3-1-5 race series

About this race

The 3-1-5 race series is a half marathon in Lancaster, Lancashire, taking place on Sunday 20 December 2026. Entry details and pricing are available on the official event website. It's one of 27 half marathons in North West this season — find more below.

More half marathons in North West

• Riverside half marathon and 10k16 August 2026 · Lancaster · 1.1 miles away
• Williamson Park Half Marathon & 10KAugust 2026 · Lancaster · 1.5 miles away
• LMAC Salt Ayre Series 20261 November 2026 · Lancaster · 1.7 miles away
• Garstang Half Marathon 20266 September 2026 · Preston · 11.2 miles away

View all 27 half marathons in North West →

Other races in Lancaster

• LMAC Salt Ayre Series 2026Wednesday 15 July 2026 · Lancashire
• Williamson Park Half Marathon & 10KSunday 2 August 2026 · Lancashire
• Riverside half marathon and 10kSunday 16 August 2026 · Lancashire
• 3-1-5 race seriesSaturday 26 September 2026 · Lancashire
• LMAC Salt Ayre Series 2026Sunday 1 November 2026 · Lancashire