Greifenseelauf Uster Half Marathon or Zürich Marathon 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

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%

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%
Head-to-head comparison
MetricGreifenseelauf Uster Half MarathonZürich Marathon Half Marathon
Flat grade share85.4%99.8%
GAP factor (% slower than flat)0.8%-0.0%
Uphill share7.4%0.0%
Steep-up share0.1%0.0%
Downhill share7.2%0.2%
Total ascent (m)108 m21 m
Climbing density (m/km)5.1 m/km1.0 m/km
Longest climb length (m)1,570 m440 m
Longest climb gain (m)25 m3 m
Longest climb average grade1.6%0.7%
Total descent (m)90 m23 m
Net elevation (m)18 m-2 m
Max absolute grade7.8%2.2%
Start elevation (m)443 m410 m
Finish elevation (m)460 m408 m
Scenic score97/10043/100
Conditions79/10091/100

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
FactGreifenseelauf Uster Half MarathonZürich Marathon Half Marathon
Schedule

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

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

LocationUster, SwitzerlandZürich, Switzerland
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLoopOut And Back
SurfaceApproximately 60% asphalt and 40% natural/unpaved pathsUnavailable
Elevation characterFlatUnavailable
TerrainMixedUnavailable
SceneryLakeside, Moorland, Countryside, ForestCity, Lakeside, Historic
AtmosphereScenic Tour, DestinationBig City, Festival, Community
TechnicalityNon TechnicalUnavailable
Total ascent108 m21 m
Climbing density5.1 m/km1.0 m/km
Total descent90 m23 m
Net elevation18 m-2 m
Max absolute grade7.8%2.2%
Flat grade share85.4%99.8%
GAP factor0.8%-0.0%
CutoffUnavailable2:45:00
Entry modelOpenOpen

Schedule

Greifenseelauf Uster Half Marathon

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

Zürich Marathon Half Marathon

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

Location

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

Actual distance

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

raceindex.org mapped route held

Greifenseelauf Uster Half Marathon
Held
Zürich Marathon Half Marathon
Held

raceindex.org elevation profile held

Greifenseelauf Uster Half Marathon
Held
Zürich Marathon Half Marathon
Held

Course type

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

Surface

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

Elevation character

Greifenseelauf Uster Half Marathon
Flat
Zürich Marathon Half Marathon
Unavailable

Terrain

Greifenseelauf Uster Half Marathon
Mixed
Zürich Marathon Half Marathon
Unavailable

Scenery

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

Atmosphere

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

Technicality

Greifenseelauf Uster Half Marathon
Non Technical
Zürich Marathon Half Marathon
Unavailable

Total ascent

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

Climbing density

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

Total descent

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

Net elevation

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

Max absolute grade

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

Flat grade share

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

GAP factor

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

Cutoff

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

Entry model

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

Read the full pages

How figures are calculated →