Mount Rainier Half & 5K
Ashford, United States of America · Expected Sunday 18 July 2027Date to be confirmed
Difficulty Calculator
Adjusted Time
2:23:21
Time difference: +38.3 minutes compared to an average road half marathon.
Course Details
Typical Race-Day Weather
Average for this date over the last 8 years.
How hard is Mount Rainier Half & 5K?
On our difficulty model, Mount Rainier Half & 5K plays about 35 minutes slower than an average road half marathon for a 1:30 runner. It ranks #34 hardest of 634 half marathons we analyse, and #11 of 186 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 Mount Rainier Half & 5K?
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Mount Rainier Half & 5K | Difference |
|---|---|---|
| 1:30:00 | 2:04:53 | +34:53 |
| 1:45:00 | 2:23:21 | +38:21 |
| 2:00:00 | 2:41:50 | +41:50 |
| 2:15:00 | 3:00:21 | +45:21 |
| 2:30:00 | 3:18:54 | +48:54 |
| 2:45:00 | 3:37:32 | +52:32 |
| 3:00:00 | 3:56:13 | +56:13 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Mount Rainier Half & 5K 2027 Course Analysis
Mount Rainier Half & 5K is a half marathon held in Ashford, United States of America. The next edition is expected on Sunday 18 July 2027, following the pattern of previous editions (the 3rd Sunday of July). The organisers have not confirmed it yet. The course is run on trail surface with 342m of total climbing and around 1106m of descent (a net drop of roughly 764m), with its high point near 2063m above sea level. For registration and full race details, visit the official Mount Rainier Half & 5K website.
Climbing
This is a net-downhill course: it descends roughly 764m more than it climbs (342m of ascent against about 1106m of descent), dropping from a high point near 2063m toward 1031m above sea level. Sustained descending fatigues the quads late in the race, so ease off early and do some downhill running in training.
Race-day weather
Over the last 5 years this July date has averaged a high of 17°C and a low of 3°C. That is cooler than 66% of the half marathons we track.
On 18 July over the last 5 years, the high ranged from 13°C (2022) to 22°C (2024), so pack for either. It stayed dry on all of them.
| 18 July | High | Low | Rain | Wind |
|---|---|---|---|---|
| 2026 | 13°C | 2°C | dry | 11 km/h |
| 2024 | 22°C | 7°C | dry | 6 km/h |
| 2023 | 16°C | 1°C | dry | 11 km/h |
| 2022 | 13°C | 1°C | dry | 22 km/h |
| 2021 | 20°C | 3°C | dry | 5 km/h |
Daily weather for the race location (Open-Meteo archive). Wind is the day's peak.
Surface
Trail: expect unpaved footing (dirt, gravel or forest paths), which our model counts as slower than road for the same climbing. Trail shoes with grip are worth it.
Looking for an easier marathon or a tougher challenge? You can also compare Mount Rainier Half & 5K against other half marathons to find the right race for your goals.
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If Mount Rainier Half & 5K fits your goal, these courses play out about the same on our difficulty model.
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