_ The 2018 Tantalus 10-Mile Challenge:
This is a one-loop course. Start on Makiki Heights Drive near Halau Kumana School, heading uphill on Makiki Heights Drive, branching onto Tantalus Drive uphill for about five miles, then onto Round Top Drive heading downhill for more than four miles to a right turn onto Makiki Street, and another right onto Makiki Heights Drive, finishing uphill near the starting point.