Sun, May 2 · 2027BelfastSince 1982

Belfast City Marathon

A loop through the heart of Belfast on a cool May morning, with rolling terrain and a sea breeze off Belfast Lough keeping things honest from start to finish.

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BELFAST CITY · GB
Belfast City
SUN, MAY 2
2027
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Race Overview

EST. 1982

Belfast runs a proper loop through the city, and that shape matters more than people expect. You start and finish close to the same spot, so there's no one-way momentum carrying you along. The course rolls the whole way, nothing dramatic, but the small climbs stack up. Come through the first half feeling controlled and you'll be in good shape. Go chasing a fast first half and you'll feel it after mile 18.

The weather in early May here is genuinely unpredictable. It can be crisp and dry, or it can be wet and breezy off Belfast Lough. Either way, dress for cool and bring a throwaway layer to the start. The field is manageable in size, which means clear roads and room to run your own race from early on. Entry is open and first-come first-served, and it does sell out, so get in early if you're planning ahead. It's a Boston qualifier, and the cool conditions suit those chasing time. Just don't treat the net elevation as a free pass. Be patient with the hills.

Field size
~3.1k
3,075 finishers
BQ rate
Boston qualifier
Time limit
6:00
Tight cutoff
Entry
Open
First-come registration
Course records
Men
2:13:37
Tilahun Nigussie
2025
Women
2:35:03
Beatrice Jepkemei
2024

The Course

729 ft total gain
Total ascent
729 ft
Total descent
799 ft
Net elevation
70 ft
Highest point
205 ft
Lowest point
6 ft
Course shape
Loop
Start and finish in one place

The Belfast City Marathon is a loop course with modest but consistent undulation. Total elevation gain sits around 730 feet, with the course finishing slightly net downhill overall. The highest point is barely above 200 feet, so no single climb dominates, but the rolling character means you rarely get a long flat stretch to settle into a rhythm. Expect small rises scattered through the middle miles that can chip away at pace if you go out too hard. The net descent is negligible, so don't bank on the course giving anything back late. Wind off Belfast Lough is a consistent factor and can shift direction on a loop, meaning you may face a headwind in the closing miles. Pace conservatively early.

DIFFICULTYROLLINGPR-FRIENDLYMODERATE

Race-Day Weather

10-year median
Low
40°F
High
55°F
30°MARATHON-IDEAL 4560°80°
What to expect

Early May in Belfast means cool and often damp conditions. You'll likely start in the low 40s, which feels sharp at the gun but workable once you're moving. By the later miles it may only creep into the mid-50s, so you won't overheat, but don't underestimate a stiff breeze off the city. Pack a throwaway layer for the start, and watch for showers. This is generally a good window for racing if you dress right.

Entry

OPEN

Open entry, first-come first-served basis. Charity places available through partner charities. Race typically sells out; early entry recommended.

Register on race site

Logistics

For runners travelling in
Closest airport
EDI
137 mi
from the start
216 min transferLonger haul
What to expect

Most travelling runners fly into EDI, about 137 miles from the start, a longer haul by rideshare or transit, roughly a 216-minute trip. Stay close to the start in Belfast so you're not fighting race-morning closures and transit on tired legs. Arrive a day early to clear the expo and bib pickup, and build in buffer for gear-check and corral entry.

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