Flat grade share
- Belfast City Marathon
- 88.2% Favoured
Belfast City Marathon vs Tollymore Extreme (Tollymore Trail Marathon), Newcastle
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofBelfast City Marathon or Tollymore Extreme (Tollymore Trail Marathon), Newcastle — which comes out ahead?
Belfast City Marathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Belfast City Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -0.1% Favoured
- flat grade share
- 88.2% Favoured
- lower ascent
- 177 m
- climbing density
- 4.2 m/km
- net elevation
- -22 m
- maximum grade
- 5.4%
Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 5.4%
- flat grade share
- 21.6%
- lower ascent
- 1,084 m
- climbing density
- 25.7 m/km
- net elevation
- -7 m
- maximum grade
- 28.1%
| Metric | Belfast City Marathon | Tollymore Extreme (Tollymore Trail Marathon), Newcastle |
|---|---|---|
| Flat grade share | 88.2% ✓ | 21.6% |
| GAP factor (% slower than flat) | -0.1% ✓ | 5.4% |
| Uphill share | 5.9% | 40.7% |
| Steep-up share | 0.0% | 18.9% |
| Downhill share | 5.9% | 37.7% |
| Total ascent (m) | 177 m | 1,084 m |
| Climbing density (m/km) | 4.2 m/km | 25.7 m/km |
| Longest climb length (m) | 2,010 m | 1,560 m |
| Longest climb gain (m) | 44 m | 104 m |
| Longest climb average grade | 2.2% | 6.7% |
| Total descent (m) | 198 m | 1,092 m |
| Net elevation (m) | -22 m | -7 m |
| Max absolute grade | 5.4% | 28.1% |
| Start elevation (m) | 24 m | 88 m |
| Finish elevation (m) | 2 m | 80 m |
| Value | 76/100 | Unavailable |
| Scenic score | 61/100 | 100/100 ✓ |
| Conditions | 86/100 ✓ | 47/100 |
| Entry fee (GBP) | £75 | Unavailable |
| Lowest modelled true cost (GBP) | £205 | Unavailable |
GAP factor (% slower than flat)
- Belfast City Marathon
- -0.1% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Belfast City Marathon
- 4.2 m/km
Longest climb length (m)
- Belfast City Marathon
- 2,010 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Value
- Belfast City Marathon
- 76/100
Scenic score
- Belfast City Marathon
- 61/100
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 100/100 Favoured
Conditions
- Belfast City Marathon
- 86/100 Favoured
Entry fee (GBP)
Lowest modelled true cost (GBP)
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 | Belfast City Marathon | Tollymore Extreme (Tollymore Trail Marathon), Newcastle |
|---|---|---|
| Schedule | Exact race date awaiting a fresh source check. | Exact race date not confirmed. Event weekend starts 2026-11-14 (legacy event-level date). |
| Location | Belfast, Northern Ireland | Newcastle, Northern Ireland |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Laps |
| Surface | Unavailable | Mostly forest gravel road/service tracks (often rutted from rain, with leaf litter, fallen branches and mud) plus one short, slippery single Track section. |
| Elevation character | Rolling | Hilly |
| Terrain | Road | Road |
| Scenery | Waterfront, City, Riverside, Parkland | Countryside, Mountain, Forest, Historic, Parkland, Coastal, Riverside |
| Atmosphere | Big City, Community | Unavailable |
| Technicality | Non Technical | Moderate |
| Total ascent | 177 m | 1,084 m |
| Climbing density | 4.2 m/km | 25.7 m/km |
| Total descent | 198 m | 1,092 m |
| Net elevation | -22 m | -7 m |
| Max absolute grade | 5.4% | 28.1% |
| Flat grade share | 88.2% | 21.6% |
| GAP factor | -0.1% | 5.4% |
| Cutoff | 6:00:00 | Unavailable |
| Entry model | Open | Open |
| Entry fee | £75 | Unavailable |
| Lowest modelled true cost | £205 | Unavailable |
| Cost model origin | National Average | Unavailable |
Schedule
- Belfast City Marathon
Exact race date awaiting a fresh source check.
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
Exact race date not confirmed. Event weekend starts 2026-11-14 (legacy event-level date).
Location
- Belfast City Marathon
- Belfast, Northern Ireland
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Newcastle, Northern Ireland
Actual distance
- Belfast City Marathon
- 42.2 km
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 42.2 km
raceindex.org mapped route held
- Belfast City Marathon
- Held
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Held
raceindex.org elevation profile held
- Belfast City Marathon
- Held
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Held
Course type
- Belfast City Marathon
- Point To Point
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Laps
Surface
- Belfast City Marathon
- Unavailable
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Mostly forest gravel road/service tracks (often rutted from rain, with leaf litter, fallen branches and mud) plus one short, slippery single Track section.
Elevation character
- Belfast City Marathon
- Rolling
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Hilly
Terrain
- Belfast City Marathon
- Road
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Road
Scenery
- Belfast City Marathon
- Waterfront, City, Riverside, Parkland
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Countryside, Mountain, Forest, Historic, Parkland, Coastal, Riverside
Atmosphere
- Belfast City Marathon
- Big City, Community
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Unavailable
Technicality
- Belfast City Marathon
- Non Technical
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Moderate
Total ascent
- Belfast City Marathon
- 177 m
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 1,084 m
Climbing density
- Belfast City Marathon
- 4.2 m/km
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 25.7 m/km
Total descent
- Belfast City Marathon
- 198 m
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 1,092 m
Net elevation
- Belfast City Marathon
- -22 m
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- -7 m
Max absolute grade
- Belfast City Marathon
- 5.4%
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 28.1%
Flat grade share
- Belfast City Marathon
- 88.2%
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 21.6%
GAP factor
- Belfast City Marathon
- -0.1%
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- 5.4%
Cutoff
- Belfast City Marathon
- 6:00:00
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Unavailable
Entry model
- Belfast City Marathon
- Open
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Open
Entry fee
- Belfast City Marathon
- £75
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Unavailable
Lowest modelled true cost
- Belfast City Marathon
- £205
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Unavailable
Cost model origin
- Belfast City Marathon
- National Average
- Tollymore Extreme (Tollymore Trail Marathon), Newcastle
- Unavailable
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, Belfast City Marathon or Tollymore Extreme (Tollymore Trail Marathon), Newcastle?
Belfast City Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.