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[Run] Mathilde's Birthday

  • Sat, August 02, 2025
  • 8:00 AM - 1:00 PM

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Mathilde's Birthday Run around Mt Tam!

Mathilde, our ultra queen, is turning 35! To celebrate, we're lacing up for a 35km birthday adventure on our favorite Mt Tam trails. Join us for a special birthday run as we traverse beloved routes—including the breathtaking Temelpa Trail (with its scrambly rock climb to East Peak’s panoramic summit) and the deliciously steep Collier Trail.
35 kilometers for Mathilde’s 35th birthday—another casualy epic Saturday morning!

Full Route:

  • Distance: 21.75 miles (35.0 km)
  • Elevation: 5,804 ft (1,769 m)
  • Pace: Adaptable to the group
  • Starting time: 8:00am
  • Full Mathilde 35 Route

First Loop Only (Still Epic!):

  • Distance: 13.58 miles (21.86 km)
  • Elevation: 3,753 ft (1,144 m)
  • Duration: ~3:30 hours
  • Back at Pantoll: 11:30am
  • First Loop Route

Second Loop (For those joining later):

  • Distance: 7.69 miles (12.38 km)
  • Elevation: 1,965 ft (599 m)
  • Start time: 11:30am (from Pantoll)
  • Duration: ~2 hours
  • Back by: 2:00pm

Starting point:

Post-Run Birthday Lunch:

After our epic birthday run, we'll head out for lunch to celebrate Mathilde!

What to Bring:

  • Water bottles
  • Nutrition (at least 60g of carbs per hour)
  • Electrolytes
  • Smiles and birthday cheer!

Contact @Mathilde Giroud and @Pedro on Slack for details!

Don't come if you are sick or had close contact with a sick person.

Golden Gate Triathlon Club is a 501(c)7 non-profit organization.

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