Bath, United Kingdom · Sunday, October 11, 2026

Fixed Distance 50K

Bath & Bristol Railway 50k

10 days to go
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

Register with organiserRegister ↗ Add to calendar
51.3751° N, 2.3617° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 8.5 hours 10:12 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 77% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Typical conditions, October

Daytime high 15°C
Night low 8°C
Rainfall Mostly dry
Daylight 11 h 03 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 83 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

  • Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 50 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 50 km, without the bounce.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5
All gear guides →

Overview

The Bath & Bristol Railway 50k is a fixed-distance trail race in Bath, United Kingdom, organised by Relish Running. It offers a single 50-kilometer course for an entry fee of £65.

With a time limit of 8.5 hours, runners need to maintain a pace faster than 10.2 minutes per kilometer to finish. This cut-off is tighter than 75% of 1008 comparable 50k races, leaving less margin for error than most races at this distance. The course is almost entirely tarmac, with only a small section of grass at the start and finish.

Similar races

Other 50K trail ultras, closest in distance first.