Open
Date
Sun, 14 Mar 2027
Distance
20 Mile
Surface
Road
More details on race page
Event overview
The Granite Way 20 Mile is a scenic 20-mile trail race in Devon, set... View race details & entry
Race detail
Fission 20 2027 Entry, Date & Race Info
Hamfields, South West, UK
Entry statusClosed
Last checked: 15 April 2026
Current entry status
Entries for the 2027 Fission 20 are currently closed.
Quick summary
The Fission 20 is a 20-mile road race in Berkeley, Gloucestershire, and is a popular option for runners preparing for a spring marathon.
Date
Sunday, 14 March 2027
Location
Hamfields, South West
Distance
20 Mile
Surface
Road
PB-friendly
Race timing and entry details
Race date status: Not announced
Fission 20 does not yet have an officially announced race date.
Event overview
The Fission 20 is a 20-mile road race in Berkeley, Gloucestershire, and is a popular option for runners preparing for a spring marathon.
The course is known for being flat and fast, making it well suited to marathon-pace practice and longer training efforts in the final build-up to race day.
It is often used as a key benchmark race, giving runners a clear indication of fitness ahead of their target marathon.
Planning to run Fission 20? RaceScan shows live entry status, key race details and direct entry links — all in one place. 👉 Check availability and view race details on RaceScan.
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Travelling for Fission 20? View hotels near Hamfields, South West.
Race facts
Race
Fission 20
Date
Sunday, 14 March 2027
Location
Hamfields, South West, UK
Distance
20 Mile
Surface
Road
Date status
Not announced
Last checked
15 April 2026
Frequently asked questions
Is Fission 20 2027 entry open?
Entries for the 2027 Fission 20 are currently closed.
When is Fission 20?
Fission 20 takes place on Sunday, 14 March 2027.
What is the Fission 20 course like?
The Fission 20 is a 20-mile road race in Berkeley, Gloucestershire, and is a popular option for runners preparing for a spring marathon. The course is known for being flat and fast, making it well suited to marathon-pace practice and longer training efforts in the final build-up to race day.
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