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

Naturosa Catania Marathon Half Marathon and Trieste Spring Run Half Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

Naturosa Catania Marathon Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.0%
flat grade share
99.3% Favoured
lower ascent
11 m
climbing density
0.5 m/km
net elevation
-0 m
maximum grade
3.1%

Trieste Spring Run Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-1.5% Favoured
flat grade share
88.5%
lower ascent
63 m
climbing density
3.0 m/km
net elevation
-73 m
maximum grade
20.7%
Head-to-head comparison
MetricNaturosa Catania Marathon Half MarathonTrieste Spring Run Half Marathon
Flat grade share99.3%88.5%
GAP factor (% slower than flat)0.0%-1.5%
Uphill share0.4%3.2%
Steep-up share0.0%0.3%
Downhill share0.3%8.4%
Total ascent (m)11 m63 m
Climbing density (m/km)0.5 m/km3.0 m/km
Longest climb length (m)330 m350 m
Longest climb gain (m)2 m16 m
Longest climb average grade0.6%4.5%
Total descent (m)12 m134 m
Net elevation (m)-0 m-73 m
Max absolute grade3.1%20.7%
Start elevation (m)4 m74 m
Finish elevation (m)4 m1 m
Scenic score57/10067/100
Conditions88/10078/100

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.

Race facts that change the decision

Race facts comparison
FactNaturosa Catania Marathon Half MarathonTrieste Spring Run Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-12-13 (legacy event-level date).

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

LocationCatania, ItalyTrieste, Italy
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeUnavailablePoint To Point
SurfaceUnavailableRoad
Elevation characterUnavailableFlat
TerrainUnavailableRoad
SceneryCoastal, City, Waterfront, HistoricCoastal, Waterfront, City, Historic
AtmosphereScenic Tour, Festival, Big CityScenic Tour, Festival, Destination
Total ascent11 m63 m
Climbing density0.5 m/km3.0 m/km
Total descent12 m134 m
Net elevation-0 m-73 m
Max absolute grade3.1%20.7%
Flat grade share99.3%88.5%
GAP factor0.0%-1.5%
CutoffUnavailable3:00:00
Field capUnavailable3,000
Entry modelOpenOpen

Schedule

Naturosa Catania Marathon Half Marathon

Exact race date not confirmed. Event weekend starts 2026-12-13 (legacy event-level date).

Trieste Spring Run Half Marathon

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

Location

Naturosa Catania Marathon Half Marathon
Catania, Italy
Trieste Spring Run Half Marathon
Trieste, Italy

Actual distance

Naturosa Catania Marathon Half Marathon
21.1 km
Trieste Spring Run Half Marathon
21.1 km

raceindex.org mapped route held

Naturosa Catania Marathon Half Marathon
Held
Trieste Spring Run Half Marathon
Held

raceindex.org elevation profile held

Naturosa Catania Marathon Half Marathon
Held
Trieste Spring Run Half Marathon
Held

Course type

Naturosa Catania Marathon Half Marathon
Unavailable
Trieste Spring Run Half Marathon
Point To Point

Surface

Naturosa Catania Marathon Half Marathon
Unavailable
Trieste Spring Run Half Marathon
Road

Elevation character

Naturosa Catania Marathon Half Marathon
Unavailable
Trieste Spring Run Half Marathon
Flat

Terrain

Naturosa Catania Marathon Half Marathon
Unavailable
Trieste Spring Run Half Marathon
Road

Scenery

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

Atmosphere

Naturosa Catania Marathon Half Marathon
Scenic Tour, Festival, Big City
Trieste Spring Run Half Marathon
Scenic Tour, Festival, Destination

Total ascent

Naturosa Catania Marathon Half Marathon
11 m
Trieste Spring Run Half Marathon
63 m

Climbing density

Naturosa Catania Marathon Half Marathon
0.5 m/km
Trieste Spring Run Half Marathon
3.0 m/km

Total descent

Naturosa Catania Marathon Half Marathon
12 m
Trieste Spring Run Half Marathon
134 m

Net elevation

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

Max absolute grade

Naturosa Catania Marathon Half Marathon
3.1%
Trieste Spring Run Half Marathon
20.7%

Flat grade share

Naturosa Catania Marathon Half Marathon
99.3%
Trieste Spring Run Half Marathon
88.5%

GAP factor

Naturosa Catania Marathon Half Marathon
0.0%
Trieste Spring Run Half Marathon
-1.5%

Cutoff

Naturosa Catania Marathon Half Marathon
Unavailable
Trieste Spring Run Half Marathon
3:00:00

Field cap

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

Entry model

Naturosa Catania Marathon Half Marathon
Open
Trieste Spring Run 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, Naturosa Catania Marathon Half Marathon or Trieste Spring Run Half 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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How figures are calculated →