More details about this distance
21K. This is a running event.
- Who it's for
- For runners comfortable with longer efforts.
- Editions
- 10+
The Half Marathon at 21K in Dehradun, Uttarakhand on 25 Oct '26. This is a running event. For runners comfortable with longer efforts. Check the organiser website for registration. 10+. Planning for 21K? Save this race, review the course and cut-off information below, and register before entries close. Runners often book Dehradun Half Marathon 2026 as a multi-distance weekend—confirm which distance you are entering before checkout.
21K is part of Dehradun Half Marathon 2026.
Organised by Thrill Zone.
Explore similar running races in Dehradun, Uttarakhand on Next Lap.
Race history
- Total editions
- 10+
Weather
Common questions
How do I register for 21K?
Check the organiser website for registration. Use the registration link on this page when available.
What should I confirm before checkout?
This race is part of Dehradun Half Marathon 2026. Confirm which distance you are entering before checkout.
How do I prepare for 21K?
Use the Get ready and Training tabs on this page for nutrition, weather, and build-up race ideas.
Where can I find official details?
Use the organiser website link on this page for the latest official info.
Part of Dehradun Half Marathon 2026
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