Alexandra Oliver’s Defining Moment at the Centurion Autumn 100

🎯 Objective

To complete the Autumn 100 ultramarathon and earn the Centurion buckle, while testing pacing, fuelling, and mindset strategies that could be applied to coaching clients.

🏃 Athlete Profile

  • Name: Alexandra Oliver
  • Background: Experienced ultra runner and inclusive running coach
  • Previous attempt: Timed out on Leg 3, 66 miles in 2024
  • Coaching goal: Lead from the front by applying tested strategies to personal performance

🏃‍♀️ Overall Stats

  • Distance: 165.73 km
  • Date: 18 October 2025
  • Elapsed Time: 27:33:52
  • Moving Time: 25:02:26
  • Average Pace: 9:59/km
  • Average Heart Rate: 130 bpm
  • Elevation Gain: 1,566 m
  • Perceived Exertion: Max Effort
  • Shoes: Altra Lone Peak 7 and Leg 3 Altra Carbon

📍 Race Strategy

  • Pacing: Run/walk on flats, walk/run on climbs, hold back early to stay strong late
  • Fueling: Real food early (pasta, beans, digestives), PF&H gels and chews later
  • Gear: Prioritised comfort over perfection; accepted compromises in sock-shoe combo
  • Mindset: Focused, strategic, and emotionally regulated—used music only when needed

💡 Key Insights

  • Pain Management: Early discomfort is inevitable; mental boxing and acceptance are crucial
  • Fueling Flexibility: Stomach shutdown after mile 50 required improvisation
  • Emotional Regulation: Suppressed emotion until finish to conserve energy
  • Support Systems: Team NLRC, volunteers, supporters on the course provided essential psychological lift
  • Technology Reflection: Garmin sleep feedback post-race was humorous but not helpful—highlighting the need to interpret data with context

📊 Pacing Insights

🔹 Early Legs (KM 1–30)

  • Pace hovered between 6:40/km and 7:50/km
  • Consistent effort with minimal elevation change
  • Strategy: Held back early—smart pacing to preserve energy

🔹 Mid-Race (KM 31–70)

  • Pace slowed slightly to 7:30–8:30/km
  • Notable spikes (e.g., KM 43 at 18:35/km) reflect aid station stops, elevation and terrain shifts
  • Strategy: Gradual slowdown aligns with fueling challenges and night-time onset

🔹 Overnight Stretch (KM 71–110)

  • Pace ranged from 8:30/km to 11:00/km
  • Several spikes above 13:00/km during climbs and recovery pauses
  • Strategy: This was the toughest section—stomach issues, darkness, and mental fatigue

🔹 Final Push (KM 111–165)

  • Pace stabilised around 10:00–11:30/km
  • Despite fatigue, maintained forward momentum
  • Strategy: Emotional regulation and supporters helped to finish strong

❤️ Heart Rate Trends Analytics

  • Average HR: 130 bpm across 25 hours of movement
  • This suggests excellent aerobic control—you stayed in a sustainable zone
  • No major spikes, even during slower segments, which implies fatigue rather than overexertion
  • Coaching Insight: Paced by effort, not ego—avoiding spikes and staying sustainable. Textbook ultra discipline

🧠 Coaching Takeaways

  • Effort over ego:  HR data shows restraint and control, even when pace dropped
  • Segment planning works: Early pacing gave room to absorb mid-race challenges
  • Recovery pacing matters: Didn’t panic when pace slowed—just kept moving
  • Support and mindset are performance tools: The final stretch proves it

🧩 Coaching Applications

  • Use real race data and emotional reflections to guide clients through pacing and fueling plans
  • Teach adaptive strategies for discomfort and mental fatigue
  • Reinforce the value of community and support
  • Encourage clients to trust their plan and adjust only when necessary
  • Helps athlete interpret post-race metrics with nuance—not just numbers
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