Xuan Gong
Belmont, CA
Bib: 23411 F 33
⏱️ 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 | 09:03:42 | 17:17 | 14:24 | 17:17 | 14:24 | - |
4.9M | 4.90 mi | 09:53:01 | 1:06:36 | 13:35 | 49:19 | 13:20 | -1:04 |
11.9M | 11.90 mi | 11:24:57 | 2:38:32 | 13:19 | 1:31:56 | 13:08 | -0:12 |
Finish | 13.11 mi | 11:41:31 | 2:55:06 | 13:21 | 16:34 | 13:42 | +0:34 |
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
13:08 /mi
Average Pace
13:21 /mi
Slowest Pace
14:24 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:37:49
90% of race
Time at Steady Pace
17:17
10% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 13:21 /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 | 09:03:42 | 17:17 | 14:24 | 17:17 | 14:24 | #3514 | |
4.9M | 4.90 mi | 09:53:01 | 1:06:36 | 13:35 | 49:19 | 13:20 | #3479 | |
11.9M | 11.90 mi | 11:24:57 | 2:38:32 | 13:19 | 1:31:56 | 13:08 | #3295 | |
Finish | 13.11 mi | 11:41:31 | 2:55:06 | 13:21 | 16:34 | 13:42 | #3270 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 3514 | 1586 | 340 | 3514(Top 97%) | 1586(Top 96%) | 340(Top 97%) |
| 4.9M | 4.90 mi | 3.70 mi | 3479+35 | 1561+25 | 333+7 | 3457(Top 96%) | 1544(Top 94%) | 330(Top 94%) |
| 11.9M | 11.90 mi | 7.00 mi | 3295+184 | 1456+105 | 318+15 | 3136(Top 87%) | 1373(Top 83%) | 303(Top 86%) |
| Finish | 13.11 mi | 1.21 mi | 3270+25 | 1446+10 | 317+1 | 3063(Top 85%) | 1364(Top 83%) | 292(Top 83%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
3514
Females
1586
F30-34
341
1.2M→4.9M
1.2 - 4.9 mi
Overall
3457
Females
1544
F30-34
331
4.9M→11.9M
4.9 - 11.9 mi
Overall
3136
Females
1373
F30-34
303
11.9M→Finish
11.9 - 13.1 mi
Overall
3063
Females
1364
F30-34
292
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #3514 |
| 1.2M → 4.9M | 50* | 15 | +35 | #3514 | #3479 |
| 4.9M → 11.9M | 189* | 5 | +184 | #3479 | #3295 |
| 11.9M → Finish | 27* | 2 | +25 | #3295 | #3270 |
| TOTALS | 266* | 22 | +244 |
* 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
