Aug. 6 Surf&Sea North Shore Challenge (2.4 miles) - Ehukai to Waimea Bay, 9 a.m. 676-1963 or 372-8885/www.hawaiiswim.com

Aug. 7 Harold Chapson Memorial Run (8 kilometers) - Kapi'olani Park, 6 a.m. 589-2646/www.mprrc.com

Aug. 7 Napo'opo'o Honanunau swim/relay (4.5 miles) - Napo'opo'o Bay, Hawai'i. (808) 3289395

Aug. 13 HURT Trail Series, Maunawili (22 miles and relay) - Pali Lookout, 7 a.m. 834-1648 or jeff.huff2@verizon.net

Aug.14 Mountainman Triathlon/Trail Run (750-meter swim/10k bike/6k run) - Kualoa Ranch, 9 a.m. (7:30 a.m. trail run) 591-9839/www.bocahawaii.com

Aug. 14 Aluminum Man Scenic Challenge (Half-mile swim/4.3-mile run) - Kahekili Beach Park, Maui, 8 a.m. (808) 878-2949

Aug. 21 Norman Tamanaha Memorial Run 15 kilometers Kapi'olani Park, 6 a.m. 295-6777/www.mprrc.com

Aug. 21 Try Fitness Off-Road Challenge (8-kilometer run) - Kualoa Ranch, 7 a.m. 946-0346/www.tryfitnesshawaii.com

Aug. 27 June Jones Foundation 5K (5-kilometer run/walk) - Les Murakami Stadium. www.junejonesfoundation.org

Aug. 27 Warrior 3-miler (3 miles) - Waiakea High School, Hawai'i. (808) 969-7400

Aug. 28 Rosie Wall Memorial 5K (5-kilometer run/walk) - Kailua Rec Center. www.rosiewallmemorial.com