
Brisbane, Australia · Friday 31 July 2026
Run the River Marathon is an annual marathon event held in Kennewick, Washington, with its course traversing the nearby cities of Richland and Pasco. The marathon, formally established a few years ago, is notable for its scenic riverfront route that closely parallels the Columbia River and incorporates several prominent local trails, including the Columbia Park Trail, Sacajawea Heritage Trail, and Riverfront Trail.
Adjusted Time
4:09:24
Time difference: +9.4 minutes compared to a flat, road, temperate course.
On our difficulty model, Run the River Marathon plays about 12 minutes slower than an average road marathon for a 3:30 runner. It ranks #362 hardest of 1150 marathons we analyse, and #12 of 27 in Australia. Use the calculator above to see the exact adjusted time for your own goal pace.
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 Run the River Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:04:30 | +04:30 |
| 3:30:00 | 3:36:52 | +06:52 |
| 4:00:00 | 4:09:24 | +09:24 |
| 4:30:00 | 4:42:06 | +12:06 |
| 5:00:00 | 5:14:56 | +14:56 |
| 5:30:00 | 5:47:55 | +17:55 |
| 6:00:00 | 6:21:02 | +21:02 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Run the River Marathon is a full marathon held in Brisbane, Australia. It is scheduled for Friday 31 July 2026. The course is run on road surface with 103m of total climbing, with its high point near 132m above sea level. For registration and full race details, visit the official Run the River Marathon website.
With 103m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Based on historical weather data for July, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 18°C and 28°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (0%), so dry conditions are likely.
Run the 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 Run the River Marathon against other marathons to find the right race for your goals.
If Run the River Marathon fits your goal, these courses play out about the same on our difficulty model.
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Milsons Point, Australia
Sydney, Australia
Newcastle, Australia