Pi-Day River run on tap: The Lawrence Trail Hawks will host the “Pi-Day River Rotation Half Marathon” on March 19 on the Kansas River trail system. The race marks Pi Day, a March 14 holiday held in honor of the mathematical constant 3.1415. The race will be held the first Saturday following Pi Day. The half marathon trail race will begin and end by the Kansas River Trails trailhead, just off Eighth and Oak streets in North Lawrence. More information is available online at www.lawrencetrailhawks.com.

•

DCABA entries open: Lawrence Parks & Recreation is taking team entries for the upcoming 2011 Douglas County Amateur Baseball Association season. Register at Holcom Park Recreation Center or go online at www.lprd.org to receive a registration form. Registration deadline is April 1, or the first eight team entries. For information, call 832-7940.

•

LHS boys tennis reminder: All 9-12 grade Lawrence High boys tennis players need to e-mail gcmarsha@usd.497.org or call/text coach Marshall at 785-423-1402 with contact information for this spring season. The parents meeting is Feb. 23 at 6:30 p.m. The first practice is Monday, Feb. 28.

•

Softball openings: The DC Attack fastpitch softball organization has one opening for its 12-and-under team, two openings for the 14-and-under squad and one opening for the 18-and-under team. Anybody interested in trying out should contact Steve Wiggins at 785-423-0949 or Bruce Burton at 913-915-6315.

•

Girls Fast Pitch: The Lawrence Parks and Recreation Department is accepting registration for the 2011 Lawrence Girls Fast Pitch Softball Summer Leagues through April 1. 8-U (coach pitch) teams and leagues will be formed by individual registrations from schools and grades. 8-U players must be 8 years old or younger on Jan. 1, 2011. Participation fee is $65. The 10-U, 12-U, 14-U and 16-U Lawrence Girls Fast Pitch Softball Summer Leagues are now taking team registration for the 2011 Season, through April 1. Player’s eligibility is determined by age as of Jan. 1, 2011. Team registration is $900. For more information and registration forms, please contact Duane Peterson at 785-832-7940 or go to www.lgfpa.com and/or www.lprd.org. Click on Youth Sports and then on Softball.

•

Eudora Youth Soccer registration: Registration is under way for the next season of Eudora Youth Soccer. Now registering for Pre-K through eighth grade. Cost is $40 per participant. Deadline is Feb. 18, with a late fee of $15. Games begin on March 26. A coaches meeting is scheduled for 5:30 p.m. on Feb. 25. Register online or at the Eudora Community Center.

•

Rebels baseball fundraiser: The 14-U and 9-U Kansas Rebels baseball teams will host a silent auction/poker night fundraiser from 6-10 p.m. on Feb. 19 at the Knights of Columbus downstairs. Contact Pat Karlin at kufireman@sbcglobal.net with questions or visit www.ksrebels.com.

•

Softball team looking for players: The 14-U LGFPA softball team Lawrence Rockers is looking for players. Tryouts will be held each Saturday in February from 10 a.m. to noon at Immanuel Lutheran Church gym. Contact Nikki May for more information at 766-1998 or xpunkrockmomx@sunflower.com.

•

Prospects tryouts: Lady Prospects Basketball Club will hold tryouts for fifth-grade girls, March 6 at Oskaloosa Junior/Senior High School. For info, go to www.ladyprospectsbball.org or contact us at info@ladyprospectsbball.org.

•

High school prospects tryouts: High school tryouts for the Lady Prospects Basketball Club will begin March 6 at Oskaloosa Junior/Senior High School. Tryouts are open to all nine-, 10th- and 11th-grade girls. Contact us at info@ladyprospectsbball.org or www.ladyprospectsbball.org.

•

Softball tourney: The City of Lawrence Parks and Recreation, in conjunction with Lawrence Softball Umpire Association, will host the Lawrence Pre-season Girls 12-Under Class B-C Fast Pitch Invitational Tournament on April 30 and May 1 at Lawrence’s Youth Sports Complex. Entry deadline is April 15 or the first 12 teams to enter. For more info, contact Allen Winter at 785-841-3692 or visit www.lawrenceks.org/lprd/_youthsports/softball/lawrenceinvitational11.pdf.

•

Former Firebird honored: Jessica Scott, Free State Class of 2007, won the Dayle May Award, given annually to the female senior student athlete with the highest grade-point average, at the University of Tennessee-Chattanooga, where Scott played volleyball. The former Firebird will graduate with a civil engineering degree this spring and posted a 3.96 GPA during her four years at UTC.

•

Pitching Clinic: Former Kansas baseball brothers Don and Nick Czyz will host two pitching clinics at the Eudora High gymnasium on Feb. 26. The first clinic, ages 5 to 13, will run from noon to 1:30 p.m. The second, ages 14-18, will run from 1:30 to 3 p.m. For info, contact EHS baseball coach Shaun Edmondson at 913-461-5532 or e-mail shaunedmondson@eudoraschools.org.