19th Annual Bucks 5K Series, Cornerstone Clubs 5K, Warrington., 9:30 a.m., www.bucks5kseries.com
Cumberland County College Alumni 5K, 9 a.m. Cumberland County College, 3322 College Dr., Vineland, N.J. Fee: $20 pre, $25 post. www.runsignup.com
2d Annual Cook-Wissahickon Elementary School 5K, 10 a.m., Roxborough. Fee: $25 adults. www.runtheday.com/registration/
Miles for Myeloma, 5K Race/Walk, 8:30 a.m., Memorial Hall-Please Touch Museum. Fee: $30. Registration on site at 7:15 a.m. or
11th Annual Safe From the Sun 5K, 10:30 a.m., Wilson Farm Park, Wayne. Fee: $35. melanomainternational.org/event/
Philly Run Wild Save the Orangutans 5K Run/Walk at the Philadelphia Zoo, 8:30 a.m. 3400 W. Girard Ave. Registration includes food, drink, and admission to the zoo. Closing date: April 24,
5 p.m. www.phillyrunwild.com
Run the Vineyards 5-Miler, Heritage Winery, Route 322 Mullica Hill, Fee: $40. www.gooddayforarun.com.
3d Annual Beat the Bug 5K Run/2K Walk, 2 p.m. West Chester. Packet pick-up at 12:30 p.m. at the West Chester United Methodist Church, 129 S. High St. Fee: Adults $20 until 4/20, then $25. www.umcwc.org/beatthebug
Run For The Animals 5K, 9 a.m., Brigantine. Begins and ends at Laguna Grill. Registration: 7:30. Benefits the Marine Mammal Stranding Center.
5K Walk/Run for Literacy, 8:30-10 a.m., Haddon Lake, East Lake Drive, Audubon. Fee: Donation. Contact email@example.com or 856-217-8181, Register at
Bucks County 10-Miler, 9 a.m., Washington Crossing Historic Park, Washington Crossing. Fee: $50, Day of $60. www.runbucks.com/
19th Annual Bucks 5K Series, Run, Walk, and Roll 5K, Doylestown, 9:30 a.m., www.bucks5kseries.com
3d annual Crush Childhood Cancer 5K, 8:30 a.m., Hope Community Church in King of Prussia. Fee: $30. crush-childhood-cancer.org.
Life is Good Peace Valley Duathlon: 2-mile run, 8-mile bike, 2-mile run or 5K run, 16-mile bike , 5K run. Doylestown, 8 a.m. Fee: $65.
5th Annual Daniel McIntosh Memorial 5K run/1-Mile fun walk, 9 a.m. Neshaminy State Park, 3401 State Rd, Bensalem. Fee: $35 race day. Active.com.
24th Annual Komen Philadelphia Race for the Cure 5K, 1-Mile fun run/walk, 8:15 a.m., Eakins Oval/Philadelphia Museum of Art. Fee: $35; kids $15. Register at komenphiladelphia.org/race
Mother's Day 10K, 9 a.m., Washington Crossing Historic Park, Washington Crossing. Fee: $40, day of $50.
Cousins for Carol 5K Run/Walk,
9 a.m., Northampton Municipal Park, Hatboro Road, Northampton. $25 registration by 4/24/14 for guaranteed T-shirt, then $30. cousinsforcarol.org
3d Annual Rock N' Run 4 Kids 5K,
9 a.m. Fun Run 8:30. Coca-Cola Park, 1050 IronPigs Way, Allentown. Live performance by Craig Thatcher & Nyke van Wyk. Fee (by May 1): 5K $25, then $30. Fun Run: $15 then $20. Register at active.com or rocknrun4kids.com. Race day: 7:30 a.m. at Coca-Cola Park, cash or checks only.
25th Anniversary Kennett Run, 10K, 5K, 5K PoweRun, Kids Fun Run. Pre-registration at the Kennett YMCA gym, May 16 (5:30-7:30 p.m.; May 17 (6:30-8:30 a.m.) Fee: 5K Run/5K PowerRun: $30/$35; 10K Run/10K PoweRun: $30/$35; Kids Run: $20. Pre-registration ends May 11, noon.
Mayfair Fallen Heroes Run 5K, 8:30 a.m. Registration: 7:30-8:20 a.m. Mayfair Memorial Playground, Rowland Avenue and Vista Street. Fee: $20 before May 16, then $25.
Chester County Fallen Heroes 5K Run and 1-Mile Family Walk, 9:30 a.m. Registration: 8:15 a.m. Hibernia Park, 1 Park Rd., Coatesville. Register at
2d annual Defender Run 5K, 8 a.m., County Christian Academy, 104 Sparks Ave, Pennsville, N.J. Registration $25 . Race day is cash only. Tech T-shirt to all participants if registered by 5/5.
Dennis Spera Scholarship 5K, Williamstown, 9 a.m. Fee: $20 pre, $25 post. Williamstown High School, 700 N. Tuckahoe Rd. Sjtiming.com
Ardmore Rotary Race Around the Square 5K, 1-Mile walk, 9 a.m., Suburban Square, Ardmore. Fee: $30. www.ArdmoreRotary.org
Medford Lakes Colony Memorial Day 5K, 7:30 a.m., 90 Powhatan Trail, Medford Lakes. $20 pre $25 race day. Sjtiming.com