Trondheim Maraton Half Marathon or Trondheim Maraton 10K — which comes out ahead?

Trondheim Maraton 10K has the stronger available profile on flat grade share and course flatness.

Route comparison snapshot

Trondheim Maraton Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.4%
flat grade share
78.7%
lower ascent
127 m
climbing density
6.0 m/km
net elevation
1 m
maximum grade
8.3%

Trondheim Maraton 10K

Mapped route
Held
Elevation profile
Held
course flatness
0.4% Favoured
flat grade share
83.4% Favoured
lower ascent
51 m
climbing density
5.1 m/km
net elevation
1 m
maximum grade
9.0%
Head-to-head comparison
MetricTrondheim Maraton Half MarathonTrondheim Maraton 10K
Flat grade share78.7%83.4%
GAP factor (% slower than flat)0.4%0.4%
Uphill share11.3%8.1%
Steep-up share0.4%0.0%
Downhill share10.0%8.5%
Total ascent (m)127 m51 m
Climbing density (m/km)6.0 m/km5.1 m/km
Longest climb length (m)1,570 m460 m
Longest climb gain (m)26 m11 m
Longest climb average grade1.7%2.4%
Total descent (m)125 m51 m
Net elevation (m)1 m1 m
Max absolute grade8.3%9.0%
Start elevation (m)10 m10 m
Finish elevation (m)11 m11 m
Scenic score60/10060/100
Conditions85/10085/100

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.

Same-distance comparisons are most meaningful; cross-distance metrics are contextual.

Race facts that change the decision

Race facts comparison
FactTrondheim Maraton Half MarathonTrondheim Maraton 10K
Schedule

Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date).

LocationTrondheim, NorwayTrondheim, Norway
Actual distance21.1 km10 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLoopLoop
SceneryCity, Waterfront, Riverside, HistoricCity, Waterfront, Riverside, Historic
AtmosphereBig City, Scenic TourBig City, Scenic Tour
Total ascent127 m51 m
Climbing density6.0 m/km5.1 m/km
Total descent125 m51 m
Net elevation1 m1 m
Max absolute grade8.3%9.0%
Flat grade share78.7%83.4%
GAP factor0.4%0.4%
Entry modelOpenOpen

Schedule

Trondheim Maraton Half Marathon

Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date).

Trondheim Maraton 10K

Exact race date not confirmed. Event weekend starts 2026-09-06 (legacy event-level date).

Location

Trondheim Maraton Half Marathon
Trondheim, Norway
Trondheim Maraton 10K
Trondheim, Norway

Actual distance

Trondheim Maraton Half Marathon
21.1 km
Trondheim Maraton 10K
10 km

raceindex.org mapped route held

Trondheim Maraton Half Marathon
Held
Trondheim Maraton 10K
Held

raceindex.org elevation profile held

Trondheim Maraton Half Marathon
Held
Trondheim Maraton 10K
Held

Course type

Trondheim Maraton Half Marathon
Loop
Trondheim Maraton 10K
Loop

Scenery

Trondheim Maraton Half Marathon
City, Waterfront, Riverside, Historic
Trondheim Maraton 10K
City, Waterfront, Riverside, Historic

Atmosphere

Trondheim Maraton Half Marathon
Big City, Scenic Tour
Trondheim Maraton 10K
Big City, Scenic Tour

Total ascent

Trondheim Maraton Half Marathon
127 m
Trondheim Maraton 10K
51 m

Climbing density

Trondheim Maraton Half Marathon
6.0 m/km
Trondheim Maraton 10K
5.1 m/km

Total descent

Trondheim Maraton Half Marathon
125 m
Trondheim Maraton 10K
51 m

Net elevation

Trondheim Maraton Half Marathon
1 m
Trondheim Maraton 10K
1 m

Max absolute grade

Trondheim Maraton Half Marathon
8.3%
Trondheim Maraton 10K
9.0%

Flat grade share

Trondheim Maraton Half Marathon
78.7%
Trondheim Maraton 10K
83.4%

GAP factor

Trondheim Maraton Half Marathon
0.4%
Trondheim Maraton 10K
0.4%

Entry model

Trondheim Maraton Half Marathon
Open
Trondheim Maraton 10K
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, Trondheim Maraton Half Marathon or Trondheim Maraton 10K?

Trondheim Maraton 10K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

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