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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Marathon
  • 42.2 km
  • Bath
  • Event weekend starts
  • Entry from £60
  • Past event

Two Tunnels Railway Races 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.

Modelled energy-cost change 2.0% versus flat · net elevation 2 m · true cost £190

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

Decision summary

Two Tunnels Railway Races Marathon at a glance

Route ascent
415 m

Lower than 39% of comparable mapped races

Entry fee
£60

Lower than 41% of comparable known fees

Typical conditions
62/100

Historical race-date favourability, not a forecast

Evidence depth
24 verified facts

Stored GPS route

Quick answers

What runners ask first

Two Tunnels Railway Races Marathon route map

raceindex.org has a GPS course file for Two Tunnels Railway Races 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 Two Tunnels Railway Races Marathon?

The Two Tunnels Railway Races Marathon route has 415 m of ascent, 413 m of descent and an estimated 2.0% grade-adjusted pace penalty versus a flat route.

Where does the Two Tunnels Railway Races Marathon route go?

Underfoot, expect a mixed course. The setting includes parkland and countryside.

What should runners know on race day for the Two Tunnels Railway Races Marathon?

Bag drop is available. 9.

Race character

Scenery

  • Parkland
  • Countryside
  • Riverside
  • City
  • Historic
  • Forest

Atmosphere

  • Scenic Tour
  • Community

Terrain

  • Mixed
  • Towpath
  • Trail
Elevation character
Gently Rolling
Technicality
Non Technical

Entry, logistics and records

Entry requirements

Entry status
Past event: The listed edition date has passed.
Minimum age
18+
Cut-off
3 hours to complete the first lap

Race day logistics

Aid stations
9
Bag drop
Yes
Post-race village
Brickfields Park with toilets, coffee and food vans and a children's playground

Access and course status

Nearest station
Oldfield Park (800m); Bath Spa (2 miles)
Park and ride
Yes

Course facts

Laps
2

How hilly is the Two Tunnels Railway Races Marathon?

7%72%11%
  • Steep descent 5%
  • Descent 7%
  • Flat 72%
  • Climb 11%
  • Steep climb 6%
Total ascent
415 m
Net elevation
+2 m
GAP factor
2.0%
Longest climb
1,920 m at 5.1%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What does it really cost to run?

Estimated cost to the start line from National Average
Entry fee£60
Travel (modelled)£40
Accommodation (modelled)£90
Estimated total£190
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?

  • 17°CTypical temperature
  • 22 kphTypical wind
  • 3 mmTypical rainfall
  • 62Favourability /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

Is the Two Tunnels Railway Races Marathon flat?

Its normalised GAP factor is 2.0% slower than a flat course, with about 415 m of total ascent.

How much does the Two Tunnels Railway Races Marathon cost?

The adult entry fee is £60, and the estimated true cost to the start line is about £190 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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