Flat grade share
- Snowdonia Trail Marathon Eryri
- Unavailable
Norfolk Festival of Running (King's Lynn) Marathon vs Snowdonia Trail Marathon Eryri
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) Marathon or Snowdonia Trail Marathon Eryri — which comes out ahead?
Norfolk Festival of Running (King's Lynn) Marathon has the stronger available profile on value score, entry fee and modelled total cost.
Route comparison snapshot
Norfolk Festival of Running (King's Lynn) Marathon
- Mapped route
- Held Favoured
- Elevation profile
- Held Favoured
- course flatness
- 1.6%
- flat grade share
- 45.4%
- lower ascent
- 558 m
- climbing density
- 13.2 m/km
- net elevation
- -0 m
- maximum grade
- 9.8%
Snowdonia Trail Marathon Eryri
- Mapped route
- Not held
- Elevation profile
- Not held
- course flatness
- Unavailable
- flat grade share
- Unavailable
- lower ascent
- Unavailable
- climbing density
- Unavailable
- net elevation
- Unavailable
- maximum grade
- Unavailable
| Metric | Norfolk Festival of Running (King's Lynn) Marathon | Snowdonia Trail Marathon Eryri |
|---|---|---|
| Flat grade share | 45.4% | Unavailable |
| GAP factor (% slower than flat) | 1.6% | Unavailable |
| Uphill share | 27.3% | Unavailable |
| Steep-up share | 6.0% | Unavailable |
| Downhill share | 27.3% | Unavailable |
| Total ascent (m) | 558 m | Unavailable |
| Climbing density (m/km) | 13.2 m/km | Unavailable |
| Longest climb length (m) | 140 m | Unavailable |
| Longest climb gain (m) | 9 m | Unavailable |
| Longest climb average grade | 6.3% | Unavailable |
| Total descent (m) | 558 m | Unavailable |
| Net elevation (m) | -0 m | Unavailable |
| Max absolute grade | 9.8% | Unavailable |
| Start elevation (m) | 18 m | Unavailable |
| Finish elevation (m) | 18 m | Unavailable |
| Value | 83/100 ✓ | 78/100 |
| Scenic score | 65/100 | 100/100 ✓ |
| Conditions | 61/100 | 67/100 ✓ |
| Entry fee (GBP) | £38 ✓ | £62 |
| Lowest modelled true cost (GBP) | £168 ✓ | £192 |
GAP factor (% slower than flat)
- Snowdonia Trail Marathon Eryri
- Unavailable
Uphill share
- Snowdonia Trail Marathon Eryri
- Unavailable
Steep-up share
- Snowdonia Trail Marathon Eryri
- Unavailable
Downhill share
- Snowdonia Trail Marathon Eryri
- Unavailable
Total ascent (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Climbing density (m/km)
- Snowdonia Trail Marathon Eryri
- Unavailable
Longest climb length (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Longest climb gain (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Longest climb average grade
- Snowdonia Trail Marathon Eryri
- Unavailable
Total descent (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Net elevation (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Max absolute grade
- Snowdonia Trail Marathon Eryri
- Unavailable
Start elevation (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Finish elevation (m)
- Snowdonia Trail Marathon Eryri
- Unavailable
Value
- Norfolk Festival of Running (King's Lynn) Marathon
- 83/100 Favoured
Scenic score
- Snowdonia Trail Marathon Eryri
- 100/100 Favoured
Conditions
- Snowdonia Trail Marathon Eryri
- 67/100 Favoured
Entry fee (GBP)
Lowest modelled true cost (GBP)
- Norfolk Festival of Running (King's Lynn) Marathon
- £168 Favoured
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.
Race facts that change the decision
| Fact | Norfolk Festival of Running (King's Lynn) Marathon | Snowdonia Trail Marathon Eryri |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-11 (legacy event-level date). |
| Location | King's Lynn, East Of England | Llanberis, Wales |
| Actual distance | 42.2 km | 44 km |
| raceindex.org mapped route held | Held | Not held |
| raceindex.org elevation profile held | Held | Not held |
| Course type | Laps | Point To Point |
| Surface | Trail course over sand, gravel and grass | Mountain and forest trails, stone paths, slate quarry tracks. |
| Elevation character | Gently Rolling | Mountainous |
| Terrain | Trail, Gravel | Trail, Mixed |
| Scenery | Parkland, Countryside, Lakeside, Forest | Countryside, Mountain, Parkland, Forest, Lakeside, Moorland, Historic |
| Atmosphere | Festival, Community | Wilderness, Scenic Tour, Festival |
| Technicality | Non Technical | Technical |
| Total ascent | 558 m | 1,685 m |
| Climbing density | 13.2 m/km | Unavailable |
| Total descent | 558 m | Unavailable |
| Net elevation | -0 m | Unavailable |
| Max absolute grade | 9.8% | Unavailable |
| Flat grade share | 45.4% | Unavailable |
| GAP factor | 1.6% | Unavailable |
| Cutoff | 6:00:00 | 9:30:00 |
| Entry model | Open | Open |
| Entry fee | £38 | £62 |
| Lowest modelled true cost | £168 | £192 |
| Cost model origin | National Average | National Average |
Schedule
- Norfolk Festival of Running (King's Lynn) Marathon
Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).
- Snowdonia Trail Marathon Eryri
Exact race date not confirmed. Event weekend starts 2026-07-11 (legacy event-level date).
Location
- Norfolk Festival of Running (King's Lynn) Marathon
- King's Lynn, East Of England
- Snowdonia Trail Marathon Eryri
- Llanberis, Wales
Actual distance
- Norfolk Festival of Running (King's Lynn) Marathon
- 42.2 km
- Snowdonia Trail Marathon Eryri
- 44 km
raceindex.org mapped route held
- Norfolk Festival of Running (King's Lynn) Marathon
- Held
- Snowdonia Trail Marathon Eryri
- Not held
raceindex.org elevation profile held
- Norfolk Festival of Running (King's Lynn) Marathon
- Held
- Snowdonia Trail Marathon Eryri
- Not held
Course type
- Norfolk Festival of Running (King's Lynn) Marathon
- Laps
- Snowdonia Trail Marathon Eryri
- Point To Point
Surface
- Norfolk Festival of Running (King's Lynn) Marathon
- Trail course over sand, gravel and grass
- Snowdonia Trail Marathon Eryri
- Mountain and forest trails, stone paths, slate quarry tracks.
Elevation character
- Norfolk Festival of Running (King's Lynn) Marathon
- Gently Rolling
- Snowdonia Trail Marathon Eryri
- Mountainous
Terrain
- Norfolk Festival of Running (King's Lynn) Marathon
- Trail, Gravel
- Snowdonia Trail Marathon Eryri
- Trail, Mixed
Scenery
- Norfolk Festival of Running (King's Lynn) Marathon
- Parkland, Countryside, Lakeside, Forest
- Snowdonia Trail Marathon Eryri
- Countryside, Mountain, Parkland, Forest, Lakeside, Moorland, Historic
Atmosphere
- Norfolk Festival of Running (King's Lynn) Marathon
- Festival, Community
- Snowdonia Trail Marathon Eryri
- Wilderness, Scenic Tour, Festival
Technicality
- Norfolk Festival of Running (King's Lynn) Marathon
- Non Technical
- Snowdonia Trail Marathon Eryri
- Technical
Total ascent
- Norfolk Festival of Running (King's Lynn) Marathon
- 558 m
- Snowdonia Trail Marathon Eryri
- 1,685 m
Climbing density
- Norfolk Festival of Running (King's Lynn) Marathon
- 13.2 m/km
- Snowdonia Trail Marathon Eryri
- Unavailable
Total descent
- Norfolk Festival of Running (King's Lynn) Marathon
- 558 m
- Snowdonia Trail Marathon Eryri
- Unavailable
Net elevation
- Norfolk Festival of Running (King's Lynn) Marathon
- -0 m
- Snowdonia Trail Marathon Eryri
- Unavailable
Max absolute grade
- Norfolk Festival of Running (King's Lynn) Marathon
- 9.8%
- Snowdonia Trail Marathon Eryri
- Unavailable
Flat grade share
- Norfolk Festival of Running (King's Lynn) Marathon
- 45.4%
- Snowdonia Trail Marathon Eryri
- Unavailable
GAP factor
- Norfolk Festival of Running (King's Lynn) Marathon
- 1.6%
- Snowdonia Trail Marathon Eryri
- Unavailable
Cutoff
- Norfolk Festival of Running (King's Lynn) Marathon
- 6:00:00
- Snowdonia Trail Marathon Eryri
- 9:30:00
Entry model
- Norfolk Festival of Running (King's Lynn) Marathon
- Open
- Snowdonia Trail Marathon Eryri
- Open
Entry fee
- Norfolk Festival of Running (King's Lynn) Marathon
- £38
- Snowdonia Trail Marathon Eryri
- £62
Lowest modelled true cost
- Norfolk Festival of Running (King's Lynn) Marathon
- £168
- Snowdonia Trail Marathon Eryri
- £192
Cost model origin
- Norfolk Festival of Running (King's Lynn) Marathon
- National Average
- Snowdonia Trail Marathon Eryri
- 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.