#113: How to Finish Every Race Strong | Marathon Tips from My Sister's First Marathon

20 Nov 2025 · 55 min
Episode

20 Nov 2025 · 55 min

0:00

In this episode Floris Gierman interviews his sister Janneke about her six‑month journey to completing her first marathon, the Amsterdam Marathon, in 3:53 h (a negative split). They discuss how Janneke shifted from inconsistent, fast‑paced runs to a low‑heart‑rate, base‑building approach, followed a structured 18‑week marathon plan (6 weeks low‑intensity, then added speed and strength work), and ran five to six days a week, including back‑to‑back long runs. The conversation covers injury prevention, the importance of listening to the body, mental tactics for staying relaxed, and the role of a supportive environment. Detailed race‑day strategy is explored: heart‑rate‑guided pacing (starting in the mid‑140s, staying below 150 bpm until later), using gels every 30 min, salt pills hourly, and a water vest. They describe the use of music, on‑the‑fly adjustments, and the psychological impact of other runners’ stories. Janneke reflects on lessons learned—patience, trusting the process, building a strong aerobic base, and racing one’s own race. The episode also promotes Floris’s book Running Breakthroughs and the sponsor PATH Projects.

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