Flat grade share
- Regeneron Great Limerick Run Half Marathon
- 80.6% Favoured
Connemara International Marathon (Connemarathon) Half Marathon vs Regeneron Great Limerick Run Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofConnemara International Marathon (Connemarathon) Half Marathon or Regeneron Great Limerick Run Half Marathon — which comes out ahead?
Regeneron Great Limerick Run Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Connemara International Marathon (Connemarathon) Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 2.0%
- flat grade share
- 60.9%
- lower ascent
- 239 m
- climbing density
- 11.3 m/km
- net elevation
- 29 m
- maximum grade
- 19.4%
Regeneron Great Limerick Run Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 80.6% Favoured
- lower ascent
- 114 m
- climbing density
- 5.4 m/km
- net elevation
- -3 m
- maximum grade
- 5.4%
| Metric | Connemara International Marathon (Connemarathon) Half Marathon | Regeneron Great Limerick Run Half Marathon |
|---|---|---|
| Flat grade share | 60.9% | 80.6% ✓ |
| GAP factor (% slower than flat) | 2.0% | 0.2% ✓ |
| Uphill share | 20.1% | 9.7% |
| Steep-up share | 4.6% | 0.0% |
| Downhill share | 19.0% | 9.7% |
| Total ascent (m) | 239 m | 114 m |
| Climbing density (m/km) | 11.3 m/km | 5.4 m/km |
| Longest climb length (m) | 1,860 m | 1,110 m |
| Longest climb gain (m) | 73 m | 19 m |
| Longest climb average grade | 3.9% | 1.7% |
| Total descent (m) | 210 m | 117 m |
| Net elevation (m) | 29 m | -3 m |
| Max absolute grade | 19.4% | 5.4% |
| Start elevation (m) | 13 m | 16 m |
| Finish elevation (m) | 42 m | 13 m |
| Scenic score | 100/100 ✓ | 60/100 |
| Conditions | 69/100 | 87/100 ✓ |
GAP factor (% slower than flat)
- Regeneron Great Limerick Run Half Marathon
- 0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
Longest climb length (m)
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Scenic score
- Connemara International Marathon (Connemarathon) Half Marathon
- 100/100 Favoured
Conditions
- Regeneron Great Limerick Run Half Marathon
- 87/100 Favoured
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
| Fact | Connemara International Marathon (Connemarathon) Half Marathon | Regeneron Great Limerick Run Half 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 2027-05-02 (legacy event-level date). |
| Location | Connemara, County Galway, Ireland | Limerick, Ireland |
| Actual distance | 21.1 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Unavailable |
| Surface | 100% of all three race distances is on road; there is no trail section. | Road |
| Elevation character | Unavailable | Flat |
| Terrain | Road | Road |
| Scenery | Countryside, Mountain, Lakeside, Moorland, Waterfront, Coastal | City, Waterfront, Countryside, Riverside, Historic |
| Atmosphere | Scenic Tour, Wilderness, Destination | Big City, Community, Festival |
| Total ascent | 239 m | 114 m |
| Climbing density | 11.3 m/km | 5.4 m/km |
| Total descent | 210 m | 117 m |
| Net elevation | 29 m | -3 m |
| Max absolute grade | 19.4% | 5.4% |
| Flat grade share | 60.9% | 80.6% |
| GAP factor | 2.0% | 0.2% |
| Cutoff | 6:30:00 | Unavailable |
| Entry model | Open | Open |
Schedule
- Connemara International Marathon (Connemarathon) Half Marathon
Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date).
- Regeneron Great Limerick Run Half Marathon
Exact race date not confirmed. Event weekend starts 2027-05-02 (legacy event-level date).
Location
- Connemara International Marathon (Connemarathon) Half Marathon
- Connemara, County Galway, Ireland
- Regeneron Great Limerick Run Half Marathon
- Limerick, Ireland
Actual distance
- Connemara International Marathon (Connemarathon) Half Marathon
- 21.1 km
- Regeneron Great Limerick Run Half Marathon
- 21.1 km
raceindex.org mapped route held
- Connemara International Marathon (Connemarathon) Half Marathon
- Held
- Regeneron Great Limerick Run Half Marathon
- Held
raceindex.org elevation profile held
- Connemara International Marathon (Connemarathon) Half Marathon
- Held
- Regeneron Great Limerick Run Half Marathon
- Held
Course type
- Connemara International Marathon (Connemarathon) Half Marathon
- Point To Point
- Regeneron Great Limerick Run Half Marathon
- Unavailable
Surface
- Connemara International Marathon (Connemarathon) Half Marathon
- 100% of all three race distances is on road; there is no trail section.
- Regeneron Great Limerick Run Half Marathon
- Road
Elevation character
- Connemara International Marathon (Connemarathon) Half Marathon
- Unavailable
- Regeneron Great Limerick Run Half Marathon
- Flat
Terrain
- Connemara International Marathon (Connemarathon) Half Marathon
- Road
- Regeneron Great Limerick Run Half Marathon
- Road
Scenery
- Connemara International Marathon (Connemarathon) Half Marathon
- Countryside, Mountain, Lakeside, Moorland, Waterfront, Coastal
- Regeneron Great Limerick Run Half Marathon
- City, Waterfront, Countryside, Riverside, Historic
Atmosphere
- Connemara International Marathon (Connemarathon) Half Marathon
- Scenic Tour, Wilderness, Destination
- Regeneron Great Limerick Run Half Marathon
- Big City, Community, Festival
Total ascent
- Connemara International Marathon (Connemarathon) Half Marathon
- 239 m
- Regeneron Great Limerick Run Half Marathon
- 114 m
Climbing density
- Connemara International Marathon (Connemarathon) Half Marathon
- 11.3 m/km
- Regeneron Great Limerick Run Half Marathon
- 5.4 m/km
Total descent
- Connemara International Marathon (Connemarathon) Half Marathon
- 210 m
- Regeneron Great Limerick Run Half Marathon
- 117 m
Net elevation
- Connemara International Marathon (Connemarathon) Half Marathon
- 29 m
- Regeneron Great Limerick Run Half Marathon
- -3 m
Max absolute grade
- Connemara International Marathon (Connemarathon) Half Marathon
- 19.4%
- Regeneron Great Limerick Run Half Marathon
- 5.4%
Flat grade share
- Connemara International Marathon (Connemarathon) Half Marathon
- 60.9%
- Regeneron Great Limerick Run Half Marathon
- 80.6%
GAP factor
- Connemara International Marathon (Connemarathon) Half Marathon
- 2.0%
- Regeneron Great Limerick Run Half Marathon
- 0.2%
Cutoff
- Connemara International Marathon (Connemarathon) Half Marathon
- 6:30:00
- Regeneron Great Limerick Run Half Marathon
- Unavailable
Entry model
- Connemara International Marathon (Connemarathon) Half Marathon
- Open
- Regeneron Great Limerick 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, Connemara International Marathon (Connemarathon) Half Marathon or Regeneron Great Limerick Run Half Marathon?
Regeneron Great Limerick Run Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.