• Marathon
  • 42.2 km
  • Trondheim
  • Event weekend starts
  • Open entry

Trondheim Skogsmaraton Marathon

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 3.9% versus flat · net elevation 0 m

Decision summary

Trondheim Skogsmaraton Marathon at a glance

Route ascent
907 m

Lower than 21% of comparable mapped races

Typical conditions
85/100

Historical race-date favourability, not a forecast

Evidence depth
23 verified facts

Stored GPS route

Quick answers

What runners ask first

Trondheim Skogsmaraton Marathon route map

raceindex.org has a GPS course file for Trondheim Skogsmaraton Marathon, 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 Trondheim Skogsmaraton Marathon?

The Trondheim Skogsmaraton Marathon route has 907 m of ascent, 907 m of descent and an estimated 3.9% grade-adjusted pace penalty versus a flat route.

Where does the Trondheim Skogsmaraton Marathon route go?

The Trondheim Skogsmaraton Marathon route starts at Granåsen arena, Trondheim and finishes at Granåsen arena, Trondheim. Underfoot, expect a trail course. The setting includes countryside and forest. Two laps of the half-marathon loop through Bymarka, with roughly double the elevation.

What should runners know on race day for the Trondheim Skogsmaraton Marathon?

Self-service baggage storage in the basement of the arena building (jumping-hill building); toilets and showers on site. Personal music is allowed, but runners are asked to stay aware of surroundings on turns.

Race character

Scenery

  • Countryside
  • Forest
  • City
  • Lakeside

Atmosphere

  • Community
  • Scenic Tour

Terrain

  • Trail
Net elevation
1 m

Entry, logistics and records

Records and field

Field size
Over 1400 participants in 2025

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
No official cutoff time; net (chip) time scoring from the actual start line crossing

Race day logistics

Bag drop
Self-service baggage storage in the basement of the arena building (jumping-hill building); toilets and showers on site
Race village
No
On-course music
Personal music is allowed, but runners are asked to stay aware of surroundings on turns

Access and course status

Start
Granåsen arena, Trondheim
Finish
Granåsen arena, Trondheim
Nearest station
Served by city bus lines 23 and 46 to Granåsen arena; limited parking, carpooling encouraged

Course facts

Course type
Laps
Notable features
  • Two laps of the half-marathon loop through Bymarka, with roughly double the elevation

How hilly is the Trondheim Skogsmaraton Marathon?

13%24%33%15%16%
  • Steep descent 13%
  • Descent 24%
  • Flat 33%
  • Climb 15%
  • Steep climb 16%
Total ascent
907 m
Net elevation
+0 m
GAP factor
3.9%
Longest climb
980 m at 7.0%
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?

  • 8°CTypical temperature
  • 17 kphTypical wind
  • 4 mmTypical rainfall
  • 85Favourability /100
Typical conditions for the race date and locality, within 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 Trondheim Skogsmaraton Marathon flat?

Its normalised GAP factor is 3.9% slower than a flat course, with about 907 m of total ascent.