Andrew Chen
Mountain View, CA
Bib: 16101 M 21
⏱️ 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 | 07:40:23 | 20:33 | 9:39 | 20:33 | 9:39 | - |
6.62M | 6.62 mi | 08:16:46 | 56:56 | 8:36 | 36:23 | 8:06 | -1:33 |
7.12M | 7.12 mi | 08:22:41 | 1:02:51 | 8:50 | 5:55 | 11:50 | +3:44 |
10.65M | 10.65 mi | 08:54:13 | 1:34:23 | 8:52 | 31:32 | 8:56 | -2:54 |
Finish | 13.11 mi | 09:17:38 | 1:57:48 | 8:59 | 23:25 | 9:31 | +0:35 |
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
8:06 /mi
Average Pace
8:59 /mi
Slowest Pace
11:50 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
36:23
31% of race
Time at Steady Pace
1:15:30
64% of race
Time at Slower Pace
5:55
5% of race
Average Pace: 8:59 /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 | 07:40:23 | 20:33 | 9:39 | 20:33 | 9:39 | #255 | |
6.62M | 6.62 mi | 08:16:46 | 56:56 | 8:36 | 36:23 | 8:06 | #425 | |
7.12M | 7.12 mi | 08:22:41 | 1:02:51 | 8:50 | 5:55 | 11:50 | #478 | |
10.65M | 10.65 mi | 08:54:13 | 1:34:23 | 8:52 | 31:32 | 8:56 | #802 | |
Finish | 13.11 mi | 09:17:38 | 1:57:48 | 8:59 | 23:25 | 9:31 | #1100 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M20-29 | Seg. Overall | Seg. Males | Seg. M20-29 |
|---|---|---|---|---|---|---|---|---|
| 2.13M | 2.13 mi | 2.13 mi | 255 | 217 | 35 | 255(Top 5%) | 217(Top 8%) | 35(Top 13%) |
| 6.62M | 6.62 mi | 4.49 mi | 425-170 | 351-134 | 48-13 | 627(Top 12%) | 499(Top 17%) | 70(Top 25%) |
| 7.12M | 7.12 mi | 0.50 mi | 478-53 | 391-40 | 54-6 | 1375(Top 27%) | 1041(Top 36%) | 141(Top 50%) |
| 10.65M | 10.65 mi | 3.53 mi | 802-324 | 633-242 | 89-35 | 1855(Top 36%) | 1298(Top 45%) | 158(Top 56%) |
| Finish | 13.11 mi | 2.46 mi | 1100-298 | 838-205 | 113-24 | 2480(Top 48%) | 1596(Top 56%) | 186(Top 66%) |
Segment Performance Analysis
Start → 2.13M
0.0 - 2.1 mi
Overall
255
Males
217
M20-24
35
2.13M→6.62M
2.1 - 6.6 mi
Overall
627
Males
499
M20-24
70
6.62M→7.12M
6.6 - 7.1 mi
Overall
1375
Males
1041
M20-24
141
7.12M→10.65M
7.1 - 10.7 mi
Overall
1855
Males
1298
M20-24
158
10.65M→Finish
10.7 - 13.1 mi
Overall
2480
Males
1596
M20-24
186
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.13M | - | - | - | - | #255 |
| 2.13M → 6.62M | 15 | 185 | -170 | #255 | #425 |
| 6.62M → 7.12M | 1 | 54 | -53 | #425 | #478 |
| 7.12M → 10.65M | 4 | 328 | -324 | #478 | #802 |
| 10.65M → Finish | 2* | 300 | -298 | #802 | #1100 |
| TOTALS | 22* | 867 | -845 |
* 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
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