Ann Trason (born August 30, 1960) is an American ultramarathon runner from Auburn, California.
[4][2][5] Trason's ultra career began when she entered the 1985 American River 50 Miler at age 24[2] and both won and set a course record.
[2] She held the women's division course record for 18 years (17:37:51, set in 1994) until it was broken by Ellie Greenwood in 2012.
[7] Trason appears in Christopher McDougall's accounts of the Leadville Trail 100 in the 1990s in his 2009 book, Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen.
Trason and her ex-husband and training partner Carl Andersen co-directed the Dick Collins Firetrails 50 from 2000 through 2010.