• 15K
  • 14.6 km
  • Tolmin
  • Event dates
  • Past event

Soča Outdoor Festival 15K

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 11.6% versus flat · net elevation -9 m

Decision summary

Soča Outdoor Festival 15K at a glance

Route ascent
493 m

Derived from the stored route

Cut-off average pace
18:30/km

4:30:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
44/100

Historical race-date favourability, not a forecast

Evidence depth
32 verified facts

Stored GPS route

Quick answers

What runners ask first

Soča Outdoor Festival 15K route map

raceindex.org has a GPS course file for Soča Outdoor Festival 15K, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Soča Outdoor Festival 15K?

The Soča Outdoor Festival 15K route has 493 m of ascent, 502 m of descent and an estimated 11.6% grade-adjusted pace penalty versus a flat route.

Where does the Soča Outdoor Festival 15K route go?

The Soča Outdoor Festival 15K route starts at Sotočje, Tolmin (confluence of the Tolminka and Soča rivers) - the main festival venue and start/finish for the trail races. Underfoot, expect mountain trail with mixed terrain; steel footbridges over the Tolminka and Zadlaščica rivers and a wade across the Tolminka river feature on several courses. It passes Tolmin Castle, Tolmin Gorge, village of Žabče, church of St Mark and Poljubinj. Most courses include a refreshing wade across the ice-cold Tolminka river near the finish.

What should runners know on race day for the Soča Outdoor Festival 15K?

Refreshment stations and cheering points feature local cuisine and music; the Friday vertical run finishes on the castle walls accompanied by live music at sunset. 6.

Race character

Scenery

  • Mountain
  • Parkland
  • Riverside
  • Historic
  • Forest
  • Canyon
  • Countryside

Atmosphere

  • Festival
  • Scenic Tour
  • Destination

Terrain

  • Trail
Elevation character
Hilly
Source-stated ascent
390 m

The stored route produces 493 m of ascent, while a source states 390 m. GPS sampling and elevation models can produce different totals, so both are labelled rather than combined.

Entry, logistics and records

Records and field

Field cap
225

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
4:30:00

Race day logistics

Aid stations
6
Race village
Yes
On-course music
Refreshment stations and cheering points feature local cuisine and music; the Friday vertical run finishes on the castle walls accompanied by live music at sunset.

Access and course status

Start
Sotočje, Tolmin (confluence of the Tolminka and Soča rivers) - the main festival venue and start/finish for the trail races.

Course facts

Course type
Loop
Surface
Mountain trail with mixed terrain; steel footbridges over the Tolminka and Zadlaščica rivers and a wade across the Tolminka river feature on several courses.
Landmarks
Tolmin Castle, Tolmin Gorge, village of Žabče, church of St Mark, Poljubinj, Godič stream, Tolminka river wade
Notable features
  • Most courses include a refreshing wade across the ice-cold Tolminka river near the finish
  • 2026 introduces a redesigned Friday vertical to Tolmin Castle and new race combinations (Vertical + 10 km, Vertical + 50 km)

How hilly is the Soča Outdoor Festival 15K?

21%18%27%15%19%
  • Steep descent 21%
  • Descent 18%
  • Flat 27%
  • Climb 15%
  • Steep climb 19%
Total ascent
493 m
Net elevation
−9 m
GAP factor
11.6%
Longest climb
720 m at 11.3%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 22°CTypical temperature
  • 11 kphTypical wind
  • 5 mmTypical rainfall
  • 44Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Soča Outdoor Festival 15K flat?

Its normalised GAP factor is 11.6% slower than a flat course, with about 493 m of total ascent.

Compare

All comparisons →