Zürich Marathon Half Marathon or Greifenseelauf Uster Half Marathon — which comes out ahead?

Zürich Marathon Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.

Route comparison snapshot

Zürich Marathon Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-0.0% Favoured
flat grade share
99.8% Favoured
lower ascent
21 m
climbing density
1.0 m/km
net elevation
-2 m
maximum grade
2.2%

Greifenseelauf Uster Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.8%
flat grade share
85.4%
lower ascent
108 m
climbing density
5.1 m/km
net elevation
18 m
maximum grade
7.8%
Head-to-head comparison
MetricZürich Marathon Half MarathonGreifenseelauf Uster Half Marathon
Flat grade share99.8%85.4%
GAP factor (% slower than flat)-0.0%0.8%
Uphill share0.0%7.4%
Steep-up share0.0%0.1%
Downhill share0.2%7.2%
Total ascent (m)21 m108 m
Climbing density (m/km)1.0 m/km5.1 m/km
Longest climb length (m)440 m1,570 m
Longest climb gain (m)3 m25 m
Longest climb average grade0.7%1.6%
Total descent (m)23 m90 m
Net elevation (m)-2 m18 m
Max absolute grade2.2%7.8%
Start elevation (m)410 m443 m
Finish elevation (m)408 m460 m
Scenic score43/10097/100
Conditions91/10079/100

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
FactZürich Marathon Half MarathonGreifenseelauf Uster Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2027-04-11 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-09-19 (legacy event-level date).

LocationZürich, SwitzerlandUster, Switzerland
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeOut And BackLoop
SurfaceUnavailableApproximately 60% asphalt and 40% natural/unpaved paths
Elevation characterUnavailableFlat
TerrainUnavailableMixed
SceneryCity, Lakeside, HistoricLakeside, Moorland, Countryside, Forest
AtmosphereBig City, Festival, CommunityScenic Tour, Destination
TechnicalityUnavailableNon Technical
Total ascent21 m108 m
Climbing density1.0 m/km5.1 m/km
Total descent23 m90 m
Net elevation-2 m18 m
Max absolute grade2.2%7.8%
Flat grade share99.8%85.4%
GAP factor-0.0%0.8%
Cutoff2:45:00Unavailable
Entry modelOpenOpen

Schedule

Zürich Marathon Half Marathon

Exact race date not confirmed. Event weekend starts 2027-04-11 (legacy event-level date).

Greifenseelauf Uster Half Marathon

Exact race date not confirmed. Event weekend starts 2026-09-19 (legacy event-level date).

Location

Zürich Marathon Half Marathon
Zürich, Switzerland
Greifenseelauf Uster Half Marathon
Uster, Switzerland

Actual distance

Zürich Marathon Half Marathon
21.1 km
Greifenseelauf Uster Half Marathon
21.1 km

raceindex.org mapped route held

Zürich Marathon Half Marathon
Held
Greifenseelauf Uster Half Marathon
Held

raceindex.org elevation profile held

Zürich Marathon Half Marathon
Held
Greifenseelauf Uster Half Marathon
Held

Course type

Zürich Marathon Half Marathon
Out And Back
Greifenseelauf Uster Half Marathon
Loop

Surface

Zürich Marathon Half Marathon
Unavailable
Greifenseelauf Uster Half Marathon
Approximately 60% asphalt and 40% natural/unpaved paths

Elevation character

Zürich Marathon Half Marathon
Unavailable
Greifenseelauf Uster Half Marathon
Flat

Terrain

Zürich Marathon Half Marathon
Unavailable
Greifenseelauf Uster Half Marathon
Mixed

Scenery

Zürich Marathon Half Marathon
City, Lakeside, Historic
Greifenseelauf Uster Half Marathon
Lakeside, Moorland, Countryside, Forest

Atmosphere

Zürich Marathon Half Marathon
Big City, Festival, Community
Greifenseelauf Uster Half Marathon
Scenic Tour, Destination

Technicality

Zürich Marathon Half Marathon
Unavailable
Greifenseelauf Uster Half Marathon
Non Technical

Total ascent

Zürich Marathon Half Marathon
21 m
Greifenseelauf Uster Half Marathon
108 m

Climbing density

Zürich Marathon Half Marathon
1.0 m/km
Greifenseelauf Uster Half Marathon
5.1 m/km

Total descent

Zürich Marathon Half Marathon
23 m
Greifenseelauf Uster Half Marathon
90 m

Net elevation

Zürich Marathon Half Marathon
-2 m
Greifenseelauf Uster Half Marathon
18 m

Max absolute grade

Zürich Marathon Half Marathon
2.2%
Greifenseelauf Uster Half Marathon
7.8%

Flat grade share

Zürich Marathon Half Marathon
99.8%
Greifenseelauf Uster Half Marathon
85.4%

GAP factor

Zürich Marathon Half Marathon
-0.0%
Greifenseelauf Uster Half Marathon
0.8%

Cutoff

Zürich Marathon Half Marathon
2:45:00
Greifenseelauf Uster Half Marathon
Unavailable

Entry model

Zürich Marathon Half Marathon
Open
Greifenseelauf Uster 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, Zürich Marathon Half Marathon or Greifenseelauf Uster Half Marathon?

Zürich Marathon 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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