Flat grade share
- Sioux Falls Marathon Half Marathon
- 72.6% Favoured
Mount Rushmore Half Marathon vs Sioux Falls Marathon Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofMount Rushmore Half Marathon or Sioux Falls Marathon Half Marathon — which comes out ahead?
Sioux Falls Marathon Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Mount Rushmore Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 7.6%
- flat grade share
- 19.3%
- lower ascent
- 603 m
- climbing density
- 28.6 m/km
- net elevation
- 87 m
- maximum grade
- 26.3%
Sioux Falls Marathon Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.5% Favoured
- flat grade share
- 72.6% Favoured
- lower ascent
- 149 m
- climbing density
- 7.1 m/km
- net elevation
- -2 m
- maximum grade
- 8.0%
| Metric | Mount Rushmore Half Marathon | Sioux Falls Marathon Half Marathon |
|---|---|---|
| Flat grade share | 19.3% | 72.6% ✓ |
| GAP factor (% slower than flat) | 7.6% | 0.5% ✓ |
| Uphill share | 43.4% | 13.1% |
| Steep-up share | 20.1% | 1.4% |
| Downhill share | 37.3% | 14.3% |
| Total ascent (m) | 603 m | 149 m |
| Climbing density (m/km) | 28.6 m/km | 7.1 m/km |
| Longest climb length (m) | 2,140 m | 900 m |
| Longest climb gain (m) | 129 m | 19 m |
| Longest climb average grade | 6.0% | 2.1% |
| Total descent (m) | 516 m | 151 m |
| Net elevation (m) | 87 m | -2 m |
| Max absolute grade | 26.3% | 8.0% |
| Start elevation (m) | 1,242 m | 435 m |
| Finish elevation (m) | 1,329 m | 434 m |
| Scenic score | 91/100 ✓ | 80/100 |
| Conditions | 47/100 | 51/100 ✓ |
GAP factor (% slower than flat)
- Sioux Falls Marathon Half Marathon
- 0.5% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Mount Rushmore Half Marathon
- 28.6 m/km
Longest climb length (m)
- Mount Rushmore Half Marathon
- 2,140 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
- Mount Rushmore Half Marathon
- 1,242 m
Finish elevation (m)
- Mount Rushmore Half Marathon
- 1,329 m
Scenic score
- Mount Rushmore Half Marathon
- 91/100 Favoured
Conditions
- Sioux Falls Marathon Half Marathon
- 51/100 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 | Mount Rushmore Half Marathon | Sioux Falls Marathon Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date). |
| Location | Keystone, South Dakota | Sioux Falls, South Dakota |
| Actual distance | 21.1 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Unavailable |
| Surface | Begins on a well Packed dirt road for about 3 miles before turning to pavement for the remainder. | Unavailable |
| Elevation character | Hilly | Unavailable |
| Terrain | Mixed | Trail |
| Scenery | Mountain, Countryside, Forest, Historic | Riverside, Waterfront, City, Parkland, Historic, Lakeside |
| Atmosphere | Destination, Scenic Tour, Wilderness | Community, Scenic Tour |
| Technicality | Non Technical | Unavailable |
| Total ascent | 603 m | 149 m |
| Climbing density | 28.6 m/km | 7.1 m/km |
| Total descent | 516 m | 151 m |
| Net elevation | 87 m | -2 m |
| Max absolute grade | 26.3% | 8.0% |
| Flat grade share | 19.3% | 72.6% |
| GAP factor | 7.6% | 0.5% |
| Cutoff | Unavailable | 3:15:00 |
| Entry model | Open | Open |
Schedule
- Mount Rushmore Half Marathon
Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date).
- Sioux Falls Marathon Half Marathon
Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).
Location
- Mount Rushmore Half Marathon
- Keystone, South Dakota
- Sioux Falls Marathon Half Marathon
- Sioux Falls, South Dakota
Actual distance
- Mount Rushmore Half Marathon
- 21.1 km
- Sioux Falls Marathon Half Marathon
- 21.1 km
raceindex.org mapped route held
- Mount Rushmore Half Marathon
- Held
- Sioux Falls Marathon Half Marathon
- Held
raceindex.org elevation profile held
- Mount Rushmore Half Marathon
- Held
- Sioux Falls Marathon Half Marathon
- Held
Course type
- Mount Rushmore Half Marathon
- Point To Point
- Sioux Falls Marathon Half Marathon
- Unavailable
Surface
- Mount Rushmore Half Marathon
- Begins on a well Packed dirt road for about 3 miles before turning to pavement for the remainder.
- Sioux Falls Marathon Half Marathon
- Unavailable
Elevation character
- Mount Rushmore Half Marathon
- Hilly
- Sioux Falls Marathon Half Marathon
- Unavailable
Terrain
- Mount Rushmore Half Marathon
- Mixed
- Sioux Falls Marathon Half Marathon
- Trail
Scenery
- Mount Rushmore Half Marathon
- Mountain, Countryside, Forest, Historic
- Sioux Falls Marathon Half Marathon
- Riverside, Waterfront, City, Parkland, Historic, Lakeside
Atmosphere
- Mount Rushmore Half Marathon
- Destination, Scenic Tour, Wilderness
- Sioux Falls Marathon Half Marathon
- Community, Scenic Tour
Technicality
- Mount Rushmore Half Marathon
- Non Technical
- Sioux Falls Marathon Half Marathon
- Unavailable
Total ascent
- Mount Rushmore Half Marathon
- 603 m
- Sioux Falls Marathon Half Marathon
- 149 m
Climbing density
- Mount Rushmore Half Marathon
- 28.6 m/km
- Sioux Falls Marathon Half Marathon
- 7.1 m/km
Total descent
- Mount Rushmore Half Marathon
- 516 m
- Sioux Falls Marathon Half Marathon
- 151 m
Net elevation
- Mount Rushmore Half Marathon
- 87 m
- Sioux Falls Marathon Half Marathon
- -2 m
Max absolute grade
- Mount Rushmore Half Marathon
- 26.3%
- Sioux Falls Marathon Half Marathon
- 8.0%
Flat grade share
- Mount Rushmore Half Marathon
- 19.3%
- Sioux Falls Marathon Half Marathon
- 72.6%
GAP factor
- Mount Rushmore Half Marathon
- 7.6%
- Sioux Falls Marathon Half Marathon
- 0.5%
Cutoff
- Mount Rushmore Half Marathon
- Unavailable
- Sioux Falls Marathon Half Marathon
- 3:15:00
Entry model
- Mount Rushmore Half Marathon
- Open
- Sioux Falls Marathon Half Marathon
- Open
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, Mount Rushmore Half Marathon or Sioux Falls Marathon Half Marathon?
Sioux Falls Marathon Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.