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

Bath Two Tunnels Railway Races – June 2026 is a distinctive running event in Bath featuring a half marathon, 10km, 5km and colourburst options through historic railway tunnels.

Bath Two Tunnels Railway Races – June 2026 offers a unique opportunity to run through Bath’s former railway tunnels on a choice of distances. Participants can select a start wave to match pace and enjoy a memorable route with a finishers’ medal.

Date: Sunday, 7 June 2026
Location: Brickfields Park, 1A The Hollow, Twerton, Bath BA2 1LX, UK

Start times (Sunday, 7 June 2026):

• 'Return Ticket' 10km: 8:00 AM
• Colourburst Run - 2km: 9:20 AM
• Colourburst Run - 500m: 9:20 AM
• 'Return Ticket' Half Marathon: 10:00 AM
• 5k: 10:30 AM

Entry prices: £10 - £46

• Half Marathon: £46
• 10km: £32
• 5k: price listed within event range
• Colourburst 2km: £12
• Colourburst 500m: £10

Key details:

• Multiple distances including family-friendly colourburst options
• Iconic tunnel sections on a rare route
• Wave-based start structure