Overview The Sekhon Indian Air Force Marathon 2025 (SIM-25) , the first event of its kind, successfully concluded, bringing together participants from across the nation to celebrate fitness, valour, and national pride. Held in Delhi and across various Air Force stations, the marathon aimed to honor the legacy of Flying Officer Nirmal Jit Singh Sekhon , a Param Vir Chakra awardee. Key Developments Participation and Reach Delhi Participation: Over 12,000 runners, including men, women, and children, participated in the marathon held in Delhi. National Reach: More than 45,000 participants from 46 Air Force Stations joined the event nationwide. Event Categories: The marathon included categories of 21 km , 10 km , and 5 km , catering to different fitness levels. Notable Attendees and Activities Dignitaries: The event was graced by the Chief of Defence Staff, General Anil Chauhan , and the Chief of the Air Staff, Air Chief Marshal AP Singh . Participation by Air Chief Marshal: Air Chief Marshal AP Singh participated in the 21 km run, inspiring both air warriors and citizens. Event Highlights: The marathon commenced with a Zumba warm-up, followed by performances by the Indian Air Force Band , a display by the Air Warrior Drill Team , and a skydiving performance. Media and Entertainment Netflix Collaboration: Netflix added vibrancy to the event with the presence of actors Huma Qureshi , Shefali Shah , Archana Puran Singh , and Sunil Grover . Operation Safed Sagar Teaser: The teaser of Operation Safed Sagar , a Netflix series portraying the courage of the Indian Air Force during the Kargil War , was unveiled. UPSC Relevance This event is relevant to the UPSC syllabus as it touches upon themes of national pride, military achievements, and government initiatives to promote fitness and unity. It can be linked to GS3 (Defence) , GS1 (Indian Culture) , and GS2 (Government Policies and Interventions) . Potential Exam Questions Discuss the significance of events like the Sekhon Indian Air Force Marathon in promoting national pride and fitness. Analyze the role of the Indian Air Force in promoting national unity and showcasing its capabilities through public events. Evaluate the impact of media partnerships (e.g., Netflix) in highlighting the achievements and sacrifices of the Indian armed forces. Important Facts The marathon is named after Flying Officer Nirmal Jit Singh Sekhon , a Param Vir Chakra recipient. The event saw participation from 46 Air Force Stations across the country. The teaser for Operation Safed Sagar , a series about the Kargil War , was unveiled during the event.