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

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

Route comparison snapshot

Run Woodstock Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
1.7%
flat grade share
52.5%
lower ascent
281 m
climbing density
13.3 m/km
net elevation
0 m
maximum grade
12.7%

Martian Invasion of Races Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.1% Favoured
flat grade share
96.1% Favoured
lower ascent
58 m
climbing density
2.7 m/km
net elevation
0 m
maximum grade
5.4%
Head-to-head comparison
MetricRun Woodstock Half MarathonMartian Invasion of Races Half Marathon
Flat grade share52.5%96.1%
GAP factor (% slower than flat)1.7%0.1%
Uphill share22.9%1.4%
Steep-up share6.3%0.0%
Downhill share24.6%2.5%
Total ascent (m)281 m58 m
Climbing density (m/km)13.3 m/km2.7 m/km
Longest climb length (m)730 m1,360 m
Longest climb gain (m)26 m7 m
Longest climb average grade3.6%0.5%
Total descent (m)280 m58 m
Net elevation (m)0 m0 m
Max absolute grade12.7%5.4%
Start elevation (m)294 m178 m
Finish elevation (m)295 m178 m
Scenic score65/10030/100
Conditions63/10081/100

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
FactRun Woodstock Half MarathonMartian Invasion of Races Half Marathon
Schedule

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

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

LocationPinckney, MichiganDearborn, Michigan
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
SurfaceUnavailablePaved roads and paved park paths
Elevation characterUnavailablePancake Flat
TerrainTrailRoad
SceneryParkland, Forest, Lakeside, CountrysideParkland, City, Riverside
AtmosphereFestival, Community, DestinationFestival, Community
Total ascent281 m58 m
Climbing density13.3 m/km2.7 m/km
Total descent280 m58 m
Net elevation0 m0 m
Max absolute grade12.7%5.4%
Flat grade share52.5%96.1%
GAP factor1.7%0.1%
Cutoff10:00:004:45:00
Entry modelOpenOpen

Schedule

Run Woodstock Half Marathon

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

Martian Invasion of Races Half Marathon

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

Location

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

Actual distance

Run Woodstock Half Marathon
21.1 km
Martian Invasion of Races Half Marathon
21.1 km

raceindex.org mapped route held

Run Woodstock Half Marathon
Held
Martian Invasion of Races Half Marathon
Held

raceindex.org elevation profile held

Run Woodstock Half Marathon
Held
Martian Invasion of Races Half Marathon
Held

Surface

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

Elevation character

Run Woodstock Half Marathon
Unavailable
Martian Invasion of Races Half Marathon
Pancake Flat

Terrain

Run Woodstock Half Marathon
Trail
Martian Invasion of Races Half Marathon
Road

Scenery

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

Atmosphere

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

Total ascent

Run Woodstock Half Marathon
281 m
Martian Invasion of Races Half Marathon
58 m

Climbing density

Run Woodstock Half Marathon
13.3 m/km
Martian Invasion of Races Half Marathon
2.7 m/km

Total descent

Run Woodstock Half Marathon
280 m
Martian Invasion of Races Half Marathon
58 m

Net elevation

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

Max absolute grade

Run Woodstock Half Marathon
12.7%
Martian Invasion of Races Half Marathon
5.4%

Flat grade share

Run Woodstock Half Marathon
52.5%
Martian Invasion of Races Half Marathon
96.1%

GAP factor

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

Cutoff

Run Woodstock Half Marathon
10:00:00
Martian Invasion of Races Half Marathon
4:45:00

Entry model

Run Woodstock Half Marathon
Open
Martian Invasion of Races 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, Run Woodstock Half Marathon or Martian Invasion of Races Half Marathon?

Martian Invasion of Races 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 →