Race Discovery
Hawaii Kai Ultra Run - Kalama Valley
Hawaii Kai Ultra Run - Kalama Valley logo

2025 - Hawaii Kai Ultra Run - Kalama Valley

Honolulu, Hawaii, United States View on map
Dec 20, 2025 – Dec 21, 2025 (Pacific/Honolulu local time)
Trail running

2025 distances

Running

Half Marathon

Dec 20, 2025 Half-Marathon 3:00 AM
$30.00
Closed

30K

Dec 20, 2025 30K 3:00 AM
$30.00
Closed

Marathon

Dec 20, 2025 Marathon 3:00 AM
$35.00
Closed

Trail running

50K

Dec 20, 2025 Ultra 3:00 AM
$40.00
Closed

50 Miles

Dec 20, 2025 Ultra 3:00 AM
$40.00
Closed

100K

Dec 20, 2025 Ultra 3:00 AM
$45.00
Closed

100 Miles

Dec 20, 2025 Ultra 3:00 AM
$45.00
Closed

Race-day weather

Conditions on December 20, 2025 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (recorded on race day) 20.8° / Maximum temperature (recorded on race day) 26.3°
Feels Like (°C)
Minimum feels like — heat index / wind chill (recorded on race day) 20.8° / Maximum feels like — heat index / wind chill (recorded on race day) 26.3°
Peak wind (km/h)
Strongest wind of the day (recorded on race day)
14.7
Precip (mm)
Precipitation over the day (recorded on race day)
1.4mm
Humidity
Mean relative humidity (recorded on race day)
86.5%
Sunrise
Sunrise at the start line on December 20, 2025 (HST)
Sunset
Sunset at the start line on December 20, 2025 (HST)
Daylight
Hours between sunrise and sunset on race day
10h 50m

The sun rises at 7:04 AM and sets at 5:54 PM local time (HST) in Honolulu on December 20, 2025 — 10h 50m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Other races near Honolulu

Different organizers, within 40 miles, in the next three months

Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 30 Honolulu events

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