Simon Lee
san francisco, CA
Bib: 16514 M 36
⏱️ Race Timeline
The Course
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A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:08:20 | 20:24 | 11:16 | 20:24 | 11:16 | - |
5.34M | 5.34 mi | 07:50:33 | 1:02:37 | 11:44 | 42:13 | 11:58 | +0:42 |
6.15M | 6.15 mi | 07:59:47 | 1:11:51 | 11:41 | 9:14 | 11:24 | -0:34 |
10.54M | 10.54 mi | 08:49:39 | 2:01:43 | 11:33 | 49:52 | 11:22 | -0:02 |
11.05M | 11.05 mi | 08:56:57 | 2:09:01 | 11:41 | 7:18 | 14:19 | +2:57 |
Finish | 13.11 mi | 09:22:03 | 2:34:07 | 11:45 | 25:06 | 12:11 | -2:08 |
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
11:16 /mi
Average Pace
11:45 /mi
Slowest Pace
14:19 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:19:30
52% of race
Time at Steady Pace
1:07:19
44% of race
Time at Slower Pace
7:18
5% of race
Average Pace: 11:45 /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 |
|---|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:08:20 | 20:24 | 11:16 | 20:24 | 11:16 | #6022 | |
5.34M | 5.34 mi | 07:50:33 | 1:02:37 | 11:44 | 42:13 | 11:58 | #6002 | |
6.15M | 6.15 mi | 07:59:47 | 1:11:51 | 11:41 | 9:14 | 11:24 | #5822 | |
10.54M | 10.54 mi | 08:49:39 | 2:01:43 | 11:33 | 49:52 | 11:22 | #5359 | |
11.05M | 11.05 mi | 08:56:57 | 2:09:01 | 11:41 | 7:18 | 14:19 | #5222 | |
Finish | 13.11 mi | 09:22:03 | 2:34:07 | 11:45 | 25:06 | 12:11 | #5196 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 6022 | 3547 | 515 | 6022(Top 85%) | 3547(Top 89%) | 515(Top 88%) |
| 5.34M | 5.34 mi | 3.53 mi | 6002+20 | 3542+5 | 513+2 | 6029(Top 85%) | 3551(Top 89%) | 517(Top 89%) |
| 6.15M | 6.15 mi | 0.81 mi | 5822+180 | 3465+77 | 505+8 | 4650(Top 65%) | 2929(Top 74%) | 439(Top 75%) |
| 10.54M | 10.54 mi | 4.39 mi | 5359+463 | 3251+214 | 475+30 | 4712(Top 66%) | 2924(Top 74%) | 433(Top 74%) |
| 11.05M | 11.05 mi | 0.51 mi | 5222+137 | 3185+66 | 467+8 | 3417(Top 48%) | 2257(Top 57%) | 323(Top 55%) |
| Finish | 13.11 mi | 2.06 mi | 5196+26 | 3149+36 | 461+6 | 5146(Top 72%) | 3031(Top 76%) | 442(Top 76%) |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
6022
Males
3547
M35-39
515
1.81M→5.34M
1.8 - 5.3 mi
Overall
6029
Males
3551
M35-39
517
5.34M→6.15M
5.3 - 6.2 mi
Overall
4650
Males
2929
M35-39
439
6.15M→10.54M
6.2 - 10.5 mi
Overall
4712
Males
2924
M35-39
433
10.54M→11.05M
10.5 - 11.1 mi
Overall
3417
Males
2257
M35-39
323
11.05M→Finish
11.1 - 13.1 mi
Overall
5146
Males
3031
M35-39
442
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #6022 |
| 1.81M → 5.34M | 199* | 179 | +20 | #6022 | #6002 |
| 5.34M → 6.15M | 185 | 5 | +180 | #6002 | #5822 |
| 6.15M → 10.54M | 475* | 12 | +463 | #5822 | #5359 |
| 10.54M → 11.05M | 141 | 4 | +137 | #5359 | #5222 |
| 11.05M → Finish | 81* | 55 | +26 | #5222 | #5196 |
| TOTALS | 1081* | 255 | +826 |
* 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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