Flat grade share
- Marathon Vert Rennes
- 85.6% Favoured
Marathon Vert Rennes vs Marathon Vert Rennes 10K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofMarathon Vert Rennes or Marathon Vert Rennes 10K — which comes out ahead?
Marathon Vert Rennes has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Marathon Vert Rennes
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3% Favoured
- flat grade share
- 85.6% Favoured
- lower ascent
- 192 m
- climbing density
- 4.6 m/km
- net elevation
- 1 m
- maximum grade
- 7.8%
Marathon Vert Rennes 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.5%
- flat grade share
- 80.6%
- lower ascent
- 56 m
- climbing density
- 5.6 m/km
- net elevation
- 1 m
- maximum grade
- 7.2%
| Metric | Marathon Vert Rennes | Marathon Vert Rennes 10K |
|---|---|---|
| Flat grade share | 85.6% ✓ | 80.6% |
| GAP factor (% slower than flat) | 0.3% ✓ | 0.5% |
| Uphill share | 8.3% | 10.6% |
| Steep-up share | 0.2% | 0.0% |
| Downhill share | 6.1% | 8.8% |
| Total ascent (m) | 192 m | 56 m |
| Climbing density (m/km) | 4.6 m/km | 5.6 m/km |
| Longest climb length (m) | 260 m | 270 m |
| Longest climb gain (m) | 11 m | 8 m |
| Longest climb average grade | 4.3% | 2.9% |
| Total descent (m) | 191 m | 55 m |
| Net elevation (m) | 1 m | 1 m |
| Max absolute grade | 7.8% | 7.2% |
| Start elevation (m) | 29 m | 28 m |
| Finish elevation (m) | 29 m | 29 m |
| Scenic score | 51/100 ✓ | 35/100 |
| Conditions | 81/100 | 81/100 |
GAP factor (% slower than flat)
- Marathon Vert Rennes
- 0.3% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
- Marathon Vert Rennes
- 192 m
Climbing density (m/km)
- Marathon Vert Rennes
- 4.6 m/km
- Marathon Vert Rennes 10K
- 5.6 m/km
Longest climb length (m)
- Marathon Vert Rennes
- 260 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
- Marathon Vert Rennes
- 191 m
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Scenic score
- Marathon Vert Rennes
- 51/100 Favoured
- Marathon Vert Rennes 10K
- 35/100
Conditions
- Marathon Vert Rennes
- 81/100
- Marathon Vert Rennes 10K
- 81/100
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.
Same-distance comparisons are most meaningful; cross-distance metrics are contextual.
Race facts that change the decision
| Fact | Marathon Vert Rennes | Marathon Vert Rennes 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date). |
| Location | Rennes, France | Rennes, France |
| Actual distance | 42.2 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Laps | Unavailable |
| Surface | 100% urban tarmac through Rennes city streets | Unavailable |
| Elevation character | Gently Rolling | Unavailable |
| Terrain | Road | Unavailable |
| Scenery | City, Historic, Riverside | City, Historic, Riverside |
| Atmosphere | Big City, Festival, Community | Big City, Festival, Community |
| Technicality | Non Technical | Unavailable |
| Total ascent | 192 m | 56 m |
| Climbing density | 4.6 m/km | 5.6 m/km |
| Total descent | 191 m | 55 m |
| Net elevation | 1 m | 1 m |
| Max absolute grade | 7.8% | 7.2% |
| Flat grade share | 85.6% | 80.6% |
| GAP factor | 0.3% | 0.5% |
| Field cap | 5,500 | 5,500 |
| Entry model | Open | Open |
Schedule
- Marathon Vert Rennes
Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date).
- Marathon Vert Rennes 10K
Exact race date not confirmed. Event weekend starts 2026-10-17 (legacy event-level date).
Location
- Marathon Vert Rennes
- Rennes, France
- Marathon Vert Rennes 10K
- Rennes, France
Actual distance
- Marathon Vert Rennes
- 42.2 km
- Marathon Vert Rennes 10K
- 10 km
raceindex.org mapped route held
- Marathon Vert Rennes
- Held
- Marathon Vert Rennes 10K
- Held
raceindex.org elevation profile held
- Marathon Vert Rennes
- Held
- Marathon Vert Rennes 10K
- Held
Course type
- Marathon Vert Rennes
- Laps
- Marathon Vert Rennes 10K
- Unavailable
Surface
- Marathon Vert Rennes
- 100% urban tarmac through Rennes city streets
- Marathon Vert Rennes 10K
- Unavailable
Elevation character
- Marathon Vert Rennes
- Gently Rolling
- Marathon Vert Rennes 10K
- Unavailable
Terrain
- Marathon Vert Rennes
- Road
- Marathon Vert Rennes 10K
- Unavailable
Scenery
- Marathon Vert Rennes
- City, Historic, Riverside
- Marathon Vert Rennes 10K
- City, Historic, Riverside
Atmosphere
- Marathon Vert Rennes
- Big City, Festival, Community
- Marathon Vert Rennes 10K
- Big City, Festival, Community
Technicality
- Marathon Vert Rennes
- Non Technical
- Marathon Vert Rennes 10K
- Unavailable
Total ascent
- Marathon Vert Rennes
- 192 m
- Marathon Vert Rennes 10K
- 56 m
Climbing density
- Marathon Vert Rennes
- 4.6 m/km
- Marathon Vert Rennes 10K
- 5.6 m/km
Total descent
- Marathon Vert Rennes
- 191 m
- Marathon Vert Rennes 10K
- 55 m
Net elevation
- Marathon Vert Rennes
- 1 m
- Marathon Vert Rennes 10K
- 1 m
Max absolute grade
- Marathon Vert Rennes
- 7.8%
- Marathon Vert Rennes 10K
- 7.2%
Flat grade share
- Marathon Vert Rennes
- 85.6%
- Marathon Vert Rennes 10K
- 80.6%
GAP factor
- Marathon Vert Rennes
- 0.3%
- Marathon Vert Rennes 10K
- 0.5%
Field cap
- Marathon Vert Rennes
- 5,500
- Marathon Vert Rennes 10K
- 5,500
Entry model
- Marathon Vert Rennes
- Open
- Marathon Vert Rennes 10K
- 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, Marathon Vert Rennes or Marathon Vert Rennes 10K?
Marathon Vert Rennes has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.