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

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

  • Antioch Babe Ruth -- Extended registration for ages 13-18 for the upcoming season, opening day is April 6. 925-757-1787, www.antiochbaberuth.baberuthonline.com

  • Antioch Travel Baseball -- Antioch Sluggers 10U has 1-2 roster spots. Two tournaments per month, no monthly dues. Tryout by appointment. Ray 925-699-7106

  • 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

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

    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. $60. Family fun ride: Adults $20, under 18 $10. 510-490-8098, www.ffbc.org/primavera


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    Football

  • 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

  • Clayton Valley Charter School -- Donations, gift certificates and appropriate merchandise are being accepted for CVC Grad Night '13. Checks payable to Grand Night 2013, P.O. Box 59, Clayton, 94517

  • 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.

    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 9:30-5:30 p.m. Saturday, through May 24. 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. through 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

    Running

  • Martinez Brickyard Run -- April 7 at 8:30 a.m. Register online at: raceroster.com/events/2013/666/Martinez-Brickyard-Run. Registration will also be available on the morning of the race, starting at 7 a.m. Race entry is $25.00. Contact Kevin Searls at KNSearls@comcast.net

    Soccer

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

    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

  • Walnut Creek Adult Softball League -- Men and Womens Spring League, 14 game season and double elimination playoffs, April 1-Aug. 15. Heather Farms Park, Walnut Creek. $785 per team. 925-943-1955, www.wcasi.org

    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

    Wrestling

  • Pittsburg Wrestling Club -- Sign-ups for boys and girls grades 3rd-12th. Practices at Pittsburg high every Tues. and Thurs., 6-8 p.m., Tony Darone 925-518-6756

    JOBS

  • 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 head coaches for varsity, JV, and frosh boys soccer. Email resume to Gregory.Fister@claytonvalley.org

  • Clayton Valley Charter High School -- Looking to fill a teaching and coaching position. Must be credentialed teacher with experience coaching at the high school level. Email resume with three references and a letter of recommendation to Amber.Lineweaver@claytonvalley.org

  • Concord High School -- Looking for a varsity swimming coach, a JV softball coach, a varsity and 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

  • Diablo Football -- Looking for coaches for spring league, which starts in April. 925-305-8162

  • East Bay Youth Sports -- Looking for sports coaches and camp directors. Football, baseball, basketball, soccer, lacrosse, and skateboard. Walnut Creek, Danville, and Dublin locations. 925-952-4450, eastbaysummercamps.com