Flat grade share
- Two Tunnels Railway Races 5K
- 52.5% Favoured
Norfolk Festival of Running (King's Lynn) 5K vs Two Tunnels Railway Races 5K
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) 5K or Two Tunnels Railway Races 5K — which comes out ahead?
Two Tunnels Railway Races 5K has the stronger available profile on flat grade share, course flatness and value score.
Route comparison snapshot
Norfolk Festival of Running (King's Lynn) 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.5%
- flat grade share
- 46.2%
- lower ascent
- 69 m
- climbing density
- 13.8 m/km
- net elevation
- -1 m
- maximum grade
- 9.8%
Two Tunnels Railway Races 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.0% Favoured
- flat grade share
- 52.5% Favoured
- lower ascent
- 51 m
- climbing density
- 10.2 m/km
- net elevation
- 2 m
- maximum grade
- 8.6%
| Metric | Norfolk Festival of Running (King's Lynn) 5K | Two Tunnels Railway Races 5K |
|---|---|---|
| Flat grade share | 46.2% | 52.5% ✓ |
| GAP factor (% slower than flat) | 1.5% | 1.0% ✓ |
| Uphill share | 26.8% | 24.0% |
| Steep-up share | 6.1% | 1.0% |
| Downhill share | 27.0% | 23.4% |
| Total ascent (m) | 69 m | 51 m |
| Climbing density (m/km) | 13.8 m/km | 10.2 m/km |
| Longest climb length (m) | 130 m | 620 m |
| Longest climb gain (m) | 9 m | 17 m |
| Longest climb average grade | 6.7% | 2.7% |
| Total descent (m) | 70 m | 49 m |
| Net elevation (m) | -1 m | 2 m |
| Max absolute grade | 9.8% | 8.6% |
| Start elevation (m) | 18 m | 41 m |
| Finish elevation (m) | 18 m | 43 m |
| Value | 85/100 | 85/100 ✓ |
| Scenic score | 65/100 | 77/100 ✓ |
| Conditions | 61/100 | 62/100 ✓ |
| Entry fee (GBP) | £29 | £26 ✓ |
| Lowest modelled true cost (GBP) | £159 | £156 ✓ |
GAP factor (% slower than flat)
- Two Tunnels Railway Races 5K
- 1.0% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Two Tunnels Railway Races 5K
- 10.2 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
- Two Tunnels Railway Races 5K
- 85/100 Favoured
Scenic score
- Two Tunnels Railway Races 5K
- 77/100 Favoured
Conditions
- Two Tunnels Railway Races 5K
- 62/100 Favoured
Entry fee (GBP)
- Two Tunnels Railway Races 5K
- £26 Favoured
Lowest modelled true cost (GBP)
- Two Tunnels Railway Races 5K
- £156 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) 5K | Two Tunnels Railway Races 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-08-16 (legacy event-level date). |
| Location | King's Lynn, East Of England | Bath, South West |
| Actual distance | 5 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Laps | Unavailable |
| Surface | Trail course over sand, gravel and grass | Unavailable |
| Terrain | Trail | Trail |
| Scenery | Parkland, Countryside, Lakeside, Forest | Parkland, Countryside, Riverside, City, Historic, Forest |
| Atmosphere | Festival, Community | Scenic Tour, Community |
| Total ascent | 69 m | 51 m |
| Climbing density | 13.8 m/km | 10.2 m/km |
| Total descent | 70 m | 49 m |
| Net elevation | -1 m | 2 m |
| Max absolute grade | 9.8% | 8.6% |
| Flat grade share | 46.2% | 52.5% |
| GAP factor | 1.5% | 1.0% |
| Entry model | Open | Open |
| Entry fee | £29 | £26 |
| Lowest modelled true cost | £159 | £156 |
| Cost model origin | National Average | National Average |
| Measured course | Unavailable | Yes |
Schedule
- Norfolk Festival of Running (King's Lynn) 5K
Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).
- Two Tunnels Railway Races 5K
Exact race date not confirmed. Event weekend starts 2026-08-16 (legacy event-level date).
Location
- Norfolk Festival of Running (King's Lynn) 5K
- King's Lynn, East Of England
- Two Tunnels Railway Races 5K
- Bath, South West
Actual distance
- Norfolk Festival of Running (King's Lynn) 5K
- 5 km
- Two Tunnels Railway Races 5K
- 5 km
raceindex.org mapped route held
- Norfolk Festival of Running (King's Lynn) 5K
- Held
- Two Tunnels Railway Races 5K
- Held
raceindex.org elevation profile held
- Norfolk Festival of Running (King's Lynn) 5K
- Held
- Two Tunnels Railway Races 5K
- Held
Course type
- Norfolk Festival of Running (King's Lynn) 5K
- Laps
- Two Tunnels Railway Races 5K
- Unavailable
Surface
- Norfolk Festival of Running (King's Lynn) 5K
- Trail course over sand, gravel and grass
- Two Tunnels Railway Races 5K
- Unavailable
Terrain
- Norfolk Festival of Running (King's Lynn) 5K
- Trail
- Two Tunnels Railway Races 5K
- Trail
Scenery
- Norfolk Festival of Running (King's Lynn) 5K
- Parkland, Countryside, Lakeside, Forest
- Two Tunnels Railway Races 5K
- Parkland, Countryside, Riverside, City, Historic, Forest
Atmosphere
- Norfolk Festival of Running (King's Lynn) 5K
- Festival, Community
- Two Tunnels Railway Races 5K
- Scenic Tour, Community
Total ascent
- Norfolk Festival of Running (King's Lynn) 5K
- 69 m
- Two Tunnels Railway Races 5K
- 51 m
Climbing density
- Norfolk Festival of Running (King's Lynn) 5K
- 13.8 m/km
- Two Tunnels Railway Races 5K
- 10.2 m/km
Total descent
- Norfolk Festival of Running (King's Lynn) 5K
- 70 m
- Two Tunnels Railway Races 5K
- 49 m
Net elevation
- Norfolk Festival of Running (King's Lynn) 5K
- -1 m
- Two Tunnels Railway Races 5K
- 2 m
Max absolute grade
- Norfolk Festival of Running (King's Lynn) 5K
- 9.8%
- Two Tunnels Railway Races 5K
- 8.6%
Flat grade share
- Norfolk Festival of Running (King's Lynn) 5K
- 46.2%
- Two Tunnels Railway Races 5K
- 52.5%
GAP factor
- Norfolk Festival of Running (King's Lynn) 5K
- 1.5%
- Two Tunnels Railway Races 5K
- 1.0%
Entry model
- Norfolk Festival of Running (King's Lynn) 5K
- Open
- Two Tunnels Railway Races 5K
- Open
Entry fee
- Norfolk Festival of Running (King's Lynn) 5K
- £29
- Two Tunnels Railway Races 5K
- £26
Lowest modelled true cost
- Norfolk Festival of Running (King's Lynn) 5K
- £159
- Two Tunnels Railway Races 5K
- £156
Cost model origin
- Norfolk Festival of Running (King's Lynn) 5K
- National Average
- Two Tunnels Railway Races 5K
- National Average
Measured course
- Norfolk Festival of Running (King's Lynn) 5K
- Unavailable
- Two Tunnels Railway Races 5K
- Yes
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 Two Tunnels Railway Races 5K?
Two Tunnels Railway Races 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.