Norfolk Festival of Running (King's Lynn) 5K or Norfolk Festival of Running (King's Lynn) 10K — which comes out ahead?

Norfolk Festival of Running (King's Lynn) 5K has the stronger available profile on flat grade share and course flatness.

Route comparison snapshot

Norfolk Festival of Running (King's Lynn) 5K

Mapped route
Held
Elevation profile
Held
course flatness
1.5% Favoured
flat grade share
46.2% Favoured
lower ascent
69 m
climbing density
13.8 m/km
net elevation
-1 m
maximum grade
9.8%

Norfolk Festival of Running (King's Lynn) 10K

Mapped route
Held
Elevation profile
Held
course flatness
1.5%
flat grade share
45.5%
lower ascent
139 m
climbing density
13.9 m/km
net elevation
-1 m
maximum grade
9.8%
Head-to-head comparison
MetricNorfolk Festival of Running (King's Lynn) 5KNorfolk Festival of Running (King's Lynn) 10K
Flat grade share46.2%45.5%
GAP factor (% slower than flat)1.5%1.5%
Uphill share26.8%27.3%
Steep-up share6.1%6.0%
Downhill share27.0%27.3%
Total ascent (m)69 m139 m
Climbing density (m/km)13.8 m/km13.9 m/km
Longest climb length (m)130 m140 m
Longest climb gain (m)9 m9 m
Longest climb average grade6.7%6.3%
Total descent (m)70 m139 m
Net elevation (m)-1 m-1 m
Max absolute grade9.8%9.8%
Start elevation (m)18 m18 m
Finish elevation (m)18 m17 m
Value85/10085/100
Scenic score65/10065/100
Conditions61/10061/100
Entry fee (GBP)£29£29
Lowest modelled true cost (GBP)£159£159

Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.

Same-distance comparisons are most meaningful; cross-distance metrics are contextual.

Race facts that change the decision

Race facts comparison
FactNorfolk Festival of Running (King's Lynn) 5KNorfolk Festival of Running (King's Lynn) 10K
Schedule

Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).

LocationKing's Lynn, East Of EnglandKing's Lynn, East Of England
Actual distance5 km10 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLapsLaps
SurfaceTrail course over sand, gravel and grassTrail course over sand, gravel and grass
TerrainTrailTrail
SceneryParkland, Countryside, Lakeside, ForestParkland, Countryside, Lakeside, Forest
AtmosphereFestival, CommunityFestival, Community
Total ascent69 m139 m
Climbing density13.8 m/km13.9 m/km
Total descent70 m139 m
Net elevation-1 m-1 m
Max absolute grade9.8%9.8%
Flat grade share46.2%45.5%
GAP factor1.5%1.5%
Entry modelOpenOpen
Entry fee£29£29
Lowest modelled true cost£159£159
Cost model originNational AverageNational Average

Schedule

Norfolk Festival of Running (King's Lynn) 5K

Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).

Norfolk Festival of Running (King's Lynn) 10K

Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).

Location

Norfolk Festival of Running (King's Lynn) 5K
King's Lynn, East Of England
Norfolk Festival of Running (King's Lynn) 10K
King's Lynn, East Of England

Actual distance

Norfolk Festival of Running (King's Lynn) 5K
5 km
Norfolk Festival of Running (King's Lynn) 10K
10 km

raceindex.org mapped route held

Norfolk Festival of Running (King's Lynn) 5K
Held
Norfolk Festival of Running (King's Lynn) 10K
Held

raceindex.org elevation profile held

Norfolk Festival of Running (King's Lynn) 5K
Held
Norfolk Festival of Running (King's Lynn) 10K
Held

Course type

Norfolk Festival of Running (King's Lynn) 5K
Laps
Norfolk Festival of Running (King's Lynn) 10K
Laps

Surface

Norfolk Festival of Running (King's Lynn) 5K
Trail course over sand, gravel and grass
Norfolk Festival of Running (King's Lynn) 10K
Trail course over sand, gravel and grass

Terrain

Norfolk Festival of Running (King's Lynn) 5K
Trail
Norfolk Festival of Running (King's Lynn) 10K
Trail

Scenery

Norfolk Festival of Running (King's Lynn) 5K
Parkland, Countryside, Lakeside, Forest
Norfolk Festival of Running (King's Lynn) 10K
Parkland, Countryside, Lakeside, Forest

Atmosphere

Norfolk Festival of Running (King's Lynn) 5K
Festival, Community
Norfolk Festival of Running (King's Lynn) 10K
Festival, Community

Total ascent

Norfolk Festival of Running (King's Lynn) 5K
69 m
Norfolk Festival of Running (King's Lynn) 10K
139 m

Climbing density

Norfolk Festival of Running (King's Lynn) 5K
13.8 m/km
Norfolk Festival of Running (King's Lynn) 10K
13.9 m/km

Total descent

Norfolk Festival of Running (King's Lynn) 5K
70 m
Norfolk Festival of Running (King's Lynn) 10K
139 m

Net elevation

Norfolk Festival of Running (King's Lynn) 5K
-1 m
Norfolk Festival of Running (King's Lynn) 10K
-1 m

Max absolute grade

Norfolk Festival of Running (King's Lynn) 5K
9.8%
Norfolk Festival of Running (King's Lynn) 10K
9.8%

Flat grade share

Norfolk Festival of Running (King's Lynn) 5K
46.2%
Norfolk Festival of Running (King's Lynn) 10K
45.5%

GAP factor

Norfolk Festival of Running (King's Lynn) 5K
1.5%
Norfolk Festival of Running (King's Lynn) 10K
1.5%

Entry model

Norfolk Festival of Running (King's Lynn) 5K
Open
Norfolk Festival of Running (King's Lynn) 10K
Open

Entry fee

Norfolk Festival of Running (King's Lynn) 5K
£29
Norfolk Festival of Running (King's Lynn) 10K
£29

Lowest modelled true cost

Norfolk Festival of Running (King's Lynn) 5K
£159
Norfolk Festival of Running (King's Lynn) 10K
£159

Cost model origin

Norfolk Festival of Running (King's Lynn) 5K
National Average
Norfolk Festival of Running (King's Lynn) 10K
National Average

Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.

Common questions

Which is flatter, Norfolk Festival of Running (King's Lynn) 5K or Norfolk Festival of Running (King's Lynn) 10K?

Norfolk Festival of Running (King's Lynn) 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

Read the full pages

How figures are calculated →