* Tonight: WRRC Twilight Series, Pleasant Valley 4-miler, 7 p.m., 857-5427.
* Saturday: Gunpowder Neck 10-miler, Aberdeen PG, Edgewood, 8 a.m., 838-5504; A Place for Your Pace, Loch Raven, 8 a.m.; Rick 5-K, Bay Ridge, 8:30 a.m., 269-5981; USA/Mobil Outdoor Track Championships, Downing Stadium, New York.
* Sunday: GBMC Father's Day 5-K, Sheraton Towson, 8 a.m., 494-8649; Striders' Father's Day 10-K, Edgewater, 8 a.m., 268-1165; Bud Light Triathlon, San Jose, Calif.
* June 21: Crustacean Crawl 4-miler, Goucher College, 7 p.m., 566-RUN2.
* June 22: Place for Your Pace, Loch Raven, 8 a.m.; Grandma's Marathon, Duluth, Minn.
* June 23: Baltimore Bud Light Triathlon, Gunpowder Falls, 7 a.m.; Mill 10-K, Havre de Grace, 8 a.m., 939-0821; San Francisco Marathon; Cascade Runoff 15-K.
* Future book: Crofton 10-K, June 29; BRRC 4-miler, June 30; Arbutus Firecracker 10-K, July 4; Dundalk Heritage 6-K, July 4; Peachtree Road Race, July 4; Havre de Grace Independence 4-miler, July 6; Falmouth Road Race, Aug. 18.
* Marathons: Lompoc, Calif., Sunday; Duluth, Minn., Anchorage, Ala., Muir Beach, Calif., June 22. San Francisco, June 23. Flushing Meadow, N.Y., June 29. Columbus, Ohio, June 30.
* News and notes: Baltimorean Janet Hatfield won the Columbus, Ohio, stop on the Coors Biathlon (run-bike) Series . . . Troy Jacobson of Hunt Valley won a triathlon in New Jersey, finished third in the Cambridge Triathlon and has qualified for the Hawaii Ironman in the fall . . . Chris Fox (23:59) and Tammy Slusser (28:28) took the Red Rose 5-miler in Lancaster, Pa.