Flat grade share
- Flint Hills 50 and Marathon Ultramarathon
- 68.1% Favoured
Flint Hills 50 and Marathon Ultramarathon vs The Hawk Hundred (Lawrence) Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofFlint Hills 50 and Marathon Ultramarathon or The Hawk Hundred (Lawrence) Ultramarathon — which comes out ahead?
Flint Hills 50 and Marathon Ultramarathon has the stronger available profile on flat grade share, course flatness and conditions.
Route comparison snapshot
Flint Hills 50 and Marathon Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.6% Favoured
- flat grade share
- 68.1% Favoured
- lower ascent
- 655 m
- climbing density
- 8.1 m/km
- net elevation
- -1 m
- maximum grade
- 9.6%
The Hawk Hundred (Lawrence) Ultramarathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.2%
- flat grade share
- 60.6%
- lower ascent
- 1,527 m
- climbing density
- 9.5 m/km
- net elevation
- 8 m
- maximum grade
- 15.2%
| Metric | Flint Hills 50 and Marathon Ultramarathon | The Hawk Hundred (Lawrence) Ultramarathon |
|---|---|---|
| Flat grade share | 68.1% ✓ | 60.6% |
| GAP factor (% slower than flat) | 0.6% ✓ | 1.2% |
| Uphill share | 16.3% | 20.1% |
| Steep-up share | 1.0% | 2.8% |
| Downhill share | 15.6% | 19.3% |
| Total ascent (m) | 655 m | 1,527 m |
| Climbing density (m/km) | 8.1 m/km | 9.5 m/km |
| Longest climb length (m) | 1,320 m | 1,110 m |
| Longest climb gain (m) | 26 m | 32 m |
| Longest climb average grade | 2.0% | 2.9% |
| Total descent (m) | 656 m | 1,518 m |
| Net elevation (m) | -1 m | 8 m |
| Max absolute grade | 9.6% | 15.2% |
| Start elevation (m) | 313 m | 292 m |
| Finish elevation (m) | 312 m | 301 m |
| Scenic score | 31/100 | 100/100 ✓ |
| Conditions | 77/100 ✓ | 46/100 |
GAP factor (% slower than flat)
- Flint Hills 50 and Marathon Ultramarathon
- 0.6% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (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
- The Hawk Hundred (Lawrence) Ultramarathon
- 100/100 Favoured
Conditions
- Flint Hills 50 and Marathon Ultramarathon
- 77/100 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 | Flint Hills 50 and Marathon Ultramarathon | The Hawk Hundred (Lawrence) Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-04-10 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date). |
| Location | Manhattan, Kansas | Lawrence, Kansas |
| Actual distance | 80.5 km | 160.9 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Laps | Laps |
| Surface | Dirt Road | Technical rolling singletrack trail through Clinton State Park, including a scenic shoreline red Blazed section, the Cactus Ridge section and a 2.5 Mile loop with two ascents of Bunker Hill. |
| Elevation character | Unavailable | Rolling |
| Terrain | Road, Trail | Trail |
| Scenery | Countryside, Waterfront | Parkland, Coastal, Forest, Lakeside, Countryside |
| Technicality | Unavailable | Technical |
| Total ascent | 655 m | 1,527 m |
| Climbing density | 8.1 m/km | 9.5 m/km |
| Total descent | 656 m | 1,518 m |
| Net elevation | -1 m | 8 m |
| Max absolute grade | 9.6% | 15.2% |
| Flat grade share | 68.1% | 60.6% |
| GAP factor | 0.6% | 1.2% |
| Cutoff | 14:00:00 | 32:00:00 |
| Entry model | Open | Open |
Schedule
- Flint Hills 50 and Marathon Ultramarathon
Exact race date not confirmed. Event weekend starts 2027-04-10 (legacy event-level date).
- The Hawk Hundred (Lawrence) Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-09-12 (legacy event-level date).
Location
- Flint Hills 50 and Marathon Ultramarathon
- Manhattan, Kansas
- The Hawk Hundred (Lawrence) Ultramarathon
- Lawrence, Kansas
Actual distance
- Flint Hills 50 and Marathon Ultramarathon
- 80.5 km
- The Hawk Hundred (Lawrence) Ultramarathon
- 160.9 km
raceindex.org mapped route held
- Flint Hills 50 and Marathon Ultramarathon
- Held
- The Hawk Hundred (Lawrence) Ultramarathon
- Held
raceindex.org elevation profile held
- Flint Hills 50 and Marathon Ultramarathon
- Held
- The Hawk Hundred (Lawrence) Ultramarathon
- Held
Course type
- Flint Hills 50 and Marathon Ultramarathon
- Laps
- The Hawk Hundred (Lawrence) Ultramarathon
- Laps
Surface
- Flint Hills 50 and Marathon Ultramarathon
- Dirt Road
- The Hawk Hundred (Lawrence) Ultramarathon
- Technical rolling singletrack trail through Clinton State Park, including a scenic shoreline red Blazed section, the Cactus Ridge section and a 2.5 Mile loop with two ascents of Bunker Hill.
Elevation character
- Flint Hills 50 and Marathon Ultramarathon
- Unavailable
- The Hawk Hundred (Lawrence) Ultramarathon
- Rolling
Terrain
- Flint Hills 50 and Marathon Ultramarathon
- Road, Trail
- The Hawk Hundred (Lawrence) Ultramarathon
- Trail
Scenery
- Flint Hills 50 and Marathon Ultramarathon
- Countryside, Waterfront
- The Hawk Hundred (Lawrence) Ultramarathon
- Parkland, Coastal, Forest, Lakeside, Countryside
Technicality
- Flint Hills 50 and Marathon Ultramarathon
- Unavailable
- The Hawk Hundred (Lawrence) Ultramarathon
- Technical
Total ascent
- Flint Hills 50 and Marathon Ultramarathon
- 655 m
- The Hawk Hundred (Lawrence) Ultramarathon
- 1,527 m
Climbing density
- Flint Hills 50 and Marathon Ultramarathon
- 8.1 m/km
- The Hawk Hundred (Lawrence) Ultramarathon
- 9.5 m/km
Total descent
- Flint Hills 50 and Marathon Ultramarathon
- 656 m
- The Hawk Hundred (Lawrence) Ultramarathon
- 1,518 m
Net elevation
- Flint Hills 50 and Marathon Ultramarathon
- -1 m
- The Hawk Hundred (Lawrence) Ultramarathon
- 8 m
Max absolute grade
- Flint Hills 50 and Marathon Ultramarathon
- 9.6%
- The Hawk Hundred (Lawrence) Ultramarathon
- 15.2%
Flat grade share
- Flint Hills 50 and Marathon Ultramarathon
- 68.1%
- The Hawk Hundred (Lawrence) Ultramarathon
- 60.6%
GAP factor
- Flint Hills 50 and Marathon Ultramarathon
- 0.6%
- The Hawk Hundred (Lawrence) Ultramarathon
- 1.2%
Cutoff
- Flint Hills 50 and Marathon Ultramarathon
- 14:00:00
- The Hawk Hundred (Lawrence) Ultramarathon
- 32:00:00
Entry model
- Flint Hills 50 and Marathon Ultramarathon
- Open
- The Hawk Hundred (Lawrence) Ultramarathon
- 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, Flint Hills 50 and Marathon Ultramarathon or The Hawk Hundred (Lawrence) Ultramarathon?
Flint Hills 50 and Marathon Ultramarathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.