Flat grade share
- Norfolk Festival of Running (King's Lynn) Marathon
- 45.4% Favoured
Norfolk Festival of Running (King's Lynn) Ultramarathon vs Norfolk Festival of Running (King's Lynn) Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofNorfolk Festival of Running (King's Lynn) Ultramarathon or Norfolk Festival of Running (King's Lynn) Marathon — which comes out ahead?
Norfolk Festival of Running (King's Lynn) Ultramarathon and Norfolk Festival of Running (King's Lynn) Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Norfolk Festival of Running (King's Lynn) Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.6% Favoured
- flat grade share
- 45.4%
- lower ascent
- 627 m
- climbing density
- 12.5 m/km
- net elevation
- -1 m
- maximum grade
- 9.8%
Norfolk Festival of Running (King's Lynn) Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.6%
- flat grade share
- 45.4% Favoured
- lower ascent
- 558 m
- climbing density
- 13.2 m/km
- net elevation
- -0 m
- maximum grade
- 9.8%
| Metric | Norfolk Festival of Running (King's Lynn) Ultramarathon | Norfolk Festival of Running (King's Lynn) Marathon |
|---|---|---|
| Flat grade share | 45.4% | 45.4% ✓ |
| GAP factor (% slower than flat) | 1.6% ✓ | 1.6% |
| Uphill share | 27.3% | 27.3% |
| Steep-up share | 5.9% | 6.0% |
| Downhill share | 27.3% | 27.3% |
| Total ascent (m) | 627 m | 558 m |
| Climbing density (m/km) | 12.5 m/km | 13.2 m/km |
| Longest climb length (m) | 140 m | 140 m |
| Longest climb gain (m) | 9 m | 9 m |
| Longest climb average grade | 6.3% | 6.3% |
| Total descent (m) | 628 m | 558 m |
| Net elevation (m) | -1 m | -0 m |
| Max absolute grade | 9.8% | 9.8% |
| Start elevation (m) | 18 m | 18 m |
| Finish elevation (m) | 17 m | 18 m |
| Value | 83/100 | 83/100 |
| Scenic score | 65/100 | 65/100 |
| Conditions | 61/100 | 61/100 |
| Entry fee (GBP) | £38 | £38 |
| Lowest modelled true cost (GBP) | £168 | £168 |
GAP factor (% slower than flat)
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
Longest climb length (m)
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Value
Scenic score
Conditions
Entry fee (GBP)
Lowest modelled true cost (GBP)
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
| Fact | Norfolk Festival of Running (King's Lynn) Ultramarathon | Norfolk Festival of Running (King's Lynn) Marathon |
|---|---|---|
| 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). |
| Location | King's Lynn, East Of England | King's Lynn, East Of England |
| Actual distance | 50 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Laps | Laps |
| Surface | Trail course over sand, gravel and grass | Trail course over sand, gravel and grass |
| Elevation character | Unavailable | Gently Rolling |
| Terrain | Trail | Trail, Gravel |
| Scenery | Parkland, Countryside, Lakeside, Forest | Parkland, Countryside, Lakeside, Forest |
| Atmosphere | Festival, Community | Festival, Community |
| Technicality | Unavailable | Non Technical |
| Total ascent | 627 m | 558 m |
| Climbing density | 12.5 m/km | 13.2 m/km |
| Total descent | 628 m | 558 m |
| Net elevation | -1 m | -0 m |
| Max absolute grade | 9.8% | 9.8% |
| Flat grade share | 45.4% | 45.4% |
| GAP factor | 1.6% | 1.6% |
| Cutoff | 6:00:00 | 6:00:00 |
| Entry model | Open | Open |
| Entry fee | £38 | £38 |
| Lowest modelled true cost | £168 | £168 |
| Cost model origin | National Average | National Average |
Schedule
- Norfolk Festival of Running (King's Lynn) Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).
- Norfolk Festival of Running (King's Lynn) Marathon
Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).
Location
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- King's Lynn, East Of England
- Norfolk Festival of Running (King's Lynn) Marathon
- King's Lynn, East Of England
Actual distance
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 50 km
- Norfolk Festival of Running (King's Lynn) Marathon
- 42.2 km
raceindex.org mapped route held
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Held
- Norfolk Festival of Running (King's Lynn) Marathon
- Held
raceindex.org elevation profile held
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Held
- Norfolk Festival of Running (King's Lynn) Marathon
- Held
Course type
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Laps
- Norfolk Festival of Running (King's Lynn) Marathon
- Laps
Surface
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Trail course over sand, gravel and grass
- Norfolk Festival of Running (King's Lynn) Marathon
- Trail course over sand, gravel and grass
Elevation character
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Unavailable
- Norfolk Festival of Running (King's Lynn) Marathon
- Gently Rolling
Terrain
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Trail
- Norfolk Festival of Running (King's Lynn) Marathon
- Trail, Gravel
Scenery
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Parkland, Countryside, Lakeside, Forest
- Norfolk Festival of Running (King's Lynn) Marathon
- Parkland, Countryside, Lakeside, Forest
Atmosphere
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Festival, Community
- Norfolk Festival of Running (King's Lynn) Marathon
- Festival, Community
Technicality
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Unavailable
- Norfolk Festival of Running (King's Lynn) Marathon
- Non Technical
Total ascent
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 627 m
- Norfolk Festival of Running (King's Lynn) Marathon
- 558 m
Climbing density
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 12.5 m/km
- Norfolk Festival of Running (King's Lynn) Marathon
- 13.2 m/km
Total descent
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 628 m
- Norfolk Festival of Running (King's Lynn) Marathon
- 558 m
Net elevation
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- -1 m
- Norfolk Festival of Running (King's Lynn) Marathon
- -0 m
Max absolute grade
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 9.8%
- Norfolk Festival of Running (King's Lynn) Marathon
- 9.8%
Flat grade share
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 45.4%
- Norfolk Festival of Running (King's Lynn) Marathon
- 45.4%
GAP factor
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 1.6%
- Norfolk Festival of Running (King's Lynn) Marathon
- 1.6%
Cutoff
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- 6:00:00
- Norfolk Festival of Running (King's Lynn) Marathon
- 6:00:00
Entry model
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- Open
- Norfolk Festival of Running (King's Lynn) Marathon
- Open
Entry fee
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- £38
- Norfolk Festival of Running (King's Lynn) Marathon
- £38
Lowest modelled true cost
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- £168
- Norfolk Festival of Running (King's Lynn) Marathon
- £168
Cost model origin
- Norfolk Festival of Running (King's Lynn) Ultramarathon
- National Average
- Norfolk Festival of Running (King's Lynn) Marathon
- 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) Ultramarathon or Norfolk Festival of Running (King's Lynn) Marathon?
Norfolk Festival of Running (King's Lynn) Ultramarathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.