Female runner makes history as she becomes first to EVER break marathon mark and shatters world record by 100 seconds

RUTH CHEPNGETICH has set a new women’s marathon world record.

The Kenyan, 30, ran an astonishing 2:09:57 at the Chicago Marathon earlier today.

Ruth Chepngetich has set a new women’s marathon world record AlamyThe incredible Chepngetich dedicated her achievement to Kelvin Kiptum[/caption]

In doing so, she became the first woman to break the 2:10:00 barrier.

In fact, she smashed the previous record by nearly two minutes.

The last world record had been...