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