The Rumble

Things are going to be a bit different for the 2021 Rumble because of that whole global pandemic we have going on. We’re not exactly sure what will be different, or how things will be different, as the situation is very fluid, but things will be different. First, we’re pretty certain it’s going to happen, and thus, are opening registration in early December like normal, but as we’ve all learned in 2020, no race is 100% to take place. Hopefully the race venue at Sisters Middle School will remain the same, but that’s also not a guarantee. If we can’t have it there, we’re already working with the Forest Service on other potential venues.

Packet pickup will likely be different. Crews will not be allowed at aid stations. I haven’t decided yet how to handle post-race chillin’, but I do know there will not be food available to non-Rumblers.

Some things that will be the same: dogs will be Rumblin’, finishers will get their sweet finishers’ socks, and post-race burritos will be enjoyed (probably not do-it-yourself style, though).

If you’re still wanting to Rumble with us on the second Sunday in April, then please read on…

Race date is Sunday, April 11, 2021

Registration for the 2021 Rumble opens December 5, 2020 at 12:00 a.m. PST! All registration will be handled through Ultra Signup at this link:

The total number of entrants allowed in the Rumble will be 325 for the 20 miler and 125 for the 40 miler. There will be no waitlist.

40 mile starts at 8 a.m. (7 a.m. Early Start)
20 miles starts at 9 a.m.

This is a fun, low-key event utilizing the Peterson Ridge and Metolius-Windigo multi-use trails near Sisters, OR. Bring a great sense of adventure and you’ll enjoy it! There are two distances in the event: 40 mile and 20 mile options. Both races will start and finish at Sisters Middle School.

This race is a fundraiser for the Sisters High School Cross Country team. Many of the volunteers will be cross country team members. The 40 mile was part of the Oregon Trail Ultra Series (RIP OTS).

Peterson Ridge Rumble operates under a special use permit with the Deschutes National Forest, and is an equal opportunity outdoor recreation service provider.

Entry Fees

Register by February 10: 40 mile run: $60; 20 mile run: $50

Register February 11 – April 3: 40 mile run: $70; 20 mile run: $60

No entries allowed after Sunday, April 15th, i.e., no packet pickup or day of race entries!

NOTICE! No refunds, transfers to other runners, or transfers to other years. If you cannot run for any reason, please know your entry is going to a good cause. It’s a donation to the Sisters High School Cross Country Team. They thank you for your support.

Check-In & Packet Pick-Up

We have two days of pre-race packet pickup; both will be at FootZone in downtown Bend. FootZone is located at 842 NW Wall, right across from the Tower Theater. Please do your best to pick up your packet at FootZone, as this will help alleviate lines on race morning. The packet pickup volunteers, i.e., my parents, greatly appreciate your help with this.

FootZone, April 9, 4 – 6 p.m.
FootZone, April 10, 10 a.m – 5:30 p.m.
Sisters Middle School Track, April 11, 6 a.m. – 15 minutes before your race starts

There is no registration available at FootZone’s packet pick-up or at packet pick-up on race day.

Race Start & Finish Location

Sisters Middle School, 15200 McKenzie Highway, Sisters, Oregon.

Directions to Start: 1/2 mile west of Sisters on Hwy 242 (McKenzie Hwy), on the north side of the highway. The start is actually on the road, right at the corner of Hwy 242 and Edgington (just past the Middle School parking lot).

Parking: Please park in the two main Sisters Middle School parking lots off of Hwy 242.

Post Race

We will have a post-race feast featuring Longboard Louie’s catering with their excellent burritos (from full-on carnivore to full-on vegan, and everything in between), Sisters Bakery treats, and other food and drink starting about 11:30 a.m., with an awards ceremony about 12:30 p.m. for the 20 mile and about 2 p.m. for the 40 mile. All participants will be able to shower in the Sisters Middle School field house locker rooms – well, maybe, as this part is still tbd.


Top 3 overall female and male, and top masters female and male in both races will receive some cool schwag from our sponsors.

All finishers will receive a super cool pair of stylin’ Rumble finisher’s socks. Yes, this is the sock that started the whole finisher-sock craze! Some of you may wonder, why socks instead of shirts? Well, I figure that most runners have lots and lots and lots of race shirts, many of which never get worn. I also figure that most runners go through socks pretty quickly. So I thought it would be fun to give something that runners wear-out fairly quickly, and not give something that runners tend to already have too many of. Plus, the socks are really cool (partially because they have the cool Rumble logo that was designed way back in 2003 by Bronco Billy).

Also, be sure to look for your name on the random prize-drawing table for some great stuff from our sponsors.


The Rumble simply could not happen without the support of these wonderfully supportive sponsors: FootZone (only sponsor that’s been with us all 18 years), OspreyiRunFar, NuunGu, Run Wild AdventuresCentral Oregon Running Klub, Sisters MultisportUSDA Forest Service – Deschutes Natl. Forest – Sisters Rangers District. Please support them when you can.

The Course

The 40 mile is mostly trail with some dirt road sections. The first quarter is gentle uphill, second quarter is gentle downhill, third quarter starts with a gentle up before a couple of longish, 2-mile uphill grinders, and the final quarter is gentle downhill (with some sweet views!), making for a fast finish. Mud and snowy sections are possible.

In the 40 miler, racers will run up the trail for the first mile like normal, then upon reaching the dirt road (Brooks-Scanlon and Edgington), instead of turning left like in the past, you will turn right on the road and loop back to the start line via Edgington (please run on the right). Going through the start area would be a good place to drop jackets, hats, gloves, etc. You will then run up the trail again, and when you reach the dirt road this time (Brooks-Scanlon and Edgington), you will then turn left like years past. Distance to the first aid station is 7.1 miles.

The 20 mile is gentle uphill for the first half, and gentle downhill for the second half. Upon reaching the ridge, there are beautiful views of many of the Central Oregon Cascades peaks. The 20 mile start remains unchanged.

Total ascent and descent for the 40 miler is about 3,000′, and for the 20 miler is about 2,000′.

Course Maps

Thank you to Brendan Trimboli of for using his mapping skills to make this very pretty map and elevation profile of the 40 miler.

Click to enlarge.
Click to enlarge.

20-mile Course Map

Aid Stations and Drop Bags

There will be 6 full aid stations in the 40 mile (plus one water-only), and 4 aid stations in the 20 mile, located approximately every 3-7 miles. For the 40 mile, you can leave drop bags for AS 3 (water only) and AS 6 at the start line on race morning. Aid stations will serve water, Nuun, cola, gels, fruit, potatoes, candy, chips, etc.

Note for 40 milers: Aid Stations 3, 6, & 7 will be cupless, so…bring your own drinking container.

40 mile cut-offs

At approximately mile 24, where the 40 milers turn off the long, straight road to run their second big loop, you need to be there by 12:45 p.m. That is 4 hours and 45 min. for regular starters and 5 hours and 45 min. for early starters. If you are a 40 miler and arrive there after 12:45 p.m., volunteers will direct you straight to the finish with the 20 milers. If you get there before 12:45 p.m., you will be directed to the 40 mile loop. Aid Station 6 will have a 2:15 p.m. cutoff. Aid Station 7 will have a 3:45 p.m. cutoff.

Absolute finish cutoff for 40 miler will be 5 p.m. This is a 15 min/mi average for 40 mile early starters. Please realize this is for the benefit of the many Rumble volunteers so they aren’t out there longer than what is reasonable. Thank you for your understanding on this.

20 mile cut-offs

AS 2, 11:30 a.m.; AS 3, 1 p.m.; AS 4, 2:15 p.m.; Finish 4 p.m. If you arrive at any of these aid stations after the corresponding time, arrangements will be made to drive you back to the finish area. Thank you for your understanding on this.

AS Mileages for 40 mile:

  1. 7.1
  2. 10.3
  3. 14.8 (water & Nuun only) Drop bags; No cups at this aid station!
  4. 18.3
  5. 22.5
  6. 28.5 (2:15 p.m. cutoff) Drop bags; No cups at this aid station!
  7. 35 (3:45 p.m. cutoff); No cups at this aid station!

AS Mileages for 20 mile:

  1. 4.8
  2. 8
  3. 12
  4. 16.2

40 Mile Crew Directions

No Crews at aid stations in 2021!!

Start to AS 1 (also AS 5):

AS 1 to AS 2 (also AS 4):

AS 2 to AS 3:

AS 3 to AS 4:

AS 4 to AS 5: 

AS 6: 

AS 7: