Clonakilty Waterfront Marathon Half Marathon or Connemara International Marathon (Connemarathon) Half Marathon — which comes out ahead?

Clonakilty Waterfront Marathon Half Marathon and Connemara International Marathon (Connemarathon) Half Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

Clonakilty Waterfront Marathon Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
1.5% Favoured
flat grade share
55.3%
lower ascent
265 m
climbing density
12.6 m/km
net elevation
-8 m
maximum grade
12.6%

Connemara International Marathon (Connemarathon) Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
2.0%
flat grade share
60.9% Favoured
lower ascent
239 m
climbing density
11.3 m/km
net elevation
29 m
maximum grade
19.4%
Head-to-head comparison
MetricClonakilty Waterfront Marathon Half MarathonConnemara International Marathon (Connemarathon) Half Marathon
Flat grade share55.3%60.9%
GAP factor (% slower than flat)1.5%2.0%
Uphill share23.5%20.1%
Steep-up share6.1%4.6%
Downhill share21.2%19.0%
Total ascent (m)265 m239 m
Climbing density (m/km)12.6 m/km11.3 m/km
Longest climb length (m)1,810 m1,860 m
Longest climb gain (m)66 m73 m
Longest climb average grade3.6%3.9%
Total descent (m)274 m210 m
Net elevation (m)-8 m29 m
Max absolute grade12.6%19.4%
Start elevation (m)25 m13 m
Finish elevation (m)17 m42 m
Scenic scoreUnavailable100/100
ConditionsUnavailable69/100

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
FactClonakilty Waterfront Marathon Half MarathonConnemara International Marathon (Connemarathon) Half Marathon
Schedule

Exact race date not confirmed.

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

LocationClonakilty, IrelandConnemara, County Galway, Ireland
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeUnavailablePoint To Point
SurfaceSealed roads100% of all three race distances is on road; there is no trail section.
TerrainBeachRoad
SceneryCoastal, Waterfront, Countryside, ForestCountryside, Mountain, Lakeside, Moorland, Waterfront, Coastal
AtmosphereScenic Tour, Destination, CommunityScenic Tour, Wilderness, Destination
Total ascent265 m239 m
Climbing density12.6 m/km11.3 m/km
Total descent274 m210 m
Net elevation-8 m29 m
Max absolute grade12.6%19.4%
Flat grade share55.3%60.9%
GAP factor1.5%2.0%
CutoffUnavailable6:30:00
Entry modelOpenOpen

Schedule

Clonakilty Waterfront Marathon Half Marathon

Exact race date not confirmed.

Connemara International Marathon (Connemarathon) Half Marathon

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

Location

Clonakilty Waterfront Marathon Half Marathon
Clonakilty, Ireland
Connemara International Marathon (Connemarathon) Half Marathon
Connemara, County Galway, Ireland

Actual distance

Clonakilty Waterfront Marathon Half Marathon
21.1 km
Connemara International Marathon (Connemarathon) Half Marathon
21.1 km

raceindex.org mapped route held

Clonakilty Waterfront Marathon Half Marathon
Held
Connemara International Marathon (Connemarathon) Half Marathon
Held

raceindex.org elevation profile held

Clonakilty Waterfront Marathon Half Marathon
Held
Connemara International Marathon (Connemarathon) Half Marathon
Held

Course type

Clonakilty Waterfront Marathon Half Marathon
Unavailable
Connemara International Marathon (Connemarathon) Half Marathon
Point To Point

Surface

Clonakilty Waterfront Marathon Half Marathon
Sealed roads
Connemara International Marathon (Connemarathon) Half Marathon
100% of all three race distances is on road; there is no trail section.

Terrain

Clonakilty Waterfront Marathon Half Marathon
Beach
Connemara International Marathon (Connemarathon) Half Marathon
Road

Scenery

Clonakilty Waterfront Marathon Half Marathon
Coastal, Waterfront, Countryside, Forest
Connemara International Marathon (Connemarathon) Half Marathon
Countryside, Mountain, Lakeside, Moorland, Waterfront, Coastal

Atmosphere

Clonakilty Waterfront Marathon Half Marathon
Scenic Tour, Destination, Community
Connemara International Marathon (Connemarathon) Half Marathon
Scenic Tour, Wilderness, Destination

Total ascent

Clonakilty Waterfront Marathon Half Marathon
265 m
Connemara International Marathon (Connemarathon) Half Marathon
239 m

Climbing density

Clonakilty Waterfront Marathon Half Marathon
12.6 m/km
Connemara International Marathon (Connemarathon) Half Marathon
11.3 m/km

Total descent

Clonakilty Waterfront Marathon Half Marathon
274 m
Connemara International Marathon (Connemarathon) Half Marathon
210 m

Net elevation

Clonakilty Waterfront Marathon Half Marathon
-8 m
Connemara International Marathon (Connemarathon) Half Marathon
29 m

Max absolute grade

Clonakilty Waterfront Marathon Half Marathon
12.6%
Connemara International Marathon (Connemarathon) Half Marathon
19.4%

Flat grade share

Clonakilty Waterfront Marathon Half Marathon
55.3%
Connemara International Marathon (Connemarathon) Half Marathon
60.9%

GAP factor

Clonakilty Waterfront Marathon Half Marathon
1.5%
Connemara International Marathon (Connemarathon) Half Marathon
2.0%

Cutoff

Clonakilty Waterfront Marathon Half Marathon
Unavailable
Connemara International Marathon (Connemarathon) Half Marathon
6:30:00

Entry model

Clonakilty Waterfront Marathon Half Marathon
Open
Connemara International Marathon (Connemarathon) 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, Clonakilty Waterfront Marathon Half Marathon or Connemara International Marathon (Connemarathon) Half Marathon?

Clonakilty Waterfront 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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How figures are calculated →