Kenai River Marathon
Kenai, United States of America · Sunday 27 September 2026
The Kenai River Marathon features a 26.2-mile loop course notable for its rolling hills and predominantly paved roads. The route begins in Old Town Kenai, offering participants a brief view of the mouth of the Kenai River and the distant Kenai Mountains before progressing through residential areas and connecting to the Unity Trail.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:55:27
Time difference: -4.5 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain142m
Elevation High52m
Elevation Low6m
Weather Forecast
High11°C
Low7°C
Chance of Rain23%
How hard is Kenai River Marathon?
Moderateharder than 20% of marathons
Flattest / easiestHardest
On our difficulty model, Kenai River Marathon plays about even with an average road marathon for a 3:30 runner. It ranks #923 hardest of 1150 marathons we analyse, and #435 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Kenai River Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Kenai River Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:55:12 | −04:48 |
| 3:30:00 | 3:25:19 | −04:41 |
| 4:00:00 | 3:55:27 | −04:33 |
| 4:30:00 | 4:25:36 | −04:24 |
| 5:00:00 | 4:55:46 | −04:14 |
| 5:30:00 | 5:25:57 | −04:03 |
| 6:00:00 | 5:56:09 | −03:51 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Kenai River Marathon 2026 Course Analysis
Kenai River Marathon is a full marathon held in Kenai, United States of America. It is scheduled for Sunday 27 September 2026. The course is run on road surface with 142m of total climbing, with its high point near 52m above sea level. For registration and full race details, visit the official Kenai River Marathon website.
Elevation Profile
With 142m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°C to 11°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (23%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Kenai River Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Kenai River Marathon against other marathons to find the right race for your goals.
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