Flat grade share
- Milton Keynes Marathon Half Marathon
- 67.0% Favoured
Milton Keynes Marathon Half Marathon vs Milton Keynes Marathon 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofMilton Keynes Marathon Half Marathon or Milton Keynes Marathon 5K — which comes out ahead?
Milton Keynes Marathon Half Marathon and Milton Keynes Marathon 5K split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Milton Keynes Marathon Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.5%
- flat grade share
- 67.0% Favoured
- lower ascent
- 162 m
- climbing density
- 7.7 m/km
- net elevation
- -3 m
- maximum grade
- 8.1%
Milton Keynes Marathon 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -2.6% Favoured
- flat grade share
- 56.4%
- lower ascent
- 29 m
- climbing density
- 5.8 m/km
- net elevation
- -32 m
- maximum grade
- 7.0%
| Metric | Milton Keynes Marathon Half Marathon | Milton Keynes Marathon 5K |
|---|---|---|
| Flat grade share | 67.0% ✓ | 56.4% |
| GAP factor (% slower than flat) | 0.5% | -2.6% ✓ |
| Uphill share | 16.2% | 13.5% |
| Steep-up share | 0.4% | 0.4% |
| Downhill share | 16.8% | 30.1% |
| Total ascent (m) | 162 m | 29 m |
| Climbing density (m/km) | 7.7 m/km | 5.8 m/km |
| Longest climb length (m) | 420 m | 340 m |
| Longest climb gain (m) | 15 m | 10 m |
| Longest climb average grade | 3.6% | 3.1% |
| Total descent (m) | 165 m | 61 m |
| Net elevation (m) | -3 m | -32 m |
| Max absolute grade | 8.1% | 7.0% |
| Start elevation (m) | 78 m | 107 m |
| Finish elevation (m) | 75 m | 75 m |
| Scenic score | 85/100 | 85/100 |
| Conditions | 86/100 | 86/100 |
GAP factor (% slower than flat)
- Milton Keynes Marathon 5K
- -2.6% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Milton Keynes Marathon 5K
- 5.8 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
Conditions
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.
Same-distance comparisons are most meaningful; cross-distance metrics are contextual.
Race facts that change the decision
| Fact | Milton Keynes Marathon Half Marathon | Milton Keynes Marathon 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date). |
| Location | Milton Keynes, Buckinghamshire, South East | Milton Keynes, Buckinghamshire, South East |
| Actual distance | 21.1 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Scenery | Parkland, Lakeside, Riverside, City, Forest, Countryside | Parkland, Lakeside, Riverside, City, Forest, Countryside |
| Atmosphere | Community, Destination | Community, Destination |
| Total ascent | 162 m | 29 m |
| Climbing density | 7.7 m/km | 5.8 m/km |
| Total descent | 165 m | 61 m |
| Net elevation | -3 m | -32 m |
| Max absolute grade | 8.1% | 7.0% |
| Flat grade share | 67.0% | 56.4% |
| GAP factor | 0.5% | -2.6% |
| Cutoff | 3:30:00 | 45:00 |
| Entry model | Open | Open |
| Measured course | Yes | Unavailable |
Schedule
- Milton Keynes Marathon Half Marathon
Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date).
- Milton Keynes Marathon 5K
Exact race date not confirmed. Event weekend starts 2026-05-03 (legacy event-level date).
Location
- Milton Keynes Marathon Half Marathon
- Milton Keynes, Buckinghamshire, South East
- Milton Keynes Marathon 5K
- Milton Keynes, Buckinghamshire, South East
Actual distance
- Milton Keynes Marathon Half Marathon
- 21.1 km
- Milton Keynes Marathon 5K
- 5 km
raceindex.org mapped route held
- Milton Keynes Marathon Half Marathon
- Held
- Milton Keynes Marathon 5K
- Held
raceindex.org elevation profile held
- Milton Keynes Marathon Half Marathon
- Held
- Milton Keynes Marathon 5K
- Held
Scenery
- Milton Keynes Marathon Half Marathon
- Parkland, Lakeside, Riverside, City, Forest, Countryside
- Milton Keynes Marathon 5K
- Parkland, Lakeside, Riverside, City, Forest, Countryside
Atmosphere
- Milton Keynes Marathon Half Marathon
- Community, Destination
- Milton Keynes Marathon 5K
- Community, Destination
Total ascent
- Milton Keynes Marathon Half Marathon
- 162 m
- Milton Keynes Marathon 5K
- 29 m
Climbing density
- Milton Keynes Marathon Half Marathon
- 7.7 m/km
- Milton Keynes Marathon 5K
- 5.8 m/km
Total descent
- Milton Keynes Marathon Half Marathon
- 165 m
- Milton Keynes Marathon 5K
- 61 m
Net elevation
- Milton Keynes Marathon Half Marathon
- -3 m
- Milton Keynes Marathon 5K
- -32 m
Max absolute grade
- Milton Keynes Marathon Half Marathon
- 8.1%
- Milton Keynes Marathon 5K
- 7.0%
Flat grade share
- Milton Keynes Marathon Half Marathon
- 67.0%
- Milton Keynes Marathon 5K
- 56.4%
GAP factor
- Milton Keynes Marathon Half Marathon
- 0.5%
- Milton Keynes Marathon 5K
- -2.6%
Cutoff
- Milton Keynes Marathon Half Marathon
- 3:30:00
- Milton Keynes Marathon 5K
- 45:00
Entry model
- Milton Keynes Marathon Half Marathon
- Open
- Milton Keynes Marathon 5K
- Open
Measured course
- Milton Keynes Marathon Half Marathon
- Yes
- Milton Keynes Marathon 5K
- 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, Milton Keynes Marathon Half Marathon or Milton Keynes Marathon 5K?
Milton Keynes Marathon 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.