Flat grade share
- Two Tunnels Railway Races 5K
- 52.5% Favoured
Two Tunnels Railway Races 5K vs Norfolk Festival of Running (King's Lynn) 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofTwo Tunnels Railway Races 5K or Norfolk Festival of Running (King's Lynn) 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
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%
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%
| Metric | Two Tunnels Railway Races 5K | Norfolk Festival of Running (King's Lynn) 5K |
|---|---|---|
| Flat grade share | 52.5% ✓ | 46.2% |
| GAP factor (% slower than flat) | 1.0% ✓ | 1.5% |
| Uphill share | 24.0% | 26.8% |
| Steep-up share | 1.0% | 6.1% |
| Downhill share | 23.4% | 27.0% |
| Total ascent (m) | 51 m | 69 m |
| Climbing density (m/km) | 10.2 m/km | 13.8 m/km |
| Longest climb length (m) | 620 m | 130 m |
| Longest climb gain (m) | 17 m | 9 m |
| Longest climb average grade | 2.7% | 6.7% |
| Total descent (m) | 49 m | 70 m |
| Net elevation (m) | 2 m | -1 m |
| Max absolute grade | 8.6% | 9.8% |
| Start elevation (m) | 41 m | 18 m |
| Finish elevation (m) | 43 m | 18 m |
| Value | 85/100 ✓ | 85/100 |
| Scenic score | 77/100 ✓ | 65/100 |
| Conditions | 62/100 ✓ | 61/100 |
| Entry fee (GBP) | £26 ✓ | £29 |
| Lowest modelled true cost (GBP) | £156 ✓ | £159 |
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 | Two Tunnels Railway Races 5K | Norfolk Festival of Running (King's Lynn) 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-08-16 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date). |
| Location | Bath, South West | King's Lynn, East Of England |
| Actual distance | 5 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Laps |
| Surface | Unavailable | Trail course over sand, gravel and grass |
| Terrain | Trail | Trail |
| Scenery | Parkland, Countryside, Riverside, City, Historic, Forest | Parkland, Countryside, Lakeside, Forest |
| Atmosphere | Scenic Tour, Community | Festival, Community |
| Total ascent | 51 m | 69 m |
| Climbing density | 10.2 m/km | 13.8 m/km |
| Total descent | 49 m | 70 m |
| Net elevation | 2 m | -1 m |
| Max absolute grade | 8.6% | 9.8% |
| Flat grade share | 52.5% | 46.2% |
| GAP factor | 1.0% | 1.5% |
| Entry model | Open | Open |
| Entry fee | £26 | £29 |
| Lowest modelled true cost | £156 | £159 |
| Cost model origin | National Average | National Average |
| Measured course | Yes | Unavailable |
Schedule
- Two Tunnels Railway Races 5K
Exact race date not confirmed. Event weekend starts 2026-08-16 (legacy event-level date).
- Norfolk Festival of Running (King's Lynn) 5K
Exact race date not confirmed. Event weekend starts 2026-07-12 (legacy event-level date).
Location
- Two Tunnels Railway Races 5K
- Bath, South West
- Norfolk Festival of Running (King's Lynn) 5K
- King's Lynn, East Of England
Actual distance
- Two Tunnels Railway Races 5K
- 5 km
- Norfolk Festival of Running (King's Lynn) 5K
- 5 km
raceindex.org mapped route held
- Two Tunnels Railway Races 5K
- Held
- Norfolk Festival of Running (King's Lynn) 5K
- Held
raceindex.org elevation profile held
- Two Tunnels Railway Races 5K
- Held
- Norfolk Festival of Running (King's Lynn) 5K
- Held
Course type
- Two Tunnels Railway Races 5K
- Unavailable
- Norfolk Festival of Running (King's Lynn) 5K
- Laps
Surface
- Two Tunnels Railway Races 5K
- Unavailable
- Norfolk Festival of Running (King's Lynn) 5K
- Trail course over sand, gravel and grass
Terrain
- Two Tunnels Railway Races 5K
- Trail
- Norfolk Festival of Running (King's Lynn) 5K
- Trail
Scenery
- Two Tunnels Railway Races 5K
- Parkland, Countryside, Riverside, City, Historic, Forest
- Norfolk Festival of Running (King's Lynn) 5K
- Parkland, Countryside, Lakeside, Forest
Atmosphere
- Two Tunnels Railway Races 5K
- Scenic Tour, Community
- Norfolk Festival of Running (King's Lynn) 5K
- Festival, Community
Total ascent
- Two Tunnels Railway Races 5K
- 51 m
- Norfolk Festival of Running (King's Lynn) 5K
- 69 m
Climbing density
- Two Tunnels Railway Races 5K
- 10.2 m/km
- Norfolk Festival of Running (King's Lynn) 5K
- 13.8 m/km
Total descent
- Two Tunnels Railway Races 5K
- 49 m
- Norfolk Festival of Running (King's Lynn) 5K
- 70 m
Net elevation
- Two Tunnels Railway Races 5K
- 2 m
- Norfolk Festival of Running (King's Lynn) 5K
- -1 m
Max absolute grade
- Two Tunnels Railway Races 5K
- 8.6%
- Norfolk Festival of Running (King's Lynn) 5K
- 9.8%
Flat grade share
- Two Tunnels Railway Races 5K
- 52.5%
- Norfolk Festival of Running (King's Lynn) 5K
- 46.2%
GAP factor
- Two Tunnels Railway Races 5K
- 1.0%
- Norfolk Festival of Running (King's Lynn) 5K
- 1.5%
Entry model
- Two Tunnels Railway Races 5K
- Open
- Norfolk Festival of Running (King's Lynn) 5K
- Open
Entry fee
- Two Tunnels Railway Races 5K
- £26
- Norfolk Festival of Running (King's Lynn) 5K
- £29
Lowest modelled true cost
- Two Tunnels Railway Races 5K
- £156
- Norfolk Festival of Running (King's Lynn) 5K
- £159
Cost model origin
- Two Tunnels Railway Races 5K
- National Average
- Norfolk Festival of Running (King's Lynn) 5K
- National Average
Measured course
- Two Tunnels Railway Races 5K
- Yes
- Norfolk Festival of Running (King's Lynn) 5K
- Unavailable
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, Two Tunnels Railway Races 5K or Norfolk Festival of Running (King's Lynn) 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.