Royal Parks Half Marathon
London, United Kingdom · Expected Sunday 10 October 2027Date to be confirmed
Difficulty Calculator
Adjusted Time
1:42:25
Time difference: -2.6 minutes compared to an average road half marathon.
Course Details
Typical Race-Day Weather
Average for this date over the last 8 years.
How hard is Royal Parks Half Marathon?
On our difficulty model, Royal Parks Half Marathon plays about 2 minutes faster than an average road half marathon for a 1:30 runner. It ranks #545 hardest of 634 half marathons we analyse, and #100 of 111 in United Kingdom. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Royal Parks 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 Royal Parks Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:27:33 | −02:27 |
| 1:45:00 | 1:42:25 | −02:35 |
| 2:00:00 | 1:57:16 | −02:44 |
| 2:15:00 | 2:12:07 | −02:53 |
| 2:30:00 | 2:26:57 | −03:03 |
| 2:45:00 | 2:41:46 | −03:14 |
| 3:00:00 | 2:56:35 | −03:25 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Royal Parks Half Marathon 2027 Course Analysis
Royal Parks Half Marathon is a half marathon held in London, United Kingdom. The next edition is expected on Sunday 10 October 2027, following the pattern of previous editions (the 2nd Sunday of October). The organisers have not confirmed it yet. The course is run on road surface with 60m of total climbing, with its high point near 27m above sea level. For registration and full race details, visit the official Royal Parks Half Marathon website.
Climbing
At 60m of total climbing, it is flatter than 76% of the 634 half marathons we rate.
Race-day weather
Over the last 5 years this October date has averaged a high of 17°C and a low of 9°C. That is cooler than 65% of the half marathons we track.
On 10 October over the last 5 years, the high ranged from 15°C (2026) to 21°C (2023). It rained on 2 of those 5 days.
| 10 October | High | Low | Rain | Wind |
|---|---|---|---|---|
| 2026 | 15°C | 9°C | dry | 20 km/h |
| 2023 | 21°C | 12°C | dry | 21 km/h |
| 2022 | 16°C | 6°C | 4 h | 18 km/h |
| 2021 | 18°C | 8°C | 2 h | 15 km/h |
| 2019 | 16°C | 8°C | dry | 30 km/h |
Daily weather for the race location (Open-Meteo archive). Wind is the day's peak.
Looking for an easier marathon or a tougher challenge? You can also compare Royal Parks Half Marathon against other half marathons to find the right race for your goals.
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