Under the Moon

Event Details

Date: Saturday, Jun 7, 2025

Location: 50 E Puainako St, Hilo, HI

Starting Times:

• 100K - 4:00 PM
• 100 K Relay - 4:00 PM
• 50K - 10:00 PM
• 50 K Relay - 10:00 PM
• Marathon -- Les - 11:00 PM
• 25K Relay - 11:55 PM
• 25 K - 11:55 PM

Course Information

The course is 100% paved. The 100K has approximately 7,500 feet of climbing and 5000 feet of descent, with most elevation gain in the first half of the race. The 50K has about 700 feet of elevation gain, while the 25K features nearly 3,000 feet of descent.

Registration

Registration closes on Sat, Jun 7 @ 11:59PM HAT. Register early to secure lower prices:

• 100K - $97.06 (up to $115.01 after Jun 05)
• 100 K Relay - $115.01 (up to $142.89 after Jun 05)
• 50K - $58.12 (up to $74.81 after Jun 05)
• 50 K Relay - $74.81 (up to $91.50 after Jun 05)
• Marathon -- Les - $47.00 (up to $58.12 after Jun 05)
• 25K Relay - $47.00 (up to $63.69 after Jun 05)
• 25 K - $35.87 (up to $47.00 after Jun 05)

Contact

If you have further questions regarding the event, please reach out to the organizers via the event page.