Kenai River Marathon
Kenai, United States of America · Monday 27 September 2027
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
3:55:24
Time difference: -4.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain142m
Elevation High52m
Elevation Low6m
Weather Forecast
High13°C
Low5°C
Chance of Rain92%
How hard is Kenai River Marathon?
Moderateharder than 17% 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 #957 hardest of 1151 marathons we analyse, and #459 of 576 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 | 2:55:10 | −04:50 |
| 3:30:00 | 3:25:16 | −04:44 |
| 4:00:00 | 3:55:24 | −04:36 |
| 4:30:00 | 4:25:32 | −04:28 |
| 5:00:00 | 4:55:42 | −04:18 |
| 5:30:00 | 5:25:52 | −04:08 |
| 6:00:00 | 5:56:03 | −03:57 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Kenai River Marathon 2027 Course Analysis
Kenai River Marathon is a full marathon held in Kenai, United States of America. It is scheduled for Monday 27 September 2027. 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 5°C to 13°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (92%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
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.
Marathons of similar difficulty
If Kenai River Marathon fits your goal, these courses play out about the same on our difficulty model.
Other Marathons in United States of America
Union Home Mortgage Cleveland Marathon
Cleveland, United States of America
Road210m gainOct 2026
Lakeside Marathon
Spooner Lake, United States of America
Road0m gainOct 2026
Garmin Kansas City Marathon
Kansas City, United States of America
Road308m gainOct 2026
Blue Sky Marathon
Fort Collins, United States of America
Road1064m gainOct 2026
Mankato Marathon
Mankato, United States of America
Trail277m gainOct 2026
Jackson Hole Marathon
Jackson, United States of America
Trail173m gainOct 2026