Flat grade share
- Chelmsford Half Marathon 10K
- Unavailable
ATW Bedford 10k & Half Marathon vs Chelmsford Half Marathon 10K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofATW Bedford 10k & Half Marathon or Chelmsford Half Marathon 10K — which comes out ahead?
ATW Bedford 10k & Half Marathon has the stronger available profile on scenery score and conditions.
Route comparison snapshot
ATW Bedford 10k & Half Marathon
- Mapped route
- Held
- Elevation profile
- Held Favoured
- course flatness
- 0.1%
- flat grade share
- 99.6%
- lower ascent
- 8 m
- climbing density
- 0.8 m/km
- net elevation
- 0 m
- maximum grade
- 2.7%
Chelmsford Half Marathon 10K
- Mapped route
- Held
- Elevation profile
- Not held
- course flatness
- Unavailable
- flat grade share
- Unavailable
- lower ascent
- Unavailable
- climbing density
- Unavailable
- net elevation
- Unavailable
- maximum grade
- Unavailable
| Metric | ATW Bedford 10k & Half Marathon | Chelmsford Half Marathon 10K |
|---|---|---|
| Flat grade share | 99.6% | Unavailable |
| GAP factor (% slower than flat) | 0.1% | Unavailable |
| Uphill share | 0.4% | Unavailable |
| Steep-up share | 0.0% | Unavailable |
| Downhill share | 0.0% | Unavailable |
| Total ascent (m) | 8 m | Unavailable |
| Climbing density (m/km) | 0.8 m/km | Unavailable |
| Longest climb length (m) | 300 m | Unavailable |
| Longest climb gain (m) | 3 m | Unavailable |
| Longest climb average grade | 0.9% | Unavailable |
| Total descent (m) | 7 m | Unavailable |
| Net elevation (m) | 0 m | Unavailable |
| Max absolute grade | 2.7% | Unavailable |
| Start elevation (m) | 26 m | Unavailable |
| Finish elevation (m) | 26 m | Unavailable |
| Value | Unavailable | 81/100 |
| Scenic score | 68/100 ✓ | 5/100 |
| Conditions | 82/100 ✓ | 77/100 |
| Entry fee (GBP) | Unavailable | £47 |
| Lowest modelled true cost (GBP) | Unavailable | £177 |
GAP factor (% slower than flat)
- Chelmsford Half Marathon 10K
- Unavailable
Uphill share
- Chelmsford Half Marathon 10K
- Unavailable
Steep-up share
- Chelmsford Half Marathon 10K
- Unavailable
Downhill share
- Chelmsford Half Marathon 10K
- Unavailable
Total ascent (m)
- Chelmsford Half Marathon 10K
- Unavailable
Climbing density (m/km)
- ATW Bedford 10k & Half Marathon
- 0.8 m/km
- Chelmsford Half Marathon 10K
- Unavailable
Longest climb length (m)
- Chelmsford Half Marathon 10K
- Unavailable
Longest climb gain (m)
- Chelmsford Half Marathon 10K
- Unavailable
Longest climb average grade
- Chelmsford Half Marathon 10K
- Unavailable
Total descent (m)
- Chelmsford Half Marathon 10K
- Unavailable
Net elevation (m)
- Chelmsford Half Marathon 10K
- Unavailable
Max absolute grade
- Chelmsford Half Marathon 10K
- Unavailable
Start elevation (m)
- Chelmsford Half Marathon 10K
- Unavailable
Finish elevation (m)
- Chelmsford Half Marathon 10K
- Unavailable
Value
- ATW Bedford 10k & Half Marathon
- Unavailable
Scenic score
- ATW Bedford 10k & Half Marathon
- 68/100 Favoured
Conditions
- ATW Bedford 10k & Half Marathon
- 82/100 Favoured
Entry fee (GBP)
- ATW Bedford 10k & Half Marathon
- Unavailable
Lowest modelled true cost (GBP)
- ATW Bedford 10k & Half Marathon
- Unavailable
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 | ATW Bedford 10k & Half Marathon | Chelmsford Half Marathon 10K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-11-01 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-03-07 (legacy event-level date). |
| Location | Bedford, East Of England | Chelmsford, East Of England |
| Actual distance | 10 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Not held |
| Course type | Loop | Unavailable |
| Surface | Whole route is on traffic Free tarmac or firm paths | Unavailable |
| Elevation character | Pancake Flat | Unavailable |
| Terrain | Unavailable | Road |
| Scenery | Riverside, Parkland, Lakeside, City | City |
| Atmosphere | Community, Charity | Community, Competitive |
| Total ascent | 8 m | Unavailable |
| Climbing density | 0.8 m/km | Unavailable |
| Total descent | 7 m | Unavailable |
| Net elevation | 0 m | Unavailable |
| Max absolute grade | 2.7% | Unavailable |
| Flat grade share | 99.6% | Unavailable |
| GAP factor | 0.1% | Unavailable |
| Entry model | Open | Open |
| Entry fee | Unavailable | £47 |
| Lowest modelled true cost | Unavailable | £177 |
| Cost model origin | Unavailable | National Average |
| Measured course | Yes | Yes |
Schedule
- ATW Bedford 10k & Half Marathon
Exact race date not confirmed. Event weekend starts 2026-11-01 (legacy event-level date).
- Chelmsford Half Marathon 10K
Exact race date not confirmed. Event weekend starts 2027-03-07 (legacy event-level date).
Location
- ATW Bedford 10k & Half Marathon
- Bedford, East Of England
- Chelmsford Half Marathon 10K
- Chelmsford, East Of England
Actual distance
- ATW Bedford 10k & Half Marathon
- 10 km
- Chelmsford Half Marathon 10K
- 10 km
raceindex.org mapped route held
- ATW Bedford 10k & Half Marathon
- Held
- Chelmsford Half Marathon 10K
- Held
raceindex.org elevation profile held
- ATW Bedford 10k & Half Marathon
- Held
- Chelmsford Half Marathon 10K
- Not held
Course type
- ATW Bedford 10k & Half Marathon
- Loop
- Chelmsford Half Marathon 10K
- Unavailable
Surface
- ATW Bedford 10k & Half Marathon
- Whole route is on traffic Free tarmac or firm paths
- Chelmsford Half Marathon 10K
- Unavailable
Elevation character
- ATW Bedford 10k & Half Marathon
- Pancake Flat
- Chelmsford Half Marathon 10K
- Unavailable
Terrain
- ATW Bedford 10k & Half Marathon
- Unavailable
- Chelmsford Half Marathon 10K
- Road
Scenery
- ATW Bedford 10k & Half Marathon
- Riverside, Parkland, Lakeside, City
- Chelmsford Half Marathon 10K
- City
Atmosphere
- ATW Bedford 10k & Half Marathon
- Community, Charity
- Chelmsford Half Marathon 10K
- Community, Competitive
Total ascent
- ATW Bedford 10k & Half Marathon
- 8 m
- Chelmsford Half Marathon 10K
- Unavailable
Climbing density
- ATW Bedford 10k & Half Marathon
- 0.8 m/km
- Chelmsford Half Marathon 10K
- Unavailable
Total descent
- ATW Bedford 10k & Half Marathon
- 7 m
- Chelmsford Half Marathon 10K
- Unavailable
Net elevation
- ATW Bedford 10k & Half Marathon
- 0 m
- Chelmsford Half Marathon 10K
- Unavailable
Max absolute grade
- ATW Bedford 10k & Half Marathon
- 2.7%
- Chelmsford Half Marathon 10K
- Unavailable
Flat grade share
- ATW Bedford 10k & Half Marathon
- 99.6%
- Chelmsford Half Marathon 10K
- Unavailable
GAP factor
- ATW Bedford 10k & Half Marathon
- 0.1%
- Chelmsford Half Marathon 10K
- Unavailable
Entry model
- ATW Bedford 10k & Half Marathon
- Open
- Chelmsford Half Marathon 10K
- Open
Entry fee
- ATW Bedford 10k & Half Marathon
- Unavailable
- Chelmsford Half Marathon 10K
- £47
Lowest modelled true cost
- ATW Bedford 10k & Half Marathon
- Unavailable
- Chelmsford Half Marathon 10K
- £177
Cost model origin
- ATW Bedford 10k & Half Marathon
- Unavailable
- Chelmsford Half Marathon 10K
- National Average
Measured course
- ATW Bedford 10k & Half Marathon
- Yes
- Chelmsford Half Marathon 10K
- Yes
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.