Flat grade share
- Athens Marathon. The Authentic 5K
- 73.3% Favoured
Athens Marathon. The Authentic 10K vs Athens Marathon. The Authentic 5K
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 Athens Marathon. The Authentic 5K — which comes out ahead?
Athens Marathon. The Authentic 5K has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
Athens Marathon. The Authentic 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2%
- flat grade share
- 73.1%
- lower ascent
- 79 m
- climbing density
- 7.9 m/km
- net elevation
- -4 m
- maximum grade
- 4.4%
Athens Marathon. The Authentic 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -0.2% Favoured
- flat grade share
- 73.3% Favoured
- lower ascent
- 35 m
- climbing density
- 7.1 m/km
- net elevation
- -6 m
- maximum grade
- 4.4%
| Metric | Athens Marathon. The Authentic 10K | Athens Marathon. The Authentic 5K |
|---|---|---|
| Flat grade share | 73.1% | 73.3% ✓ |
| GAP factor (% slower than flat) | 0.2% | -0.2% ✓ |
| Uphill share | 14.5% | 12.2% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 12.4% | 14.5% |
| Total ascent (m) | 79 m | 35 m |
| Climbing density (m/km) | 7.9 m/km | 7.1 m/km |
| Longest climb length (m) | 2,130 m | 730 m |
| Longest climb gain (m) | 35 m | 15 m |
| Longest climb average grade | 1.6% | 2.1% |
| Total descent (m) | 83 m | 41 m |
| Net elevation (m) | -4 m | -6 m |
| Max absolute grade | 4.4% | 4.4% |
| Start elevation (m) | 99 m | 102 m |
| Finish elevation (m) | 96 m | 96 m |
| Scenic score | 57/100 | 57/100 |
| Conditions | 80/100 | 80/100 |
GAP factor (% slower than flat)
- Athens Marathon. The Authentic 5K
- -0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (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
Conditions
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 | Athens Marathon. The Authentic 10K | Athens Marathon. The Authentic 5K |
|---|---|---|
| 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 | Athens, Greece |
| Actual distance | 10 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Scenery | City, Historic, Coastal, Countryside | City, Historic, Coastal, Countryside |
| Atmosphere | Destination, Big City, Competitive | Destination, Big City, Competitive |
| Total ascent | 79 m | 35 m |
| Climbing density | 7.9 m/km | 7.1 m/km |
| Total descent | 83 m | 41 m |
| Net elevation | -4 m | -6 m |
| Max absolute grade | 4.4% | 4.4% |
| Flat grade share | 73.1% | 73.3% |
| GAP factor | 0.2% | -0.2% |
| Cutoff | 1:30:00 | 1:00:00 |
| 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).
- Athens Marathon. The Authentic 5K
Exact race date not confirmed. Event weekend starts 2026-11-07 (legacy event-level date).
Location
- Athens Marathon. The Authentic 10K
- Athens, Greece
- Athens Marathon. The Authentic 5K
- Athens, Greece
Actual distance
- Athens Marathon. The Authentic 10K
- 10 km
- Athens Marathon. The Authentic 5K
- 5 km
raceindex.org mapped route held
- Athens Marathon. The Authentic 10K
- Held
- Athens Marathon. The Authentic 5K
- Held
raceindex.org elevation profile held
- Athens Marathon. The Authentic 10K
- Held
- Athens Marathon. The Authentic 5K
- Held
Scenery
- Athens Marathon. The Authentic 10K
- City, Historic, Coastal, Countryside
- Athens Marathon. The Authentic 5K
- City, Historic, Coastal, Countryside
Atmosphere
- Athens Marathon. The Authentic 10K
- Destination, Big City, Competitive
- Athens Marathon. The Authentic 5K
- Destination, Big City, Competitive
Total ascent
- Athens Marathon. The Authentic 10K
- 79 m
- Athens Marathon. The Authentic 5K
- 35 m
Climbing density
- Athens Marathon. The Authentic 10K
- 7.9 m/km
- Athens Marathon. The Authentic 5K
- 7.1 m/km
Total descent
- Athens Marathon. The Authentic 10K
- 83 m
- Athens Marathon. The Authentic 5K
- 41 m
Net elevation
- Athens Marathon. The Authentic 10K
- -4 m
- Athens Marathon. The Authentic 5K
- -6 m
Max absolute grade
- Athens Marathon. The Authentic 10K
- 4.4%
- Athens Marathon. The Authentic 5K
- 4.4%
Flat grade share
- Athens Marathon. The Authentic 10K
- 73.1%
- Athens Marathon. The Authentic 5K
- 73.3%
GAP factor
- Athens Marathon. The Authentic 10K
- 0.2%
- Athens Marathon. The Authentic 5K
- -0.2%
Cutoff
- Athens Marathon. The Authentic 10K
- 1:30:00
- Athens Marathon. The Authentic 5K
- 1:00:00
Entry model
- Athens Marathon. The Authentic 10K
- Open
- Athens Marathon. The Authentic 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, Athens Marathon. The Authentic 10K or Athens Marathon. The Authentic 5K?
Athens Marathon. The Authentic 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.