EUGENE, Ore. -- The runoff to settle a third-place tie in the women's 100 meters at the U.S. track trials may not make it to the starting line Monday.

Sprinter Jeneba Tarmoh is reconsidering her decision to take part in the race against training partner Allyson Felix, according to a person with direct knowledge of the situation.

The person spoke on condition of anonymity because no announcement was made. A message was left for an official at USA Track and Field.