CamLynn Marathon and Ultra

NOV
7
2026
Flat mainly off road event from Cambridge to Kings Lynn offering a marathon, 50 mile ultra, relays and a 100 mile option with GPS tracking and aid stations.
Sat 7 Nov 2026
100 miles 50 miles 26 miles

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CamLynn Marathon and Ultra

CamLynn is a flat and fast route along the Fens Way from Cambridge to Ely and Kings Lynn. The event offers multiple race distances and relay formats, with GPS tracking, maps and GPX files, race bibs, first aid cover and generous aid stations. Participants receive photos, a finish medal and their country flag at the finish. Bag drop and an option to send a personal drink to the final aid station are available. Optional extras include an event T shirt and coach transfer to the start.

Available courses:

  • Marathon Cambridge to Ely, finish at 1st Ely Scouts Hut
  • 50 Mile Ultra Cambridge to Kings Lynn, track finish at Lynnsport
  • 50 Mile Pair Relay 26 miles + 24 miles
  • 50 Mile Trio Relay 10 miles + 16 miles + 24 miles
  • 100 Mile Ultra mixed terrain, longer cut off

Cutoff times and age limits are set by distance: marathon has a 6.5 hour cutoff, the 50 mile has a 14 hour cutoff and the 100 mile has a 32 hour cutoff. Minimum ages vary by event. The organiser is Grit Pursuits and local scout groups and sports venues support the event.

The event description emphasises inclusivity and support and notes that the route is suitable for brisk walkers, charity runners, first time ultra entrants and experienced athletes. Visit the organization's website for the most recent information.

100 mi
100 Mile Ultra
50 mi
50 Mile Pair Relay: 26 Miles + 24 Miles
50 mi
50 Mile Trio Relay: 10 Miles + 16 Miles + 24 Miles
50 mi
50 Mile Ultra
26 mi
Marathon

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