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HomeBrevetsSummer 400k (ACP) - CANCELLED -

Brevets - Event View

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Summer 400k (ACP) - CANCELLED -

Registration opens Wednesday, June 30 at 12:01 AM (Pacific Time).

To register online: sign in to your SIR member account. Don't have one? Create one. It's free!
Once you login the Register button will be visible on the right side of this page (or bottom for mobile browsers).
  • Advance registration is required — we cannot accommodate same-day registration.
  • Membership: All riders must have current RUSA and SIR memberships (you'll enter your RUSA number during registration). Don't have a RUSA membership? Join here (or renew if your RUSA membership has expired). Allow a few days in advance for RUSA verification.
  • Online registration is open until Wednesday, July 28 at 11:59 PM (Pacific Time).
  • Ride cost is $45 paid online at the time of registration.
Registration has closed for this event. We cannot accommodate same-day registration at this time.

Due to continuing COVID-19 concerns, this will be a no-contact brevet with all online registration and no manned food controls. We encourage you to bring along your own food and drink, but the route does pass through numerous towns where there are opportunities to refuel. We will report separately on specific COVID-19 protocols, which will apply not only to this brevet but also to future rides for an indefinite time period.

The online registration includes signing a responsibility waiver (using the same SmartWaiver app used for RUSA Permanents). After registering, you'll receive a confirmation email containing a link to the SIR waiver. Complete and submit the waiver to finalize your registration.

With regard to the waiver, we're bound by RUSA insurance rules, which stipulate that riders confirm the email address entered on the waiver. Here's an overview of the process:
  1. Go to, complete the waiver, including your email address. This link is also in your event registration email. To minimize confusion, please also use these for the appropriate fields in the waiver:
    • Designated Event: Summer 400K
    • Designated Event Date: July 31, 2021
  2. Once submitted, you will receive an email containing a link to verify the email address. Click on the link in the email. This will confirm the waiver.
  3. Once you've confirmed the waiver, you'll receive another email with a link to the completed waiver, and your registration will be finalized.

This summer adventure starts in Issaquah and takes you up the favorite Lake Alice Road climb on the way to North Bend and the Snoqualmie Valley Trail. At Rattlesnake Lake you will join the Palouse to Cascades trail (formerly known as the Iron Horse Trail). Enjoy the gentle climb and mountain scenery up and through the tunnel at Snoqualmie Pass. You will stay on the trail to Cle Elem where the route takes to the pavement to Ellensburg. Follow the scenic and quiet Canyon Road to the turnaround at the Roza campground in the Yakima River canyon. From there you will retrace your path to Snoqualmie and finish off with another favorite climb over Issaquah - Fall City road on the way back to the Motel 6. Leave your 23mm tires at home for this route that is almost 50% gravel. Most of it is smooth and well packed, but it does get a bit chunkier between Kecheelus Lake and Cle Elum.

This ride should be fun but challenging. Please keep in mind the following:
  • While the elevation profile is not scary, the extended stretches of gravel do reduce your pace. I expect the majority of riders to finish close to the time limit. I am thinking about the 2016 Summer 600k through Naches over Ellensburg Pass where most of the finishers rolled in during the last half hour (a great ride BTW.) I will not be surprised if this ride ends similarly. Please be physically and mentally prepared for a difficult (but I hope rewarding) ride.
  • Like any SIR ride you need to be self-sufficient. The extended stretches on the Polouse to Cascades trail (formerly Iron Horse) are not far from civilization, but nobody can drive there to pick you up in the case of a DNF. You should never expect a ride home from the organizers but be especially cognizant of this fact on this ride. You also need to be carrying sufficient water to make it from Rattlesnake Lake to the Hayak trailhead and also from Ellensburg to the turnaround point. We will have a staffed control with food and water at the turnaround.
  • I expect everyone to be descending the trail from Snoqualmie pass in the dark. Please be sure your lights are up to the task. Good lights will help you descend faster.
  • Finally, please sign up early if you are planning to ride. We need to plan for support and if only one or two riders are interested, we may not want to ask our volunteer to make the trek to support them in the Yakima Canyon.

Route and Cuesheet: [PRELIMINARY]

Note: Printed cuesheets will not be available at the start. You may choose to print your own. To print the cuesheet from the route page, click the More button, then select Print Cuesheet.
Saturday, July 31, 2021, 5:00 AM
Motel 6
1885 15th Place Northwest
Issaquah, WA  98027
Additional Info:
Jeff Loomis
2021 Brevet Schedule
Registration is closed
Payment In Full In Advance Only
For all SIR events you must have front and rear lights, a reflective vest, and reflective ankle bands. Be prepared to show these to the ride organizer at the start. Your lights should be on during any low-light conditions (rain storms, night, tunnels).