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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Relay
  • 42.2 km
  • Belfast
  • Event weekend starts
  • Open entry

Belfast City Marathon Relay

This race edition

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

Entry options

2027 edition

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

Modelled energy-cost change -0.1% versus flat · net elevation -22 m

View verified GPS mapOfficial event website & entry ↗
Data current as of

Decision summary

Belfast City Marathon Relay at a glance

Route ascent
177 m

Lower than 64% of comparable mapped races

Cut-off average pace
8:32/km

6:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
86/100

Historical race-date favourability, not a forecast

Evidence depth
11 verified facts

Stored GPS route

Quick answers

What runners ask first

Belfast City Marathon Relay route map

raceindex.org has a GPS course file for Belfast City Marathon Relay, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Belfast City Marathon Relay?

The Belfast City Marathon Relay route has 177 m of ascent, 198 m of descent and an estimated -0.1% grade-adjusted pace penalty versus a flat route.

Where does the Belfast City Marathon Relay route go?

The setting includes city and riverside.

Race character

Scenery

  • City
  • Riverside
  • Parkland
  • Waterfront

Atmosphere

  • Big City
  • Community

Entry, logistics and records

Records and field

Field size
over 15,000 participants annually

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
6 hours

How hilly is the Belfast City Marathon Relay?

88%
  • Descent 6%
  • Flat 88%
  • Climb 6%
Total ascent
177 m
Net elevation
−22 m
GAP factor
-0.1%
Longest climb
2,010 m at 2.2%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 10°CTypical temperature
  • 19 kphTypical wind
  • 3 mmTypical rainfall
  • 86Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Belfast City Marathon Relay flat?

Its normalised GAP factor is -0.1% slower than a flat course, with about 177 m of total ascent.

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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