Flat grade share
- Naptown Half Marathon & 10K/5K
- 79.8% Favoured
Naptown Half Marathon & 10K/5K vs Naptown Half Marathon & 10K/5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofNaptown Half Marathon & 10K/5K or Naptown Half Marathon & 10K/5K — which comes out ahead?
Naptown Half Marathon & 10K/5K has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
Naptown Half Marathon & 10K/5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.5% Favoured
- flat grade share
- 79.8% Favoured
- lower ascent
- 63 m
- climbing density
- 6.3 m/km
- net elevation
- -0 m
- maximum grade
- 9.3%
Naptown Half Marathon & 10K/5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.9%
- flat grade share
- 63.1%
- lower ascent
- 208 m
- climbing density
- 9.8 m/km
- net elevation
- 0 m
- maximum grade
- 11.1%
| Metric | Naptown Half Marathon & 10K/5K | Naptown Half Marathon & 10K/5K |
|---|---|---|
| Flat grade share | 79.8% ✓ | 63.1% |
| GAP factor (% slower than flat) | 0.5% ✓ | 0.9% |
| Uphill share | 10.9% | 18.6% |
| Steep-up share | 0.4% | 1.3% |
| Downhill share | 9.4% | 18.3% |
| Total ascent (m) | 63 m | 208 m |
| Climbing density (m/km) | 6.3 m/km | 9.8 m/km |
| Longest climb length (m) | 640 m | 790 m |
| Longest climb gain (m) | 10 m | 23 m |
| Longest climb average grade | 1.5% | 3.0% |
| Total descent (m) | 63 m | 208 m |
| Net elevation (m) | -0 m | 0 m |
| Max absolute grade | 9.3% | 11.1% |
| Start elevation (m) | 18 m | 18 m |
| Finish elevation (m) | 18 m | 18 m |
| Scenic score | 78/100 | 93/100 ✓ |
| Conditions | 76/100 | 76/100 |
GAP factor (% slower than flat)
- Naptown Half Marathon & 10K/5K
- 0.5% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Naptown Half Marathon & 10K/5K
- 6.3 m/km
- Naptown Half Marathon & 10K/5K
- 9.8 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
- Naptown Half Marathon & 10K/5K
- 93/100 Favoured
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 | Naptown Half Marathon & 10K/5K | Naptown Half Marathon & 10K/5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-12-19 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-12-19 (legacy event-level date). |
| Location | Annapolis, Maryland | Annapolis, Maryland |
| Actual distance | 10 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Loop |
| Surface | Unavailable | Mixed roads through downtown Annapolis plus the paved Baltimore Annapolis Trail |
| Elevation character | Unavailable | Rolling |
| Terrain | Trail | Trail, Mixed, Road |
| Scenery | City, Historic, Waterfront, Riverside, Forest, Parkland | Waterfront, City, Historic, Riverside, Forest, Parkland |
| Atmosphere | Scenic Tour, Community | Scenic Tour, Community |
| Technicality | Unavailable | Moderate |
| Total ascent | 63 m | 208 m |
| Climbing density | 6.3 m/km | 9.8 m/km |
| Total descent | 63 m | 208 m |
| Net elevation | -0 m | 0 m |
| Max absolute grade | 9.3% | 11.1% |
| Flat grade share | 79.8% | 63.1% |
| GAP factor | 0.5% | 0.9% |
| Entry model | Open | Open |
| Qualifying status | Unavailable | Boston_equivalent |
Schedule
- Naptown Half Marathon & 10K/5K
Exact race date not confirmed. Event weekend starts 2026-12-19 (legacy event-level date).
- Naptown Half Marathon & 10K/5K
Exact race date not confirmed. Event weekend starts 2026-12-19 (legacy event-level date).
Location
- Naptown Half Marathon & 10K/5K
- Annapolis, Maryland
- Naptown Half Marathon & 10K/5K
- Annapolis, Maryland
Actual distance
- Naptown Half Marathon & 10K/5K
- 10 km
- Naptown Half Marathon & 10K/5K
- 21.1 km
raceindex.org mapped route held
- Naptown Half Marathon & 10K/5K
- Held
- Naptown Half Marathon & 10K/5K
- Held
raceindex.org elevation profile held
- Naptown Half Marathon & 10K/5K
- Held
- Naptown Half Marathon & 10K/5K
- Held
Course type
- Naptown Half Marathon & 10K/5K
- Unavailable
- Naptown Half Marathon & 10K/5K
- Loop
Surface
- Naptown Half Marathon & 10K/5K
- Unavailable
- Naptown Half Marathon & 10K/5K
- Mixed roads through downtown Annapolis plus the paved Baltimore Annapolis Trail
Elevation character
- Naptown Half Marathon & 10K/5K
- Unavailable
- Naptown Half Marathon & 10K/5K
- Rolling
Terrain
- Naptown Half Marathon & 10K/5K
- Trail
- Naptown Half Marathon & 10K/5K
- Trail, Mixed, Road
Scenery
- Naptown Half Marathon & 10K/5K
- City, Historic, Waterfront, Riverside, Forest, Parkland
- Naptown Half Marathon & 10K/5K
- Waterfront, City, Historic, Riverside, Forest, Parkland
Atmosphere
- Naptown Half Marathon & 10K/5K
- Scenic Tour, Community
- Naptown Half Marathon & 10K/5K
- Scenic Tour, Community
Technicality
- Naptown Half Marathon & 10K/5K
- Unavailable
- Naptown Half Marathon & 10K/5K
- Moderate
Total ascent
- Naptown Half Marathon & 10K/5K
- 63 m
- Naptown Half Marathon & 10K/5K
- 208 m
Climbing density
- Naptown Half Marathon & 10K/5K
- 6.3 m/km
- Naptown Half Marathon & 10K/5K
- 9.8 m/km
Total descent
- Naptown Half Marathon & 10K/5K
- 63 m
- Naptown Half Marathon & 10K/5K
- 208 m
Net elevation
- Naptown Half Marathon & 10K/5K
- -0 m
- Naptown Half Marathon & 10K/5K
- 0 m
Max absolute grade
- Naptown Half Marathon & 10K/5K
- 9.3%
- Naptown Half Marathon & 10K/5K
- 11.1%
Flat grade share
- Naptown Half Marathon & 10K/5K
- 79.8%
- Naptown Half Marathon & 10K/5K
- 63.1%
GAP factor
- Naptown Half Marathon & 10K/5K
- 0.5%
- Naptown Half Marathon & 10K/5K
- 0.9%
Entry model
- Naptown Half Marathon & 10K/5K
- Open
- Naptown Half Marathon & 10K/5K
- Open
Qualifying status
- Naptown Half Marathon & 10K/5K
- Unavailable
- Naptown Half Marathon & 10K/5K
- Boston_equivalent
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, Naptown Half Marathon & 10K/5K or Naptown Half Marathon & 10K/5K?
Naptown Half Marathon & 10K/5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.