Flat grade share
- Ethias 15 km de Liège Métropole
- 62.2% Favoured
TCS Lidingöloppet 15K vs Ethias 15 km de Liège Métropole
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofTCS Lidingöloppet 15K or Ethias 15 km de Liège Métropole — which comes out ahead?
TCS Lidingöloppet 15K has the stronger available profile on course flatness and scenery score.
Route comparison snapshot
TCS Lidingöloppet 15K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.0% Favoured
- flat grade share
- 52.9%
- lower ascent
- 173 m
- climbing density
- 11.5 m/km
- net elevation
- -5 m
- maximum grade
- 9.3%
Ethias 15 km de Liège Métropole
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.8%
- flat grade share
- 62.2% Favoured
- lower ascent
- 177 m
- climbing density
- 11.8 m/km
- net elevation
- 1 m
- maximum grade
- 20.2%
| Metric | TCS Lidingöloppet 15K | Ethias 15 km de Liège Métropole |
|---|---|---|
| Flat grade share | 52.9% | 62.2% ✓ |
| GAP factor (% slower than flat) | 1.0% ✓ | 1.8% |
| Uphill share | 21.6% | 18.1% |
| Steep-up share | 3.8% | 4.6% |
| Downhill share | 25.5% | 19.7% |
| Total ascent (m) | 173 m | 177 m |
| Climbing density (m/km) | 11.5 m/km | 11.8 m/km |
| Longest climb length (m) | 540 m | 760 m |
| Longest climb gain (m) | 25 m | 45 m |
| Longest climb average grade | 4.7% | 5.9% |
| Total descent (m) | 178 m | 176 m |
| Net elevation (m) | -5 m | 1 m |
| Max absolute grade | 9.3% | 20.2% |
| Start elevation (m) | 26 m | 63 m |
| Finish elevation (m) | 21 m | 64 m |
| Scenic score | 100/100 ✓ | 45/100 |
| Conditions | 89/100 | 89/100 |
GAP factor (% slower than flat)
- TCS Lidingöloppet 15K
- 1.0% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- TCS Lidingöloppet 15K
- 11.5 m/km
- Ethias 15 km de Liège Métropole
- 11.8 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)
Scenic score
- TCS Lidingöloppet 15K
- 100/100 Favoured
Conditions
- TCS Lidingöloppet 15K
- 89/100
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 | TCS Lidingöloppet 15K | Ethias 15 km de Liège Métropole |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-25 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-04-11 (legacy event-level date). |
| Location | Lidingö, Sweden | Liège, Belgium |
| Actual distance | 15 km | 15 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Surface | Off Road cross Country forest trails and gravel on Lidingö island, a shortened version of the classic 30 km terrain | Unavailable |
| Elevation character | Hilly | Rolling |
| Terrain | Trail, Beach | Road |
| Scenery | Parkland, Forest, Countryside, Desert, Island, Historic, Waterfront, Coastal | City, Riverside, Historic, Parkland |
| Atmosphere | Festival, Community, Scenic Tour | Big City, Festival, Community |
| Technicality | Unavailable | Moderate |
| Total ascent | 173 m | 177 m |
| Climbing density | 11.5 m/km | 11.8 m/km |
| Total descent | 178 m | 176 m |
| Net elevation | -5 m | 1 m |
| Max absolute grade | 9.3% | 20.2% |
| Flat grade share | 52.9% | 62.2% |
| GAP factor | 1.0% | 1.8% |
| Entry model | Open | Open |
Schedule
- TCS Lidingöloppet 15K
Exact race date not confirmed. Event weekend starts 2026-09-25 (legacy event-level date).
- Ethias 15 km de Liège Métropole
Exact race date not confirmed. Event weekend starts 2027-04-11 (legacy event-level date).
Location
- TCS Lidingöloppet 15K
- Lidingö, Sweden
- Ethias 15 km de Liège Métropole
- Liège, Belgium
Actual distance
- TCS Lidingöloppet 15K
- 15 km
- Ethias 15 km de Liège Métropole
- 15 km
raceindex.org mapped route held
- TCS Lidingöloppet 15K
- Held
- Ethias 15 km de Liège Métropole
- Held
raceindex.org elevation profile held
- TCS Lidingöloppet 15K
- Held
- Ethias 15 km de Liège Métropole
- Held
Surface
- TCS Lidingöloppet 15K
- Off Road cross Country forest trails and gravel on Lidingö island, a shortened version of the classic 30 km terrain
- Ethias 15 km de Liège Métropole
- Unavailable
Elevation character
- TCS Lidingöloppet 15K
- Hilly
- Ethias 15 km de Liège Métropole
- Rolling
Terrain
- TCS Lidingöloppet 15K
- Trail, Beach
- Ethias 15 km de Liège Métropole
- Road
Scenery
- TCS Lidingöloppet 15K
- Parkland, Forest, Countryside, Desert, Island, Historic, Waterfront, Coastal
- Ethias 15 km de Liège Métropole
- City, Riverside, Historic, Parkland
Atmosphere
- TCS Lidingöloppet 15K
- Festival, Community, Scenic Tour
- Ethias 15 km de Liège Métropole
- Big City, Festival, Community
Technicality
- TCS Lidingöloppet 15K
- Unavailable
- Ethias 15 km de Liège Métropole
- Moderate
Total ascent
- TCS Lidingöloppet 15K
- 173 m
- Ethias 15 km de Liège Métropole
- 177 m
Climbing density
- TCS Lidingöloppet 15K
- 11.5 m/km
- Ethias 15 km de Liège Métropole
- 11.8 m/km
Total descent
- TCS Lidingöloppet 15K
- 178 m
- Ethias 15 km de Liège Métropole
- 176 m
Net elevation
- TCS Lidingöloppet 15K
- -5 m
- Ethias 15 km de Liège Métropole
- 1 m
Max absolute grade
- TCS Lidingöloppet 15K
- 9.3%
- Ethias 15 km de Liège Métropole
- 20.2%
Flat grade share
- TCS Lidingöloppet 15K
- 52.9%
- Ethias 15 km de Liège Métropole
- 62.2%
GAP factor
- TCS Lidingöloppet 15K
- 1.0%
- Ethias 15 km de Liège Métropole
- 1.8%
Entry model
- TCS Lidingöloppet 15K
- Open
- Ethias 15 km de Liège Métropole
- Open
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, TCS Lidingöloppet 15K or Ethias 15 km de Liège Métropole?
TCS Lidingöloppet 15K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.