Entities mentioned:
- Elite Marathon Runners: Competitive spirit, Recognition, Professional pride
- Climate Central: Duty, Curiosity, Righteousness
- Marathon Organizers: Obligation, Adaptation, Professional pride
- Mhairi Maclennan: Competitive spirit, Professional pride, Adaptation

Article Assessment:
Credibility Score: 85/100
Bias Rating: 45/100 (Center)
Sentiment Score: 30/100
Authoritarianism Risk: 15/100 (Strongly Democratic)

Bias Analysis:
The article presents a balanced view, citing scientific studies and expert opinions. It doesn't lean towards any political stance, focusing on the factual impact of climate change on marathons.

Key metric: Marathon Performance Times

Let me tell you something - this climate change curveball is a GAME-CHANGER for the marathon world! We're talking about a whole new playing field, folks. These elite runners are facing a tougher opponent than ever before - Mother Nature herself! It's like they're running uphill both ways in the fourth quarter of the biggest race of their lives. The marathon majors? They're becoming pressure cookers, literally! We're seeing a potential changing of the guard in terms of records and optimal race conditions. It's crunch time for organizers to adapt their game plan or risk losing their championship caliber performances. This is the ultimate endurance test, not just for the athletes, but for the entire sport!