The Marathon and the Race for the Cure are already in the history books, but there's a lot more to come in running, biking, swimming and tennis calendars.

RUNNING

Relay for Life: The American Cancer Society seeks volunteers and teams for the 24-hour event, in which teams of 10-15 take turns walking or running around a track to raise funds for the nonprofit group. Music, games, entertainment provided during each relay. Multiple dates and locations. Details: 1-800-ACS-5445 or www.cancer.org.

		More listings • See all lists of events, activities and places to go.

Greenfield Glide 5K Run & Fitness Walk: Cross-country challenges in 24th annual race through Schenley Park. Schenley Park Overlook (June 7). Registration: Citiparks, 412-422-8885.

Riverview Park 5K run and fitness walk: Riverview Park Activities Building (June 12). 412-255-2493 or www.riverview5K.com.

Panther Hollow Challenge, 10K, 5K: Westinghouse Monument, Schenley Park (June 21). 412-327-2151.

Pittsburgh Pirates Fun Run/Walk for Epilepsy: PNC Park (June 27). 1-800-361-5885 or www.efwp.org.

Brookline Breeze 5K Run/Walk: 5K run and fitness walk and 1-mile fun run. Brookline Boulevard at Pioneer Avenue (Aug. 8). www.brooklinebreeze.com.

Pittsburgh Triathlon & Adventure Race: at Riverfront Park (June 26). 412-393-7115.

Run Around the Square: 1.5-mile fun run/walk through Fern Hollow, Frick Park, includes costumed characters and musicians. Regent Square School (Aug. 22). 412-422-6562.

Gatorade/Steelers 5K Race, Fitness Walk and Kids' Kickoff Run: Heinz Field (Aug. 30). 412-697-7713 or www.steelers.com.

Dollar Bank Junior Great Race: Ninth annual race includes the One-Mile Family Fun Run, the 50-Yard Tot Trot and the Diaper Dash. Downtown (Sept. 20). 412-255-2493.

Richard S. Caliguiri Great Race: 10K race begins in Frick Park at Beechwood Boulevard and finishes outside Point State Park. The 5K will start at Fifth and Atwood in Oakland and follow the same route as the 10K to the finish line (Sept. 27). 412-255-2493.

WALKING

Great Strides Walk: 10K walk and day of fun and fitness with games and pony rides benefits the Cystic Fibrosis Foundation. North Park, Boyce Park and South Park (May 17). www.cff.org/great_strides.

Walk With Me Easter Seals Benefit: Pittsburgh Zoo & PPG Aquarium (July 25). www.walkwithme.org.

BIKING

Pedal Pittsburgh: A 6- to 60-mile bike tour of Pittsburgh design landmarks and neighborhoods. Begins and ends at SouthSide Works (May 17). 412-232-3545.

Escape to the Lake: 150-mile bike tour from Cranberry to Lake Erie to raise money for the National Multiple Sclerosis Society (June 6-7). www.nationalmssociety.org or 412-261-6347.

Tour de Cure: Rides of 8 to 100 miles. Benefits American Diabetes Association. Seneca Valley High School, Harmony (June 21). 1-888-342-2383.

For more information on biking events, go to the Western Pennsylvania Wheelmen site at www.wpwbikeclub.org.

POOLS

Citiparks will operate the following outdoor swimming pools June 13-Labor Day:

Ammon (Hill District), Banksville, Bloomfield, Fowler (Perry South), Highland Park, Homewood, Jack Stack (Brighton Heights), Magee (Greenfield), McBride (Lincoln Place), Moore (Brookline), Ormsby (South Side), Phillips (Carrick), Ream (Mount Washington), Riverview Park, Schenley Park, Sue Murray (North Side), West Penn, Westwood.

Individuals can purchase pool tags or pay a daily admission fee.

Each of these pools will sponsor a Citiparks swim team for children 6-18 years old. Teams will compete throughout the summer and the ultimate champions will compete at the Citiparks Championship Swim Meet Aug. 1 at the Highland Park pool.

Children from preschoolers to teens can attend swimming lessons for a small fee. Citiparks will offer free two-week "learn to swim camps" at various pools throughout the summer for children 6-15.

Information: 412-323-7928 or www.Citiparks.net.

TENNIS

Citiparks has courts in Frick, Highland, McKinley, Mellon, Schenley and West parks, as well as courts in dozens of neighborhood parks and playgrounds.

Summer programs include tennis lessons and summer tennis camps. Various fees.

Bob O'Connor Summer Tennis Classic: Tennis enthusiasts of all ages and abilities will take to five city courts for the second annual competition (June 20-28).

Paul G. Sullivan Championship: Now in its 88th year, this tournament is open to all players 16 and older. Frick Park Red Clay Courts (July 11-18).

Information: 412-244-4188 or www.tennisinpittsburgh.com.

SENIOR GAMES

Residents of Allegheny County who are over 60 can take part in the Summer Senior Games (June 1-12) at various locations. Compete in archery, bocce, bowling, darts, 5K run, golf (9 holes), horseshoes, kooshball, pool (8-ball), shuffleboard and track & field (casting, Frisbee toss, Â 1/2-mile walk and softball throw). 412-422-6405 or www.Citiparks.net.

BASKETBALL

Eat'n Park/Hope Classic: 3-on-3 double elimination tournament and skills contests for ages 8 and up, with proceeds benefiting the Hope Network. Galleria at Pittsburgh Mills (June 13). www.hopenetwork-pa.org.

IN THE PARKS

Disc golf: 18-hole course at Schenley Park Meadow; nine-hole course at Phillips Park in Carrick. Information: Flying Disc Society, 724-933-6969.

Lawn bowling: The Frick Park Lawn Bowling Club offers free introductory lessons at 1 p.m. Saturdays through May and by appointment at the greens in Frick Park, 7300 Reynolds Ave. www.lawnbowling.net or 412-782-0848.

TRAILS

Take a hike on one of these trails.

Armstrong Trail: 724-543-4478. This 52.5-mile trail winds along the Allegheny River from Armstrong County to Clarion County.

Arrowhead Trail: 724-942-5000, www.peterstownship.com. Four miles of winding trail along Brush Run Creek in Peters.

Butler-Freeport Community Trail: www.dcnr.state.pa.us. More than 10 miles of crushed limestone surface.

Eliza Furnace Trail: 412-255-2539. Nearly three miles of trail running from Downtown to Greenfield between Second Avenue and the Parkway East.

Montour Trail: 412-831-2030, www.montourtrail.org. More than 30 miles of trail from Carnegie to Weirton, W.Va.

Three Rivers Heritage Trail: 412-488-0212 or www.atatrail.org. Five miles of trail beginning at Washington's Landing and running along the picturesque Allegheny River to the North Shore.

Yough Trail North: 724-872-5586 or www.youghrivertrail.com. From McKeesport to Connellsville, the trail encompasses 43 miles along the Youghiogheny River.

VENTURE OUTDOORS

The nonprofit organization offers more than 500 outings, classes and events (year-round) designed to make it easy to try new activities outdoors, especially for beginners. They offer Public Programs that are open to all and Group Programs that are especially designed for youth groups, staff development or client entertainment. Information and registration: www.ventureoutdoors.org or 412-255-0564.

Here are some highlights for this season:

Venture Outdoors Festival: Join Venture Outdoors for an entire day of FREE outdoor activities for all ages and skill levels. Try your hand at biking, kayaking, fishing, climbing, dragon boating, and yoga all at newly renovated Point State Park, May 16, 11 a.m.-6 p.m.

Paddling: From May to October, kayak rentals are available at Kayak Pittsburgh Downtown, 412-969-9090, under the Roberto Clemente Bridge, and the newest location on Lake Elizabeth inside the Allegheny Commons. Kayak, canoe, and rowboat rentals are available at Kayak Pittsburgh North Park, 724-935-1968, located inside the North Park Boat House. Information: www.kayakpittsburgh.org.

Beginner Paddles Downtown every other Monday starting May 25. $27 for members, $37 for nonmembers. 5:45-8:30 p.m.

Beginner Paddles at North Park Lake every other Monday starting May 18. $22 for members, $30 for non-members. 6-8 p.m.

Wednesday Wake-up Paddles Downtown every Wednesday. $13 for members, $18 for nonmembers. 6:15-7:30 a.m.

Happy Hour Paddles Downtown on May 22, June 19, July 24 and Aug. 14. $16 for members, $22 for nonmembers. 5:45-7 p.m.

Fireworks Paddles Downtown June 27 and July 18. $34 for members, $45 for nonmembers. 7:30-10 p.m.

FISHING

TriAnglers Downtown Fishing Program every Wednesday in front of PNC Park on the Riverfront Trail. All gear and bait provided (all participants age 16 or older must have valid Pennsylvania fishing license). $5 for the season. 11:30 a.m.-1:30 p.m.

HIKING

Day Treks, Pie Hikes, Beer and Wine Hikes, Nature Hikes, Yoga Outdoors, Tyke Hikes and Doggie Day Treks, to name a few. More than 60 different hikes in state, county and city parks. Prices vary from $6-$40 depending on activity.

BIKING

Green Building Bike Excursions, June 7, July 25, Aug. 9. $15 for members, $20 for nonmembers. 1-6 p.m.

FAMILY PROGRAMS

A new line of programs designed especially for families featuring weekly activities and monthly festivals. Weekly activities include family bike rides, fishing derbies and Tyke Hikes. Monthly festival dates: June 20, July 25, Aug. 29. noon-4 p.m.