6 sjöar (Uppsala) 10K or 6 sjöar (Uppsala) Half Marathon — which comes out ahead?

6 sjöar (Uppsala) Half Marathon has the stronger available profile on flat grade share and course flatness.

Route comparison snapshot

6 sjöar (Uppsala) 10K

Mapped route
Held
Elevation profile
Held
course flatness
4.1%
flat grade share
30.8%
lower ascent
222 m
climbing density
21.5 m/km
net elevation
-9 m
maximum grade
26.1%

6 sjöar (Uppsala) Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
1.0% Favoured
flat grade share
64.9% Favoured
lower ascent
200 m
climbing density
9.5 m/km
net elevation
-0 m
maximum grade
15.8%
Head-to-head comparison
Metric6 sjöar (Uppsala) 10K6 sjöar (Uppsala) Half Marathon
Flat grade share30.8%64.9%
GAP factor (% slower than flat)4.1%1.0%
Uphill share32.9%18.3%
Steep-up share14.0%3.1%
Downhill share36.3%16.8%
Total ascent (m)222 m200 m
Climbing density (m/km)21.5 m/km9.5 m/km
Longest climb length (m)200 m1,360 m
Longest climb gain (m)22 m29 m
Longest climb average grade10.8%2.1%
Total descent (m)231 m201 m
Net elevation (m)-9 m-0 m
Max absolute grade26.1%15.8%
Start elevation (m)53 m36 m
Finish elevation (m)45 m35 m

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
Fact6 sjöar (Uppsala) 10K6 sjöar (Uppsala) Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-08-15 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-08-15 (legacy event-level date).

LocationFjällnora, Uppsala, SwedenFjällnora, Uppsala, Sweden
Actual distance10.3 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
TerrainBeachBeach
SceneryCountryside, Coastal, Lakeside, Forest, HistoricCountryside, Coastal, Lakeside, Forest, Historic
AtmosphereScenic Tour, Community, DestinationScenic Tour, Community, Destination
Total ascent222 m200 m
Climbing density21.5 m/km9.5 m/km
Total descent231 m201 m
Net elevation-9 m-0 m
Max absolute grade26.1%15.8%
Flat grade share30.8%64.9%
GAP factor4.1%1.0%
Entry modelOpenOpen

Schedule

6 sjöar (Uppsala) 10K

Exact race date not confirmed. Event weekend starts 2026-08-15 (legacy event-level date).

6 sjöar (Uppsala) Half Marathon

Exact race date not confirmed. Event weekend starts 2026-08-15 (legacy event-level date).

Location

6 sjöar (Uppsala) 10K
Fjällnora, Uppsala, Sweden
6 sjöar (Uppsala) Half Marathon
Fjällnora, Uppsala, Sweden

Actual distance

6 sjöar (Uppsala) 10K
10.3 km
6 sjöar (Uppsala) Half Marathon
21.1 km

raceindex.org mapped route held

6 sjöar (Uppsala) 10K
Held
6 sjöar (Uppsala) Half Marathon
Held

raceindex.org elevation profile held

6 sjöar (Uppsala) 10K
Held
6 sjöar (Uppsala) Half Marathon
Held

Terrain

6 sjöar (Uppsala) 10K
Beach
6 sjöar (Uppsala) Half Marathon
Beach

Scenery

6 sjöar (Uppsala) 10K
Countryside, Coastal, Lakeside, Forest, Historic
6 sjöar (Uppsala) Half Marathon
Countryside, Coastal, Lakeside, Forest, Historic

Atmosphere

6 sjöar (Uppsala) 10K
Scenic Tour, Community, Destination
6 sjöar (Uppsala) Half Marathon
Scenic Tour, Community, Destination

Total ascent

6 sjöar (Uppsala) 10K
222 m
6 sjöar (Uppsala) Half Marathon
200 m

Climbing density

6 sjöar (Uppsala) 10K
21.5 m/km
6 sjöar (Uppsala) Half Marathon
9.5 m/km

Total descent

6 sjöar (Uppsala) 10K
231 m
6 sjöar (Uppsala) Half Marathon
201 m

Net elevation

6 sjöar (Uppsala) 10K
-9 m
6 sjöar (Uppsala) Half Marathon
-0 m

Max absolute grade

6 sjöar (Uppsala) 10K
26.1%
6 sjöar (Uppsala) Half Marathon
15.8%

Flat grade share

6 sjöar (Uppsala) 10K
30.8%
6 sjöar (Uppsala) Half Marathon
64.9%

GAP factor

6 sjöar (Uppsala) 10K
4.1%
6 sjöar (Uppsala) Half Marathon
1.0%

Entry model

6 sjöar (Uppsala) 10K
Open
6 sjöar (Uppsala) Half Marathon
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, 6 sjöar (Uppsala) 10K or 6 sjöar (Uppsala) Half Marathon?

6 sjöar (Uppsala) Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.

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How figures are calculated →