Richmond Park Half Marathon - September
London, United Kingdom · Tuesday 8 September 2026
The Richmond Park Half Marathon offers a unique running experience within the tranquil setting of one of London’s largest and most beautiful parks. Held in September, the race lets participants enjoy the stunning natural beauty of Richmond Park, with its ancient woodlands, rolling meadows, and herds of deer roaming freely. The flat, fast course is ideal for setting a personal best, though the natural terrain with occasional undulating paths adds to the challenge.
Difficulty Calculator
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:m
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Adjusted Time
2:09:51
Time difference: +24.9 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain209m
Elevation High50m
Elevation Low13m
Weather Forecast
High22°C
Low13°C
Chance of Rain0%
How hard is Richmond Park Half Marathon - September?
Very Difficultharder than 91% of half marathons
Flattest / easiestHardest
On our difficulty model, Richmond Park Half Marathon - September plays about 24 minutes slower than an average road half marathon for a 1:30 runner. It ranks #41 hardest of 450 half marathons we analyse, and #12 of 89 in United Kingdom. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Richmond Park Half Marathon - September?
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 Richmond Park Half Marathon - September | Difference |
|---|---|---|
| 1:30:00 | 1:52:11 | +22:11 |
| 1:45:00 | 2:09:51 | +24:51 |
| 2:00:00 | 2:27:32 | +27:32 |
| 2:15:00 | 2:45:15 | +30:15 |
| 2:30:00 | 3:03:00 | +33:00 |
| 2:45:00 | 3:20:48 | +35:48 |
| 3:00:00 | 3:38:38 | +38:38 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Richmond Park Half Marathon - September 2026 Course Analysis
Richmond Park Half Marathon - September is a half marathon held in London, United Kingdom. It is scheduled for Tuesday 8 September 2026. The course is run on mixed surface with 209m of total climbing, with its high point near 50m above sea level. For registration and full race details, visit the official Richmond Park Half Marathon - September website.
Elevation Profile
With 209m 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. Moderate temperatures between 13°C and 22°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Mixed
Richmond Park Half Marathon - September features a mixed-surface course, combining sections of road with unpaved terrain such as gravel paths, parkland, or boardwalks. Mixed courses add variety but also introduce some unpredictability in footing. Expect slightly slower times than on a pure road course, and road-trail hybrid shoes may be the best footwear option.
Looking for an easier marathon or a tougher challenge? You can also compare Richmond Park Half Marathon - September against other half marathons to find the right race for your goals.
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If Richmond Park Half Marathon - September fits your goal, these courses play out about the same on our difficulty model.
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