The product is a commemorative marathon medal celebrating the 10th anniversary of the Defender 2021 half marathon in San Antonio, Texas. This unique item serves as a tangible symbol of achievement for participants and fans of the event, making it a valuable collectible for those who have completed the race or support the event. The design and significance of the medal highlight the dedication and perseverance of the athletes who have taken on the challenge of the half marathon, making it a meaningful keepsake for all involved.