Flat grade share
- Stockholm Marathon
- 91.9%
- MountainOne Steel Rail Races (Adams) Marathon
- 93.7% Favoured
Stockholm Marathon vs MountainOne Steel Rail Races (Adams) Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofStockholm Marathon or MountainOne Steel Rail Races (Adams) Marathon — which comes out ahead?
MountainOne Steel Rail Races (Adams) Marathon has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Stockholm Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2%
- flat grade share
- 91.9%
- lower ascent
- 166 m
- climbing density
- 3.9 m/km
- net elevation
- -0 m
- maximum grade
- 5.2%
MountainOne Steel Rail Races (Adams) Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 93.7% Favoured
- lower ascent
- 128 m
- climbing density
- 3.0 m/km
- net elevation
- -0 m
- maximum grade
- 6.8%
| Metric | Stockholm Marathon | MountainOne Steel Rail Races (Adams) Marathon |
|---|---|---|
| Flat grade share | 91.9% | 93.7% ✓ |
| GAP factor (% slower than flat) | 0.2% | 0.2% ✓ |
| Uphill share | 3.7% | 3.0% |
| Steep-up share | 0.0% | 0.1% |
| Downhill share | 4.4% | 3.3% |
| Total ascent (m) | 166 m | 128 m |
| Climbing density (m/km) | 3.9 m/km | 3.0 m/km |
| Longest climb length (m) | 1,270 m | 640 m |
| Longest climb gain (m) | 23 m | 14 m |
| Longest climb average grade | 1.8% | 2.1% |
| Total descent (m) | 166 m | 128 m |
| Net elevation (m) | -0 m | -0 m |
| Max absolute grade | 5.2% | 6.8% |
| Start elevation (m) | 21 m | 243 m |
| Finish elevation (m) | 21 m | 242 m |
| Scenic score | 88/100 | 100/100 ✓ |
| Conditions | 87/100 ✓ | 44/100 |
GAP factor (% slower than flat)
- MountainOne Steel Rail Races (Adams) Marathon
- 0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
- Stockholm Marathon
- 166 m
Climbing density (m/km)
- Stockholm Marathon
- 3.9 m/km
Longest climb length (m)
- Stockholm Marathon
- 1,270 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
- Stockholm Marathon
- 166 m
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Scenic score
- Stockholm Marathon
- 88/100
- MountainOne Steel Rail Races (Adams) Marathon
- 100/100 Favoured
Conditions
- Stockholm Marathon
- 87/100 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 | Stockholm Marathon | MountainOne Steel Rail Races (Adams) Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-05-29 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date). |
| Location | Stockholm, Sweden | Adams, Massachusetts |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Laps | Out And Back |
| Surface | Asphalt | Paved rail trail (10 Foot Wide paved former railroad bed) |
| Laps | 2 | Unavailable |
| Elevation character | Rolling | Flat |
| Terrain | Road | Towpath, Trail |
| Scenery | City, Historic, Waterfront, Lakeside, Island, Parkland | Countryside, Waterfront, Lakeside, Riverside, Mountain, Forest |
| Atmosphere | Big City, Scenic Tour, Destination | Community, Competitive, Destination |
| Technicality | Moderate | Non Technical |
| Total ascent | 166 m | 128 m |
| Climbing density | 3.9 m/km | 3.0 m/km |
| Total descent | 166 m | 128 m |
| Net elevation | -0 m | -0 m |
| Max absolute grade | 5.2% | 6.8% |
| Flat grade share | 91.9% | 93.7% |
| GAP factor | 0.2% | 0.2% |
| Cutoff | 6:30:00 | Unavailable |
| Entry model | Open | Open |
| Qualifying status | Unavailable | Boston_equivalent |
Schedule
- Stockholm Marathon
Exact race date not confirmed. Event weekend starts 2027-05-29 (legacy event-level date).
- MountainOne Steel Rail Races (Adams) Marathon
Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date).
Location
- Stockholm Marathon
- Stockholm, Sweden
- MountainOne Steel Rail Races (Adams) Marathon
- Adams, Massachusetts
Actual distance
- Stockholm Marathon
- 42.2 km
- MountainOne Steel Rail Races (Adams) Marathon
- 42.2 km
raceindex.org mapped route held
- Stockholm Marathon
- Held
- MountainOne Steel Rail Races (Adams) Marathon
- Held
raceindex.org elevation profile held
- Stockholm Marathon
- Held
- MountainOne Steel Rail Races (Adams) Marathon
- Held
Course type
- Stockholm Marathon
- Laps
- MountainOne Steel Rail Races (Adams) Marathon
- Out And Back
Surface
- Stockholm Marathon
- Asphalt
- MountainOne Steel Rail Races (Adams) Marathon
- Paved rail trail (10 Foot Wide paved former railroad bed)
Laps
- Stockholm Marathon
- 2
- MountainOne Steel Rail Races (Adams) Marathon
- Unavailable
Elevation character
- Stockholm Marathon
- Rolling
- MountainOne Steel Rail Races (Adams) Marathon
- Flat
Terrain
- Stockholm Marathon
- Road
- MountainOne Steel Rail Races (Adams) Marathon
- Towpath, Trail
Scenery
- Stockholm Marathon
- City, Historic, Waterfront, Lakeside, Island, Parkland
- MountainOne Steel Rail Races (Adams) Marathon
- Countryside, Waterfront, Lakeside, Riverside, Mountain, Forest
Atmosphere
- Stockholm Marathon
- Big City, Scenic Tour, Destination
- MountainOne Steel Rail Races (Adams) Marathon
- Community, Competitive, Destination
Technicality
- Stockholm Marathon
- Moderate
- MountainOne Steel Rail Races (Adams) Marathon
- Non Technical
Total ascent
- Stockholm Marathon
- 166 m
- MountainOne Steel Rail Races (Adams) Marathon
- 128 m
Climbing density
- Stockholm Marathon
- 3.9 m/km
- MountainOne Steel Rail Races (Adams) Marathon
- 3.0 m/km
Total descent
- Stockholm Marathon
- 166 m
- MountainOne Steel Rail Races (Adams) Marathon
- 128 m
Net elevation
- Stockholm Marathon
- -0 m
- MountainOne Steel Rail Races (Adams) Marathon
- -0 m
Max absolute grade
- Stockholm Marathon
- 5.2%
- MountainOne Steel Rail Races (Adams) Marathon
- 6.8%
Flat grade share
- Stockholm Marathon
- 91.9%
- MountainOne Steel Rail Races (Adams) Marathon
- 93.7%
GAP factor
- Stockholm Marathon
- 0.2%
- MountainOne Steel Rail Races (Adams) Marathon
- 0.2%
Cutoff
- Stockholm Marathon
- 6:30:00
- MountainOne Steel Rail Races (Adams) Marathon
- Unavailable
Entry model
- Stockholm Marathon
- Open
- MountainOne Steel Rail Races (Adams) Marathon
- Open
Qualifying status
- Stockholm Marathon
- Unavailable
- MountainOne Steel Rail Races (Adams) Marathon
- Boston_equivalent
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, Stockholm Marathon or MountainOne Steel Rail Races (Adams) Marathon?
MountainOne Steel Rail Races (Adams) Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.