CamLynn Marathon and Ultra

NOV
7
2026
A flat Fens Way event from Cambridge toward Ely and Kings Lynn offering a marathon, 50 mile ultra, relays and a 100 mile option, with GPS tracking, generous cutoffs and on-course support.
Sat 7 Nov 2026
100 miles 50 miles Marathon

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CamLynn Marathon and Ultra

The CamLynn Marathon and Ultra is a road and trail event that follows the Fens Way, running from Cambridge toward Ely and Kings Lynn. The route is described as flat and fast and uses local scout halls for start and intermediate points.

Options on the course include:

  • Marathon: Cambridge to 1st Ely Scouts Hut.
  • 50 Mile Ultra: Cambridge to Kings Lynn Lynnsport.
  • 50 Mile Pair Relay: 26 miles + 24 miles.
  • 50 Mile Trio Relay: 10 miles + 16 miles + 24 miles.
  • 100 Mile Ultra.

The event provides full GPS tracking, maps and GPX files, race bibs, first aid cover, generous aid stations and a bag drop. Participants may send their own drink to the final aid station. Finishers receive a medal and a country flag; free photos are provided and there is a communal finish atmosphere.

Age minimums apply by course: marathon 18+, 50 mile 21+, relays 18+, 100 mile 23+. Cutoffs are published for each distance, including a 6.5 hour marathon cutoff, a 14 hour 50 mile cutoff and a 32 hour 100 mile cutoff. The organiser offers optional extras such as an event T shirt and coach transfers with details to be confirmed. Entry periods and listed entry fees are published for each distance. Visit the organization's website for the most recent information.

100 mi
100 Mile Ultra
50 mi
50 Mile Pair Relay
50 mi
50 Mile Trio Relay
50 mi
50 Mile Ultra
Marathon
Marathon
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