Sioux Falls Marathon Half Marathon or Sioux Falls Skedaddle Half Marathon — which comes out ahead?

Sioux Falls Skedaddle Half Marathon has the stronger available profile on flat grade share, course flatness and conditions.

Route comparison snapshot

Sioux Falls Marathon Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.5%
flat grade share
72.6%
lower ascent
149 m
climbing density
7.1 m/km
net elevation
-2 m
maximum grade
8.0%

Sioux Falls Skedaddle Half Marathon

Mapped route
Held
Elevation profile
Held
course flatness
0.3% Favoured
flat grade share
77.9% Favoured
lower ascent
133 m
climbing density
6.3 m/km
net elevation
-7 m
maximum grade
13.3%
Head-to-head comparison
MetricSioux Falls Marathon Half MarathonSioux Falls Skedaddle Half Marathon
Flat grade share72.6%77.9%
GAP factor (% slower than flat)0.5%0.3%
Uphill share13.1%10.9%
Steep-up share1.4%1.1%
Downhill share14.3%11.2%
Total ascent (m)149 m133 m
Climbing density (m/km)7.1 m/km6.3 m/km
Longest climb length (m)900 m220 m
Longest climb gain (m)19 m15 m
Longest climb average grade2.1%6.6%
Total descent (m)151 m140 m
Net elevation (m)-2 m-7 m
Max absolute grade8.0%13.3%
Start elevation (m)435 m435 m
Finish elevation (m)434 m429 m
Scenic score80/10043/100
Conditions51/10064/100

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
FactSioux Falls Marathon Half MarathonSioux Falls Skedaddle Half Marathon
Schedule

Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).

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

LocationSioux Falls, South DakotaSioux Falls, South Dakota
Actual distance21.1 km21.1 km
raceindex.org mapped route heldHeldHeld
raceindex.org elevation profile heldHeldHeld
Course typeUnavailablePoint To Point
SurfaceUnavailableStarts on city streets then follows the paved Big Sioux River bike path/trail for most of the route.
Elevation characterUnavailableRolling
TerrainTrailTrail, Road
SceneryRiverside, Waterfront, City, Parkland, Historic, LakesideRiverside, Parkland, City
AtmosphereCommunity, Scenic TourCommunity, Scenic Tour
TechnicalityUnavailableNon Technical
Total ascent149 m133 m
Climbing density7.1 m/km6.3 m/km
Total descent151 m140 m
Net elevation-2 m-7 m
Max absolute grade8.0%13.3%
Flat grade share72.6%77.9%
GAP factor0.5%0.3%
Cutoff3:15:00Unavailable
Entry modelOpenOpen

Schedule

Sioux Falls Marathon Half Marathon

Exact race date not confirmed. Event weekend starts 2026-09-20 (legacy event-level date).

Sioux Falls Skedaddle Half Marathon

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

Location

Sioux Falls Marathon Half Marathon
Sioux Falls, South Dakota
Sioux Falls Skedaddle Half Marathon
Sioux Falls, South Dakota

Actual distance

Sioux Falls Marathon Half Marathon
21.1 km
Sioux Falls Skedaddle Half Marathon
21.1 km

raceindex.org mapped route held

Sioux Falls Marathon Half Marathon
Held
Sioux Falls Skedaddle Half Marathon
Held

raceindex.org elevation profile held

Sioux Falls Marathon Half Marathon
Held
Sioux Falls Skedaddle Half Marathon
Held

Course type

Sioux Falls Marathon Half Marathon
Unavailable
Sioux Falls Skedaddle Half Marathon
Point To Point

Surface

Sioux Falls Marathon Half Marathon
Unavailable
Sioux Falls Skedaddle Half Marathon
Starts on city streets then follows the paved Big Sioux River bike path/trail for most of the route.

Elevation character

Sioux Falls Marathon Half Marathon
Unavailable
Sioux Falls Skedaddle Half Marathon
Rolling

Terrain

Sioux Falls Marathon Half Marathon
Trail
Sioux Falls Skedaddle Half Marathon
Trail, Road

Scenery

Sioux Falls Marathon Half Marathon
Riverside, Waterfront, City, Parkland, Historic, Lakeside
Sioux Falls Skedaddle Half Marathon
Riverside, Parkland, City

Atmosphere

Sioux Falls Marathon Half Marathon
Community, Scenic Tour
Sioux Falls Skedaddle Half Marathon
Community, Scenic Tour

Technicality

Sioux Falls Marathon Half Marathon
Unavailable
Sioux Falls Skedaddle Half Marathon
Non Technical

Total ascent

Sioux Falls Marathon Half Marathon
149 m
Sioux Falls Skedaddle Half Marathon
133 m

Climbing density

Sioux Falls Marathon Half Marathon
7.1 m/km
Sioux Falls Skedaddle Half Marathon
6.3 m/km

Total descent

Sioux Falls Marathon Half Marathon
151 m
Sioux Falls Skedaddle Half Marathon
140 m

Net elevation

Sioux Falls Marathon Half Marathon
-2 m
Sioux Falls Skedaddle Half Marathon
-7 m

Max absolute grade

Sioux Falls Marathon Half Marathon
8.0%
Sioux Falls Skedaddle Half Marathon
13.3%

Flat grade share

Sioux Falls Marathon Half Marathon
72.6%
Sioux Falls Skedaddle Half Marathon
77.9%

GAP factor

Sioux Falls Marathon Half Marathon
0.5%
Sioux Falls Skedaddle Half Marathon
0.3%

Cutoff

Sioux Falls Marathon Half Marathon
3:15:00
Sioux Falls Skedaddle Half Marathon
Unavailable

Entry model

Sioux Falls Marathon Half Marathon
Open
Sioux Falls Skedaddle 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, Sioux Falls Marathon Half Marathon or Sioux Falls Skedaddle Half Marathon?

Sioux Falls Skedaddle 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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