Soča Outdoor Festival 12K or Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K — which comes out ahead?

Soča Outdoor Festival 12K and Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

Soča Outdoor Festival 12K

Mapped route
Held
Elevation profile
Held
course flatness
7.8%
flat grade share
34.2% Favoured
lower ascent
310 m
climbing density
26.5 m/km
net elevation
-9 m
maximum grade
38.0%

Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K

Mapped route
Held
Elevation profile
Held
course flatness
4.7% Favoured
flat grade share
29.8%
lower ascent
288 m
climbing density
24.0 m/km
net elevation
-6 m
maximum grade
18.9%
Head-to-head comparison
MetricSoča Outdoor Festival 12KKia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Flat grade share34.2%29.8%
GAP factor (% slower than flat)7.8%4.7%
Uphill share31.9%33.1%
Steep-up share14.0%17.2%
Downhill share33.9%37.0%
Total ascent (m)310 m288 m
Climbing density (m/km)26.5 m/km24.0 m/km
Longest climb length (m)550 m1,800 m
Longest climb gain (m)71 m173 m
Longest climb average grade12.9%9.6%
Total descent (m)318 m295 m
Net elevation (m)-9 m-6 m
Max absolute grade38.0%18.9%
Start elevation (m)168 m540 m
Finish elevation (m)159 m534 m
Scenic score100/100Unavailable
Conditions44/100Unavailable

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

Race facts comparison
FactSoča Outdoor Festival 12KKia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Schedule

Exact race date not confirmed. Event weekend starts 2026-06-26 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).

LocationTolmin, SloveniaÅrefjällen, Sweden
Actual distance11.7 km12 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLoopUnavailable
SurfaceMountain trail with mixed terrain; steel footbridges over the Tolminka and Zadlaščica rivers and a wade across the Tolminka river feature on several courses.Trail
Elevation characterGently RollingUnavailable
TerrainTrailTrail
SceneryMountain, Parkland, Riverside, Historic, Forest, Canyon, CountrysideCountryside, Mountain, Forest, Lakeside, Riverside
AtmosphereFestival, Scenic Tour, DestinationWilderness, Destination, Festival
Total ascent310 m288 m
Climbing density26.5 m/km24.0 m/km
Total descent318 m295 m
Net elevation-9 m-6 m
Max absolute grade38.0%18.9%
Flat grade share34.2%29.8%
GAP factor7.8%4.7%
Cutoff3:00:00Unavailable
Field cap225300
Entry modelOpenOpen

Schedule

Soča Outdoor Festival 12K

Exact race date not confirmed. Event weekend starts 2026-06-26 (legacy event-level date).

Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K

Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).

Location

Soča Outdoor Festival 12K
Tolmin, Slovenia
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Årefjällen, Sweden

Actual distance

Soča Outdoor Festival 12K
11.7 km
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
12 km

raceindex.org mapped route held

Soča Outdoor Festival 12K
Held
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Held

raceindex.org elevation profile held

Soča Outdoor Festival 12K
Held
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Held

Course type

Soča Outdoor Festival 12K
Loop
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Unavailable

Surface

Soča Outdoor Festival 12K
Mountain trail with mixed terrain; steel footbridges over the Tolminka and Zadlaščica rivers and a wade across the Tolminka river feature on several courses.
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Trail

Elevation character

Soča Outdoor Festival 12K
Gently Rolling
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Unavailable

Terrain

Soča Outdoor Festival 12K
Trail
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Trail

Scenery

Soča Outdoor Festival 12K
Mountain, Parkland, Riverside, Historic, Forest, Canyon, Countryside
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Countryside, Mountain, Forest, Lakeside, Riverside

Atmosphere

Soča Outdoor Festival 12K
Festival, Scenic Tour, Destination
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Wilderness, Destination, Festival

Total ascent

Soča Outdoor Festival 12K
310 m
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
288 m

Climbing density

Soča Outdoor Festival 12K
26.5 m/km
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
24.0 m/km

Total descent

Soča Outdoor Festival 12K
318 m
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
295 m

Net elevation

Soča Outdoor Festival 12K
-9 m
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
-6 m

Max absolute grade

Soča Outdoor Festival 12K
38.0%
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
18.9%

Flat grade share

Soča Outdoor Festival 12K
34.2%
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
29.8%

GAP factor

Soča Outdoor Festival 12K
7.8%
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
4.7%

Cutoff

Soča Outdoor Festival 12K
3:00:00
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
Unavailable

Field cap

Soča Outdoor Festival 12K
225
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
300

Entry model

Soča Outdoor Festival 12K
Open
Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K
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, Soča Outdoor Festival 12K or Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K?

Kia Fjällmaraton (Fjällmaratonveckan), Årefjällen 12K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

Read the full pages

How figures are calculated →