Richmond Riverside Summer Half Marathon

Richmond Riverside Summer Half Marathon 2026 Course Analysis

Richmond Riverside Summer Half Marathon is a half marathon held in Richmond, United Kingdom, scheduled for Saturday 6 June 2026. The course is run on trail surface with 102m of total elevation gain, reaching a maximum altitude of 19m above sea level. For registration and full race details, visit the official Richmond Riverside Summer Half Marathon website.

Elevation Profile

With 102m of elevation gain, this is a moderately undulating course. The route ranges from 4m to 19m above sea level (15m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.

Expected Race Day Weather

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 marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a low chance of rain (5%), so dry conditions are likely.

Surface Type: Trail

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 inherently slower than road courses due to uneven footing, technical sections, and often steeper gradients. Trail-specific shoes with good grip are recommended, and runners should expect a finish time 10-20% slower than their equivalent road marathon time.

How Difficult Is Richmond Riverside Summer Half Marathon?

Our difficulty rating for Richmond Riverside Summer Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.

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.