Flat grade share
- ATW Bedford 10k & Half Marathon
- 99.5% Favoured
Cambridge Half Marathon vs ATW Bedford 10k & Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofCambridge Half Marathon or ATW Bedford 10k & Half Marathon — which comes out ahead?
ATW Bedford 10k & Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Cambridge Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2%
- flat grade share
- 88.2%
- lower ascent
- 95 m
- climbing density
- 4.5 m/km
- net elevation
- -0 m
- maximum grade
- 4.7%
ATW Bedford 10k & Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1% Favoured
- flat grade share
- 99.5% Favoured
- lower ascent
- 15 m
- climbing density
- 0.7 m/km
- net elevation
- 0 m
- maximum grade
- 2.9%
| Metric | Cambridge Half Marathon | ATW Bedford 10k & Half Marathon |
|---|---|---|
| Flat grade share | 88.2% | 99.5% ✓ |
| GAP factor (% slower than flat) | 0.2% | 0.1% ✓ |
| Uphill share | 6.3% | 0.5% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 5.5% | 0.0% |
| Total ascent (m) | 95 m | 15 m |
| Climbing density (m/km) | 4.5 m/km | 0.7 m/km |
| Longest climb length (m) | 430 m | 310 m |
| Longest climb gain (m) | 9 m | 3 m |
| Longest climb average grade | 2.1% | 0.9% |
| Total descent (m) | 95 m | 15 m |
| Net elevation (m) | -0 m | 0 m |
| Max absolute grade | 4.7% | 2.9% |
| Start elevation (m) | 12 m | 26 m |
| Finish elevation (m) | 12 m | 26 m |
| Scenic score | 61/100 ✓ | 53/100 |
| Conditions | 79/100 | 82/100 ✓ |
GAP factor (% slower than flat)
- ATW Bedford 10k & Half Marathon
- 0.1% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Cambridge Half Marathon
- 4.5 m/km
- ATW Bedford 10k & Half Marathon
- 0.7 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
- Cambridge Half Marathon
- 61/100 Favoured
Conditions
- Cambridge Half Marathon
- 79/100
- ATW Bedford 10k & Half Marathon
- 82/100 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 | Cambridge Half Marathon | ATW Bedford 10k & Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-03-14 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-11-01 (legacy event-level date). |
| Location | Cambridge, East Of England | Bedford, East Of England |
| 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 | Laps |
| Surface | Road | Unavailable |
| Elevation character | Pancake Flat | Pancake Flat |
| Terrain | Road | Mixed, Road |
| Scenery | Riverside, City, Historic, Countryside, Parkland | Parkland, Riverside, Lakeside, City |
| Atmosphere | Big City, Festival, Charity | Community, Charity |
| Technicality | Non Technical | Non Technical |
| Total ascent | 95 m | 15 m |
| Climbing density | 4.5 m/km | 0.7 m/km |
| Total descent | 95 m | 15 m |
| Net elevation | -0 m | 0 m |
| Max absolute grade | 4.7% | 2.9% |
| Flat grade share | 88.2% | 99.5% |
| GAP factor | 0.2% | 0.1% |
| Cutoff | 3:30:00 | Unavailable |
| Entry model | Open | Open |
| Measured course | Yes | Yes |
Schedule
- Cambridge Half Marathon
Exact race date not confirmed. Event weekend starts 2027-03-14 (legacy event-level date).
- ATW Bedford 10k & Half Marathon
Exact race date not confirmed. Event weekend starts 2026-11-01 (legacy event-level date).
Location
- Cambridge Half Marathon
- Cambridge, East Of England
- ATW Bedford 10k & Half Marathon
- Bedford, East Of England
Actual distance
- Cambridge Half Marathon
- 21.1 km
- ATW Bedford 10k & Half Marathon
- 21.1 km
raceindex.org mapped route held
- Cambridge Half Marathon
- Held
- ATW Bedford 10k & Half Marathon
- Held
raceindex.org elevation profile held
- Cambridge Half Marathon
- Held
- ATW Bedford 10k & Half Marathon
- Held
Course type
- Cambridge Half Marathon
- Loop
- ATW Bedford 10k & Half Marathon
- Laps
Surface
- Cambridge Half Marathon
- Road
- ATW Bedford 10k & Half Marathon
- Unavailable
Elevation character
- Cambridge Half Marathon
- Pancake Flat
- ATW Bedford 10k & Half Marathon
- Pancake Flat
Terrain
- Cambridge Half Marathon
- Road
- ATW Bedford 10k & Half Marathon
- Mixed, Road
Scenery
- Cambridge Half Marathon
- Riverside, City, Historic, Countryside, Parkland
- ATW Bedford 10k & Half Marathon
- Parkland, Riverside, Lakeside, City
Atmosphere
- Cambridge Half Marathon
- Big City, Festival, Charity
- ATW Bedford 10k & Half Marathon
- Community, Charity
Technicality
- Cambridge Half Marathon
- Non Technical
- ATW Bedford 10k & Half Marathon
- Non Technical
Total ascent
- Cambridge Half Marathon
- 95 m
- ATW Bedford 10k & Half Marathon
- 15 m
Climbing density
- Cambridge Half Marathon
- 4.5 m/km
- ATW Bedford 10k & Half Marathon
- 0.7 m/km
Total descent
- Cambridge Half Marathon
- 95 m
- ATW Bedford 10k & Half Marathon
- 15 m
Net elevation
- Cambridge Half Marathon
- -0 m
- ATW Bedford 10k & Half Marathon
- 0 m
Max absolute grade
- Cambridge Half Marathon
- 4.7%
- ATW Bedford 10k & Half Marathon
- 2.9%
Flat grade share
- Cambridge Half Marathon
- 88.2%
- ATW Bedford 10k & Half Marathon
- 99.5%
GAP factor
- Cambridge Half Marathon
- 0.2%
- ATW Bedford 10k & Half Marathon
- 0.1%
Cutoff
- Cambridge Half Marathon
- 3:30:00
- ATW Bedford 10k & Half Marathon
- Unavailable
Entry model
- Cambridge Half Marathon
- Open
- ATW Bedford 10k & Half Marathon
- Open
Measured course
- Cambridge Half Marathon
- Yes
- ATW Bedford 10k & Half Marathon
- Yes
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, Cambridge Half Marathon or ATW Bedford 10k & Half Marathon?
ATW Bedford 10k & Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.