Richmond Runfest Half Marathon
Richmond, United Kingdom · Saturday 15 August 2026
The Richmond Runfest Half Marathon offers a unique running experience through one of London’s most scenic green spaces - Richmond Park. The race takes participants on a scenic course that weaves through the woodlands, open meadows, and wildlife reserves of this historic park, with stunning views of the Thames and surrounding countryside. The route provides a relatively flat course, with gentle inclines and plenty of space to build a strong pace.
Difficulty Calculator
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:m
:s
Adjusted Time
2:00:44
Time difference: +15.7 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain14m
Elevation High9m
Elevation Low4m
Weather Forecast
High19°C
Low9°C
Chance of Rain90%
How hard is Richmond Runfest Half Marathon?
Very Difficultharder than 89% of half marathons
Flattest / easiestHardest
On our difficulty model, Richmond Runfest Half Marathon plays about 17 minutes slower than an average road half marathon for a 1:30 runner. It ranks #51 hardest of 450 half marathons we analyse, and #20 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 Runfest Half Marathon?
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 Runfest Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:45:00 | +15:00 |
| 1:45:00 | 2:00:44 | +15:44 |
| 2:00:00 | 2:16:20 | +16:20 |
| 2:15:00 | 2:31:49 | +16:49 |
| 2:30:00 | 2:47:12 | +17:12 |
| 2:45:00 | 3:02:30 | +17:30 |
| 3:00:00 | 3:17:43 | +17:43 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Richmond Runfest Half Marathon 2026 Course Analysis
Richmond Runfest Half Marathon is a half marathon held in Richmond, United Kingdom. It is scheduled for Saturday 15 August 2026. The course is run on mixed surface with 14m of total climbing, with its high point near 9m above sea level. For registration and full race details, visit the official Richmond Runfest Half Marathon website.
Elevation Profile
This is a very flat course, with only 14m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for August, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 19°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 (90%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Mixed
Richmond Runfest Half Marathon 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 Runfest Half Marathon against other half marathons to find the right race for your goals.
Half marathons of similar difficulty
If Richmond Runfest Half Marathon fits your goal, these courses play out about the same on our difficulty model.
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