Flat grade share
- Garmin New Forest Marathon
- 81.7% Favoured
Garmin New Forest Marathon vs Garmin New Forest Marathon Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofGarmin New Forest Marathon or Garmin New Forest Marathon Half Marathon — which comes out ahead?
Garmin New Forest Marathon and Garmin New Forest Marathon Half Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Garmin New Forest Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3% Favoured
- flat grade share
- 81.7% Favoured
- lower ascent
- 246 m
- climbing density
- 5.8 m/km
- net elevation
- -1 m
- maximum grade
- 5.5%
Garmin New Forest Marathon Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3%
- flat grade share
- 80.7%
- lower ascent
- 122 m
- climbing density
- 5.8 m/km
- net elevation
- 0 m
- maximum grade
- 5.1%
| Metric | Garmin New Forest Marathon | Garmin New Forest Marathon Half Marathon |
|---|---|---|
| Flat grade share | 81.7% ✓ | 80.7% |
| GAP factor (% slower than flat) | 0.3% ✓ | 0.3% |
| Uphill share | 9.2% | 9.5% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 9.1% | 9.7% |
| Total ascent (m) | 246 m | 122 m |
| Climbing density (m/km) | 5.8 m/km | 5.8 m/km |
| Longest climb length (m) | 1,270 m | 1,300 m |
| Longest climb gain (m) | 27 m | 24 m |
| Longest climb average grade | 2.1% | 1.8% |
| Total descent (m) | 247 m | 122 m |
| Net elevation (m) | -1 m | 0 m |
| Max absolute grade | 5.5% | 5.1% |
| Start elevation (m) | 22 m | 21 m |
| Finish elevation (m) | 21 m | 21 m |
| Value | 77/100 | 80/100 ✓ |
| Scenic score | 100/100 ✓ | 75/100 |
| Conditions | 67/100 | 67/100 |
| Entry fee (GBP) | £69 | £54 ✓ |
| Lowest modelled true cost (GBP) | £199 | £184 ✓ |
GAP factor (% slower than flat)
- Garmin New Forest Marathon
- 0.3% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Garmin New Forest Marathon
- 5.8 m/km
Longest climb length (m)
- Garmin New Forest Marathon
- 1,270 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Value
- Garmin New Forest Marathon Half Marathon
- 80/100 Favoured
Scenic score
- Garmin New Forest Marathon
- 100/100 Favoured
Conditions
Entry fee (GBP)
- Garmin New Forest Marathon Half Marathon
- £54 Favoured
Lowest modelled true cost (GBP)
- Garmin New Forest Marathon Half Marathon
- £184 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.
Same-distance comparisons are most meaningful; cross-distance metrics are contextual.
Race facts that change the decision
| Fact | Garmin New Forest Marathon | Garmin New Forest Marathon Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date). |
| Location | Brockenhurst, South East | Brockenhurst, South East |
| Actual distance | 42.2 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Surface | Multi Terrain: compact gravel forest tracks, trail sections and tarmac roads. | Multi Terrain: compact gravel forest tracks with open tarmac roads. |
| Elevation character | Flat | Unavailable |
| Terrain | Mixed, Gravel | Unavailable |
| Scenery | Coastal, Forest, Historic, Countryside, Moorland, Parkland | Countryside, Forest, Parkland, Moorland |
| Atmosphere | Scenic Tour, Festival | Scenic Tour, Festival |
| Technicality | Moderate | Unavailable |
| Total ascent | 246 m | 122 m |
| Climbing density | 5.8 m/km | 5.8 m/km |
| Total descent | 247 m | 122 m |
| Net elevation | -1 m | 0 m |
| Max absolute grade | 5.5% | 5.1% |
| Flat grade share | 81.7% | 80.7% |
| GAP factor | 0.3% | 0.3% |
| Entry model | Open | Open |
| Entry fee | £69 | £54 |
| Lowest modelled true cost | £199 | £184 |
| Cost model origin | National Average | National Average |
Schedule
- Garmin New Forest Marathon
Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date).
- Garmin New Forest Marathon Half Marathon
Exact race date not confirmed. Event weekend starts 2026-09-13 (legacy event-level date).
Location
- Garmin New Forest Marathon
- Brockenhurst, South East
- Garmin New Forest Marathon Half Marathon
- Brockenhurst, South East
Actual distance
- Garmin New Forest Marathon
- 42.2 km
- Garmin New Forest Marathon Half Marathon
- 21.1 km
raceindex.org mapped route held
- Garmin New Forest Marathon
- Held
- Garmin New Forest Marathon Half Marathon
- Held
raceindex.org elevation profile held
- Garmin New Forest Marathon
- Held
- Garmin New Forest Marathon Half Marathon
- Held
Surface
- Garmin New Forest Marathon
- Multi Terrain: compact gravel forest tracks, trail sections and tarmac roads.
- Garmin New Forest Marathon Half Marathon
- Multi Terrain: compact gravel forest tracks with open tarmac roads.
Elevation character
- Garmin New Forest Marathon
- Flat
- Garmin New Forest Marathon Half Marathon
- Unavailable
Terrain
- Garmin New Forest Marathon
- Mixed, Gravel
- Garmin New Forest Marathon Half Marathon
- Unavailable
Scenery
- Garmin New Forest Marathon
- Coastal, Forest, Historic, Countryside, Moorland, Parkland
- Garmin New Forest Marathon Half Marathon
- Countryside, Forest, Parkland, Moorland
Atmosphere
- Garmin New Forest Marathon
- Scenic Tour, Festival
- Garmin New Forest Marathon Half Marathon
- Scenic Tour, Festival
Technicality
- Garmin New Forest Marathon
- Moderate
- Garmin New Forest Marathon Half Marathon
- Unavailable
Total ascent
- Garmin New Forest Marathon
- 246 m
- Garmin New Forest Marathon Half Marathon
- 122 m
Climbing density
- Garmin New Forest Marathon
- 5.8 m/km
- Garmin New Forest Marathon Half Marathon
- 5.8 m/km
Total descent
- Garmin New Forest Marathon
- 247 m
- Garmin New Forest Marathon Half Marathon
- 122 m
Net elevation
- Garmin New Forest Marathon
- -1 m
- Garmin New Forest Marathon Half Marathon
- 0 m
Max absolute grade
- Garmin New Forest Marathon
- 5.5%
- Garmin New Forest Marathon Half Marathon
- 5.1%
Flat grade share
- Garmin New Forest Marathon
- 81.7%
- Garmin New Forest Marathon Half Marathon
- 80.7%
GAP factor
- Garmin New Forest Marathon
- 0.3%
- Garmin New Forest Marathon Half Marathon
- 0.3%
Entry model
- Garmin New Forest Marathon
- Open
- Garmin New Forest Marathon Half Marathon
- Open
Entry fee
- Garmin New Forest Marathon
- £69
- Garmin New Forest Marathon Half Marathon
- £54
Lowest modelled true cost
- Garmin New Forest Marathon
- £199
- Garmin New Forest Marathon Half Marathon
- £184
Cost model origin
- Garmin New Forest Marathon
- National Average
- Garmin New Forest Marathon Half Marathon
- National Average
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, Garmin New Forest Marathon or Garmin New Forest Marathon Half Marathon?
Garmin New Forest Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.