Kai Chen
Los Altos Hills, CA
Bib: 19051 M 48
Race Timeline
The Course
Half Splits
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Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
1.81M | 22:03 | 12:11 | 1.81 mi | 22:03 | 12:11 | - | |
5.34M | 1:06:13 | 12:24 | 3.53 mi | 44:10 | 12:31 | +0:20 | |
6.15M | 1:18:20 | 12:44 | 0.81 mi | 12:07 | 14:58 | +2:27 | |
10.54M | 2:18:14 | 13:07 | 4.39 mi | 59:54 | 13:39 | -1:19 | |
11.05M | 2:29:27 | 13:32 | 0.51 mi | 11:13 | 21:59 | +8:20 | |
Finish(13.11 mi) | 3:05:53 | 14:11 | 2.06 mi | 36:26 | 17:42 | -4:17 |
Checkpoints & Pacing
Pace Line
Fastest Pace
12:11 /mi
Average Pace
14:11 /mi
Slowest Pace
21:59 /mi
Segments
Time at Faster Pace
1:06:13
36% of race
Time at Steady Pace
1:12:01
39% of race
Time at Slower Pace
47:39
26% of race
Average Pace: 14:11 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M45-49 | Seg. Overall | Seg. Males | Seg. M45-49 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 6657 | 3795 | 268 | 6657 | 3795 | 268 |
| 5.34M | 5.34 mi | 3.53 mi | 6476+181 | 3742+53 | 259+9 | 6401 | 3712 | 257 |
| 6.15M | 6.15 mi | 0.81 mi | 6551-75 | 3771-29 | 260-1 | 6809 | 3860 | 268 |
| 10.54M | 10.54 mi | 4.39 mi | 6551 | 3767+4 | 256+4 | 6494 | 3712 | 253 |
| 11.05M | 11.05 mi | 0.51 mi | 6608-57 | 3787-20 | 262-6 | 6965 | 3907 | 275 |
| Finish | 13.11 mi | 2.06 mi | 6757-149 | 3842-55 | 271-9 | 6949 | 3895 | 278 |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
6657
Males
3795
M45-49
269
1.81M→5.34M
1.8 - 5.3 mi
Overall
6401
Males
3712
M45-49
258
5.34M→6.15M
5.3 - 6.2 mi
Overall
6809
Males
3860
M45-49
269
6.15M→10.54M
6.2 - 10.5 mi
Overall
6494
Males
3712
M45-49
253
10.54M→11.05M
10.5 - 11.1 mi
Overall
6965
Males
3907
M45-49
275
11.05M→Finish
11.1 - 13.1 mi
Overall
6949
Males
3895
M45-49
278
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #6657 |
| 1.81M → 5.34M | 232* | 51 | +181 | #6657 | #6476 |
| 5.34M → 6.15M | 8 | 83 | -75 | #6476 | #6551 |
| 6.15M → 10.54M | 84* | 84 | 0 | #6551 | #6551 |
| 10.54M → 11.05M | 1 | 58 | -57 | #6551 | #6608 |
| 11.05M → Finish | 10* | 159 | -149 | #6608 | #6757 |
| TOTALS | 335* | 435 | -100 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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The San Francisco Marathon
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