
Richmond, United Kingdom · Sunday 6 June 2027
A charming, flat, and scenic race, the Richmond Riverside Summer Half Marathon offers runners a chance to race along the picturesque Thames River path, surrounded by lush greenery and historic bridges. The relaxed atmosphere makes it a great choice for first-time half marathoners, yet the flat terrain also attracts runners looking for fast times.
Adjusted Time
2:32:01
Time difference: +47.0 minutes compared to a flat, road, temperate course.
On our difficulty model, Richmond Riverside Summer Half Marathon plays about 45 minutes slower than an average road half marathon for a 1:30 runner. It ranks #15 hardest of 450 half marathons we analyse, and #4 of 89 in United Kingdom. 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 half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Richmond Riverside Summer Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 2:12:42 | +42:42 |
| 1:45:00 | 2:32:01 | +47:01 |
| 2:00:00 | 2:51:16 | +51:16 |
| 2:15:00 | 3:10:30 | +55:30 |
| 2:30:00 | 3:29:44 | +59:44 |
| 2:45:00 | 3:48:58 | +1:03:58 |
| 3:00:00 | 4:08:14 | +1:08:14 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Richmond Riverside Summer Half Marathon is a half marathon held in Richmond, United Kingdom. It is scheduled for Sunday 6 June 2027. The course is run on trail surface with 102m of total climbing, with its high point near 19m above sea level. For registration and full race details, visit the official Richmond Riverside Summer Half Marathon website.
With 102m 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 June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 17°C and 35°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 (5%), so dry conditions are likely.
Richmond Riverside Summer Half Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Richmond Riverside Summer Half Marathon against other half marathons to find the right race for your goals.
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