About the East Fork 100mi, 100K, 50K, and 15mi
The course loops a lake on trail through East Fork State Park, mixing singletrack, mountain bike paths, and occasional park road. The terrain rolls constantly without any single brutal climb, but the accumulated ups and downs add up. Along the way there are lake views, wooded corridors, open meadows, a waterfall in a pine forest, and creek crossings that runners tend to appreciate on a warm day.
Crews can meet longer-distance runners at several points around the loop, and pacers are permitted from certain aid stations onward. Drop bags are accepted at the nature center aid station. The main start and finish area serves as the crew hub for each loop.
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Finish-Time Stats
Going by the 2025 results, this is a small, friendly field, with a competitive front end and a big recreational middle.
50K · 2025 results
68finishers
5:28:20winner
8:45:26median
15:57:03cutoff
Top 3: Adam Mahler (5:28:20) · Brian Ashworth (5:59:15) · Paulina Sokalska (6:08:28)
100 Miles · 2025 results
26finishers
20:52:17winner
32:44:48median
39:33:11cutoff
Top 3: Taton Bertsch (20:52:17) · Jonathan Blackburn (22:56:37) · Ryo Yoshikawa (27:16:09)
15 Miles · 2025 results
26finishers
2:23:48winner
3:59:53median
7:57:18cutoff
Top 3: Joshua Horton (2:23:48) · Abigail Kamalian (2:49:26) · John Montgomery (2:49:32)
100K · 2025 results
23finishers
14:37:45winner
21:06:22median
34:49:39cutoff
Top 3: Kyle Burnett (14:37:45) · Kristen Soinski (15:18:54) · Tj Schmid (15:48:47)
The East Fork 100mi, 100K, 50K, and 15mi has been held every year since at least 2023. That is as far back as RunSignup's records for this race go, so it may well be older.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Sep 10, 2026.
Distances & Start Times
100 Miles9/12/2026 07:30-
100K9/12/2026 07:30-
50K9/12/2026 07:00-
15 Miles9/12/2026 08:00-
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