Flat grade share
- Martian Invasion of Races 26K
- 96.8% Favoured
Regensburg Marathon 32K vs Martian Invasion of Races 26K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofRegensburg Marathon 32K or Martian Invasion of Races 26K — which comes out ahead?
Regensburg Marathon 32K and Martian Invasion of Races 26K split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Regensburg Marathon 32K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1%
- flat grade share
- 94.2%
- lower ascent
- 92 m
- climbing density
- 2.9 m/km
- net elevation
- 0 m
- maximum grade
- 6.4%
Martian Invasion of Races 26K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1% Favoured
- flat grade share
- 96.8% Favoured
- lower ascent
- 65 m
- climbing density
- 2.5 m/km
- net elevation
- 0 m
- maximum grade
- 5.4%
| Metric | Regensburg Marathon 32K | Martian Invasion of Races 26K |
|---|---|---|
| Flat grade share | 94.2% | 96.8% ✓ |
| GAP factor (% slower than flat) | 0.1% | 0.1% ✓ |
| Uphill share | 2.6% | 1.2% |
| Steep-up share | 0.3% | 0.0% |
| Downhill share | 3.1% | 2.0% |
| Total ascent (m) | 92 m | 65 m |
| Climbing density (m/km) | 2.9 m/km | 2.5 m/km |
| Longest climb length (m) | 880 m | 1,350 m |
| Longest climb gain (m) | 16 m | 7 m |
| Longest climb average grade | 1.9% | 0.5% |
| Total descent (m) | 91 m | 65 m |
| Net elevation (m) | 0 m | 0 m |
| Max absolute grade | 6.4% | 5.4% |
| Start elevation (m) | 336 m | 178 m |
| Finish elevation (m) | 336 m | 178 m |
| Scenic score | 83/100 ✓ | 64/100 |
| Conditions | 82/100 ✓ | 81/100 |
GAP factor (% slower than flat)
- Martian Invasion of Races 26K
- 0.1% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Regensburg Marathon 32K
- 2.9 m/km
- Martian Invasion of Races 26K
- 2.5 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
- Regensburg Marathon 32K
- 83/100 Favoured
Conditions
- Regensburg Marathon 32K
- 82/100 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 | Regensburg Marathon 32K | Martian Invasion of Races 26K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-04-11 (legacy event-level date). |
| Location | Regensburg, Germany | Dearborn, Michigan |
| Actual distance | 31.6 km | 26 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Out And Back |
| Surface | Predominantly asphalt, with an approximately 1.2 km cobblestone (Kopfsteinpflaster) section through the old town. | Paved roads and paved park paths |
| Terrain | Unavailable | Road |
| Scenery | City, Riverside, Historic, Waterfront, Parkland, Countryside | Riverside, Parkland, Countryside, City |
| Atmosphere | Big City, Scenic Tour, Community | Festival, Community |
| Total ascent | 92 m | 65 m |
| Climbing density | 2.9 m/km | 2.5 m/km |
| Total descent | 91 m | 65 m |
| Net elevation | 0 m | 0 m |
| Max absolute grade | 6.4% | 5.4% |
| Flat grade share | 94.2% | 96.8% |
| GAP factor | 0.1% | 0.1% |
| Entry model | Open | Open |
Schedule
- Regensburg Marathon 32K
Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date).
- Martian Invasion of Races 26K
Exact race date not confirmed. Event weekend starts 2026-04-11 (legacy event-level date).
Location
- Regensburg Marathon 32K
- Regensburg, Germany
- Martian Invasion of Races 26K
- Dearborn, Michigan
Actual distance
- Regensburg Marathon 32K
- 31.6 km
- Martian Invasion of Races 26K
- 26 km
raceindex.org mapped route held
- Regensburg Marathon 32K
- Held
- Martian Invasion of Races 26K
- Held
raceindex.org elevation profile held
- Regensburg Marathon 32K
- Held
- Martian Invasion of Races 26K
- Held
Course type
- Regensburg Marathon 32K
- Unavailable
- Martian Invasion of Races 26K
- Out And Back
Surface
- Regensburg Marathon 32K
- Predominantly asphalt, with an approximately 1.2 km cobblestone (Kopfsteinpflaster) section through the old town.
- Martian Invasion of Races 26K
- Paved roads and paved park paths
Terrain
- Regensburg Marathon 32K
- Unavailable
- Martian Invasion of Races 26K
- Road
Scenery
- Regensburg Marathon 32K
- City, Riverside, Historic, Waterfront, Parkland, Countryside
- Martian Invasion of Races 26K
- Riverside, Parkland, Countryside, City
Atmosphere
- Regensburg Marathon 32K
- Big City, Scenic Tour, Community
- Martian Invasion of Races 26K
- Festival, Community
Total ascent
- Regensburg Marathon 32K
- 92 m
- Martian Invasion of Races 26K
- 65 m
Climbing density
- Regensburg Marathon 32K
- 2.9 m/km
- Martian Invasion of Races 26K
- 2.5 m/km
Total descent
- Regensburg Marathon 32K
- 91 m
- Martian Invasion of Races 26K
- 65 m
Net elevation
- Regensburg Marathon 32K
- 0 m
- Martian Invasion of Races 26K
- 0 m
Max absolute grade
- Regensburg Marathon 32K
- 6.4%
- Martian Invasion of Races 26K
- 5.4%
Flat grade share
- Regensburg Marathon 32K
- 94.2%
- Martian Invasion of Races 26K
- 96.8%
GAP factor
- Regensburg Marathon 32K
- 0.1%
- Martian Invasion of Races 26K
- 0.1%
Entry model
- Regensburg Marathon 32K
- Open
- Martian Invasion of Races 26K
- 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, Regensburg Marathon 32K or Martian Invasion of Races 26K?
Martian Invasion of Races 26K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.