Martian Invasion of Races Marathon or Run Woodstock Marathon — which comes out ahead?

Martian Invasion of Races Marathon has the stronger available profile on flat grade share, course flatness and conditions.

Route comparison snapshot

Martian Invasion of Races Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.1% Favoured
flat grade share
94.9% Favoured
lower ascent
124 m
climbing density
2.9 m/km
net elevation
0 m
maximum grade
6.6%

Run Woodstock Marathon

Mapped route
Held
Elevation profile
Held
course flatness
1.7%
flat grade share
53.7%
lower ascent
547 m
climbing density
13.0 m/km
net elevation
1 m
maximum grade
13.5%
Head-to-head comparison
MetricMartian Invasion of Races MarathonRun Woodstock Marathon
Flat grade share94.9%53.7%
GAP factor (% slower than flat)0.1%1.7%
Uphill share2.4%22.7%
Steep-up share0.1%5.6%
Downhill share2.7%23.6%
Total ascent (m)124 m547 m
Climbing density (m/km)2.9 m/km13.0 m/km
Longest climb length (m)210 m700 m
Longest climb gain (m)7 m26 m
Longest climb average grade3.4%3.8%
Total descent (m)124 m546 m
Net elevation (m)0 m1 m
Max absolute grade6.6%13.5%
Start elevation (m)178 m294 m
Finish elevation (m)178 m295 m
Scenic score30/10065/100
Conditions81/10063/100

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
FactMartian Invasion of Races MarathonRun Woodstock Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-04-11 (legacy event-level date).

Exact race date not confirmed. Event weekend starts 2026-09-10 (legacy event-level date).

LocationDearborn, MichiganPinckney, Michigan
Actual distance42.2 km42.2 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeLapsUnavailable
SurfacePaved roads and paved park pathsUnavailable
Elevation characterPancake FlatGently Rolling
TerrainRoadTrail
SceneryParkland, City, RiversideParkland, Forest, Lakeside, Countryside
AtmosphereFestival, CommunityFestival, Community, Destination
TechnicalityNon TechnicalUnavailable
Total ascent124 m547 m
Climbing density2.9 m/km13.0 m/km
Total descent124 m546 m
Net elevation0 m1 m
Max absolute grade6.6%13.5%
Flat grade share94.9%53.7%
GAP factor0.1%1.7%
Cutoff6:30:0010:00:00
Latest finishers147Unavailable
Entry modelOpenOpen
Qualifying statusBoston_equivalentUnavailable

Schedule

Martian Invasion of Races Marathon

Exact race date not confirmed. Event weekend starts 2026-04-11 (legacy event-level date).

Run Woodstock Marathon

Exact race date not confirmed. Event weekend starts 2026-09-10 (legacy event-level date).

Location

Martian Invasion of Races Marathon
Dearborn, Michigan
Run Woodstock Marathon
Pinckney, Michigan

Actual distance

Martian Invasion of Races Marathon
42.2 km
Run Woodstock Marathon
42.2 km

raceindex.org mapped route held

Martian Invasion of Races Marathon
Held
Run Woodstock Marathon
Held

raceindex.org elevation profile held

Martian Invasion of Races Marathon
Held
Run Woodstock Marathon
Held

Course type

Martian Invasion of Races Marathon
Laps
Run Woodstock Marathon
Unavailable

Surface

Martian Invasion of Races Marathon
Paved roads and paved park paths
Run Woodstock Marathon
Unavailable

Elevation character

Martian Invasion of Races Marathon
Pancake Flat
Run Woodstock Marathon
Gently Rolling

Terrain

Martian Invasion of Races Marathon
Road
Run Woodstock Marathon
Trail

Scenery

Martian Invasion of Races Marathon
Parkland, City, Riverside
Run Woodstock Marathon
Parkland, Forest, Lakeside, Countryside

Atmosphere

Martian Invasion of Races Marathon
Festival, Community
Run Woodstock Marathon
Festival, Community, Destination

Technicality

Martian Invasion of Races Marathon
Non Technical
Run Woodstock Marathon
Unavailable

Total ascent

Martian Invasion of Races Marathon
124 m
Run Woodstock Marathon
547 m

Climbing density

Martian Invasion of Races Marathon
2.9 m/km
Run Woodstock Marathon
13.0 m/km

Total descent

Martian Invasion of Races Marathon
124 m
Run Woodstock Marathon
546 m

Net elevation

Martian Invasion of Races Marathon
0 m
Run Woodstock Marathon
1 m

Max absolute grade

Martian Invasion of Races Marathon
6.6%
Run Woodstock Marathon
13.5%

Flat grade share

Martian Invasion of Races Marathon
94.9%
Run Woodstock Marathon
53.7%

GAP factor

Martian Invasion of Races Marathon
0.1%
Run Woodstock Marathon
1.7%

Cutoff

Martian Invasion of Races Marathon
6:30:00
Run Woodstock Marathon
10:00:00

Latest finishers

Martian Invasion of Races Marathon
147
Run Woodstock Marathon
Unavailable

Entry model

Martian Invasion of Races Marathon
Open
Run Woodstock Marathon
Open

Qualifying status

Martian Invasion of Races Marathon
Boston_equivalent
Run Woodstock 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, Martian Invasion of Races Marathon or Run Woodstock Marathon?

Martian Invasion of Races 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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