2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change -1.5% versus flat · net elevation -357 m
Decision summary
Lower than 94% of comparable mapped races
8:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for McKenzie River Trail Run 50K Ultramarathon, 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 McKenzie River Trail Run 50K Ultramarathon route has 535 m of ascent, 892 m of descent and an estimated -1.5% grade-adjusted pace penalty versus a flat route.
The McKenzie River Trail Run 50K Ultramarathon route starts at Carmen Reservoir (Upper McKenzie Valley); runners shuttled from the McKenzie Community Track to the start and finishes at McKenzie Community Track. Underfoot, expect trail along the McKenzie River National Recreation Trail; described as a technically challenging course. It passes Two spectacular waterfalls, Clear Lake, lava flows, old growth forest and numerous log bridges. Runs 31 miles along the beautiful McKenzie River, called one of the prettiest trails in America.
Drop bags transported from the McKenzie Community Track to the Trail Bridge aid station (halfway) and back.
Its normalised GAP factor is -1.5% slower than a flat course, with about 535 m of total ascent.
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