Course
Marathon42.2 km
Half Marathon21.1 km
10K Run10 km
Kids (11-15 yrs)2.5 km
Kids (6-10 yrs)1.5 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Altra Kielder Marathon and festival events take place in the breathtaking landscapes of the United Kingdom's Kielder Water & Forest Park. Runners can challenge themselves on a scenic course through the region's forests and around the stunning Kielder Reservoir, making this a must-do event for nature-loving endurance athletes.
Your next race, seen from above.
Save Kielder Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Kielder Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.