The Big Half
Road Running covering 21.1 km in London (England, United Kingdom)
The Big Half is an endurance sporting event in London, England, GB focused on Road Running. Key features include City Run, Charity Run, Kids & Youth Races, Relay.
The race program comprises 2 competitions, including Half Marathon (Relay) (21.1 km, +95 m D+), and Half Marathon (21.1 km, +95 m D+). The exact date for the next edition is currently open and will be announced by the organizer. Official race regulations, course details, and registration information are provided on the organizer's website (thebighalf.co.uk).

Event characteristics
Races & distances (2)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Half Marathon (Relay) | Road Running | 21.1 km | +95 m | 2 m - 42 m | Loop course | Route & profile |
| Half Marathon | Road Running | 21.1 km | +95 m | 5 m - 45 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 2 m to 42 m above sea level (+95 m D+, -95 m D-)
Elevation profile & course telemetry
Altitude from 5 m to 45 m above sea level (+95 m D+, -95 m D-)
Frequently asked questions (FAQ)
When and where does The Big Half take place?
The Big Half takes place in London, England, GB (start area at coordinates 51.5093° N, 0.0622° W). The exact date for the next edition is currently open and will be announced by the organizer.
What races and distances are offered at The Big Half?
The race program comprises 2 competitions, including Half Marathon (Relay) (21.1 km, +95 m D+), and Half Marathon (21.1 km, +95 m D+). The competitions belong to Road Running.
What is the course layout and elevation profile for The Big Half?
The main competition (Half Marathon (Relay) over 21.1 km) is designed as a loop course featuring +95 m of elevation gain and -95 m of elevation loss, ranging between 2 m and 42 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for The Big Half?
Official race regulations, course details, and registration information are provided on the organizer's website (thebighalf.co.uk).