Honolulu Marathon

This edition is listed as Marathon in Honolulu, Hawaii, USA.

Typical race-morning air at Honolulu Marathon averages 22°C across the last 10 years (about 21°C to 24°C in that window). The morning can still warm as you run. The stickiest morning in that set was 2025, WBGT around 23°C. Use that range for planning, not as a promise for race day.

2025 (14 Dec 2025) was the hottest Honolulu Marathon morning in that set, WBGT around 23°C. Treat that year as the spike, not as the usual morning.

The 2025 race is behind you. Plan the next one from the historical race-morning weather on this page until the next date is published. Typical race-morning air averages 22°C.

Heat, humidity, wind or a lumpier day than you hoped all raise the chance of a late fade. If the start feels easy, don't spend it. Back off early, and hold even effort even if that means slower than the A-goal. The preview on this page is the starting point. Full personalised splits sit in Race Pass or Pro.

About 161 m of climbing and 161 m of descent. Rolling. Almost all of it sits within 2%. No steep grades over 6%. 5 climbs.

It is an estimate of how the course and conditions could move your baseline. Your body still decides the rest: heat adaptation, fuelling, prep, mindset, how you race, and whether you can draft.

The free page covers conditions, course context and a finish preview. Full personalised pacing and weather-adjusted splits sit in Race Pass or Pro.