Ben Koss
San Francisco
Bib: 491 M 41
Masters
0:00
0:00
/ miMasters
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Overall
#0 / 1267
Top 1%Gender (Male)
#0 / 720
Top 2%Masters (Masters Men)
#0 / 380
Top 0.8%Division (M40-44)
#0 / 91
Top 3%Race Day Weather
39°/29°F
clear sky
Race Timeline
Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 10 · 204 ft
Mile 15 · 154 ft
Start
0:00
Race begins
10K· 6.21 mi
6:05/mi
37:50
↑ 218 ft↓ 323 ft0.3% grade
13.1M
6:12/mi
1:20:34
↑ 132 ft↓ 211 ft0.2% grade
20M
6:18/mi
2:04:04
↑ 195 ft↓ 222 ft
Finish· 26.22 mi
6:04/mi
2:41:46
↑ 64 ft↓ 131 ft0.2% grade
Course Elevation
611ft
Total climb
353ft
Range
58 to 411 ft
894ft
Total descent
About the height of a redwood tree
The Course
Half Splits
1st Half· via 13.1M
1:20:346:09 /mi⚖️ balanced
2nd Half
1:21:126:11 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report
Ben's race, broken down like a coach
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Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
10K | 37:50 | 6:05 | 6.21 mi | 37:50 | 6:05 | - | |
13.1M | 1:20:34 | 6:09 | 6.89 mi | 42:44 | 6:12 | +0:07 | |
20M | 2:04:04 | 6:12 | 6.90 mi | 43:30 | 6:18 | +0:06 | |
Finish(26.22 mi) | 2:41:46 | 6:10 | 6.22 mi | 37:42 | 6:04 | -0:14 |
Trend:
Faster pace
Steady pace
Slower pace
More below
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