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Kauai Marathon 2027

✓ Verified date — September 5, 2027
Date
September 5, 2027
Location
Kauai, USA
Distance
42.2 km
Difficulty
Not rated
Field
319 finishers

The 2027 Kauai Marathon takes place on Sunday, September 5, 2027 in Kauai, USA. Starts and finishes in Poipu on Kauai's south coast; the marathon and half share the first 11 miles along the coastline. Race-week weather is typically 23°C to 28°C.

Training for the Kauai Marathon?

Coach Icarus builds your plan around your fitness and your schedule.

The course

Starts and finishes in Poipu on Kauai's south coast; the marathon and half share the first 11 miles along the coastline. The full marathon continues through Omao and Lawai, climbing to Kalaheo for ocean views before a long gradual descent back to Poipu Beach. Hilly course with about 2,200 feet of total climbing and a maximum elevation near 820 feet; paved roads.

Course summary source: marathons2025.com

Course map & elevation

Distance

42.2 km

Elevation gain

415 m

Elevation loss

412 m

High / low

225 / 12 m

0 km13 m – 263 m42.2 km

🛰️ Community-sourced GPX with DEM-corrected elevation — not an organizer-verified course.

Race-week weather

Typical high

28°C

Typical low

23°C

Year-to-year swing

±0.8°C

Rain

4.1 mm/day

Based on 2020-2025 of race-week history, with peak gusts around 19 km/h.

Difficulty

ClimbingNot rated
DownhillNot rated
Heat3/3
Altitude0/3

Race facts

Official race site
thekauaimarathon.com ↗
Start time
06:00
Field size
319 finishers (2025)
Boston qualifier
No

Distances: 42.2 km · 21.1 km

When is the Kauai Marathon 2027?

The 2027 Kauai Marathon takes place on Sunday, September 5, 2027.

Training for the Kauai Marathon?

Coach Icarus builds your plan around your fitness and your schedule.

Predict your finish time

Enter one recent race result and get predicted finish times across 5K, 10K, half marathon, and marathon.

Race Time Predictor
Enter a recent race result to predict your finish time at another distance, using Riegel's formula.
Hours
Minutes
Seconds

Predicted Finish Time

52:07

Pace / km

5:13

Pace / mile

8:23

DistancePredicted Time
5K25:00
10K52:07
Half Marathon1:55:00
Marathon3:59:47

Predictions assume similar fitness, course, and conditions — they are a starting point for goal setting, not a guarantee.

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