Bay to Breakers vs Bolder Boulder
31/100 Moderate
Bay to Breakers vs
34/100 Moderate
Bolder Boulder San Francisco, United States | Boulder, United States
Marathon Index Score
Bay to Breakers
Elevation Gain 16.9
Temperature 8.1
Surface 0
Topology 5
Bolder Boulder
Elevation Gain 15.9
Temperature 7.6
Surface 0
Topology 5
Distance
21.0975 km
Bay to Breakers
21.0975 km
Bolder Boulder
Elevation Gain
305m
Bay to Breakers
287m ▶
Bolder Boulder
Avg Finish Time
≈ 2h 12m
Bay to Breakers
≈ 2h 03m ▶
Bolder Boulder
Finishers
16,700
Bay to Breakers
47,645 ▶
Bolder Boulder
Established
◀ 1,912
Bay to Breakers
1,979
Bolder Boulder
Entry Cost
◀ $65-$85
Bay to Breakers
$65-$95
Bolder Boulder
Temperature
16°C
Bay to Breakers
18°C ▶
Bolder Boulder
Humidity
72%
Bay to Breakers
45% ▶
Bolder Boulder
Rain Chance
15%
Bay to Breakers
15%
Bolder Boulder
Surface
road
Bay to Breakers
road
Bolder Boulder
Topology
point-to-point
Bay to Breakers
point-to-point
Bolder Boulder
Difficulty
◀ 31
Bay to Breakers
34
Bolder Boulder
≈ = estimate, not an official figure
Our Verdict
Bolder Boulder — a flatter course
Bolder Boulder — warmer weather
Bay to Breakers — cooler weather
Bay to Breakers — a cheaper entry
Bolder Boulder — a bigger field
Bolder Boulder — a faster course
Bay to Breakers — an easier course
Bolder Boulder — a more challenging course
Bay to Breakers — a more historic race
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Bay to Breakers
San Francisco, United States
View Full Race Page
Bolder Boulder
Boulder, United States
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