Wye Valley Tunnel Run 2026 (Marathon, Half Marathon, 10km & Colourburst)

Wye Valley Tunnel Run 2026 is a distinctive running event near Chepstow featuring races that include the iconic Greenway and the Tidenham tunnel, with marathon, half marathon, 10km and colourburst options.

Wye Valley Tunnel Run 2026 takes place on Sunday, 19 July 2026 at Beachley Rd, Sedbury (near Chepstow). The event includes multiple race choices, including themed colourburst runs and longer distance options.

• Date: Sunday, 19 July 2026
• Location: Beachley Rd, Sedbury, Chepstow NP16 7AA, UK
• Start times:
  500m Colourburst: 9:00 AM
  2km Colourburst: 9:10 AM
  Tintern Station Marathon: 10:00 AM
  Tintern Station Half Marathon: 10:00 AM
  Valley View Half Marathon: 10:20 AM
  Valley View 10km: 10:45 AM
• Prices: £10 - £60

Ticket prices (as listed):

• 500m Colourburst: £10
• 2km Colourburst: £12
• Valley View 10km: £32
• Valley View Half Marathon: £46