Bath Two Tunnels Railway Races – June 2026 (Half Marathon, 10km, 5km & Colourburst)

EventSun, Jun 7, 2026ChevronDown
Brickfields Park, Bath
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Bath Two Tunnels Railway Races – June 2026 (Half Marathon, 10km, 5km & Colourburst)
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About

Discover Bath's hidden railway tunnels with this unique event. Join other runners are you take on a 5k, 10k or half marathon through the former Somerset & Dorset Railway tunnels. Choose a start wave to suit you and your pace and get ready for a race like no other!
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'Return Ticket' 10km, Colourburst Run - 2km, Colourburst Run - 500m, and 2 more
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Calendar
Sun, Jun 7, 2026
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Bath, United Kingdom
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4.6
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Where and when

Location
Brickfields Park, 1A The Hollow, Twerton, Bath BA2 1LX, UK
Start times
Sunday, Jun 7, 2026
'Return Ticket' 10km: 8:00 AMColourburst Run - 2km: 9:20 AMColourburst Run - 500m: 9:20 AM'Return Ticket' Half Marathon: 10:00 AM5k: 10:30 AM

Event summary

Here are the distances available for Bath Two Tunnels Railway Races – June 2026 (Half Marathon, 10km, 5km & Colourburst)
'Return Ticket' 10km
Distance
10km
£32
'Return Ticket' Half Marathon
Distance
13.1mi
£46
Colourburst Run - 2km
Distance
2km
£12
Colourburst Run - 500m
Distance
0.5km
£10

Route information

Distance: Half Marathon Elevation: Flat Terrain: Paths Laps: 2
This lapped course will take you on two scenic loops of the course. You will head out along towpaths, through dark, well-lit tunnels and much more. Come to explore the best trails that Bath has to offer. 8km in the tunnels!
Distance: 10km Elevation: Flat Terrain: Tarmac Laps: 1
This 10k route is flat and fast with only a 2% gradient. This route is completely on tarmac throughout making it a perfect race to record a PB. Come to race fast along this route. 4km in the tunnels!
Distance: 5km Elevation: Flat Terrain: Tarmac Laps: 1
The 5k will run through the 408m long Devonshire Tunnel into Lyncombe Vale. There will be a turnaround point just before the entrance to the Combe Down Tunnel before runners retrace their steps to Brickfield's Park. This is an out and back course, perfect for a PB.
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What's included

  • Finisher's medal
  • Prizes for top finishers
  • Fresh fruit
  • Tasty treats
  • Timed results
  • Drink stations
  • First Aid
Train

How to get there

Brickfields Park, 1A The Hollow, Twerton, Bath BA2 1LX, UK
Get full directions
By Car
If you are driving to Bath you can park at the Odd Down Park & Ride (BA2 8PA) and catch the Two Tunnels bus to the race site (£4.50 return for adults and free for U16s).
By Train
Oldfield Park train station is approximately 800m from Brickfields.

Hotels and Accommodation

Relish Running Races has partnered with Let's Do This to bring you some of the best hotel rates close to the startline.
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Event day logistics

09:20 Colourburst 500m & 2k start
10:00 Half Marathon Wave 1 starts
10:10 Half Marathon Wave 2 starts
10:20 Half Marathon Wave 3 starts
10:30 5km Wave 1 starts
10:40 5km Wave 2 starts
10:50 10km Wave 1 starts
11:00 10km Wave 2 starts
11:10 10km Wave 3 starts
11:20 10km Wave 4 starts
11:30 10km Wave 5 starts
11:40 10km Wave 6 starts
11:50 10km Wave 7 starts
*Please note that these start times are provisional and subject to change. Final start times will be confirmed on the Wednesday of the race week.
You will be informed of your official wave start time on the Wednesday before the date of the event.
In the event of cancellation all entries will be rolled over to the same event the following year or a choice of alternative races will be made available within 12 months of the original race date if you are not able to make the new date.
Age Requirements
  • 5k: Participants must be 12 years of age or older
  • 10k: Participants must be 16 years of age or older
  • Half marathon: Participants must be 17 years of age or older
Prizes
The race prize categories are as follows:
  • Top 3 male and top 3 female
  • First U20 male and female
  • First 20-39 male and female
  • First 40-49 male and female
  • First 50-59 male and female
  • First 60-69 male and female
  • First 70+ male and female
The final number of prizes awarded is determined by the number of finishers for each gender in a given race distance. If there are more than 100 finishers then the full range of awards are made as shown above. If there are between 50-100 finishers then the top 3 finishers overall will be awarded a prize. If there are less than 50 then only the winner will be awarded a prize. We do not have any winner's prizes for any of the children's events as we would like to keep this participation focused.
Drink Stations
Please note that there are no drink stations on the 5k course. The 10k course will have one aid station, and there will be 3-5 checkpoints on the half marathon route.
These stations will offer water, electrolytes and a range of snacks.

FAQs

Where can I find race photos for the Bath Two Tunnels Railway Races – June?
Race photos will be available on Relish Runnings Facebook page, make sure to head over there after the race.
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If I am a top finisher how will I know if I have a prize for the Bath Two Tunnels Railway Races – June?
There is no on the day prize giving because of the multi wave, multi start time format of the events. Prize winners will be contacted mid week via email.
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Is there first aid at the Bath Two Tunnels Railway Races – June?
Yes, there will be onsite first aid throughout the event.
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Reviews

4.6
53 reviews

33 Broadwick St, London W1F 0DQ

Reg number 10083277

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