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We are creating a Marathon Time Predictor Tool utilizing scientific research and data from individual runners' races and training.

Please take 3-4 minutes and complete our Questionnaire to help build this tool. Thank you.

Race Dates

2016: Saturday, December 3, 2016
2015: Saturday, December 5, 2015

Course Information

Profile: Very Hilly
Type: Out and Back
Surface: Trail
Certified?: No

Race Day Weather

Mean Temp.: 51°F (10°C)
Average High: 58°F (14°C)
Average Low: 44° F (6°C)

PR Score & Course Score

PR Score: N/A
Course Score: N/A

Race Size

2015: 264 Finishers
2014: 258 Finishers
2013: 198 Finishers

BQ Percentages

2016: N/A
2015: N/A
2014: N/A

Miscellaneous Information

Pace Groups?: No

Marathon Pace Bands

See what splits you need to run for hundreds of different marathons - adjusted for the specific terrain of each marathon, your goal time and pacing strategies.

Create and Order your Waterproof, Snap-on Pace Band for only $6.99.

Course Description

A majority of the North Face Endurance Challenge - San Francisco course consists of fire road with very little technical single track

Marathon Rankings

The North Face Endurance Challenge - Championship was the 240th largest marathon in the U.S. last year and was the 245th largest in 2014.

Elevation Chart

No course elevation available at this time.

Ratings & Reviews: None

Finish Time Equivalent

If you ran the New York City Marathon in 4:34:00, what would your time in the Boston Marathon be?

See how your race times would compare on other marathon courses using the Marathon Time Converter Tool.