Trieste Spring Run Half Marathon or Trieste Spring Run Marathon — which comes out ahead?

Trieste Spring Run Half Marathon has the stronger available profile on flat grade share and course flatness.

Route comparison snapshot

Trieste Spring Run Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-1.5% Favoured
flat grade share
88.5% Favoured
lower ascent
63 m
climbing density
3.0 m/km
net elevation
-73 m
maximum grade
20.7%

Trieste Spring Run Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.5%
flat grade share
87.9%
lower ascent
205 m
climbing density
4.9 m/km
net elevation
0 m
maximum grade
21.0%
Head-to-head comparison
MetricTrieste Spring Run Half MarathonTrieste Spring Run Marathon
Flat grade share88.5%87.9%
GAP factor (% slower than flat)-1.5%0.5%
Uphill share3.2%5.5%
Steep-up share0.3%1.1%
Downhill share8.4%6.5%
Total ascent (m)63 m205 m
Climbing density (m/km)3.0 m/km4.9 m/km
Longest climb length (m)350 m1,310 m
Longest climb gain (m)16 m26 m
Longest climb average grade4.5%2.0%
Total descent (m)134 m204 m
Net elevation (m)-73 m0 m
Max absolute grade20.7%21.0%
Start elevation (m)74 m1 m
Finish elevation (m)1 m1 m
Scenic score67/10070/100
Conditions78/10078/100

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
FactTrieste Spring Run Half MarathonTrieste Spring Run Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date).

LocationTrieste, ItalyTrieste, Italy
Actual distance21.1 km42.2 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typePoint To PointOut And Back
SurfaceRoadRoad
Elevation characterFlatGently Rolling
TerrainRoadRoad
SceneryCoastal, Waterfront, City, HistoricCoastal, Waterfront, City, Historic
AtmosphereScenic Tour, Festival, DestinationScenic Tour, Festival, Destination
TechnicalityUnavailableNon Technical
Total ascent63 m205 m
Climbing density3.0 m/km4.9 m/km
Total descent134 m204 m
Net elevation-73 m0 m
Max absolute grade20.7%21.0%
Flat grade share88.5%87.9%
GAP factor-1.5%0.5%
Cutoff3:00:006:00:00
Field cap3,000Unavailable
Entry modelOpenOpen

Schedule

Trieste Spring Run Half Marathon

Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date).

Trieste Spring Run Marathon

Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date).

Location

Trieste Spring Run Half Marathon
Trieste, Italy
Trieste Spring Run Marathon
Trieste, Italy

Actual distance

Trieste Spring Run Half Marathon
21.1 km
Trieste Spring Run Marathon
42.2 km

raceindex.org mapped route held

Trieste Spring Run Half Marathon
Held
Trieste Spring Run Marathon
Held

raceindex.org elevation profile held

Trieste Spring Run Half Marathon
Held
Trieste Spring Run Marathon
Held

Course type

Trieste Spring Run Half Marathon
Point To Point
Trieste Spring Run Marathon
Out And Back

Surface

Trieste Spring Run Half Marathon
Road
Trieste Spring Run Marathon
Road

Elevation character

Trieste Spring Run Half Marathon
Flat
Trieste Spring Run Marathon
Gently Rolling

Terrain

Trieste Spring Run Half Marathon
Road
Trieste Spring Run Marathon
Road

Scenery

Trieste Spring Run Half Marathon
Coastal, Waterfront, City, Historic
Trieste Spring Run Marathon
Coastal, Waterfront, City, Historic

Atmosphere

Trieste Spring Run Half Marathon
Scenic Tour, Festival, Destination
Trieste Spring Run Marathon
Scenic Tour, Festival, Destination

Technicality

Trieste Spring Run Half Marathon
Unavailable
Trieste Spring Run Marathon
Non Technical

Total ascent

Trieste Spring Run Half Marathon
63 m
Trieste Spring Run Marathon
205 m

Climbing density

Trieste Spring Run Half Marathon
3.0 m/km
Trieste Spring Run Marathon
4.9 m/km

Total descent

Trieste Spring Run Half Marathon
134 m
Trieste Spring Run Marathon
204 m

Net elevation

Trieste Spring Run Half Marathon
-73 m
Trieste Spring Run Marathon
0 m

Max absolute grade

Trieste Spring Run Half Marathon
20.7%
Trieste Spring Run Marathon
21.0%

Flat grade share

Trieste Spring Run Half Marathon
88.5%
Trieste Spring Run Marathon
87.9%

GAP factor

Trieste Spring Run Half Marathon
-1.5%
Trieste Spring Run Marathon
0.5%

Cutoff

Trieste Spring Run Half Marathon
3:00:00
Trieste Spring Run Marathon
6:00:00

Field cap

Trieste Spring Run Half Marathon
3,000
Trieste Spring Run Marathon
Unavailable

Entry model

Trieste Spring Run Half Marathon
Open
Trieste Spring Run 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, Trieste Spring Run Half Marathon or Trieste Spring Run Marathon?

Trieste Spring Run 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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