Flat grade share
- Montana Marathon (Billings) 10K
- 87.8% Favoured
Montana Marathon (Billings) 10K vs Bozeman Half Marathon & 10K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofMontana Marathon (Billings) 10K or Bozeman Half Marathon & 10K — which comes out ahead?
Bozeman Half Marathon & 10K has the stronger available profile on course flatness, scenery score and conditions.
Route comparison snapshot
Montana Marathon (Billings) 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -2.6%
- flat grade share
- 87.8% Favoured
- lower ascent
- 13 m
- climbing density
- 1.3 m/km
- net elevation
- -51 m
- maximum grade
- 4.0%
Bozeman Half Marathon & 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -5.3% Favoured
- flat grade share
- 78.8%
- lower ascent
- 17 m
- climbing density
- 1.7 m/km
- net elevation
- -104 m
- maximum grade
- 4.0%
| Metric | Montana Marathon (Billings) 10K | Bozeman Half Marathon & 10K |
|---|---|---|
| Flat grade share | 87.8% ✓ | 78.8% |
| GAP factor (% slower than flat) | -2.6% | -5.3% ✓ |
| Uphill share | 3.9% | 4.4% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 8.2% | 16.7% |
| Total ascent (m) | 13 m | 17 m |
| Climbing density (m/km) | 1.3 m/km | 1.7 m/km |
| Longest climb length (m) | 510 m | 390 m |
| Longest climb gain (m) | 12 m | 9 m |
| Longest climb average grade | 2.3% | 2.3% |
| Total descent (m) | 64 m | 121 m |
| Net elevation (m) | -51 m | -104 m |
| Max absolute grade | 4.0% | 4.0% |
| Start elevation (m) | 1,010 m | 1,586 m |
| Finish elevation (m) | 959 m | 1,482 m |
| Scenic score | 88/100 | 100/100 ✓ |
| Conditions | 71/100 | 86/100 ✓ |
GAP factor (% slower than flat)
- Bozeman Half Marathon & 10K
- -5.3% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Montana Marathon (Billings) 10K
- 1.3 m/km
- Bozeman Half Marathon & 10K
- 1.7 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)
- Bozeman Half Marathon & 10K
- 1,586 m
Finish elevation (m)
- Bozeman Half Marathon & 10K
- 1,482 m
Scenic score
- Bozeman Half Marathon & 10K
- 100/100 Favoured
Conditions
- Bozeman Half Marathon & 10K
- 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 | Montana Marathon (Billings) 10K | Bozeman Half Marathon & 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date). |
| Location | Billings, Montana | Bozeman, Montana |
| Actual distance | 10 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Point To Point |
| Terrain | Unavailable | Road |
| Scenery | Waterfront, Parkland, Countryside, Mountain, Canyon, City | Mountain, City, Historic, Waterfront, Countryside, Forest, Riverside |
| Atmosphere | Unavailable | Scenic Tour, Destination, Community |
| Total ascent | 13 m | 17 m |
| Climbing density | 1.3 m/km | 1.7 m/km |
| Total descent | 64 m | 121 m |
| Net elevation | -51 m | -104 m |
| Max absolute grade | 4.0% | 4.0% |
| Flat grade share | 87.8% | 78.8% |
| GAP factor | -2.6% | -5.3% |
| Entry model | Open | Open |
Schedule
- Montana Marathon (Billings) 10K
Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).
- Bozeman Half Marathon & 10K
Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date).
Location
- Montana Marathon (Billings) 10K
- Billings, Montana
- Bozeman Half Marathon & 10K
- Bozeman, Montana
Actual distance
- Montana Marathon (Billings) 10K
- 10 km
- Bozeman Half Marathon & 10K
- 10 km
raceindex.org mapped route held
- Montana Marathon (Billings) 10K
- Held
- Bozeman Half Marathon & 10K
- Held
raceindex.org elevation profile held
- Montana Marathon (Billings) 10K
- Held
- Bozeman Half Marathon & 10K
- Held
Course type
- Montana Marathon (Billings) 10K
- Unavailable
- Bozeman Half Marathon & 10K
- Point To Point
Terrain
- Montana Marathon (Billings) 10K
- Unavailable
- Bozeman Half Marathon & 10K
- Road
Scenery
- Montana Marathon (Billings) 10K
- Waterfront, Parkland, Countryside, Mountain, Canyon, City
- Bozeman Half Marathon & 10K
- Mountain, City, Historic, Waterfront, Countryside, Forest, Riverside
Atmosphere
- Montana Marathon (Billings) 10K
- Unavailable
- Bozeman Half Marathon & 10K
- Scenic Tour, Destination, Community
Total ascent
- Montana Marathon (Billings) 10K
- 13 m
- Bozeman Half Marathon & 10K
- 17 m
Climbing density
- Montana Marathon (Billings) 10K
- 1.3 m/km
- Bozeman Half Marathon & 10K
- 1.7 m/km
Total descent
- Montana Marathon (Billings) 10K
- 64 m
- Bozeman Half Marathon & 10K
- 121 m
Net elevation
- Montana Marathon (Billings) 10K
- -51 m
- Bozeman Half Marathon & 10K
- -104 m
Max absolute grade
- Montana Marathon (Billings) 10K
- 4.0%
- Bozeman Half Marathon & 10K
- 4.0%
Flat grade share
- Montana Marathon (Billings) 10K
- 87.8%
- Bozeman Half Marathon & 10K
- 78.8%
GAP factor
- Montana Marathon (Billings) 10K
- -2.6%
- Bozeman Half Marathon & 10K
- -5.3%
Entry model
- Montana Marathon (Billings) 10K
- Open
- Bozeman Half Marathon & 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, Montana Marathon (Billings) 10K or Bozeman Half Marathon & 10K?
Bozeman Half Marathon & 10K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.