This series of MPRRC races, managed by 808Race, will prepare you to run the Honolulu Marathon in December. It consists of the HMSA Norman Tamanaha 15K, Sunday, August 13, 2023, at Kapiolani Park, the Runner's HI 20K, Sunday, September 3, 2023, at Kalaeloa (formerly Barber's Point NAS), Hybrid Design 25K, Sunday, October 1, 2023, Kailua Beach Park, Boca Hawaii 30K, Sunday, October 22, 2023, at Kapiolani Park, and the Running Room Val Nolasco Half Marathon, Sunday, November 12, 2023, at Kapiolani Park. Register here for the series (all 5 events). To register for individual races in the series, select the event on this page. Members of the Mid-Pacific Road Runners Club will automatically receive a discounted price for the series (the discount does not apply for individual races). The member discount will be shown on the final registration (payment) page.