Date
TBC
Westonbirt Arboretum Summer Saturday
Tetbury, GloucestershireENG
Westonbirt, The National Arboretum
10K / 1mi / 5K· Trail
Westonbirt Arboretum Summer Saturday — forest-path races near Tetbury.
EventsFind this location on a map
ENGRunningTrail10K · 10 km / 6.2 mi1mi · 1.6 km / 1.0 mi5K · 5 km / 3.1 miHalf · 21.1 km / 13.1 mi
Westonbirt Arboretum Sunday Half Marathon, 10K & 5K
Tetbury, Gloucestershire, Westonbirt, The National Arboretum · ENG
Next race day
Sun, 5 Sept 2027
4 distances · see start times below
About Westonbirt Arboretum Sunday Half Marathon, 10K & 5K
Westonbirt Arboretum Sunday Half Marathon, 10K & 5K is a running event in Tetbury, Gloucestershire, Westonbirt, The National Arboretum, England. Recorded disciplines include 10K, 1mi, 5K, half marathon. The listed surface is trail. The listed organiser is Relish Running Races. The next listed date is 5 September 2027. Check the organiser's information for entry and race-day arrangements. The ATHRECS archive includes editions from 2026. This describes the editions recorded here, not the event's founding date or complete history.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Check race website
Half · 21.1 km / 13.1 mi
Sun, 5 Sept 2027
Start time not yet confirmed
Entries open
One-mile option is a fun run. Date confirmed by the 2027 entry links and registration section.
Edition source - Check race website
10K · 10 km / 6.2 mi
Sun, 5 Sept 2027
Start time not yet confirmed
Entries open
One-mile option is a fun run. Date confirmed by the 2027 entry links and registration section.
Edition source - Check race website
5K · 5 km / 3.1 mi
Sun, 5 Sept 2027
Start time not yet confirmed
Entries open
One-mile option is a fun run. Date confirmed by the 2027 entry links and registration section.
Edition source - Check race website
1mi · 1.6 km / 1.0 mi
Sun, 5 Sept 2027
Start time not yet confirmed
Entries open
One-mile option is a fun run. Date confirmed by the 2027 entry links and registration section.
Edition source
Location & race day
Listed venue / area
Westonbirt, The National Arboretum, Tetbury, Gloucestershire, GL8 8QSENG
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Wave-start races on predominantly solid stone paths through Westonbirt Arboretum, organised by Relish Running Races with free all-day arboretum access for advance-entry runners.
- Surface:
- Trail
- Organiser:
- Relish Running Races
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Sun, 5 Sept 2027
No confirmed entry route is listed yet.
Check the organiser’s page for the latest ballot, waiting-list or entry information.
Race websiteThird-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
No verified results links have been added yet.
Past races
10K · 10 km / 6.2 miFinished
Sun, 6 Sept 202608:41 BST
The 10K starts in four provisional waves from 08:41 to 09:00.
More running nearby
Date
TBC
1 past editions
Race detailsFri
16
Oct
2026
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Fri
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Distance TBC· Trail
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Fri
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Fri
16
Oct
2026
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Kent, South of EnglandENG
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Marathon / Ultra· Trail
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Fri
16
Oct
2026
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Dorset, South of EnglandENG
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Ultra· Trail
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Fri
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Oct
2026
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Derbyshire, North of EnglandENG
Whaley, Goyt Valley
Ultra· Trail
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