Flat grade share
- Athens Marathon. The Authentic 10K
- 73.1% Favoured
Athens Marathon. The Authentic 10K vs Zagori Mountain Running (ZMR) 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 Zagori Mountain Running (ZMR) 10K — which comes out ahead?
Athens Marathon. The Authentic 10K has the stronger available profile on flat grade share, course flatness and conditions.
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%
Zagori Mountain Running (ZMR) 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 21.3%
- flat grade share
- 11.1%
- lower ascent
- 447 m
- climbing density
- 44.7 m/km
- net elevation
- 12 m
- maximum grade
- 36.4%
| Metric | Athens Marathon. The Authentic 10K | Zagori Mountain Running (ZMR) 10K |
|---|---|---|
| Flat grade share | 73.1% ✓ | 11.1% |
| GAP factor (% slower than flat) | 0.2% ✓ | 21.3% |
| Uphill share | 14.5% | 45.3% |
| Steep-up share | 0.0% | 30.9% |
| Downhill share | 12.4% | 43.6% |
| Total ascent (m) | 79 m | 447 m |
| Climbing density (m/km) | 7.9 m/km | 44.7 m/km |
| Longest climb length (m) | 2,130 m | 1,340 m |
| Longest climb gain (m) | 35 m | 188 m |
| Longest climb average grade | 1.6% | 14.0% |
| Total descent (m) | 83 m | 435 m |
| Net elevation (m) | -4 m | 12 m |
| Max absolute grade | 4.4% | 36.4% |
| Start elevation (m) | 99 m | 1,050 m |
| Finish elevation (m) | 96 m | 1,062 m |
| Scenic score | 57/100 | 100/100 ✓ |
| Conditions | 80/100 ✓ | 59/100 |
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)
- Zagori Mountain Running (ZMR) 10K
- 44.7 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
- Zagori Mountain Running (ZMR) 10K
- 100/100 Favoured
Conditions
- Athens Marathon. The Authentic 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 | Zagori Mountain Running (ZMR) 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 2026-07-17 (legacy event-level date). |
| Location | Athens, Greece | Tsepelovo, Zagori, Ioannina, Greece |
| Actual distance | 10 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Scenery | City, Historic, Coastal, Countryside | Forest, Canyon, Countryside, Mountain, Lakeside, Historic, Riverside |
| Atmosphere | Destination, Big City, Competitive | Destination, Wilderness, Scenic Tour |
| Total ascent | 79 m | 447 m |
| Climbing density | 7.9 m/km | 44.7 m/km |
| Total descent | 83 m | 435 m |
| Net elevation | -4 m | 12 m |
| Max absolute grade | 4.4% | 36.4% |
| Flat grade share | 73.1% | 11.1% |
| GAP factor | 0.2% | 21.3% |
| Cutoff | 1:30:00 | Unavailable |
| Field cap | Unavailable | 500 |
| 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).
- Zagori Mountain Running (ZMR) 10K
Exact race date not confirmed. Event weekend starts 2026-07-17 (legacy event-level date).
Location
- Athens Marathon. The Authentic 10K
- Athens, Greece
- Zagori Mountain Running (ZMR) 10K
- Tsepelovo, Zagori, Ioannina, Greece
Actual distance
- Athens Marathon. The Authentic 10K
- 10 km
- Zagori Mountain Running (ZMR) 10K
- 10 km
raceindex.org mapped route held
- Athens Marathon. The Authentic 10K
- Held
- Zagori Mountain Running (ZMR) 10K
- Held
raceindex.org elevation profile held
- Athens Marathon. The Authentic 10K
- Held
- Zagori Mountain Running (ZMR) 10K
- Held
Scenery
- Athens Marathon. The Authentic 10K
- City, Historic, Coastal, Countryside
- Zagori Mountain Running (ZMR) 10K
- Forest, Canyon, Countryside, Mountain, Lakeside, Historic, Riverside
Atmosphere
- Athens Marathon. The Authentic 10K
- Destination, Big City, Competitive
- Zagori Mountain Running (ZMR) 10K
- Destination, Wilderness, Scenic Tour
Total ascent
- Athens Marathon. The Authentic 10K
- 79 m
- Zagori Mountain Running (ZMR) 10K
- 447 m
Climbing density
- Athens Marathon. The Authentic 10K
- 7.9 m/km
- Zagori Mountain Running (ZMR) 10K
- 44.7 m/km
Total descent
- Athens Marathon. The Authentic 10K
- 83 m
- Zagori Mountain Running (ZMR) 10K
- 435 m
Net elevation
- Athens Marathon. The Authentic 10K
- -4 m
- Zagori Mountain Running (ZMR) 10K
- 12 m
Max absolute grade
- Athens Marathon. The Authentic 10K
- 4.4%
- Zagori Mountain Running (ZMR) 10K
- 36.4%
Flat grade share
- Athens Marathon. The Authentic 10K
- 73.1%
- Zagori Mountain Running (ZMR) 10K
- 11.1%
GAP factor
- Athens Marathon. The Authentic 10K
- 0.2%
- Zagori Mountain Running (ZMR) 10K
- 21.3%
Cutoff
- Athens Marathon. The Authentic 10K
- 1:30:00
- Zagori Mountain Running (ZMR) 10K
- Unavailable
Field cap
- Athens Marathon. The Authentic 10K
- Unavailable
- Zagori Mountain Running (ZMR) 10K
- 500
Entry model
- Athens Marathon. The Authentic 10K
- Open
- Zagori Mountain Running (ZMR) 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 Zagori Mountain Running (ZMR) 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.