Explore by location
12mi events around the world
Build your racing calendar, close to home or further afield. Compare 3 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Woodstock 12 & 4, Dursley Dozen and Phoenix Surrey P12 — The Longest Attended Day.
Start with a continent, including Europe and North America.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
4 listed events · 3 with upcoming dates
Upcoming 12mi events
3 matching events, earliest date first. Entry availability is shown separately.
Woodstock 12 & 4
ENGWoodstock, Oxfordshire
Woodstock 12 — Blenheim Park, Woodstock. Listed on runABC (Midlands).
Date listed · latest organiser confirmation not yet checked.
Dursley Dozen
ENGDursley, Gloucestershire
Running event in Dursley, Gloucestershire.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Phoenix Surrey P12 — The Longest Attended Day
ENGDorking, Surrey
Phoenix Surrey P12 — The Longest Attended Day in Dorking.
Date listed · latest organiser confirmation not yet checked.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
Sonoma Fall Classic — Lake Sonoma
USAGeyserville, California
The Lake Sonoma trail programme now held in autumn, with long ultras and shorter routes around the lake and surrounding hills.
Next date not listed
Race guide and recorded editions →Browse continents
Choosing a race away from home
The unfiltered upcoming calendar includes events in Dorking (1), Dursley, Gloucestershire (1), Woodstock (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 12mi events worldwide
What should I check before a running event in World?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which 12mi events are coming up in the world?
Woodstock 12 & 4 is listed for 8 November 2026. Dursley Dozen is listed for 21 February 2027 (status to be confirmed). Phoenix Surrey P12 — The Longest Attended Day is listed for 19 June 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for the world?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.