Flat grade share
- Athens Marathon. The Authentic 10K
- 73.1% Favoured
Athens Marathon. The Authentic 10K vs TARC Stone Cat Trail Festival 10K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofAthens Marathon. The Authentic 10K or TARC Stone Cat Trail Festival 10K — which comes out ahead?
Athens Marathon. The Authentic 10K and TARC Stone Cat Trail Festival 10K split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Athens Marathon. The Authentic 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 73.1% Favoured
- lower ascent
- 79 m
- climbing density
- 7.9 m/km
- net elevation
- -4 m
- maximum grade
- 4.4%
TARC Stone Cat Trail Festival 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 2.3%
- flat grade share
- 46.7%
- lower ascent
- 155 m
- climbing density
- 15.5 m/km
- net elevation
- 0 m
- maximum grade
- 17.5%
| Metric | Athens Marathon. The Authentic 10K | TARC Stone Cat Trail Festival 10K |
|---|---|---|
| Flat grade share | 73.1% ✓ | 46.7% |
| GAP factor (% slower than flat) | 0.2% ✓ | 2.3% |
| Uphill share | 14.5% | 27.1% |
| Steep-up share | 0.0% | 8.0% |
| Downhill share | 12.4% | 26.2% |
| Total ascent (m) | 79 m | 155 m |
| Climbing density (m/km) | 7.9 m/km | 15.5 m/km |
| Longest climb length (m) | 2,130 m | 560 m |
| Longest climb gain (m) | 35 m | 23 m |
| Longest climb average grade | 1.6% | 4.1% |
| Total descent (m) | 83 m | 155 m |
| Net elevation (m) | -4 m | 0 m |
| Max absolute grade | 4.4% | 17.5% |
| Start elevation (m) | 99 m | 16 m |
| Finish elevation (m) | 96 m | 16 m |
| Scenic score | 57/100 | 100/100 ✓ |
| Conditions | 80/100 | 80/100 ✓ |
GAP factor (% slower than flat)
- Athens Marathon. The Authentic 10K
- 0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- TARC Stone Cat Trail Festival 10K
- 15.5 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
- TARC Stone Cat Trail Festival 10K
- 100/100 Favoured
Conditions
- TARC Stone Cat Trail Festival 10K
- 80/100 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 | Athens Marathon. The Authentic 10K | TARC Stone Cat Trail Festival 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-11-07 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-11-07 (legacy event-level date). |
| Location | Athens, Greece | Ipswich, Massachusetts |
| Actual distance | 10 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Laps |
| Surface | Unavailable | Trail a mix of double track and single track with roots and rocks throughout, on a 12.5 Mile loop. |
| Terrain | Unavailable | Trail |
| Scenery | City, Historic, Coastal, Countryside | Parkland, Coastal, Forest, Mountain, Waterfront, Riverside |
| Atmosphere | Destination, Big City, Competitive | Community, Festival |
| Total ascent | 79 m | 155 m |
| Climbing density | 7.9 m/km | 15.5 m/km |
| Total descent | 83 m | 155 m |
| Net elevation | -4 m | 0 m |
| Max absolute grade | 4.4% | 17.5% |
| Flat grade share | 73.1% | 46.7% |
| GAP factor | 0.2% | 2.3% |
| Cutoff | 1:30:00 | 14:00:00 |
| Entry model | Open | Open |
Schedule
- Athens Marathon. The Authentic 10K
Exact race date not confirmed. Event weekend starts 2026-11-07 (legacy event-level date).
- TARC Stone Cat Trail Festival 10K
Exact race date not confirmed. Event weekend starts 2026-11-07 (legacy event-level date).
Location
- Athens Marathon. The Authentic 10K
- Athens, Greece
- TARC Stone Cat Trail Festival 10K
- Ipswich, Massachusetts
Actual distance
- Athens Marathon. The Authentic 10K
- 10 km
- TARC Stone Cat Trail Festival 10K
- 10 km
raceindex.org mapped route held
- Athens Marathon. The Authentic 10K
- Held
- TARC Stone Cat Trail Festival 10K
- Held
raceindex.org elevation profile held
- Athens Marathon. The Authentic 10K
- Held
- TARC Stone Cat Trail Festival 10K
- Held
Course type
- Athens Marathon. The Authentic 10K
- Unavailable
- TARC Stone Cat Trail Festival 10K
- Laps
Surface
- Athens Marathon. The Authentic 10K
- Unavailable
- TARC Stone Cat Trail Festival 10K
- Trail a mix of double track and single track with roots and rocks throughout, on a 12.5 Mile loop.
Terrain
- Athens Marathon. The Authentic 10K
- Unavailable
- TARC Stone Cat Trail Festival 10K
- Trail
Scenery
- Athens Marathon. The Authentic 10K
- City, Historic, Coastal, Countryside
- TARC Stone Cat Trail Festival 10K
- Parkland, Coastal, Forest, Mountain, Waterfront, Riverside
Atmosphere
- Athens Marathon. The Authentic 10K
- Destination, Big City, Competitive
- TARC Stone Cat Trail Festival 10K
- Community, Festival
Total ascent
- Athens Marathon. The Authentic 10K
- 79 m
- TARC Stone Cat Trail Festival 10K
- 155 m
Climbing density
- Athens Marathon. The Authentic 10K
- 7.9 m/km
- TARC Stone Cat Trail Festival 10K
- 15.5 m/km
Total descent
- Athens Marathon. The Authentic 10K
- 83 m
- TARC Stone Cat Trail Festival 10K
- 155 m
Net elevation
- Athens Marathon. The Authentic 10K
- -4 m
- TARC Stone Cat Trail Festival 10K
- 0 m
Max absolute grade
- Athens Marathon. The Authentic 10K
- 4.4%
- TARC Stone Cat Trail Festival 10K
- 17.5%
Flat grade share
- Athens Marathon. The Authentic 10K
- 73.1%
- TARC Stone Cat Trail Festival 10K
- 46.7%
GAP factor
- Athens Marathon. The Authentic 10K
- 0.2%
- TARC Stone Cat Trail Festival 10K
- 2.3%
Cutoff
- Athens Marathon. The Authentic 10K
- 1:30:00
- TARC Stone Cat Trail Festival 10K
- 14:00:00
Entry model
- Athens Marathon. The Authentic 10K
- Open
- TARC Stone Cat Trail Festival 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, Athens Marathon. The Authentic 10K or TARC Stone Cat Trail Festival 10K?
Athens Marathon. The Authentic 10K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.