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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Tromsø
  • Event weekend starts
  • Open entry

Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon

This race edition

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

Entry options

2027 edition

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

Modelled energy-cost change 0.7% versus flat · net elevation 2 m

View verified GPS mapOfficial event website & entry ↗
Plan my trainingPlan my paceData current as of Source last verified

Decision summary

Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon at a glance

Route ascent
148 m

Lower than 52% of comparable mapped races

Cut-off average pace
9:57/km

3:30:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
90/100

Historical race-date favourability, not a forecast

Evidence depth
19 verified facts

Stored GPS route

Quick answers

What runners ask first

Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon route map

raceindex.org has a GPS course file for Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half 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 Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon?

The Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon route has 148 m of ascent, 147 m of descent and an estimated 0.7% grade-adjusted pace penalty versus a flat route.

Where does the Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon route go?

The setting includes coastal and mountain. The whole city turns out as a public festival cheering runners at the finish.

What should runners know on race day for the Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon?

The whole city turns out as a public festival cheering runners at the finish.

Race character

Scenery

  • Coastal
  • Mountain
  • City
  • Waterfront
  • Island

Atmosphere

  • Destination
  • Festival
  • Nighttime

Entry, logistics and records

Records and field

Field size
Almost 9,000 runners from 88 nations across all distances in 2025 (record participation)

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
3 hours 30 minutes

Race day logistics

Expo / packet pickup
MSM Expo at the Port Terminal (Prostneset), central Tromsø; open Fri 10:00-20:00 and Sat 10:00-21:00
Medal
Every finisher of any distance receives a medal at the finish line

Course facts

Notable features
  • World's northernmost AIMS-certified marathon, run under the midnight sun
  • full marathon starts at 20:30. The whole city turns out as a public festival cheering runners at the finish
  • AIMS member
  • all races are control-measured and certified

How hilly is the Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon?

11%76%11%
  • Steep descent 1%
  • Descent 11%
  • Flat 76%
  • Climb 11%
  • Steep climb 1%
Total ascent
148 m
Net elevation
+2 m
GAP factor
0.7%
Longest climb
690 m at 4.7%
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?

  • 11°CTypical temperature
  • 14 kphTypical wind
  • 4 mmTypical rainfall
  • 90Favourability /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 Midnattssolmaraton (Midnight Sun Marathon), Tromsø Half Marathon flat?

Its normalised GAP factor is 0.7% slower than a flat course, with about 148 m of total ascent.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →