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Hawaii · United States · Road

Under the Moon

◉ Hilo, Hawaii, United States
Updated May 22, 2026

Under the Moon is listed for August 1, 2026 in Hilo, Hawaii, United States. Listed distances: 100K, 50K, 25K, Relay. Confirm the date, registration and travel details with the official organizer before you book.

Date
August 1, 2026
Distances
100K, 50K, 25K, Relay
Location
Hilo, Hawaii, United States
Surface
Road

About this race

UltraSignup listed distances: 100K, 100 K Relay, 50K, 50 K Relay, 25K Relay, 25 K. Organizer/group: Hawaii Mountain Running. Official website: https://hawaiimountainrunning.org/. Registration source: https://ultrasignup.com/register.aspx?eid=12424.

Key facts

Date
August 1, 2026
Location
Hilo, Hawaii, United States
Events
100K, 50K, 25K, Relay
Surface
Road
Official source
Registration page & official site
Listing status
updated May 22, 2026

Before you register

  • 1
    Confirm the race-day schedule

    Verify the August 1, 2026 start times, packet pickup and corral instructions on the official source before booking travel.

  • 2
    Pin the exact start area

    Use Hawaii as the planning region, then confirm the precise start, finish, parking and transport with the organizer.

  • 3
    Pick your distance

    Listed options are 100K, 50K, 25K, Relay. Check the source for current per-distance availability and limits.

  • 4
    Review entry terms

    Read entry rules, refund terms, participant limits and transfer rules before you pay.