Flat grade share
- Middlebury Maple Run Half Marathon
- 59.2% Favoured
Adamant Half Marathon vs Middlebury Maple Run Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofAdamant Half Marathon or Middlebury Maple Run Half Marathon — which comes out ahead?
Middlebury Maple Run Half Marathon has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Adamant Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 3.6%
- flat grade share
- 31.1%
- lower ascent
- 459 m
- climbing density
- 21.8 m/km
- net elevation
- -13 m
- maximum grade
- 15.6%
Middlebury Maple Run Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.9% Favoured
- flat grade share
- 59.2% Favoured
- lower ascent
- 213 m
- climbing density
- 10.1 m/km
- net elevation
- -0 m
- maximum grade
- 15.6%
| Metric | Adamant Half Marathon | Middlebury Maple Run Half Marathon |
|---|---|---|
| Flat grade share | 31.1% | 59.2% ✓ |
| GAP factor (% slower than flat) | 3.6% | 0.9% ✓ |
| Uphill share | 34.2% | 21.2% |
| Steep-up share | 16.4% | 1.3% |
| Downhill share | 34.7% | 19.6% |
| Total ascent (m) | 459 m | 213 m |
| Climbing density (m/km) | 21.8 m/km | 10.1 m/km |
| Longest climb length (m) | 1,260 m | 800 m |
| Longest climb gain (m) | 84 m | 25 m |
| Longest climb average grade | 6.7% | 3.1% |
| Total descent (m) | 472 m | 213 m |
| Net elevation (m) | -13 m | -0 m |
| Max absolute grade | 15.6% | 15.6% |
| Start elevation (m) | 343 m | 121 m |
| Finish elevation (m) | 330 m | 121 m |
| Scenic score | 57/100 | 83/100 ✓ |
| Conditions | 91/100 ✓ | 89/100 |
GAP factor (% slower than flat)
- Middlebury Maple Run Half Marathon
- 0.9% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Adamant Half Marathon
- 21.8 m/km
- Middlebury Maple Run Half Marathon
- 10.1 m/km
Longest climb length (m)
- Adamant Half Marathon
- 1,260 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
- Adamant Half Marathon
- 57/100
- Middlebury Maple Run Half Marathon
- 83/100 Favoured
Conditions
- Adamant Half Marathon
- 91/100 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 | Adamant Half Marathon | Middlebury Maple Run Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-18 (legacy event-level date). |
| Location | Adamant, Vermont | Middlebury, Vermont |
| Actual distance | 21.1 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Loop |
| Surface | 90% dirt roads | Mix of trail, paved roads, and dirt/gravel roads |
| Elevation character | Hilly | Rolling |
| Terrain | Road, Gravel | Mixed |
| Scenery | Waterfront, Countryside, Lakeside | Countryside, Mountain, Parkland, Forest |
| Atmosphere | Community, Scenic Tour | Community, Scenic Tour, Festival |
| Technicality | Moderate | Moderate |
| Total ascent | 459 m | 213 m |
| Climbing density | 21.8 m/km | 10.1 m/km |
| Total descent | 472 m | 213 m |
| Net elevation | -13 m | -0 m |
| Max absolute grade | 15.6% | 15.6% |
| Flat grade share | 31.1% | 59.2% |
| GAP factor | 3.6% | 0.9% |
| Cutoff | 3:00:00 | Unavailable |
| Entry model | Open | Open |
Schedule
- Adamant Half Marathon
Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date).
- Middlebury Maple Run Half Marathon
Exact race date not confirmed. Event weekend starts 2026-10-18 (legacy event-level date).
Location
- Adamant Half Marathon
- Adamant, Vermont
- Middlebury Maple Run Half Marathon
- Middlebury, Vermont
Actual distance
- Adamant Half Marathon
- 21.1 km
- Middlebury Maple Run Half Marathon
- 21.1 km
raceindex.org mapped route held
- Adamant Half Marathon
- Held
- Middlebury Maple Run Half Marathon
- Held
raceindex.org elevation profile held
- Adamant Half Marathon
- Held
- Middlebury Maple Run Half Marathon
- Held
Course type
- Adamant Half Marathon
- Loop
- Middlebury Maple Run Half Marathon
- Loop
Surface
- Adamant Half Marathon
- 90% dirt roads
- Middlebury Maple Run Half Marathon
- Mix of trail, paved roads, and dirt/gravel roads
Elevation character
- Adamant Half Marathon
- Hilly
- Middlebury Maple Run Half Marathon
- Rolling
Terrain
- Adamant Half Marathon
- Road, Gravel
- Middlebury Maple Run Half Marathon
- Mixed
Scenery
- Adamant Half Marathon
- Waterfront, Countryside, Lakeside
- Middlebury Maple Run Half Marathon
- Countryside, Mountain, Parkland, Forest
Atmosphere
- Adamant Half Marathon
- Community, Scenic Tour
- Middlebury Maple Run Half Marathon
- Community, Scenic Tour, Festival
Technicality
- Adamant Half Marathon
- Moderate
- Middlebury Maple Run Half Marathon
- Moderate
Total ascent
- Adamant Half Marathon
- 459 m
- Middlebury Maple Run Half Marathon
- 213 m
Climbing density
- Adamant Half Marathon
- 21.8 m/km
- Middlebury Maple Run Half Marathon
- 10.1 m/km
Total descent
- Adamant Half Marathon
- 472 m
- Middlebury Maple Run Half Marathon
- 213 m
Net elevation
- Adamant Half Marathon
- -13 m
- Middlebury Maple Run Half Marathon
- -0 m
Max absolute grade
- Adamant Half Marathon
- 15.6%
- Middlebury Maple Run Half Marathon
- 15.6%
Flat grade share
- Adamant Half Marathon
- 31.1%
- Middlebury Maple Run Half Marathon
- 59.2%
GAP factor
- Adamant Half Marathon
- 3.6%
- Middlebury Maple Run Half Marathon
- 0.9%
Cutoff
- Adamant Half Marathon
- 3:00:00
- Middlebury Maple Run Half Marathon
- Unavailable
Entry model
- Adamant Half Marathon
- Open
- Middlebury Maple Run Half Marathon
- 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, Adamant Half Marathon or Middlebury Maple Run Half Marathon?
Middlebury Maple Run Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.