Zhaokun Li
San Francisco, CA
Bib: 10074 M 32
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:53:32 | 30:00 | 14:05 | 30:00 | 14:05 | - |
6.62M | 6.62 mi | 08:42:48 | 1:19:16 | 11:58 | 49:16 | 10:58 | -3:07 |
7.12M | 7.12 mi | 08:51:12 | 1:27:40 | 12:19 | 8:24 | 16:48 | +5:50 |
10.65M | 10.65 mi | 09:30:45 | 2:07:13 | 11:57 | 39:33 | 11:12 | -5:36 |
Finish | 13.11 mi | 09:59:10 | 2:35:38 | 11:52 | 28:25 | 11:33 | +0:21 |
Checkpoints & Pacing
Pace Line
Pace Progression
Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
10:58 /mi
Average Pace
11:52 /mi
Slowest Pace
16:48 /mi
Segments
Segment Time Comparison
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
1:57:14
75% of race
Time at Slower Pace
38:24
25% of race
Average Pace: 11:52 /mi
Heatmap
Pace Heatmap
Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.
Click or hover over segments to see details
Sparklines
Checkpoint Splits with Pace Trends
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:53:32 | 30:00 | 14:05 | 30:00 | 14:05 | #4220 | |
6.62M | 6.62 mi | 08:42:48 | 1:19:16 | 11:58 | 49:16 | 10:58 | #3957 | |
7.12M | 7.12 mi | 08:51:12 | 1:27:40 | 12:19 | 8:24 | 16:48 | #4011 | |
10.65M | 10.65 mi | 09:30:45 | 2:07:13 | 11:57 | 39:33 | 11:12 | #4040 | |
Finish | 13.11 mi | 09:59:10 | 2:35:38 | 11:52 | 28:25 | 11:33 | #4059 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M30-34 | Seg. Overall | Seg. Males | Seg. M30-34 |
|---|---|---|---|---|---|---|---|---|
| 2.13M | 2.13 mi | 2.13 mi | 4220 | 2495 | 564 | 4220 | 2495 | 564 |
| 6.62M | 6.62 mi | 4.49 mi | 3957+263 | 2374+121 | 537+27 | 3830 | 2310 | 525 |
| 7.12M | 7.12 mi | 0.50 mi | 4011-54 | 2401-27 | 545-8 | 4165 | 2469 | 565 |
| 10.65M | 10.65 mi | 3.53 mi | 4040-29 | 2396+5 | 542+3 | 4114 | 2406 | 538 |
| Finish | 13.11 mi | 2.46 mi | 4059-19 | 2396 | 545-3 | 4110 | 2373 | 533 |
Segment Performance Analysis
Start → 2.13M
0.0 - 2.1 mi
Overall
4220
Males
2495
M30-34
565
2.13M→6.62M
2.1 - 6.6 mi
Overall
3830
Males
2310
M30-34
526
6.62M→7.12M
6.6 - 7.1 mi
Overall
4165
Males
2469
M30-34
566
7.12M→10.65M
7.1 - 10.7 mi
Overall
4114
Males
2406
M30-34
539
10.65M→Finish
10.7 - 13.1 mi
Overall
4110
Males
2373
M30-34
533
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.13M | - | - | - | - | #4220 |
| 2.13M → 6.62M | 339* | 76 | +263 | #4220 | #3957 |
| 6.62M → 7.12M | 17* | 71 | -54 | #3957 | #4011 |
| 7.12M → 10.65M | 70* | 99 | -29 | #4011 | #4040 |
| 10.65M → Finish | 52* | 71 | -19 | #4040 | #4059 |
| TOTALS | 478* | 317 | +161 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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Official Timing Data
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Race managed by
The San Francisco Marathon
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