Flat grade share
- Bath & Bristol Railway Races Marathon
- 97.6% Favoured
NLB Ljubljana Marathon vs Bath & Bristol Railway Races Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofNLB Ljubljana Marathon or Bath & Bristol Railway Races Marathon — which comes out ahead?
Bath & Bristol Railway Races Marathon has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
NLB Ljubljana Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1%
- flat grade share
- 94.6%
- lower ascent
- 112 m
- climbing density
- 2.7 m/km
- net elevation
- -1 m
- maximum grade
- 7.0%
Bath & Bristol Railway Races Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1% Favoured
- flat grade share
- 97.6% Favoured
- lower ascent
- 98 m
- climbing density
- 2.3 m/km
- net elevation
- 1 m
- maximum grade
- 6.7%
| Metric | NLB Ljubljana Marathon | Bath & Bristol Railway Races Marathon |
|---|---|---|
| Flat grade share | 94.6% | 97.6% ✓ |
| GAP factor (% slower than flat) | 0.1% | 0.1% ✓ |
| Uphill share | 2.5% | 1.2% |
| Steep-up share | 0.1% | 0.1% |
| Downhill share | 2.9% | 1.1% |
| Total ascent (m) | 112 m | 98 m |
| Climbing density (m/km) | 2.7 m/km | 2.3 m/km |
| Longest climb length (m) | 870 m | 1,050 m |
| Longest climb gain (m) | 10 m | 18 m |
| Longest climb average grade | 1.2% | 1.7% |
| Total descent (m) | 113 m | 97 m |
| Net elevation (m) | -1 m | 1 m |
| Max absolute grade | 7.0% | 6.7% |
| Start elevation (m) | 297 m | 18 m |
| Finish elevation (m) | 296 m | 19 m |
| Value | Unavailable | 79/100 |
| Scenic score | 77/100 | 83/100 ✓ |
| Conditions | 89/100 ✓ | 81/100 |
| Entry fee (GBP) | Unavailable | £60 |
| Lowest modelled true cost (GBP) | Unavailable | £190 |
GAP factor (% slower than flat)
- Bath & Bristol Railway Races Marathon
- 0.1% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- NLB Ljubljana Marathon
- 2.7 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
- NLB Ljubljana Marathon
- Unavailable
Scenic score
- NLB Ljubljana Marathon
- 77/100
- Bath & Bristol Railway Races Marathon
- 83/100 Favoured
Conditions
- NLB Ljubljana Marathon
- 89/100 Favoured
Entry fee (GBP)
- NLB Ljubljana Marathon
- Unavailable
Lowest modelled true cost (GBP)
- NLB Ljubljana Marathon
- Unavailable
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 | NLB Ljubljana Marathon | Bath & Bristol Railway Races Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date). |
| Location | Ljubljana, Slovenia | Bath, South West |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Out And Back |
| Surface | Paved city roads (asphalt). | Essentially 100% tarmac, aside from a small amount of grass at the start and finish |
| Elevation character | Flat | Unavailable |
| Terrain | Road | Trail |
| Scenery | City, Historic, Riverside, Parkland, Forest | Riverside, Countryside, Historic, City, Parkland |
| Atmosphere | Big City, Festival, Scenic Tour | Scenic Tour |
| Technicality | Non Technical | Unavailable |
| Total ascent | 112 m | 98 m |
| Climbing density | 2.7 m/km | 2.3 m/km |
| Total descent | 113 m | 97 m |
| Net elevation | -1 m | 1 m |
| Max absolute grade | 7.0% | 6.7% |
| Flat grade share | 94.6% | 97.6% |
| GAP factor | 0.1% | 0.1% |
| Cutoff | 6:00:00 | 7:30:00 |
| Entry model | Open | Open |
| Entry fee | Unavailable | £60 |
| Lowest modelled true cost | Unavailable | £190 |
| Cost model origin | Unavailable | National Average |
| Measured course | Unavailable | Yes |
Schedule
- NLB Ljubljana Marathon
Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date).
- Bath & Bristol Railway Races Marathon
Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).
Location
- NLB Ljubljana Marathon
- Ljubljana, Slovenia
- Bath & Bristol Railway Races Marathon
- Bath, South West
Actual distance
- NLB Ljubljana Marathon
- 42.2 km
- Bath & Bristol Railway Races Marathon
- 42.2 km
raceindex.org mapped route held
- NLB Ljubljana Marathon
- Held
- Bath & Bristol Railway Races Marathon
- Held
raceindex.org elevation profile held
- NLB Ljubljana Marathon
- Held
- Bath & Bristol Railway Races Marathon
- Held
Course type
- NLB Ljubljana Marathon
- Unavailable
- Bath & Bristol Railway Races Marathon
- Out And Back
Surface
- NLB Ljubljana Marathon
- Paved city roads (asphalt).
- Bath & Bristol Railway Races Marathon
- Essentially 100% tarmac, aside from a small amount of grass at the start and finish
Elevation character
- NLB Ljubljana Marathon
- Flat
- Bath & Bristol Railway Races Marathon
- Unavailable
Terrain
- NLB Ljubljana Marathon
- Road
- Bath & Bristol Railway Races Marathon
- Trail
Scenery
- NLB Ljubljana Marathon
- City, Historic, Riverside, Parkland, Forest
- Bath & Bristol Railway Races Marathon
- Riverside, Countryside, Historic, City, Parkland
Atmosphere
- NLB Ljubljana Marathon
- Big City, Festival, Scenic Tour
- Bath & Bristol Railway Races Marathon
- Scenic Tour
Technicality
- NLB Ljubljana Marathon
- Non Technical
- Bath & Bristol Railway Races Marathon
- Unavailable
Total ascent
- NLB Ljubljana Marathon
- 112 m
- Bath & Bristol Railway Races Marathon
- 98 m
Climbing density
- NLB Ljubljana Marathon
- 2.7 m/km
- Bath & Bristol Railway Races Marathon
- 2.3 m/km
Total descent
- NLB Ljubljana Marathon
- 113 m
- Bath & Bristol Railway Races Marathon
- 97 m
Net elevation
- NLB Ljubljana Marathon
- -1 m
- Bath & Bristol Railway Races Marathon
- 1 m
Max absolute grade
- NLB Ljubljana Marathon
- 7.0%
- Bath & Bristol Railway Races Marathon
- 6.7%
Flat grade share
- NLB Ljubljana Marathon
- 94.6%
- Bath & Bristol Railway Races Marathon
- 97.6%
GAP factor
- NLB Ljubljana Marathon
- 0.1%
- Bath & Bristol Railway Races Marathon
- 0.1%
Cutoff
- NLB Ljubljana Marathon
- 6:00:00
- Bath & Bristol Railway Races Marathon
- 7:30:00
Entry model
- NLB Ljubljana Marathon
- Open
- Bath & Bristol Railway Races Marathon
- Open
Entry fee
- NLB Ljubljana Marathon
- Unavailable
- Bath & Bristol Railway Races Marathon
- £60
Lowest modelled true cost
- NLB Ljubljana Marathon
- Unavailable
- Bath & Bristol Railway Races Marathon
- £190
Cost model origin
- NLB Ljubljana Marathon
- Unavailable
- Bath & Bristol Railway Races Marathon
- National Average
Measured course
- NLB Ljubljana Marathon
- Unavailable
- Bath & Bristol Railway Races Marathon
- 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, NLB Ljubljana Marathon or Bath & Bristol Railway Races Marathon?
Bath & Bristol Railway Races Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.