Flat grade share
- Chester Half Marathon
- 85.6% Favoured
Wilmslow Half Marathon vs Chester Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofWilmslow Half Marathon or Chester Half Marathon — which comes out ahead?
Chester Half Marathon has the stronger available profile on flat grade share, scenery score and conditions.
Route comparison snapshot
Wilmslow Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 82.3%
- lower ascent
- 111 m
- climbing density
- 5.2 m/km
- net elevation
- -3 m
- maximum grade
- 5.9%
Chester Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.9%
- flat grade share
- 85.6% Favoured
- lower ascent
- 116 m
- climbing density
- 5.5 m/km
- net elevation
- 25 m
- maximum grade
- 7.0%
| Metric | Wilmslow Half Marathon | Chester Half Marathon |
|---|---|---|
| Flat grade share | 82.3% | 85.6% ✓ |
| GAP factor (% slower than flat) | 0.2% ✓ | 0.9% |
| Uphill share | 9.3% | 8.2% |
| Steep-up share | 0.0% | 0.6% |
| Downhill share | 8.4% | 6.2% |
| Total ascent (m) | 111 m | 116 m |
| Climbing density (m/km) | 5.2 m/km | 5.5 m/km |
| Longest climb length (m) | 1,010 m | 1,440 m |
| Longest climb gain (m) | 14 m | 29 m |
| Longest climb average grade | 1.4% | 2.0% |
| Total descent (m) | 114 m | 91 m |
| Net elevation (m) | -3 m | 25 m |
| Max absolute grade | 5.9% | 7.0% |
| Start elevation (m) | 80 m | 5 m |
| Finish elevation (m) | 77 m | 30 m |
| Scenic score | 16/100 | 36/100 ✓ |
| Conditions | 81/100 | 87/100 ✓ |
GAP factor (% slower than flat)
- Wilmslow Half Marathon
- 0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Wilmslow Half Marathon
- 5.2 m/km
- Chester Half Marathon
- 5.5 m/km
Longest climb length (m)
- Wilmslow Half Marathon
- 1,010 m
- Chester Half Marathon
- 1,440 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
- Wilmslow Half Marathon
- 16/100
- Chester Half Marathon
- 36/100 Favoured
Conditions
- Wilmslow Half Marathon
- 81/100
- Chester 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 | Wilmslow Half Marathon | Chester Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-03-21 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-05-16 (legacy event-level date). |
| Location | Wilmslow, North West | Chester, North West |
| Actual distance | 21.1 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Point To Point |
| Surface | Road | Road |
| Elevation character | Flat | Flat |
| Terrain | Road | Road |
| Scenery | Countryside | City, Historic, Countryside |
| Atmosphere | Community, Competitive, Charity | Community, Competitive |
| Technicality | Non Technical | Moderate |
| Total ascent | 111 m | 116 m |
| Climbing density | 5.2 m/km | 5.5 m/km |
| Total descent | 114 m | 91 m |
| Net elevation | -3 m | 25 m |
| Max absolute grade | 5.9% | 7.0% |
| Flat grade share | 82.3% | 85.6% |
| GAP factor | 0.2% | 0.9% |
| Cutoff | 3:00:00 | 3:00:00 |
| Field cap | 5,000 | Unavailable |
| Entry model | Open | Open |
| Measured course | Yes | Yes |
| Qualifying status | Unavailable | Championship |
Schedule
- Wilmslow Half Marathon
Exact race date not confirmed. Event weekend starts 2027-03-21 (legacy event-level date).
- Chester Half Marathon
Exact race date not confirmed. Event weekend starts 2027-05-16 (legacy event-level date).
Location
- Wilmslow Half Marathon
- Wilmslow, North West
- Chester Half Marathon
- Chester, North West
Actual distance
- Wilmslow Half Marathon
- 21.1 km
- Chester Half Marathon
- 21.1 km
raceindex.org mapped route held
- Wilmslow Half Marathon
- Held
- Chester Half Marathon
- Held
raceindex.org elevation profile held
- Wilmslow Half Marathon
- Held
- Chester Half Marathon
- Held
Course type
- Wilmslow Half Marathon
- Loop
- Chester Half Marathon
- Point To Point
Surface
- Wilmslow Half Marathon
- Road
- Chester Half Marathon
- Road
Elevation character
- Wilmslow Half Marathon
- Flat
- Chester Half Marathon
- Flat
Terrain
- Wilmslow Half Marathon
- Road
- Chester Half Marathon
- Road
Scenery
- Wilmslow Half Marathon
- Countryside
- Chester Half Marathon
- City, Historic, Countryside
Atmosphere
- Wilmslow Half Marathon
- Community, Competitive, Charity
- Chester Half Marathon
- Community, Competitive
Technicality
- Wilmslow Half Marathon
- Non Technical
- Chester Half Marathon
- Moderate
Total ascent
- Wilmslow Half Marathon
- 111 m
- Chester Half Marathon
- 116 m
Climbing density
- Wilmslow Half Marathon
- 5.2 m/km
- Chester Half Marathon
- 5.5 m/km
Total descent
- Wilmslow Half Marathon
- 114 m
- Chester Half Marathon
- 91 m
Net elevation
- Wilmslow Half Marathon
- -3 m
- Chester Half Marathon
- 25 m
Max absolute grade
- Wilmslow Half Marathon
- 5.9%
- Chester Half Marathon
- 7.0%
Flat grade share
- Wilmslow Half Marathon
- 82.3%
- Chester Half Marathon
- 85.6%
GAP factor
- Wilmslow Half Marathon
- 0.2%
- Chester Half Marathon
- 0.9%
Cutoff
- Wilmslow Half Marathon
- 3:00:00
- Chester Half Marathon
- 3:00:00
Field cap
- Wilmslow Half Marathon
- 5,000
- Chester Half Marathon
- Unavailable
Entry model
- Wilmslow Half Marathon
- Open
- Chester Half Marathon
- Open
Measured course
- Wilmslow Half Marathon
- Yes
- Chester Half Marathon
- Yes
Qualifying status
- Wilmslow Half Marathon
- Unavailable
- Chester Half Marathon
- Championship
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, Wilmslow Half Marathon or Chester Half Marathon?
Wilmslow Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.