Past Event

Obstacles & Mud at Altitude

In-N-Out Tough Mudder Challenge

Sep

5

Fri

Date & Time

Sep. 5, 2025 — Sep. 7, 2025

7:00 AM — 6:00 PM

Please note, this event has happened in the past.

Location

Bear Mountain

43101 Goldmine Drive, Big Bear Lake, CA, 92315

See on map

Register

Register on ToughMudder.com. Must be 14+ to participate in the challenge.

In-N-Out Tough Mudder Challenge

2019_BB_SS_LS_SpartanEvent_Jpeg_18.jpg
2019_BB_SS_LS_SpartanEvent_Jpeg_18.jpg
Big Bear Mountain Resort is proud to present the first Tough Mudder x In-N-Out Burger Challenge in Big Bear Lake, California, which takes place at Bear Mountain on September 5-7, 2025. Prepare to dive in for an alpine muddy good time and choose between two courses - a 5K featuring 12+ obstacles or a 10K with 20 obstacles. Once you tackle the customized course, celebrate in the Mudder Village with an iconic Double-Double® that will be made fresh from one of the In-N-Out® Cookout Trucks.

This is a dry event - NO alcohol allowed.
Tough Mudder Details

Sep

5

Fri

Past Event

Obstacles & Mud at Altitude

In-N-Out Tough Mudder Challenge

Date & Time

Sep. 5, 2025 — Sep. 7, 2025

7:00 AM — 6:00 PM

Please note, this event has happened in the past.

Location

Bear Mountain

43101 Goldmine Drive, Big Bear Lake, CA, 92315

See on map

Register

Register on ToughMudder.com. Must be 14+ to participate in the challenge.

In-N-Out Tough Mudder Challenge

Big Bear Mountain Resort is proud to present the first Tough Mudder x In-N-Out Burger Challenge in Big Bear Lake, California, which takes place at Bear Mountain on September 5-7, 2025. Prepare to dive in for an alpine muddy good time and choose between two courses - a 5K featuring 12+ obstacles or a 10K with 20 obstacles. Once you tackle the customized course, celebrate in the Mudder Village with an iconic Double-Double® that will be made fresh from one of the In-N-Out® Cookout Trucks.

This is a dry event - NO alcohol allowed.
Tough Mudder Details
2019_BB_SS_LS_SpartanEvent_Jpeg_18.jpg
2019_BB_SS_LS_SpartanEvent_Jpeg_18.jpg
    • Event Schedule
      FRIDAY & SATURDAY, SEPT. 5-6

      • 7AM: Registration Opens
      • 7AM: Festival and Merchandise Opens
      • 8AM: First 10K Wave
      • 10AM: First 5K Wave
      • 11:45AM: Last 10K Wave
      • 1:45PM: First 5K Wave
      • 2PM: Registration Closes
      • 4PM: Festival Challenge
      • 6PM: Festival Closes

      SUNDAY, SEPT. 7

      • 8AM: Registration Opens
      • 8AM: Festival and Merchandise Opens
      • 9AM: First 10K Wave
      • 9AM: First 5K Wave
      • 10:45AM: Last Wave - All Distances
      • 12PM: Registration Closes
      • 2PM: Festival Challenge
      • 6PM: Festival Closes
    • Spectator Passes
      Purchase a Spectator & Mudder Village Pass that includes access to the spectator routes, live entertainment, a burger, and more. Children 12 and under, as of the event date, are included with a guardian spectator pass.
    • Dining
      FRIDAY, SEPT. 5

      • 7AM-3:30PM: Outlaw Luau and Tiki Bar (serving Hawaiian BBQ & poke starting at 11:30AM)
      • 10:30AM-6PM: BBQ in the Park

      SATURDAY, SEPT. 6

      • 7AM-3:30PM: Outlaw Luau and Tiki Bar (serving Hawaiian BBQ & poke starting at 11:30AM)
      • 10AM-8PM: Laybacks Bar - VIP Only (inside bar area)
      • 10:30AM-6PM: BBQ in the Park

      SUNDAY, SEPT. 7

      • 8AM-3:30PM: Outlaw Luau and Tiki Bar (serving Hawaiian BBQ & poke starting at 11:30AM)
      • 10:30AM-6PM: BBQ in the Park
    • Parking & Shuttle Info
      PARKING

      VIP, staff, volunteer, vendor, and ADA parking will be offered at the Bear Mountain upper parking lot, and across the street at the Clubhouse Lot. General parking will be offered, at no charge, at the Moonridge Lot situated down the street.

      SHUTTLES

      For participants and spectators parking at the Moonridge Lot, there will be a parking shuttle operating during festival hours on Friday and Saturday, September 5-6 from 7AM to 6PM & Sunday, September 7 from 8AM to 6PM.