Jack & Jill's Downhill Marathon & Half Half Marathon or Windermere Marathon (Spokane) Half Marathon — which comes out ahead?

Jack & Jill's Downhill Marathon & Half Half Marathon and Windermere Marathon (Spokane) Half Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.

Route comparison snapshot

Jack & Jill's Downhill Marathon & Half Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-1.5% Favoured
flat grade share
40.2%
lower ascent
311 m
climbing density
14.7 m/km
net elevation
-264 m
maximum grade
31.2%

Windermere Marathon (Spokane) Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
-0.1%
flat grade share
74.6% Favoured
lower ascent
140 m
climbing density
6.6 m/km
net elevation
-30 m
maximum grade
13.5%
Head-to-head comparison
MetricJack & Jill's Downhill Marathon & Half Half MarathonWindermere Marathon (Spokane) Half Marathon
Flat grade share40.2%74.6%
GAP factor (% slower than flat)-1.5%-0.1%
Uphill share23.0%11.4%
Steep-up share9.0%0.9%
Downhill share36.8%14.0%
Total ascent (m)311 m140 m
Climbing density (m/km)14.7 m/km6.6 m/km
Longest climb length (m)140 m150 m
Longest climb gain (m)17 m13 m
Longest climb average grade12.5%8.4%
Total descent (m)574 m170 m
Net elevation (m)-264 m-30 m
Max absolute grade31.2%13.5%
Start elevation (m)782 m602 m
Finish elevation (m)518 m571 m
Scenic score100/10030/100
Conditions75/10080/100

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

Race facts comparison
FactJack & Jill's Downhill Marathon & Half Half MarathonWindermere Marathon (Spokane) 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 2026-05-17 (legacy event-level date).

LocationHyak (Snoqualmie Pass) to North Bend, WashingtonSpokane, Washington
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typePoint To PointPoint To Point
TerrainTrailTrail
SceneryCountryside, Historic, Parkland, Mountain, Forest, LakesideCity, Riverside, Parkland
AtmosphereDestination, Scenic Tour, WildernessScenic Tour
Total ascent311 m140 m
Climbing density14.7 m/km6.6 m/km
Total descent574 m170 m
Net elevation-264 m-30 m
Max absolute grade31.2%13.5%
Flat grade share40.2%74.6%
GAP factor-1.5%-0.1%
Cutoff4:00:00Unavailable
Entry modelOpenOpen

Schedule

Jack & Jill's Downhill Marathon & Half Half Marathon

Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).

Windermere Marathon (Spokane) Half Marathon

Exact race date not confirmed. Event weekend starts 2026-05-17 (legacy event-level date).

Location

Jack & Jill's Downhill Marathon & Half Half Marathon
Hyak (Snoqualmie Pass) to North Bend, Washington
Windermere Marathon (Spokane) Half Marathon
Spokane, Washington

Actual distance

Jack & Jill's Downhill Marathon & Half Half Marathon
21.1 km
Windermere Marathon (Spokane) Half Marathon
21.1 km

raceindex.org mapped route held

Jack & Jill's Downhill Marathon & Half Half Marathon
Held
Windermere Marathon (Spokane) Half Marathon
Held

raceindex.org elevation profile held

Jack & Jill's Downhill Marathon & Half Half Marathon
Held
Windermere Marathon (Spokane) Half Marathon
Held

Course type

Jack & Jill's Downhill Marathon & Half Half Marathon
Point To Point
Windermere Marathon (Spokane) Half Marathon
Point To Point

Terrain

Jack & Jill's Downhill Marathon & Half Half Marathon
Trail
Windermere Marathon (Spokane) Half Marathon
Trail

Scenery

Jack & Jill's Downhill Marathon & Half Half Marathon
Countryside, Historic, Parkland, Mountain, Forest, Lakeside
Windermere Marathon (Spokane) Half Marathon
City, Riverside, Parkland

Atmosphere

Jack & Jill's Downhill Marathon & Half Half Marathon
Destination, Scenic Tour, Wilderness
Windermere Marathon (Spokane) Half Marathon
Scenic Tour

Total ascent

Jack & Jill's Downhill Marathon & Half Half Marathon
311 m
Windermere Marathon (Spokane) Half Marathon
140 m

Climbing density

Jack & Jill's Downhill Marathon & Half Half Marathon
14.7 m/km
Windermere Marathon (Spokane) Half Marathon
6.6 m/km

Total descent

Jack & Jill's Downhill Marathon & Half Half Marathon
574 m
Windermere Marathon (Spokane) Half Marathon
170 m

Net elevation

Jack & Jill's Downhill Marathon & Half Half Marathon
-264 m
Windermere Marathon (Spokane) Half Marathon
-30 m

Max absolute grade

Jack & Jill's Downhill Marathon & Half Half Marathon
31.2%
Windermere Marathon (Spokane) Half Marathon
13.5%

Flat grade share

Jack & Jill's Downhill Marathon & Half Half Marathon
40.2%
Windermere Marathon (Spokane) Half Marathon
74.6%

GAP factor

Jack & Jill's Downhill Marathon & Half Half Marathon
-1.5%
Windermere Marathon (Spokane) Half Marathon
-0.1%

Cutoff

Jack & Jill's Downhill Marathon & Half Half Marathon
4:00:00
Windermere Marathon (Spokane) Half Marathon
Unavailable

Entry model

Jack & Jill's Downhill Marathon & Half Half Marathon
Open
Windermere Marathon (Spokane) 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, Jack & Jill's Downhill Marathon & Half Half Marathon or Windermere Marathon (Spokane) 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.

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How figures are calculated →