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Great Mansfield Outdoors 2024

We're getting ready!

Join us at Mansfield Outdoor Centre in Mulmur, ON on June 1st for a 5k, 10k, 25 and 50k trail race on single track with a beer festival finish!

This event is part of OUTRace, and runners will be eligible for the awards. Click here to learn more.

We’re honoured to support the Alliston and District Humane Society through donations on behalf of our runners. To date, you’ve raised more than $1,200!

Athletics Ontario Sanction

Getting Here

Mansfield Outdoor Centre
937365 Airport Rd, Mulmur

Enter the driveway at the bottom of the hill and proceed all the way to the main lodge (no turns left or right required – once you see the big barn, you’re there!).

This is a sanctioned event through Athletics Ontario.

Our Partners

On Race Day

Mansfield Outdoor Centre Directions

937365 Airport Rd, Township Of Mulmur, ON L9V 3T6

Our wonderful hosting location is Mansfield Outdoor Centre, in Mulmur. Washrooms are located in the back of the main lodge. Parking should occur in rows parallel to the lodge, we will have volunteers helping organize as you arrive.

We put a lot of effort into planning our events, so please be aware of the following policies:

Deferrals

You may defer your entry until 11:59pm April 30th, 2024 to the Great Mansfield 2025. After that date, you may transfer your bib to another person until May 17, 2024.

Transfers

You may transfer your bib to another person until May 17, 2024.

Refunds

RaceRoster offers a refund program which allows participants protection to recover the costs of registration in case of a number of mitigating conditions. We do not offer refunds outside of this program. Please be sure to select this program if you are unsure you will be able to attend.

  • Arrive about 30-45 minutes before your scheduled start time to park, use the facilities, get warmed up, and listen to the briefing (usually 15 minutes before start time).
  • Start Times are as follows:
    • 6:00 a.m. – Race Kit Pick-Up Open
    • 7:00 a.m. – 50K Start
    • 8:30 a.m. – 25K Start
    • 10:00 a.m. – 10K Start
    • 10:30 a.m. – 5K Start

Parking at Mansfield Outdoors is free, follow the rows that run parallel to the markers facing the lodge, and rows can continue out onto the lawn.

Please do not park along the barn, this is reserved for breweries and volunteers.

Proceed left of the main lodge up to the Log Cabin with the banner out front. Kit pick up is on race day only.

  • Kit pick up starts at 6am for 50k runners
  • Kit pick up for 25k / 10k / 5k runners starts at 7:30 and runs until the last runners leave at 10:30.

Aid Station 1/5 will be the official drop area for racer bags in the 50k only. Make sure your bag has identification on it (we want to be sure you take it with you at the end!) and we’ll tuck it under the aid station table for you to recover on the start of your second lap if you need it.

50K and 25K course information will be emailed out the week prior (GPS data and maps).

  • 50K course briefing: 6:45am
  • 25K course briefing: 8:15am
  • 10K course briefing: 9:45am
  • 5K course briefing: 10:15am


This is a CUP-FREE event! Please bring your own – leave no trace!

All Courses:

  • Start and finish at Mansfield Outdoors Centre
  • Have aid stations both self-serve and full-serve throughout
  • Will have flags matching your course colour
  • Are CUPLESS – Leave no trace, bring your own cup!
  • Will vary in mileage! We’ve used both bike wheel sensor AND footpod to track distance this year, calibrated via straight flat road. We’ve extended the distances slightly based on best course fit, and closest match to what we hope will show up on the widest variety of devices on race day, but we can’t guarantee a perfect course distance. Everyone is running the same course, no complaints.
  • Are full of roots – and unless we get rain before race day, will be more loose than normal. Exercise caution. In case of rain, we strongly recommend trail shoes for grip.
  • We’re finalizing individual distance courses now until race day, but they will be very close to the 2023 courses

Full serve aid stations are located at the Start/Finish line, the Inner Loop junction (all distances), the bottom of the Wheel Hill at the Mulmur Tosorontio townline, and the Upper Parking Lot of the Dufferin County Forest Main Tract (25k and 50k only). These stations will have water, electrolytes, cookies, pretzels and fruit. We’re extremely grateful to our volunteers who will be there to help you throughout your race!

Self serve water-only stations will be located in between each aid station. The maximum distance between aid stations on the 25k loop is 4.5km. ALL AID STATIONS ARE CUPLESS – RACERS ARE REQUIRED TO BRING THEIR OWN WATER RECEPTACLES on course (cups, flasks, tin-horns, etc).

The main lodge at Mansfield Outdoors Centre has washrooms for the race start. On the 25K/50K course, there is a port-a-potty at about 18K in each of the Dufferin County Forest parking areas.

First aid will be supplied by Odyssey Medical, as well as several members of ski patrol on their off-season! We hope you don’t need us, but we’re here if you do!

At the finish line you’ll receive your finisher medal and tasting mug for beer samples. We’ll be working with MOC’s new Pine River Café for great lunch options for pre-order and race day orders!

In the event of rain everything will proceed as planned. A little mud is good for the soul.