Eliud Kipchoge running

Sub-2 marathon barrier could fall this weekend, study suggests

Kenyan distance runner Eliud Kipchoge will attempt to break the fabled 2-hour marathon barrier this weekend. A new CU Boulder analysis of the course he'll run in Vienna concludes it's the ideal place to make it happen.
Headshot of Patty Limerick
Patty Limerick featured on The New Yorker Festival panel
A woman seen through facial recognition software
Facial recognition software has a gender problem
The RV Polarstern in Arctic ice, viewed from a helicopter
Students, teachers: Drift along with an epic Arctic climate expedition
Students study on the top floor of JILA, a joint research institute of CU Boulder and NIST.
New Boulder facility to help pave the way for quantum computers