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

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

Route comparison snapshot

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%

DNB Oslo Marathon 10K

Mapped route
Held
Elevation profile
Held
course flatness
1.4%
flat grade share
49.8%
lower ascent
128 m
climbing density
12.8 m/km
net elevation
-2 m
maximum grade
13.3%
Head-to-head comparison
MetricTrondheim Maraton 10KDNB Oslo Marathon 10K
Flat grade share83.4%49.8%
GAP factor (% slower than flat)0.4%1.4%
Uphill share8.1%25.8%
Steep-up share0.0%4.4%
Downhill share8.5%24.4%
Total ascent (m)51 m128 m
Climbing density (m/km)5.1 m/km12.8 m/km
Longest climb length (m)460 m890 m
Longest climb gain (m)11 m18 m
Longest climb average grade2.4%2.0%
Total descent (m)51 m130 m
Net elevation (m)1 m-2 m
Max absolute grade9.0%13.3%
Start elevation (m)10 m12 m
Finish elevation (m)11 m10 m
Scenic score60/10068/100
Conditions85/10084/100

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.

Race facts that change the decision

Race facts comparison
FactTrondheim Maraton 10KDNB Oslo Marathon 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 2026-09-12 (legacy event-level date).

LocationTrondheim, NorwayOslo, Norway
Actual distance10 km10 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLoopUnavailable
TerrainUnavailableRoad
SceneryCity, Waterfront, Riverside, HistoricCity, Waterfront, Coastal, Historic, Parkland
AtmosphereBig City, Scenic TourBig City, Festival, Scenic Tour
Total ascent51 m128 m
Climbing density5.1 m/km12.8 m/km
Total descent51 m130 m
Net elevation1 m-2 m
Max absolute grade9.0%13.3%
Flat grade share83.4%49.8%
GAP factor0.4%1.4%
CutoffUnavailable1:45:00
Entry modelOpenOpen

Schedule

Trondheim Maraton 10K

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

DNB Oslo Marathon 10K

Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date).

Location

Trondheim Maraton 10K
Trondheim, Norway
DNB Oslo Marathon 10K
Oslo, Norway

Actual distance

Trondheim Maraton 10K
10 km
DNB Oslo Marathon 10K
10 km

raceindex.org mapped route held

Trondheim Maraton 10K
Held
DNB Oslo Marathon 10K
Held

raceindex.org elevation profile held

Trondheim Maraton 10K
Held
DNB Oslo Marathon 10K
Held

Course type

Trondheim Maraton 10K
Loop
DNB Oslo Marathon 10K
Unavailable

Terrain

Trondheim Maraton 10K
Unavailable
DNB Oslo Marathon 10K
Road

Scenery

Trondheim Maraton 10K
City, Waterfront, Riverside, Historic
DNB Oslo Marathon 10K
City, Waterfront, Coastal, Historic, Parkland

Atmosphere

Trondheim Maraton 10K
Big City, Scenic Tour
DNB Oslo Marathon 10K
Big City, Festival, Scenic Tour

Total ascent

Trondheim Maraton 10K
51 m
DNB Oslo Marathon 10K
128 m

Climbing density

Trondheim Maraton 10K
5.1 m/km
DNB Oslo Marathon 10K
12.8 m/km

Total descent

Trondheim Maraton 10K
51 m
DNB Oslo Marathon 10K
130 m

Net elevation

Trondheim Maraton 10K
1 m
DNB Oslo Marathon 10K
-2 m

Max absolute grade

Trondheim Maraton 10K
9.0%
DNB Oslo Marathon 10K
13.3%

Flat grade share

Trondheim Maraton 10K
83.4%
DNB Oslo Marathon 10K
49.8%

GAP factor

Trondheim Maraton 10K
0.4%
DNB Oslo Marathon 10K
1.4%

Cutoff

Trondheim Maraton 10K
Unavailable
DNB Oslo Marathon 10K
1:45:00

Entry model

Trondheim Maraton 10K
Open
DNB Oslo Marathon 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 10K or DNB Oslo Marathon 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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