Ancaster, ON, Canada · Saturday, May 23, 2026

Fixed Distance 50 mi

Sulphur Springs Trail Run 50 Mile

Race completed
80 km Distance
2,000 m Climbing
7.0 Grit · Hardcore
43.2181° N, 79.9872° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 25 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~73 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 19°C
Night low 8°C
Rainfall Mostly dry
Daylight 14 h 54 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 211 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2026 50mi 73 Will Gilmet · 08:12:36 Jessica Shao · 10:00:02
2025 50mi 79 Juan Zorrilla · 07:36:46 Rina Atienza · 09:00:58
2024 50mi 54 Andrew James · 07:52:33 Julie Hamulecki · 07:08:00
2023 50mi 61 Gabriel Miller · 06:28:05 Wendy Rading · 07:56:44
2022 50mi 41 Andrew James · 07:54:23 Angelika Grodna-Pantera · 08:41:26
2019 50mi 99 Julian Ho · 07:19:56 Sarah Kondo · 08:56:17
2018 50mi 103 Jon Kilmartin · 06:56:22 Karen Batsford · 08:51:14
2017 50mi 70 Christian Mercier · 06:44:13 Cynthia Campanaro · 08:11:00
2016 50mi 83 Jack Sikkema · 07:15:04 Claire Heslop · 09:15:40
2015 50mi 89 Jack Sikkema · 06:39:44 Christina Clark · 07:16:41

The field shrank 8% between 2025 (79) and 2026 (73). 33% of the 2026 field were women.

DUV results for the 2026 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 80 km of trail with 2,000 m of ascent.

All gear guides →

Similar races

Other 50 mi trail ultras, closest in distance first.