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[Ultramarathon with Type 1 Diabetes].

Beat Knechtle1, Pantelis T Nikolaidis2

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Summary
This summary is machine-generated.

This case study shows that individuals with type 1 diabetes can successfully complete ultramarathons. Increased running volume in type 1 diabetes is associated with improved HbA1c levels.

Keywords:
AusdauerbelastungEndurance performanceLaufenStoffwechselstörungmetabolic disorderrunning

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Area of Science:

  • Endocrinology
  • Sports Medicine
  • Diabetes Management

Background:

  • Type 1 diabetes mellitus (T1DM) requires lifelong insulin therapy.
  • Endurance running, including marathons and ultramarathons, presents unique physiological challenges for individuals with T1DM.
  • Technological advancements like insulin pumps and continuous glucose monitoring (CGM) have improved diabetes management during intense physical activity.

Observation:

  • A 63-year-old male with T1DM (diagnosed at age 21) has a history of extensive marathon and ultramarathon participation.
  • He has completed over 90 marathons/ultramarathons, including 48 24-hour runs averaging 133 km, utilizing an insulin pump and CGM.
  • Data analysis spanned years of running volume and HbA1c values.

Findings:

  • A significant increase in monthly exercise volume was observed over the years.
  • A significant decrease in HbA1c values was noted during the study period.
  • A significant inverse correlation was found between monthly running kilometers and HbA1c levels, indicating better glycemic control with higher running volumes.

Implications:

  • This case demonstrates the feasibility of high-level endurance running for individuals with T1DM.
  • Optimized diabetes management strategies, including insulin pump therapy and CGM, are crucial for enabling participation in extreme endurance events.
  • Increased physical activity, specifically running, may contribute to improved long-term glycemic control (lower HbA1c) in athletes with T1DM.