NOV1
Running•10K
Hertfordshire 10K
Old Knebworth, England, United Kingdom10 km
RunningHalf Marathon
Hertfordshire Half Marathon
1 November 2026
Old Knebworth, England, United Kingdom
Race details
Modality
Individual
Organizer
Hertfordshire Half Marathon
Distance
21.1 km
Elevation
+218 m
Participants
1,000
Start time
09:00
Terrain
Asphalt
Difficulty
Intermediate
Course profile
Hilly
Minimum age
17+
Certified
Yes
Event description
Experience a scenic half marathon starting and finishing at the iconic Knebworth House, taking runners through the beautiful closed-road country lanes of Hertfordshire. The course features a rolling profile with 218m of elevation gain, making it a noteworthy challenge for athletes seeking a picturesque and well-organized road race.
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Sport
Running
Distance
Half Marathon
Country
United Kingdom
Region
England