Same event — which distance suits you?

Distances compared at Norfolk Festival of Running (King's Lynn)
DistanceAscentClimb densityDescentNet elevationMax absolute gradeGAP factorFee
Ultramarathon627 m12.5 m/km628 m-1 m9.8%1.6%£38
Marathon558 m13.2 m/km558 m-0 m9.8%1.6%£38
Half Marathon278 m13.2 m/km279 m-1 m9.8%1.5%£36
10K139 m13.9 m/km139 m-1 m9.8%1.5%£29
5K69 m13.8 m/km70 m-1 m9.8%1.5%£29

Ultramarathon

Ascent
627 m
Climb density
12.5 m/km
Descent
628 m
Net elevation
-1 m
Max absolute grade
9.8%
GAP factor
1.6%
Fee
£38

Marathon

Ascent
558 m
Climb density
13.2 m/km
Descent
558 m
Net elevation
-0 m
Max absolute grade
9.8%
GAP factor
1.6%
Fee
£38

Half Marathon

Ascent
278 m
Climb density
13.2 m/km
Descent
279 m
Net elevation
-1 m
Max absolute grade
9.8%
GAP factor
1.5%
Fee
£36

10K

Ascent
139 m
Climb density
13.9 m/km
Descent
139 m
Net elevation
-1 m
Max absolute grade
9.8%
GAP factor
1.5%
Fee
£29

5K

Ascent
69 m
Climb density
13.8 m/km
Descent
70 m
Net elevation
-1 m
Max absolute grade
9.8%
GAP factor
1.5%
Fee
£29

GAP is modelled energy-cost change versus flat, not a time penalty. Unavailable cells mean no sourced value is available yet. Click a distance for its full page.

Same-event questions

What distances does Norfolk Festival of Running (King's Lynn) offer?

Norfolk Festival of Running (King's Lynn) offers Ultramarathon, Marathon, Half Marathon, 10K, 5K, all run from the same event.

Typical conditions on race weekend

  • 18°CTypical temperature
  • 21 kphTypical wind
  • 2 mmTypical rainfall
  • 62Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

Explore each distance

Source-backed sections

available route profile, entry fees, cost estimates, race-day conditions, and source facts are shown on this event page. Sections appear only when their source-backed data is available.