Flat grade share
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 40.2% Favoured
Jack & Jill's Downhill Marathon & Half vs Jack & Jill's Downhill Marathon & Half Half Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofJack & Jill's Downhill Marathon & Half or Jack & Jill's Downhill Marathon & Half Half Marathon — which comes out ahead?
Jack & Jill's Downhill Marathon & Half Half Marathon has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
Jack & Jill's Downhill Marathon & Half
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.5%
- flat grade share
- 36.1%
- lower ascent
- 783 m
- climbing density
- 18.5 m/km
- net elevation
- -268 m
- maximum grade
- 31.0%
Jack & Jill's Downhill Marathon & Half Half Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -1.5% Favoured
- flat grade share
- 40.2% Favoured
- lower ascent
- 311 m
- climbing density
- 14.7 m/km
- net elevation
- -264 m
- maximum grade
- 31.2%
| Metric | Jack & Jill's Downhill Marathon & Half | Jack & Jill's Downhill Marathon & Half Half Marathon |
|---|---|---|
| Flat grade share | 36.1% | 40.2% ✓ |
| GAP factor (% slower than flat) | 1.5% | -1.5% ✓ |
| Uphill share | 28.4% | 23.0% |
| Steep-up share | 12.1% | 9.0% |
| Downhill share | 35.5% | 36.8% |
| Total ascent (m) | 783 m | 311 m |
| Climbing density (m/km) | 18.5 m/km | 14.7 m/km |
| Longest climb length (m) | 540 m | 140 m |
| Longest climb gain (m) | 24 m | 17 m |
| Longest climb average grade | 4.5% | 12.5% |
| Total descent (m) | 1,051 m | 574 m |
| Net elevation (m) | -268 m | -264 m |
| Max absolute grade | 31.0% | 31.2% |
| Start elevation (m) | 780 m | 782 m |
| Finish elevation (m) | 512 m | 518 m |
| Scenic score | 100/100 | 100/100 |
| Conditions | 75/100 | 75/100 |
GAP factor (% slower than flat)
- Jack & Jill's Downhill Marathon & Half Half Marathon
- -1.5% 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
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 | Jack & Jill's Downhill Marathon & Half | Jack & Jill's Downhill Marathon & Half Half Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date). |
| Location | Hyak (Snoqualmie Pass) to North Bend, Washington | Hyak (Snoqualmie Pass) to North Bend, Washington |
| Actual distance | 42.2 km | 21.1 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Point To Point |
| Surface | Smooth, hard Packed gravel rail trail | Unavailable |
| Elevation character | Net Downhill | Unavailable |
| Terrain | Trail, Gravel | Trail |
| Scenery | Mountain, Waterfront, Countryside, Historic, Parkland, Forest, Lakeside | Countryside, Historic, Parkland, Mountain, Forest, Lakeside |
| Atmosphere | Destination, Scenic Tour, Wilderness | Destination, Scenic Tour, Wilderness |
| Technicality | Non Technical | Unavailable |
| Total ascent | 783 m | 311 m |
| Climbing density | 18.5 m/km | 14.7 m/km |
| Total descent | 1,051 m | 574 m |
| Net elevation | -268 m | -264 m |
| Max absolute grade | 31.0% | 31.2% |
| Flat grade share | 36.1% | 40.2% |
| GAP factor | 1.5% | -1.5% |
| Cutoff | 6:30:00 | 4:00:00 |
| Entry model | Open | Open |
| Qualifying status | Boston_equivalent | Unavailable |
Schedule
- Jack & Jill's Downhill Marathon & Half
Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).
- Jack & Jill's Downhill Marathon & Half Half Marathon
Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).
Location
- Jack & Jill's Downhill Marathon & Half
- Hyak (Snoqualmie Pass) to North Bend, Washington
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Hyak (Snoqualmie Pass) to North Bend, Washington
Actual distance
- Jack & Jill's Downhill Marathon & Half
- 42.2 km
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 21.1 km
raceindex.org mapped route held
- Jack & Jill's Downhill Marathon & Half
- Held
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Held
raceindex.org elevation profile held
- Jack & Jill's Downhill Marathon & Half
- Held
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Held
Course type
- Jack & Jill's Downhill Marathon & Half
- Point To Point
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Point To Point
Surface
- Jack & Jill's Downhill Marathon & Half
- Smooth, hard Packed gravel rail trail
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Unavailable
Elevation character
- Jack & Jill's Downhill Marathon & Half
- Net Downhill
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Unavailable
Terrain
- Jack & Jill's Downhill Marathon & Half
- Trail, Gravel
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Trail
Scenery
- Jack & Jill's Downhill Marathon & Half
- Mountain, Waterfront, Countryside, Historic, Parkland, Forest, Lakeside
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Countryside, Historic, Parkland, Mountain, Forest, Lakeside
Atmosphere
- Jack & Jill's Downhill Marathon & Half
- Destination, Scenic Tour, Wilderness
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Destination, Scenic Tour, Wilderness
Technicality
- Jack & Jill's Downhill Marathon & Half
- Non Technical
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Unavailable
Total ascent
- Jack & Jill's Downhill Marathon & Half
- 783 m
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 311 m
Climbing density
- Jack & Jill's Downhill Marathon & Half
- 18.5 m/km
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 14.7 m/km
Total descent
- Jack & Jill's Downhill Marathon & Half
- 1,051 m
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 574 m
Net elevation
- Jack & Jill's Downhill Marathon & Half
- -268 m
- Jack & Jill's Downhill Marathon & Half Half Marathon
- -264 m
Max absolute grade
- Jack & Jill's Downhill Marathon & Half
- 31.0%
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 31.2%
Flat grade share
- Jack & Jill's Downhill Marathon & Half
- 36.1%
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 40.2%
GAP factor
- Jack & Jill's Downhill Marathon & Half
- 1.5%
- Jack & Jill's Downhill Marathon & Half Half Marathon
- -1.5%
Cutoff
- Jack & Jill's Downhill Marathon & Half
- 6:30:00
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 4:00:00
Entry model
- Jack & Jill's Downhill Marathon & Half
- Open
- Jack & Jill's Downhill Marathon & Half Half Marathon
- Open
Qualifying status
- Jack & Jill's Downhill Marathon & Half
- Boston_equivalent
- Jack & Jill's Downhill Marathon & Half Half Marathon
- 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, Jack & Jill's Downhill Marathon & Half or Jack & Jill's Downhill Marathon & Half Half Marathon?
Jack & Jill's Downhill Marathon & Half Half Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.