5K (or 3.1 miles)
- Bragging Rights
- Mud Blast T-shirt (guaranteed for early or regular registrations. For late registrations, t-shirts given on a first come, first serve basis.)
- Race bib
- Post race celebration
- Opportunity to enjoy offerings from Sierra Nevada Brewing Co.
- A day to let loose with friends and get dirty
The event is timed using a timing chip attached to the racing bib.
We'll be choosing a race photo service soon.
There are certainly risks involved in a mud run, but we take every precaution possible to get you to the finish line safely. There will be first responders on site in case of an emergency. You enter the Mud Blast at your own risk. Signed and dated copies of the "Rules and Regulations" and "Waiver & Release of Liability" must be completed before anyone is allowed to participate or watch the event.
The Mini Mud Blast is recommended for children 5-6, but you know your children best. Families with older children are invited to start with the Family Wave, a group with multi-age participants progressing at their own pace.
Sorry, no refunds under any circumstances; Registrations are non-transferable.
Yes! Teams of ten or more individuals are welcomed to register. To register your team, please contact Rachel (mailto:firstname.lastname@example.org) or Chris (email@example.com) for the team discount.(
The largest three teams will get the first three wave starts.
Family Wave will be the last wave.
More information will be posted soon.
Participants under 18 at the date of registration must have a parent or guardian sign "Rule and Regulations" and "Waiver & Release of Liability" forms.
Parent/guardian must accompany all minors to the Mud Blast.
Children 5-12 may participate in the Mini Mud Blast fun run. Parents must be present at the Mini Mud Blast course and fun run event.
Packets for the San Joaquin River Race can be picked up here:
Thursday, October 18, 10 am - 7 pm in the showroom
Modesto Sports Authority
Friday, October 18 from 11 am - 7 pm
You may also pick up your packet beginning at 7 am on race day.
Your ID and printed confirmation email from Acitve.com (in case there are any glitches).
Yes, but you will need the following items:
- A copy of your friend's photo ID
- A signed letter from your friend stating that you are allowed to pick up their packet.
Race Packets must be picked up at the specified location and dates or onsite at check-in. We will not ship packets to participants
Food, clothing, etc.
- Your race bib and any wrist bands and or tickets included in your registration packet
- Your photo ID and money
- Change of clothes
- Sun screen/bug repellant
- Garbage bag for your muddy running clothes and shoes
- Folding chair or blankets to sit on
- Water to stay hydrated
Yes. There will be lunch, beer, soft drinks, and water available for purchase. If you are a registered participant, lunch is included with registration. Water tents will be set-up at the staging area.
Water aid stations will be provided by Aquas Water Co.
Beer booth courtesy of Sierra Nevada Brewing Co, our title sponsor. Bring your ID and cash!
You'll be covered with mud when you finish. So we recommend you wear clothes that you don't mind getting dirty. We highly recommend good running shoes too. Clothing is required – from technical tees and padded shorts, to fairy wings and superman tights. It's your choice. Feel free to express yourself and embrace the mud! Just please cover all your private parts.
Feel free to take a dunk in the river after the race!
YES! Prizes will be awarded for the best costume.
The Mud Blast will have a sweat check area run by volunteers. Toss your extra layers into a sweat check bag before you start the race. Using a felt tipped pen write your last name and race number on the bag provided at the sweat check site, located near the Registration Tent. You must show your race number to pick up your items. Although we will try to keep this area secure, we want to remind you not to place any valuable items (keys, wallets, cell phones, pagers, watches) in your bag. The Mud Blast, River Partners, its staff, volunteers, and consultants are not liable or responsible for lost items.
Yes, early and regular registrations are guaranteed a Mud Blast t-shirt. Late registrations will not be guaranteed a t-shirt, and those t-shirts will be subject to availability.
Yes, prizes will be awarded for:
- Fastest overall, male/female
- 1st, 2nd, 3rd place age division, male/female
- Fastest team
- Largest team
- Best team costume
- Runner-up costumes
The course and all obstacles must be completed to qualify for prizes.
Fastest team is determined by race times of fastest three team members. For example, 5-person team is judged on results of the fastest three members.
Teams are 3 or more participants. All team members must cross the finish line for the team to qualify for prizes.
Yes, however, see above. Arrive early, between 7:00 am and 8:30 am. Be sure to allow enough time to park and walk to the staging area.
- 6:30 am: Parking lot opens
- 7:00 am: Late Packet Pick-up and On-site Registration begins. (Registration will close promptly at 10 am)
- 8:45 am. Final race instructions; mandatory meeting (we will review these instructions before the family wave begins)
- 9:00 am: Gun time. Racers released in groups of 50-100, every 7 minutes. It's the participants' responsibility to be at the designated start location at least 15 minutes before their wave start time.
- 11:30 am: Mini Mud Blast starts
- 12:00 pm: Awards and celebration start, including Kids’ Prize Drawing
Perfect! More mud.
Yes! Spectators are welcomed to hang-out on the beach or watch the race. Along with a great vantage point of race starts and finishes, there will be several obstacle viewing stations at key points in the race.
Sponsorship and Misc.
Please contact us and we would be glad to discuss sponsorship opportunities. firstname.lastname@example.org or (530) 894-5401
Feel free to email us at email@example.com.
We are sorry, no. No dogs are allowed on the property.
Only in the spectator areas. No baby strollers or baby joggers are allowed on the race course.
ABSOLUTELY NO GLASS ALLOWED!
NO SMOKING ON THE PROPERTY!