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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Cardiff
  • Event weekend starts
  • Entry from £58
  • Sold out

Cardiff Half Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

true cost £188

Official event website ↗
Plan my trainingPlan my paceData current as of

Decision summary

Cardiff Half Marathon at a glance

Cut-off average pace
12:48/km

4:30:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Entry fee
£58

Lower than 9% of comparable known fees

Typical conditions
76/100

Historical race-date favourability, not a forecast

Evidence depth
48 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

Cardiff Half Marathon has known course details for its half marathon race. The summary below keeps the focus on what is confirmed for the course.

Official distance
21.1 km
Terrain
Road
Scenery
City, Parkland, Waterfront, Riverside, Lakeside, Historic, Coastal

Quick answers

What runners ask first

Where can I find the Cardiff Half Marathon route map?

Use the official course links on this page for the organiser route page, map PDF or route download.

Official course links

How hilly is the Cardiff Half Marathon?

The Cardiff Half Marathon is described as flat. The course listing puts the climb at 61 m. The course notes also call it predominantly flat course.

Where does the Cardiff Half Marathon route go?

The Cardiff Half Marathon route starts at Castle Street, outside Cardiff Castle and finishes at Cardiff Civic Centre (grandstand finish). Underfoot, expect road. It passes Cardiff Castle, Principality Stadium, Cardiff City Stadium, Penarth Marina and Cardiff Barrage. Predominantly flat course.

What should runners know on race day for the Cardiff Half Marathon?

Bag drop is available. The event uses closed-road arrangements. Wave starts are used. Expect on-course music. 90. 105. 120. 135. 150.

Race character

Scenery

  • City
  • Parkland
  • Waterfront
  • Riverside
  • Lakeside
  • Historic
  • Coastal

Atmosphere

  • Big City
  • Community
  • Charity

Terrain

  • Road
Elevation character
Flat
Technicality
Non Technical
Source-stated ascent
61 m
Net elevation
4 m

Entry, logistics and records

Records and field

Men's course record
59:30 (Leonard Langat)
Women's course record
1:05:52 (Edith Chelimo)
Field cap
27,500

Entry requirements

Entry status
Sold out: Sourced entry status says this edition is sold out.
Cut-off
4 hours 30 minutes
Ballot
No
Sold out
Yes
Qualification status
None
Fee tiers
UK ballot, International ballot

Race day logistics

Wave starts
Yes
Pacers
90, 105, 120, 135, 150, 165, 180, 210, 240
Bag drop
Yes
Closed roads
Yes
Expo / packet pickup
Yes
Race village
Yes
Post-race village
Yes
Medal
Yes
Finisher tee
Yes
On-course music
Yes

Access and course status

Start
Castle Street, outside Cardiff Castle
Finish
Cardiff Civic Centre (grandstand finish)
Spectator access
Yes

Course facts

Course type
Road
Surface
Road
Laps
1
Landmarks
Cardiff Castle, Principality Stadium, Cardiff City Stadium, Penarth Marina, Cardiff Barrage, Cardiff Bay, Norwegian Church, Wales Millennium Centre, Roath Park lake, Cardiff Civic Centre
Notable features
  • Predominantly flat course
  • Principality Rainbow Roundabout entertainment feature passed twice between miles 10 and 12
  • grandstand finish in civic centre

What does it really cost to run?

Estimated cost to the start line from National Average
Entry fee£58
Travel (modelled)£40
Accommodation (modelled)£90
Estimated total£188
Entry fee is a sourced fact. Travel and accommodation are modelled estimates for a typical runner from this region, not quoted prices.

What are typical race-day conditions?

  • 13°CTypical temperature
  • 23 kphTypical wind
  • 3 mmTypical rainfall
  • 76Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

How much does the Cardiff Half Marathon cost?

The adult entry fee is £58, and the estimated true cost to the start line is about £188 including modelled travel and accommodation.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →

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