2027 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 0.1% versus flat · net elevation 0 m
Decision summary
Lower than 96% of comparable mapped races
7:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Mississippi River Marathon Half Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Mississippi River Marathon Half Marathon route has 36 m of ascent, 36 m of descent and an estimated 0.1% grade-adjusted pace penalty versus a flat route.
The setting includes countryside and lakeside. Delta Double Down challenge: run the Arkansas Half Marathon (finishing on the Mississippi River Bridge) then start the Mississippi Half Marathon ten feet beyond, completing a full marathon distance across two states.
Bag check available for marathon and half marathon participants.
Its normalised GAP factor is 0.1% slower than a flat course, with about 36 m of total ascent.