Flat grade share
- Ultra Trail Učka 13K
- 20.7% Favoured
Ultra Trail Učka 13K vs Sljemenski Maraton (Zagreb) 14K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofUltra Trail Učka 13K or Sljemenski Maraton (Zagreb) 14K — which comes out ahead?
Ultra Trail Učka 13K has the stronger available profile on flat grade share and scenery score.
Route comparison snapshot
Ultra Trail Učka 13K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 22.6%
- flat grade share
- 20.7% Favoured
- lower ascent
- 609 m
- climbing density
- 46.8 m/km
- net elevation
- -0 m
- maximum grade
- 40.6%
Sljemenski Maraton (Zagreb) 14K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- Unavailable
- flat grade share
- 14.1%
- lower ascent
- 749 m
- climbing density
- 53.5 m/km
- net elevation
- -2 m
- maximum grade
- 54.1%
| Metric | Ultra Trail Učka 13K | Sljemenski Maraton (Zagreb) 14K |
|---|---|---|
| Flat grade share | 20.7% ✓ | 14.1% |
| GAP factor (% slower than flat) | 22.6% | Unavailable |
| Uphill share | 38.2% | 43.0% |
| Steep-up share | 26.9% | 31.5% |
| Downhill share | 41.1% | 42.9% |
| Total ascent (m) | 609 m | 749 m |
| Climbing density (m/km) | 46.8 m/km | 53.5 m/km |
| Longest climb length (m) | 1,760 m | 380 m |
| Longest climb gain (m) | 343 m | 77 m |
| Longest climb average grade | 19.5% | 20.2% |
| Total descent (m) | 608 m | 751 m |
| Net elevation (m) | -0 m | -2 m |
| Max absolute grade | 40.6% | 54.1% |
| Start elevation (m) | 2 m | 1,000 m |
| Finish elevation (m) | 2 m | 998 m |
| Scenic score | 100/100 ✓ | 70/100 |
| Conditions | 63/100 | 75/100 ✓ |
GAP factor (% slower than flat)
- Ultra Trail Učka 13K
- 22.6%
- Sljemenski Maraton (Zagreb) 14K
- Unavailable
Uphill share
- Ultra Trail Učka 13K
- 38.2%
Steep-up share
- Ultra Trail Učka 13K
- 26.9%
Downhill share
- Ultra Trail Učka 13K
- 41.1%
Total ascent (m)
- Ultra Trail Učka 13K
- 609 m
Climbing density (m/km)
- Ultra Trail Učka 13K
- 46.8 m/km
- Sljemenski Maraton (Zagreb) 14K
- 53.5 m/km
Longest climb length (m)
- Ultra Trail Učka 13K
- 1,760 m
Longest climb gain (m)
- Ultra Trail Učka 13K
- 343 m
Longest climb average grade
- Ultra Trail Učka 13K
- 19.5%
Total descent (m)
- Ultra Trail Učka 13K
- 608 m
Net elevation (m)
Max absolute grade
- Ultra Trail Učka 13K
- 40.6%
Start elevation (m)
Finish elevation (m)
Scenic score
- Ultra Trail Učka 13K
- 100/100 Favoured
Conditions
- Ultra Trail Učka 13K
- 63/100
- Sljemenski Maraton (Zagreb) 14K
- 75/100 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 | Ultra Trail Učka 13K | Sljemenski Maraton (Zagreb) 14K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-11 (legacy event-level date). |
| Location | Mošćenička Draga, Croatia | Sljeme, Medvednica, Zagreb, Croatia |
| Actual distance | 13 km | 14 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Laps |
| Surface | Mountain trail with technical and rugged sections through Učka Nature Park | Forest trails and mountain paths (Sjeverna staza broj 44), not road |
| Terrain | Beach | Unavailable |
| Scenery | Coastal, Parkland, Mountain, Island, Forest | Mountain, Forest |
| Atmosphere | Destination, Wilderness, Scenic Tour | Wilderness, Destination |
| Total ascent | 609 m | 749 m |
| Climbing density | 46.8 m/km | 53.5 m/km |
| Total descent | 608 m | 751 m |
| Net elevation | -0 m | -2 m |
| Max absolute grade | 40.6% | 54.1% |
| Flat grade share | 20.7% | 14.1% |
| GAP factor | 22.6% | Unavailable |
| Cutoff | 4:00:00 | Unavailable |
| Field cap | Unavailable | 500 |
| Entry model | Open | Open |
Schedule
- Ultra Trail Učka 13K
Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date).
- Sljemenski Maraton (Zagreb) 14K
Exact race date not confirmed. Event weekend starts 2026-07-11 (legacy event-level date).
Location
- Ultra Trail Učka 13K
- Mošćenička Draga, Croatia
- Sljemenski Maraton (Zagreb) 14K
- Sljeme, Medvednica, Zagreb, Croatia
Actual distance
- Ultra Trail Učka 13K
- 13 km
- Sljemenski Maraton (Zagreb) 14K
- 14 km
raceindex.org mapped route held
- Ultra Trail Učka 13K
- Held
- Sljemenski Maraton (Zagreb) 14K
- Held
raceindex.org elevation profile held
- Ultra Trail Učka 13K
- Held
- Sljemenski Maraton (Zagreb) 14K
- Held
Course type
- Ultra Trail Učka 13K
- Loop
- Sljemenski Maraton (Zagreb) 14K
- Laps
Surface
- Ultra Trail Učka 13K
- Mountain trail with technical and rugged sections through Učka Nature Park
- Sljemenski Maraton (Zagreb) 14K
- Forest trails and mountain paths (Sjeverna staza broj 44), not road
Terrain
- Ultra Trail Učka 13K
- Beach
- Sljemenski Maraton (Zagreb) 14K
- Unavailable
Scenery
- Ultra Trail Učka 13K
- Coastal, Parkland, Mountain, Island, Forest
- Sljemenski Maraton (Zagreb) 14K
- Mountain, Forest
Atmosphere
- Ultra Trail Učka 13K
- Destination, Wilderness, Scenic Tour
- Sljemenski Maraton (Zagreb) 14K
- Wilderness, Destination
Total ascent
- Ultra Trail Učka 13K
- 609 m
- Sljemenski Maraton (Zagreb) 14K
- 749 m
Climbing density
- Ultra Trail Učka 13K
- 46.8 m/km
- Sljemenski Maraton (Zagreb) 14K
- 53.5 m/km
Total descent
- Ultra Trail Učka 13K
- 608 m
- Sljemenski Maraton (Zagreb) 14K
- 751 m
Net elevation
- Ultra Trail Učka 13K
- -0 m
- Sljemenski Maraton (Zagreb) 14K
- -2 m
Max absolute grade
- Ultra Trail Učka 13K
- 40.6%
- Sljemenski Maraton (Zagreb) 14K
- 54.1%
Flat grade share
- Ultra Trail Učka 13K
- 20.7%
- Sljemenski Maraton (Zagreb) 14K
- 14.1%
GAP factor
- Ultra Trail Učka 13K
- 22.6%
- Sljemenski Maraton (Zagreb) 14K
- Unavailable
Cutoff
- Ultra Trail Učka 13K
- 4:00:00
- Sljemenski Maraton (Zagreb) 14K
- Unavailable
Field cap
- Ultra Trail Učka 13K
- Unavailable
- Sljemenski Maraton (Zagreb) 14K
- 500
Entry model
- Ultra Trail Učka 13K
- Open
- Sljemenski Maraton (Zagreb) 14K
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.