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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Southampton
  • Event weekend starts
  • Open entry

Southampton Marathon 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

2027 edition

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

Modelled energy-cost change 1.0% versus flat · net elevation 15 m

View verified GPS mapOfficial event website & entry ↗
Plan my trainingPlan my paceData current as of

Decision summary

Southampton Marathon Half Marathon at a glance

Route ascent
151 m

Lower than 49% of comparable mapped races

Cut-off average pace
17:04/km

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

Typical conditions
87/100

Historical race-date favourability, not a forecast

Evidence depth
25 verified facts

Stored GPS route

Quick answers

What runners ask first

Southampton Marathon Half Marathon route map

raceindex.org has a GPS course file for Southampton Marathon Half Marathon, 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 Southampton Marathon Half Marathon?

The Southampton Marathon Half Marathon route has 151 m of ascent, 136 m of descent and an estimated 1.0% grade-adjusted pace penalty versus a flat route.

Where does the Southampton Marathon Half Marathon route go?

The Southampton Marathon Half Marathon route starts at Dock Gate 8, City Cruise Terminal, Herbert Walker Avenue, Southampton and finishes at Guildhall Square, Southampton city centre. It passes St Mary's Stadium (Southampton FC), Southampton Docks waterfront and Guildhall Square.

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

The event uses closed-road arrangements. Expect on-course music. True.

Race character

Scenery

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

Atmosphere

  • Big City
  • Festival
  • Community

Entry, logistics and records

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

Race day logistics

Pacers
Yes
Closed roads
Yes
Race village
Yes
Post-race village
Yes
Medal
Yes
On-course music
Yes

Access and course status

Start
Dock Gate 8, City Cruise Terminal, Herbert Walker Avenue, Southampton
Finish
Guildhall Square, Southampton city centre
Nearest station
Southampton Central (South Western Railway)
Parking
Multiple car parks available; Westquay open 24 hours; most Council car parks from 06:00
Accessibility
Majority of route suitable for wheelchair access via footpaths; bone-conducting headphones may be permitted; standard headphones prohibited on shared-use courses
Measured course
Yes

Course facts

Landmarks
St Mary's Stadium (Southampton FC), Southampton Docks waterfront, Guildhall Square

How hilly is the Southampton Marathon Half Marathon?

9%77%12%
  • Steep descent 1%
  • Descent 9%
  • Flat 77%
  • Climb 12%
  • Steep climb 1%
Total ascent
151 m
Net elevation
+15 m
GAP factor
1.0%
Longest climb
1,430 m at 2.9%
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?

  • 12°CTypical temperature
  • 20 kphTypical wind
  • 2 mmTypical rainfall
  • 87Favourability /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 Southampton Marathon Half Marathon flat?

Its normalised GAP factor is 1.0% slower than a flat course, with about 151 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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