Mengzhuang Li
Los Altos Hills, CA
Bib: 9157 F 30
⏱️ Race Timeline
The Course
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Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:27:37 | 24:21 | 11:26 | 24:21 | 11:26 | - |
6.62M | 6.62 mi | 08:11:00 | 1:07:44 | 10:14 | 43:23 | 9:40 | -1:46 |
7.12M | 7.12 mi | 08:18:25 | 1:15:09 | 10:33 | 7:25 | 14:50 | +5:10 |
10.65M | 10.65 mi | 08:56:18 | 1:53:02 | 10:37 | 37:53 | 10:44 | -4:06 |
Finish | 13.11 mi | 09:23:57 | 2:20:41 | 10:44 | 27:39 | 11:15 | +0:31 |
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
9:40 /mi
Average Pace
10:44 /mi
Slowest Pace
14:50 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
43:23
31% of race
Time at Steady Pace
1:29:53
64% of race
Time at Slower Pace
7:25
5% of race
Average Pace: 10:44 /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 | 07:27:37 | 24:21 | 11:26 | 24:21 | 11:26 | #1449 | |
6.62M | 6.62 mi | 08:11:00 | 1:07:44 | 10:14 | 43:23 | 9:40 | #2070 | |
7.12M | 7.12 mi | 08:18:25 | 1:15:09 | 10:33 | 7:25 | 14:50 | #2198 | |
10.65M | 10.65 mi | 08:56:18 | 1:53:02 | 10:37 | 37:53 | 10:44 | #2709 | |
Finish | 13.11 mi | 09:23:57 | 2:20:41 | 10:44 | 27:39 | 11:15 | #3018 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|---|
| 2.13M | 2.13 mi | 2.13 mi | 1449 | 384 | 73 | 1449(Top 28%) | 384(Top 17%) | 73(Top 16%) |
| 6.62M | 6.62 mi | 4.49 mi | 2070-621 | 619-235 | 119-46 | 2400(Top 46%) | 792(Top 35%) | 161(Top 35%) |
| 7.12M | 7.12 mi | 0.50 mi | 2198-128 | 672-53 | 131-12 | 3201(Top 62%) | 1164(Top 51%) | 245(Top 53%) |
| 10.65M | 10.65 mi | 3.53 mi | 2709-511 | 940-268 | 184-53 | 3762(Top 73%) | 1496(Top 65%) | 303(Top 65%) |
| Finish | 13.11 mi | 2.46 mi | 3018-309 | 1088-148 | 217-33 | 3948(Top 76%) | 1632(Top 71%) | 340(Top 73%) |
Segment Performance Analysis
Start → 2.13M
0.0 - 2.1 mi
Overall
1449
Females
384
F30-34
73
2.13M→6.62M
2.1 - 6.6 mi
Overall
2400
Females
792
F30-34
161
6.62M→7.12M
6.6 - 7.1 mi
Overall
3201
Females
1164
F30-34
246
7.12M→10.65M
7.1 - 10.7 mi
Overall
3762
Females
1496
F30-34
303
10.65M→Finish
10.7 - 13.1 mi
Overall
3948
Females
1632
F30-34
340
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.13M | - | - | - | - | #1449 |
| 2.13M → 6.62M | 13* | 634 | -621 | #1449 | #2070 |
| 6.62M → 7.12M | 11 | 139 | -128 | #2070 | #2198 |
| 7.12M → 10.65M | 9* | 520 | -511 | #2198 | #2709 |
| 10.65M → Finish | 16* | 325 | -309 | #2709 | #3018 |
| TOTALS | 49* | 1618 | -1569 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Official Timing Data
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Race managed by
The San Francisco Marathon
Race timed by
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