Flat grade share
- Montana Marathon (Billings)
- 74.5% Favoured
Reims Champagne Run Marathon vs Montana Marathon (Billings)
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofReims Champagne Run Marathon or Montana Marathon (Billings) — which comes out ahead?
Montana Marathon (Billings) has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Reims Champagne Run Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -0.4%
- flat grade share
- 60.8%
- lower ascent
- 389 m
- climbing density
- 9.3 m/km
- net elevation
- -161 m
- maximum grade
- 17.4%
Montana Marathon (Billings)
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -2.5% Favoured
- flat grade share
- 74.5% Favoured
- lower ascent
- 193 m
- climbing density
- 4.6 m/km
- net elevation
- -253 m
- maximum grade
- 15.6%
| Metric | Reims Champagne Run Marathon | Montana Marathon (Billings) |
|---|---|---|
| Flat grade share | 60.8% | 74.5% ✓ |
| GAP factor (% slower than flat) | -0.4% | -2.5% ✓ |
| Uphill share | 16.7% | 7.2% |
| Steep-up share | 3.5% | 0.5% |
| Downhill share | 22.5% | 18.3% |
| Total ascent (m) | 389 m | 193 m |
| Climbing density (m/km) | 9.3 m/km | 4.6 m/km |
| Longest climb length (m) | 2,250 m | 3,750 m |
| Longest climb gain (m) | 78 m | 39 m |
| Longest climb average grade | 3.5% | 1.0% |
| Total descent (m) | 551 m | 446 m |
| Net elevation (m) | -161 m | -253 m |
| Max absolute grade | 17.4% | 15.6% |
| Start elevation (m) | 249 m | 1,211 m |
| Finish elevation (m) | 88 m | 958 m |
| Scenic score | 73/100 | 97/100 ✓ |
| Conditions | 86/100 ✓ | 71/100 |
GAP factor (% slower than flat)
- Montana Marathon (Billings)
- -2.5% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Reims Champagne Run Marathon
- 9.3 m/km
- Montana Marathon (Billings)
- 4.6 m/km
Longest climb length (m)
- Reims Champagne Run Marathon
- 2,250 m
- Montana Marathon (Billings)
- 3,750 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
- Montana Marathon (Billings)
- 1,211 m
Finish elevation (m)
Scenic score
- Montana Marathon (Billings)
- 97/100 Favoured
Conditions
- Reims Champagne Run Marathon
- 86/100 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 | Reims Champagne Run Marathon | Montana Marathon (Billings) |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-10-10 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date). |
| Location | Reims, France | Billings, Montana |
| Actual distance | 42 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Point To Point |
| Surface | Unavailable | Roads open to traffic. |
| Elevation character | Rolling | Net Downhill |
| Terrain | Trail | Unavailable |
| Scenery | City, Vineyard, Historic, Forest, Countryside | Waterfront, Parkland, Countryside, Mountain, Canyon, City |
| Atmosphere | Festival, Destination, Scenic Tour | Unavailable |
| Technicality | Unavailable | Non Technical |
| Total ascent | 389 m | 193 m |
| Climbing density | 9.3 m/km | 4.6 m/km |
| Total descent | 551 m | 446 m |
| Net elevation | -161 m | -253 m |
| Max absolute grade | 17.4% | 15.6% |
| Flat grade share | 60.8% | 74.5% |
| GAP factor | -0.4% | -2.5% |
| Cutoff | Unavailable | 6:30:00 |
| Entry model | Open | Open |
| Qualifying status | Unavailable | Boston_equivalent |
Schedule
- Reims Champagne Run Marathon
Exact race date not confirmed. Event weekend starts 2026-10-10 (legacy event-level date).
- Montana Marathon (Billings)
Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).
Location
- Reims Champagne Run Marathon
- Reims, France
- Montana Marathon (Billings)
- Billings, Montana
Actual distance
- Reims Champagne Run Marathon
- 42 km
- Montana Marathon (Billings)
- 42.2 km
raceindex.org mapped route held
- Reims Champagne Run Marathon
- Held
- Montana Marathon (Billings)
- Held
raceindex.org elevation profile held
- Reims Champagne Run Marathon
- Held
- Montana Marathon (Billings)
- Held
Course type
- Reims Champagne Run Marathon
- Unavailable
- Montana Marathon (Billings)
- Point To Point
Surface
- Reims Champagne Run Marathon
- Unavailable
- Montana Marathon (Billings)
- Roads open to traffic.
Elevation character
- Reims Champagne Run Marathon
- Rolling
- Montana Marathon (Billings)
- Net Downhill
Terrain
- Reims Champagne Run Marathon
- Trail
- Montana Marathon (Billings)
- Unavailable
Scenery
- Reims Champagne Run Marathon
- City, Vineyard, Historic, Forest, Countryside
- Montana Marathon (Billings)
- Waterfront, Parkland, Countryside, Mountain, Canyon, City
Atmosphere
- Reims Champagne Run Marathon
- Festival, Destination, Scenic Tour
- Montana Marathon (Billings)
- Unavailable
Technicality
- Reims Champagne Run Marathon
- Unavailable
- Montana Marathon (Billings)
- Non Technical
Total ascent
- Reims Champagne Run Marathon
- 389 m
- Montana Marathon (Billings)
- 193 m
Climbing density
- Reims Champagne Run Marathon
- 9.3 m/km
- Montana Marathon (Billings)
- 4.6 m/km
Total descent
- Reims Champagne Run Marathon
- 551 m
- Montana Marathon (Billings)
- 446 m
Net elevation
- Reims Champagne Run Marathon
- -161 m
- Montana Marathon (Billings)
- -253 m
Max absolute grade
- Reims Champagne Run Marathon
- 17.4%
- Montana Marathon (Billings)
- 15.6%
Flat grade share
- Reims Champagne Run Marathon
- 60.8%
- Montana Marathon (Billings)
- 74.5%
GAP factor
- Reims Champagne Run Marathon
- -0.4%
- Montana Marathon (Billings)
- -2.5%
Cutoff
- Reims Champagne Run Marathon
- Unavailable
- Montana Marathon (Billings)
- 6:30:00
Entry model
- Reims Champagne Run Marathon
- Open
- Montana Marathon (Billings)
- Open
Qualifying status
- Reims Champagne Run Marathon
- Unavailable
- Montana Marathon (Billings)
- 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, Reims Champagne Run Marathon or Montana Marathon (Billings)?
Montana Marathon (Billings) has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.