Flat grade share
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 38.9% Favoured
adidas Innsbruck Alpine Trailrun Festival 5 Mile vs Three Forts Challenge 5 Mile
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofadidas Innsbruck Alpine Trailrun Festival 5 Mile or Three Forts Challenge 5 Mile — which comes out ahead?
adidas Innsbruck Alpine Trailrun Festival 5 Mile has the stronger available profile on flat grade share, scenery score and conditions.
Route comparison snapshot
adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 11.6%
- flat grade share
- 38.9% Favoured
- lower ascent
- 278 m
- climbing density
- 33.9 m/km
- net elevation
- 0 m
- maximum grade
- 25.6%
Three Forts Challenge 5 Mile
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 3.6% Favoured
- flat grade share
- 24.1%
- lower ascent
- 172 m
- climbing density
- 21.4 m/km
- net elevation
- 0 m
- maximum grade
- 14.8%
| Metric | adidas Innsbruck Alpine Trailrun Festival 5 Mile | Three Forts Challenge 5 Mile |
|---|---|---|
| Flat grade share | 38.9% ✓ | 24.1% |
| GAP factor (% slower than flat) | 11.6% | 3.6% ✓ |
| Uphill share | 31.5% | 36.0% |
| Steep-up share | 27.7% | 10.5% |
| Downhill share | 29.5% | 39.9% |
| Total ascent (m) | 278 m | 172 m |
| Climbing density (m/km) | 33.9 m/km | 21.4 m/km |
| Longest climb length (m) | 2,010 m | 1,370 m |
| Longest climb gain (m) | 221 m | 82 m |
| Longest climb average grade | 11.0% | 6.0% |
| Total descent (m) | 278 m | 172 m |
| Net elevation (m) | 0 m | 0 m |
| Max absolute grade | 25.6% | 14.8% |
| Start elevation (m) | 574 m | 6 m |
| Finish elevation (m) | 575 m | 6 m |
| Scenic score | 100/100 ✓ | 68/100 |
| Conditions | 82/100 ✓ | 65/100 |
GAP factor (% slower than flat)
- Three Forts Challenge 5 Mile
- 3.6% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Three Forts Challenge 5 Mile
- 21.4 m/km
Longest climb length (m)
- Three Forts Challenge 5 Mile
- 1,370 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
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 100/100 Favoured
Conditions
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 82/100 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 | adidas Innsbruck Alpine Trailrun Festival 5 Mile | Three Forts Challenge 5 Mile |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-05-05 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-05-02 (legacy event-level date). |
| Location | Innsbruck, Austria | Lancing, South East |
| Actual distance | 8.2 km | 8 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Terrain | Trail | Trail |
| Scenery | Mountain, Forest, Countryside, City, Historic, Lakeside | Countryside, Historic, Coastal, Riverside |
| Atmosphere | Festival, Destination, Wilderness | Community, Charity, Scenic Tour |
| Total ascent | 278 m | 172 m |
| Climbing density | 33.9 m/km | 21.4 m/km |
| Total descent | 278 m | 172 m |
| Net elevation | 0 m | 0 m |
| Max absolute grade | 25.6% | 14.8% |
| Flat grade share | 38.9% | 24.1% |
| GAP factor | 11.6% | 3.6% |
| Entry model | Open | Open |
Schedule
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
Exact race date not confirmed. Event weekend starts 2027-05-05 (legacy event-level date).
- Three Forts Challenge 5 Mile
Exact race date not confirmed. Event weekend starts 2027-05-02 (legacy event-level date).
Location
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Innsbruck, Austria
- Three Forts Challenge 5 Mile
- Lancing, South East
Actual distance
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 8.2 km
- Three Forts Challenge 5 Mile
- 8 km
raceindex.org mapped route held
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Held
- Three Forts Challenge 5 Mile
- Held
raceindex.org elevation profile held
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Held
- Three Forts Challenge 5 Mile
- Held
Terrain
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Trail
- Three Forts Challenge 5 Mile
- Trail
Scenery
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Mountain, Forest, Countryside, City, Historic, Lakeside
- Three Forts Challenge 5 Mile
- Countryside, Historic, Coastal, Riverside
Atmosphere
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Festival, Destination, Wilderness
- Three Forts Challenge 5 Mile
- Community, Charity, Scenic Tour
Total ascent
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 278 m
- Three Forts Challenge 5 Mile
- 172 m
Climbing density
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 33.9 m/km
- Three Forts Challenge 5 Mile
- 21.4 m/km
Total descent
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 278 m
- Three Forts Challenge 5 Mile
- 172 m
Net elevation
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 0 m
- Three Forts Challenge 5 Mile
- 0 m
Max absolute grade
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 25.6%
- Three Forts Challenge 5 Mile
- 14.8%
Flat grade share
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 38.9%
- Three Forts Challenge 5 Mile
- 24.1%
GAP factor
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- 11.6%
- Three Forts Challenge 5 Mile
- 3.6%
Entry model
- adidas Innsbruck Alpine Trailrun Festival 5 Mile
- Open
- Three Forts Challenge 5 Mile
- 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, adidas Innsbruck Alpine Trailrun Festival 5 Mile or Three Forts Challenge 5 Mile?
Three Forts Challenge 5 Mile has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.