Flat grade share
- Brain Freezer 5K (Burlington)
- 74.6% Favoured
Brain Freezer 5K (Burlington) vs Middlebury Maple Run 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofBrain Freezer 5K (Burlington) or Middlebury Maple Run 5K — which comes out ahead?
Brain Freezer 5K (Burlington) has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Brain Freezer 5K (Burlington)
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.4% Favoured
- flat grade share
- 74.6% Favoured
- lower ascent
- 30 m
- climbing density
- 6.0 m/km
- net elevation
- -0 m
- maximum grade
- 5.4%
Middlebury Maple Run 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.5%
- flat grade share
- 53.9%
- lower ascent
- 63 m
- climbing density
- 12.5 m/km
- net elevation
- -0 m
- maximum grade
- 10.8%
| Metric | Brain Freezer 5K (Burlington) | Middlebury Maple Run 5K |
|---|---|---|
| Flat grade share | 74.6% ✓ | 53.9% |
| GAP factor (% slower than flat) | 0.4% ✓ | 1.5% |
| Uphill share | 13.3% | 27.4% |
| Steep-up share | 0.0% | 3.0% |
| Downhill share | 12.1% | 18.7% |
| Total ascent (m) | 30 m | 63 m |
| Climbing density (m/km) | 6.0 m/km | 12.5 m/km |
| Longest climb length (m) | 450 m | 430 m |
| Longest climb gain (m) | 6 m | 20 m |
| Longest climb average grade | 1.4% | 4.8% |
| Total descent (m) | 30 m | 63 m |
| Net elevation (m) | -0 m | -0 m |
| Max absolute grade | 5.4% | 10.8% |
| Start elevation (m) | 28 m | 121 m |
| Finish elevation (m) | 28 m | 121 m |
| Scenic score | 88/100 ✓ | 68/100 |
| Conditions | 67/100 | 89/100 ✓ |
GAP factor (% slower than flat)
- Brain Freezer 5K (Burlington)
- 0.4% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Brain Freezer 5K (Burlington)
- 6.0 m/km
- Middlebury Maple Run 5K
- 12.5 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
- Brain Freezer 5K (Burlington)
- 88/100 Favoured
- Middlebury Maple Run 5K
- 68/100
Conditions
- Middlebury Maple Run 5K
- 89/100 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 | Brain Freezer 5K (Burlington) | Middlebury Maple Run 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-18 (legacy event-level date). |
| Location | Burlington, Vermont | Middlebury, Vermont |
| Actual distance | 5 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Out And Back | Loop |
| Surface | Paved bike path | Gravel road sections, athletic fields, and wooded trail |
| Elevation character | Flat | Unavailable |
| Terrain | Mixed, Trail, Beach | Unavailable |
| Scenery | Lakeside, Parkland, City, Coastal, Waterfront | Countryside, Mountain, Parkland, Forest |
| Atmosphere | Charity, Festival, Community | Community, Scenic Tour, Festival |
| Technicality | Non Technical | Unavailable |
| Total ascent | 30 m | 63 m |
| Climbing density | 6.0 m/km | 12.5 m/km |
| Total descent | 30 m | 63 m |
| Net elevation | -0 m | -0 m |
| Max absolute grade | 5.4% | 10.8% |
| Flat grade share | 74.6% | 53.9% |
| GAP factor | 0.4% | 1.5% |
| Entry model | Open | Open |
Schedule
- Brain Freezer 5K (Burlington)
Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date).
- Middlebury Maple Run 5K
Exact race date not confirmed. Event weekend starts 2026-10-18 (legacy event-level date).
Location
- Brain Freezer 5K (Burlington)
- Burlington, Vermont
- Middlebury Maple Run 5K
- Middlebury, Vermont
Actual distance
- Brain Freezer 5K (Burlington)
- 5 km
- Middlebury Maple Run 5K
- 5 km
raceindex.org mapped route held
- Brain Freezer 5K (Burlington)
- Held
- Middlebury Maple Run 5K
- Held
raceindex.org elevation profile held
- Brain Freezer 5K (Burlington)
- Held
- Middlebury Maple Run 5K
- Held
Course type
- Brain Freezer 5K (Burlington)
- Out And Back
- Middlebury Maple Run 5K
- Loop
Surface
- Brain Freezer 5K (Burlington)
- Paved bike path
- Middlebury Maple Run 5K
- Gravel road sections, athletic fields, and wooded trail
Elevation character
- Brain Freezer 5K (Burlington)
- Flat
- Middlebury Maple Run 5K
- Unavailable
Terrain
- Brain Freezer 5K (Burlington)
- Mixed, Trail, Beach
- Middlebury Maple Run 5K
- Unavailable
Scenery
- Brain Freezer 5K (Burlington)
- Lakeside, Parkland, City, Coastal, Waterfront
- Middlebury Maple Run 5K
- Countryside, Mountain, Parkland, Forest
Atmosphere
- Brain Freezer 5K (Burlington)
- Charity, Festival, Community
- Middlebury Maple Run 5K
- Community, Scenic Tour, Festival
Technicality
- Brain Freezer 5K (Burlington)
- Non Technical
- Middlebury Maple Run 5K
- Unavailable
Total ascent
- Brain Freezer 5K (Burlington)
- 30 m
- Middlebury Maple Run 5K
- 63 m
Climbing density
- Brain Freezer 5K (Burlington)
- 6.0 m/km
- Middlebury Maple Run 5K
- 12.5 m/km
Total descent
- Brain Freezer 5K (Burlington)
- 30 m
- Middlebury Maple Run 5K
- 63 m
Net elevation
- Brain Freezer 5K (Burlington)
- -0 m
- Middlebury Maple Run 5K
- -0 m
Max absolute grade
- Brain Freezer 5K (Burlington)
- 5.4%
- Middlebury Maple Run 5K
- 10.8%
Flat grade share
- Brain Freezer 5K (Burlington)
- 74.6%
- Middlebury Maple Run 5K
- 53.9%
GAP factor
- Brain Freezer 5K (Burlington)
- 0.4%
- Middlebury Maple Run 5K
- 1.5%
Entry model
- Brain Freezer 5K (Burlington)
- Open
- Middlebury Maple Run 5K
- 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, Brain Freezer 5K (Burlington) or Middlebury Maple Run 5K?
Brain Freezer 5K (Burlington) has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.