She was the only study staff person to work with participants for the full 40 years.

The race was first held in 1980 with 200 participants.

The river run was started in 1983 with 426 participants.

The 10-year high was in 1988, with 5.8 million participants.

This is the world's largest road run with over 60,000 participants every year.

The first edition took place in 1986 with about 8,000 participants.

The season marked a new national record with more than 35,000 participants.

The first edition was held In 1992 with about 1,000 participants.

The trip ended up with 34 participants and was considered a success.

The events were held with participants going in waves over the course of a morning.