Windsor Half Marathon
Windsor, United Kingdom · Sunday 16 May 2027
The Windsor Half Marathon is a scenic race set in the royal town of Windsor, home to Windsor Castle, one of the official residences of the British monarch. The course offers runners a unique opportunity to race through the Royal Parks, past historic landmarks, and along the River Thames. Starting near the Windsor Great Park, runners enjoy stunning views of the castle and the surrounding countryside.
Difficulty Calculator
h
:m
:s
Adjusted Time
1:51:39
Time difference: +6.7 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain208m
Elevation High88m
Elevation Low24m
Weather Forecast
High29°C
Low12°C
Chance of Rain26%
How hard is Windsor Half Marathon?
Moderateharder than 73% of half marathons
Flattest / easiestHardest
On our difficulty model, Windsor Half Marathon plays about 7 minutes slower than an average road half marathon for a 1:30 runner. It ranks #122 hardest of 450 half marathons we analyse, and #33 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 Windsor 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 Windsor Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:34:51 | +04:51 |
| 1:45:00 | 1:51:39 | +06:39 |
| 2:00:00 | 2:08:36 | +08:36 |
| 2:15:00 | 2:25:41 | +10:41 |
| 2:30:00 | 2:42:54 | +12:54 |
| 2:45:00 | 3:00:14 | +15:14 |
| 3:00:00 | 3:17:40 | +17:40 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Windsor Half Marathon 2027 Course Analysis
Windsor Half Marathon is a half marathon held in Windsor, United Kingdom. It is scheduled for Sunday 16 May 2027. The course is run on road surface with 208m of total climbing, with its high point near 88m above sea level. For registration and full race details, visit the official Windsor Half Marathon website.
Elevation Profile
With 208m 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 May, the expected race day conditions are as follows. Moderate temperatures between 12°C and 29°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 moderate chance of rain (26%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Windsor Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare Windsor Half Marathon against other half marathons to find the right race for your goals.
Half marathons of similar difficulty
If Windsor Half Marathon fits your goal, these courses play out about the same on our difficulty model.
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