Tiffany Zhou
San Francisco, CA
Bib: 22776 F 24
⏱️ 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.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:48:27 | 12:02 | 10:02 | 12:02 | 10:02 | - |
4.9M | 4.90 mi | 09:23:14 | 46:49 | 9:33 | 34:47 | 9:24 | -0:38 |
11.9M | 11.90 mi | 10:41:18 | 2:04:53 | 10:30 | 1:18:04 | 11:09 | +1:45 |
Finish | 13.11 mi | 10:54:31 | 2:18:06 | 10:32 | 13:13 | 10:56 | -0:13 |
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
9:24 /mi
Average Pace
10:32 /mi
Slowest Pace
11:09 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
46:49
34% of race
Time at Steady Pace
13:13
10% of race
Time at Slower Pace
1:18:04
57% of race
Average Pace: 10:32 /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 |
|---|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:48:27 | 12:02 | 10:02 | 12:02 | 10:02 | #1524 | |
4.9M | 4.90 mi | 09:23:14 | 46:49 | 9:33 | 34:47 | 9:24 | #1736 | |
11.9M | 11.90 mi | 10:41:18 | 2:04:53 | 10:30 | 1:18:04 | 11:09 | #2188 | |
Finish | 13.11 mi | 10:54:31 | 2:18:06 | 10:32 | 13:13 | 10:56 | #2176 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F20-29 | Seg. Overall | Seg. Females | Seg. F20-29 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 1524 | 485 | 84 | 1524(Top 42%) | 485(Top 29%) | 84(Top 37%) |
| 4.9M | 4.90 mi | 3.70 mi | 1736-212 | 589-104 | 103-19 | 1829(Top 51%) | 627(Top 38%) | 109(Top 48%) |
| 11.9M | 11.90 mi | 7.00 mi | 2188-452 | 834-245 | 133-30 | 2413(Top 67%) | 968(Top 59%) | 156(Top 68%) |
| Finish | 13.11 mi | 1.21 mi | 2176+12 | 830+4 | 133 | 2052(Top 57%) | 790(Top 48%) | 126(Top 55%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
1524
Females
485
F20-24
84
1.2M→4.9M
1.2 - 4.9 mi
Overall
1829
Females
627
F20-24
109
4.9M→11.9M
4.9 - 11.9 mi
Overall
2413
Females
968
F20-24
156
11.9M→Finish
11.9 - 13.1 mi
Overall
2052
Females
790
F20-24
126
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #1524 |
| 1.2M → 4.9M | 48* | 260 | -212 | #1524 | #1736 |
| 4.9M → 11.9M | 23* | 475 | -452 | #1736 | #2188 |
| 11.9M → Finish | 24* | 12 | +12 | #2188 | #2176 |
| TOTALS | 95* | 747 | -652 |
* 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
Enhanced athlete results built from official timing data.
Race managed by
The San Francisco Marathon
