ATW Watford Half Marathon
Watford, United Kingdom · Expected Sunday 7 February 2027Date to be confirmed
Difficulty Calculator
Adjusted Time
1:44:19
Time difference: -0.7 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 ATW Watford Half Marathon?
On our difficulty model, ATW Watford Half Marathon plays about 1 minute faster than an average road half marathon for a 1:30 runner. It ranks #373 hardest of 634 half marathons we analyse, and #74 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 ATW Watford 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 ATW Watford Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:29:16 | −00:44 |
| 1:45:00 | 1:44:19 | −00:41 |
| 2:00:00 | 1:59:23 | −00:37 |
| 2:15:00 | 2:14:28 | −00:32 |
| 2:30:00 | 2:29:32 | −00:28 |
| 2:45:00 | 2:44:37 | −00:23 |
| 3:00:00 | 2:59:43 | −00:17 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
ATW Watford Half Marathon 2027 Course Analysis
ATW Watford Half Marathon is a half marathon held in Watford, United Kingdom. The next edition is expected on Sunday 7 February 2027, following the pattern of previous editions (the 1st Sunday of February). The organisers have not confirmed it yet. The course is run on road surface with 136m of total climbing, with its high point near 125m above sea level. For registration and full race details, visit the official ATW Watford Half Marathon website.
Climbing
At 136m of total climbing, it is hillier than 62% of the 634 half marathons we rate.
Race-day weather
Over the last 4 years this February date has averaged a high of 6°C and a low of 2°C. That is cooler than 98% of the half marathons we track.
On 7 February over the last 4 years, the high ranged from 3°C (2021) to 11°C (2026), so pack for either. It rained on 4 of those 4 days.
| 7 February | High | Low | Rain | Wind |
|---|---|---|---|---|
| 2026 | 11°C | 6°C | 10 h | 22 km/h |
| 2025 | 3°C | 1°C | 14 h | 24 km/h |
| 2024 | 7°C | 3°C | 5 h | 17 km/h |
| 2021 | 3°C | -1°C | 11 h | 34 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 ATW Watford Half Marathon against other half marathons to find the right race for your goals.
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