Flat grade share
- Wilmslow Half Marathon 10K
- 91.1% Favoured
- Chester Marathon 10K
- 79.5%
Wilmslow Half Marathon 10K vs Chester Marathon 10K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofWilmslow Half Marathon 10K or Chester Marathon 10K — which comes out ahead?
Wilmslow Half Marathon 10K and Chester Marathon 10K split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Wilmslow Half Marathon 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.0% Favoured
- flat grade share
- 91.1% Favoured
- lower ascent
- 40 m
- climbing density
- 4.0 m/km
- net elevation
- -3 m
- maximum grade
- 3.4%
Chester Marathon 10K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.9%
- flat grade share
- 79.5%
- lower ascent
- 60 m
- climbing density
- 6.0 m/km
- net elevation
- 11 m
- maximum grade
- 6.2%
| Metric | Wilmslow Half Marathon 10K | Chester Marathon 10K |
|---|---|---|
| Flat grade share | 91.1% ✓ | 79.5% |
| GAP factor (% slower than flat) | 0.0% ✓ | 0.9% |
| Uphill share | 4.7% | 11.8% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 4.2% | 8.7% |
| Total ascent (m) | 40 m | 60 m |
| Climbing density (m/km) | 4.0 m/km | 6.0 m/km |
| Longest climb length (m) | 710 m | 840 m |
| Longest climb gain (m) | 7 m | 15 m |
| Longest climb average grade | 1.0% | 1.8% |
| Total descent (m) | 43 m | 50 m |
| Net elevation (m) | -3 m | 11 m |
| Max absolute grade | 3.4% | 6.2% |
| Start elevation (m) | 80 m | 14 m |
| Finish elevation (m) | 77 m | 25 m |
| Scenic score | 13/100 | 48/100 ✓ |
| Conditions | 81/100 | 83/100 ✓ |
GAP factor (% slower than flat)
- Wilmslow Half Marathon 10K
- 0.0% Favoured
Uphill share
- Chester Marathon 10K
- 11.8%
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Wilmslow Half Marathon 10K
- 4.0 m/km
- Chester Marathon 10K
- 6.0 m/km
Longest climb length (m)
- Chester Marathon 10K
- 840 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
- Chester Marathon 10K
- 48/100 Favoured
Conditions
- Chester Marathon 10K
- 83/100 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 10K | Chester Marathon 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-03-21 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date). |
| Location | Wilmslow, North West | Chester, North West |
| Actual distance | 10 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Fast, flat, scenic city centre route |
| Surface | Road | Unavailable |
| Terrain | Road | Unavailable |
| Scenery | Countryside | Riverside, City, Historic, Countryside |
| Atmosphere | Community, Competitive, Charity | Scenic Tour, Community |
| Total ascent | 40 m | 60 m |
| Climbing density | 4.0 m/km | 6.0 m/km |
| Total descent | 43 m | 50 m |
| Net elevation | -3 m | 11 m |
| Max absolute grade | 3.4% | 6.2% |
| Flat grade share | 91.1% | 79.5% |
| GAP factor | 0.0% | 0.9% |
| Cutoff | 1:45:00 | Unavailable |
| Entry model | Open | Open |
| Measured course | Yes | Unavailable |
Schedule
- Wilmslow Half Marathon 10K
Exact race date not confirmed. Event weekend starts 2027-03-21 (legacy event-level date).
- Chester Marathon 10K
Exact race date not confirmed. Event weekend starts 2026-10-11 (legacy event-level date).
Location
- Wilmslow Half Marathon 10K
- Wilmslow, North West
- Chester Marathon 10K
- Chester, North West
Actual distance
- Wilmslow Half Marathon 10K
- 10 km
- Chester Marathon 10K
- 10 km
raceindex.org mapped route held
- Wilmslow Half Marathon 10K
- Held
- Chester Marathon 10K
- Held
raceindex.org elevation profile held
- Wilmslow Half Marathon 10K
- Held
- Chester Marathon 10K
- Held
Course type
- Wilmslow Half Marathon 10K
- Unavailable
- Chester Marathon 10K
- Fast, flat, scenic city centre route
Surface
- Wilmslow Half Marathon 10K
- Road
- Chester Marathon 10K
- Unavailable
Terrain
- Wilmslow Half Marathon 10K
- Road
- Chester Marathon 10K
- Unavailable
Scenery
- Wilmslow Half Marathon 10K
- Countryside
- Chester Marathon 10K
- Riverside, City, Historic, Countryside
Atmosphere
- Wilmslow Half Marathon 10K
- Community, Competitive, Charity
- Chester Marathon 10K
- Scenic Tour, Community
Total ascent
- Wilmslow Half Marathon 10K
- 40 m
- Chester Marathon 10K
- 60 m
Climbing density
- Wilmslow Half Marathon 10K
- 4.0 m/km
- Chester Marathon 10K
- 6.0 m/km
Total descent
- Wilmslow Half Marathon 10K
- 43 m
- Chester Marathon 10K
- 50 m
Net elevation
- Wilmslow Half Marathon 10K
- -3 m
- Chester Marathon 10K
- 11 m
Max absolute grade
- Wilmslow Half Marathon 10K
- 3.4%
- Chester Marathon 10K
- 6.2%
Flat grade share
- Wilmslow Half Marathon 10K
- 91.1%
- Chester Marathon 10K
- 79.5%
GAP factor
- Wilmslow Half Marathon 10K
- 0.0%
- Chester Marathon 10K
- 0.9%
Cutoff
- Wilmslow Half Marathon 10K
- 1:45:00
- Chester Marathon 10K
- Unavailable
Entry model
- Wilmslow Half Marathon 10K
- Open
- Chester Marathon 10K
- Open
Measured course
- Wilmslow Half Marathon 10K
- Yes
- Chester Marathon 10K
- 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, Wilmslow Half Marathon 10K or Chester Marathon 10K?
Wilmslow Half Marathon 10K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.