Experience the unique blend of historical intrigue and athletic endeavor at Bath's upcoming Somerset & Dorset Railway Trail Run. This one-of-a-kind race takes runners through the city’s lesser-known railway tunnels, offering three distinct routes: 5 kilometers for those seeking a shorter adventure, a more comprehensive 10-kilometer trek to fully explore these hidden pathways, or an exhilarating half marathon distance that thoroughly immerses participants in this underground world. As you prepare for your journey into the heart of Bath's industrial history, choose from several start times tailored to accommodate different pacing strategies and preferences. The event begins at 9:00 AM with carefully orchestrated waves ensuring a smooth progression through potentially narrow sections without undue congestion. Each runner is issued a unique bib number that doubles as an identifier for your personal expedition within these enigmatic tunnels. The race course, illuminated along its entirety to ensure safe navigation despite potential feelings of claustrophobia from less experienced runners, offers clear markings and well-lit pathways throughout the route’s flat but engaging terrain. The narrow corridors wind through sections once bustling with railway activity—a silent testament now as tracks lie dormant beneath your feet. The atmosphere within these tunnels is one steeped in history; rusting rails tell tales of years gone by while walls bear evidence of graffiti from decades past, creating an eerie yet captivating setting that brings the rich heritage of Bath's railways vividly to life. Shafts of sunlight piercing through ventilation holes highlight both the beauty and mystery inherent in this underground world. As runners complete their chosen distance and emerge back into daylight at the finish line, they not only achieve personal milestones but also celebrate a journey few have been fortunate enough to undertake. Whether your goal is pushing past previous performance records or simply reveling in the unique surroundings that encapsulate both physical challenge and cultural exploration, this event promises an unforgettable memory unlike any other running experience. Do not let this rare opportunity pass you by; sign up now for Bath’s Somerset & Dorset Railway Trail Run before it sells out. Join a community of runners diving headfirst into history to emerge victorious after navigating these hidden railway tunnels in what will undoubtedly be one of the most memorable races on your calendar. Join us as we bring this slice of industrial archaeology back to life underfoot, creating an experience that bridges physical challenge with historical immersion—something truly special awaits you beneath Bath’s city streets.
Races Offered
50k
Aug 16, 2026
straighten
Distance —
50K
terrain
Type —
Running
timer
07:00
sell
£65.00
2k Fun Run
Aug 16, 2026
straighten
Distance —
2K
terrain
Type —
Running
timer
08:15
sell
£12.00
500m Colourburst Run
Aug 16, 2026
straighten
Distance —
0.5K
terrain
Type —
Running
timer
08:15
sell
£10.00
Marathon
Aug 16, 2026
straighten
Distance —
42.2K
terrain
Type —
Running
timer
09:00
sell
£60.00
5km
Aug 16, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
09:45
sell
£26.00
Half Marathon
Aug 16, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
09:45
sell
£46.00
10km
Aug 16, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
10:00
sell
£32.00
Weather History
These values represent the 3-year monthly averages for August in Bath.
thermostatTemperature
12.9° / 20.8°
wb_sunnyFeels like
11.1° / 18.4°
light_mode
Avg sunshine hours
9h 53m
water_drop
Avg rainfall
2.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
14.9 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
77.1%
wb_twilight
Sunrise
05:57
nightlight
Sunset
20:28
About Bath
Learn more about the host city, Bath.
Bath is a historic Roman and Georgian spa city. It is famous for its hot springs, Roman period baths, Medieval heritage and stately Georgian architecture. Bath has been double UNESCO-listed as a World Heritage Site, both in its own right and as one of 11 "Great Spa Towns of Europe". Set in the rolling Somerset countryside on the southern edge of the Cotswolds, Bath offers a diverse range of attractions for its 4.4 million visitors each year: restaurants, theatres, cinemas, pubs and nightclubs, along with interesting museums, and a wide range of guided tours. It is also a university city.