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