Saturday, Jun 6, 2020
Registration closes: Fri, Jun 5 @ 11:59PM

Check In

We are thrilled to announce the date of the Under the Moon 100k & 50 k will be June 6th 2020 beginning at 5pm in Hilo for the 100k and 10 pm (at Saddle Road & Mauna Kea access road)!

Check in will be at 4:30 pm for the 100 k, from the KTA parking lot – 50 E Puainako St. Hilo, and at 9:30 pm for the 50 k at the Puu Huluhulu Cinder Cone Parking Lot across from the Saddle Road & Mauna Kea Access Road Intersection. Masks will be required to check in with Alyx & Billy ( by a Green Kia Soul). Please ONLY have runners come up to us ( keep your crews in the car ), and please allow 6 feet from any other runners you may see while getting final instructions.

The Course

100% Pavement with most of the elevation gain in the first half ( for the 100k). The route is approx. 7500 feet of climbing, and 5000 feet of descent! The course is alongside Saddle Road from Hilo to Waimea.
The 50k is 100% pavement with 700 ft elevation gain and 5000 ft. elevation descent.

Aid Stations

Runners will be required to be self sufficient. Runners are required to have their own "water and food drops" or crew meeting them along the course. We ask IF you have a crew that they, pull well off the road and shoulder allowing enough space for other runners to pass safely. Runners will be responsible for getting back to the start from Waimea to Hilo or Mauna Kea Access Road intersection.

Cut Off Times

18 hours for completion of the 100k. You must reach the top of Saddle Road by Mauna Kea Recreation area in 10 hours.

Required Gear

Reflective apparel and lights is required for all runners. Temperatures could be between the low 40's with strong wind and rain to the mid 70's. You are responsible for your warmth and well being. Prepare accordingly.

Course History

If you would like to read more about the history of those who have run this route when it was a race organized by Kawika Spaulding please click here: https://hurthawaii.blogs.com/hurthawaii/2006/04/big_island_sadd_1.html It is important to remember we will be going from Hilo to Waimea this year ( more climbing and a harder route)

Local time: 9:16 PM
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