., Feb. 16. Proceeds benefit the Mt. Diablo boys and girls sports programs. 611 Gregory Lane, Pleasant Hill. $55. 925-212-9332

    Gaelic Sports

  • Gaelic Athletic Association -- Registration for spring/summer 2013 gaelic football and hurling season open. For boys and girls ages 6-18. Gaelic Athletic Fields, Treasure Island. 415-574-7534, Kathlyn.quinn.gda.western.usa@gaa.ie

    Golf

  • First Tee of Contra Costa -- First Tee of Contra Costa spring sessions 4-5:30 p.m. weekdays and 9:30 a.m.-5:30 p.m. Saturday, March 2-May 24. Registration runs from Jan. 14-March 15. For boys and girls ages 5-17. Diablo Creek GC, Boundary Oak GC, Lone Tree GC, Pine Meadow GC, Hiddenbrooke GC. $75 for ages 5-6, $79 for ages 7-17, 925-963-0740, larrylee52@comcast.net, www.thefirstteecontracosta.org

  • First Tee of Contra Costa -- Volunteers needed for First Tee of Contra Costa spring sessions 4-5:30 p.m. weekdays and 9:30 a.m.-5:30 p.m. Saturday, March 2-May 24. Diablo Creek GC, Boundary Oak GC, Lone Tree GC, Pine Meadow GC, Hiddenbrooke GC. 925-963-0740, larrylee52@comcast.net, www.thefirstteecontracosta.org

    Kickball

  • Concord Adult Kickball League -- Registration for Spring and Summer League coed teams, 9 a.m.-4 p.m., Mon.-Fri., Jan. 14-Feb, 15. For players 18 and older. Willow Pass Community Center, 2748 E. Olivera Road, Concord. $815 per team. 925-671-3279, sports@cityofconcord.org, www.teamsideline.com/concord

    Lacrosse

  • Walnut Creek Lacrosse Club -- Openings for boys U9-U11 Walnut Creek Lacrosse Club. www.walnutcreeklacrosse.com

    Rugby

  • Lamorinda Rugby Club -- Registration for Lamorinda Rugby Club ongoing. For boys grades 1-12. Miramonte High School, 750 Moraga Way, Orinda. $165-$360. 925-285-3453, www.lamorugby.com

    Soccer

  • Heritage Soccer Club -- Tryouts for Heritage Soccer Club, 8 a.m.-1 p.m. Feb. 2. For boys and girls ages 7-12. College Park High School, 201 Viking Drive, Pleasant Hill. 925-783-3564, Julio@heritagesc.com, www.heritagesc.com

  • Tri-Valley Soccer Club -- Tryouts for U9-U14 boys and girls Tri-Valley Soccer Club, Jan. 31, Feb. 3-4, Feb. 7, and Feb. 10. See team website for times and locations. 925-323-6291, www.trivalleysoccerclub.com

  • Heritage Soccer Club -- Tryouts for U13 Girls Premier team CRUSH, 9-10:30 a.m. Feb. 2. Tryouts for boys and girls U13-U14 competitive teams 11:30 a.m.-4 p.m. Feb. 9 and 1-5:30 p.m. Feb. 10. College Park High School, 201 Viking Drive, Pleasant Hill. 925-783-3564, Julio@heritagesc.com, www.heritagesc.com

  • Martinez Pleasant Hill Futbol Club -- Tryouts for MPHFC Soccer Club, U11-U12 girls 9-11 a.m., Feb 3 and 8-10 a.m. Feb. 10; U13-U14 boys and girls 10:30 a.m.-12:30 p.m. Feb. 10 and 10 a.m.-noon Feb. 23. www.mphfc.com

  • Delta Youth Soccer League -- Registration for U6-U19 boys, girls, and top soccer leagues, 6-9 p.m., March 1, 15, April 5, 19, May 3 and 10 a.m.-2 p.m. May 4. Dallas Ranch Middle School, 510 G Street, Antioch. www.deltasoccer.org

  • Delta Youth Soccer League -- Tryouts for U9-U14 boys and girls Delta Youth Soccer League, Feb 9-10 and Feb. 16-17. 1030 Apollo Ct., Antioch. www.deltasoccer.org

  • Delta Youth Soccer League -- Tryouts for U15-U19 boys and girls Delta Youth Soccer League. 1030 Apollo Ct., Antioch. www.deltasoccer.org

  • DFC Soccer -- Tryouts by appointment for girls U14 DFC Gold team. Looking for two players and a goalkeeper. 925-671-2851, 925-200-7491

  • Stockton Storm FC 99 -- Tryouts by appointment for U14 Stockton Storm FC 99. 925-250-9941, www.leaguelineup.com/stocktonstormfc99

    SOFTBALL

  • Antioch Little League -- Registration for Antioch Little League 2013 season online. For players ages 4-16. 3001 Delta Fair Boulevard, Antioch. 925-431-8478, www.AntiochLittleLeague.com

  • Delta Softball League -- Registration ongoing for Spring 2013 Delta Softball League. For players ages 4-18. 5641 Lone Tree Way, Brentwood. www.deltabaseballleague.com

  • SRVGAL -- Umpires wanted for San Ramon Valley Girls Athletic League Softball. 925-575-0815, www.srvgal.org/umpires.html

  • Concord Adult Softball League -- Registration for Spring and Summer League men's, women's, and coed teams, 9 a.m.-4 p.m., Mon.-Fri., through March 1. For players 18 and older. Willow Pass Community Center, 2748 E. Olivera Road, Concord. $815 per team. 925-671-3279, sports@cityofconcord.org, www.teamsideline.com/concord

  • Antioch Recreation Department -- Informational Adult Softball Packet Pickup for Mens, Womens, and Co-ed teams, 9 a.m.-5 p.m., Mon.-Fri., Jan. 28-Feb. 15. Antioch Community Center, 4703 Lone Tree Way, Antioch. $900 per team. 925-779-7075

  • Pleasanton Phantom Girls Softball League -- Registration is ongoing for Pleasanton Phantom Girls Softball League. For girls grades K-12. christine.t@pleasantonsoftball.org, www.pleasantonsoftball.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

  • Havoc Softball Club -- Tryouts by appointment for the 10U 2011 USSSA State Champion Havoc Softball Club. 925-586-5029, havocsoftballclub1@gmail.com

  • Ripon Lady Cyclones -- Tryouts by appointment for 14U Ripon Lady Cyclones. 209-613-8849, 209-629-0312

    Swimming

  • Brentwood SeaWolves -- Brentwood SeaWolves sign-ups are open. For boys and girls grades 9-12. 925-240-9653, www.BrentwoodSeaWolves.com

    Table TENNIS

  • Concord Table Tennis Club -- Play and Learn Table Tennis, Sundays: 10 a.m.-2:30 p.m., Mondays: 7-10 p.m., Tuesdays: 7:30-10 p.m., and Thursdays: 6:45-10:15 p.m. For players all ages. 796 Grayson Road, Pleasant Hill. $3-$7 a day, $15-$30 for a season membership. 925-689-7463, www.concordtabletennis.com

    Track and Field

  • James Logan High School -- Willie Davenport Olympian Track and Field Clinic, 9 a.m.-4 p.m., Feb. 2. James Logan HS, 1800 H Street, Union City. $20, $10 for youth grades 8 and lower. 510-304-7172, lee_webb@nhusd.k12.ca.us, www.logantrackandfield.com

    JOBS

  • Antioch Babe Ruth -- Looking for umpires. Training provided. 925-757-1787, rickhilton@comcast.net

  • Acalanes High School -- Looking for boys lacrosse coaches. 925-788-2148, donslax@gmail.com

  • Acalanes Union High School District -- Looking for a diving head coach. This is a district position, which includes Acalanes, Campolindo, Las Lomas and Miramonte High Schools. 925-280-3970 ext. 7138, rtakahashi@acalanes.k12.ca.us

  • Alhambra High School -- Looking for track and field jumps, throws, and pole vault coaches. coachangela88@yahoo.com

  • Alhambra High School -- Looking for boys tennis coach. 925-639-4914, pertola@martinez.k12.ca.us

  • Athenian High School -- Looking for girls varsity, JV, and freshmen girls volleyball coaches. 925-362-7206, darek.cliff@athenian.org

  • Berean Christian High School -- Looking for a varsity swimming and track and field head coaches. Also looking for an assistant boys varsity lacrosse coach. 925-945-6464 ext. 25, clee@berean-eagles.org

  • Campolindo High School -- Looking for a JV softball coach. 925-280-3950 ext. 5235, bwilson@acalanes.k12.ca.us

  • Carondelet High School -- Looking for a JV cheer assistant. Also looking for Water Polo coaches and JV tennis assistants for the Fall. 925-686-5353 ext. 168, ggreen@carondeleths.org

  • Clayton Valley Charter High School -- Looking for varsity boys golf head coach. Applications can be left at 1101 Alberta Way, Concord. gregory.fister@claytonvalley.org

  • Concord High School -- Looking for a varsity swimming coach, a JV softball coach, a Varsity boys volleyball coach, and a JV boys volleyball coach. coddingtonm@mdusd.org

  • Concord Parks and Recreation -- Looking for a Field Supervisor on league nights. Willow Pass Community Park, 2748 E. Olivera Road, Concord. 925-671-3423, www.cityofconcord.org

  • De La Salle High School -- Looking for a JV boys tennis coach. brownd@dlshs.org

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

  • Las Lomas High School -- Looking for an assistant girls varsity volleyball coach and JV head and assistant coaches. 925 457-0091

  • 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

  • Los Medanos College -- Looking for an assistant softball coach. 925-439-2181 ext. 3140, TGriffith@losmedanos.edu

  • Miramonte High School -- Looking for varsity and JV softball assistant coaches. 510-290-5475, pauljkeener@sprint.blackberry.net

  • Northgate High School -- Looking for baseball, girls lacrosse, boys volleyball and softball assistant coaches for varsity, JV, and freshman level teams. nghsad@gmail.com