Chen Liu
Santa Clara, CA
Bib: 18217 F 31

⏱️ 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 | 07:06:44 | 19:38 | 10:51 | 19:38 | 10:51 | - |
5.34M | 5.34 mi | 07:42:52 | 55:46 | 10:27 | 36:08 | 10:14 | -0:37 |
6.15M | 6.15 mi | 07:51:45 | 1:04:39 | 10:31 | 8:53 | 10:58 | +0:44 |
10.54M | 10.54 mi | 08:39:50 | 1:52:44 | 10:42 | 48:05 | 10:57 | -0:01 |
11.05M | 11.05 mi | 08:48:05 | 2:00:59 | 10:57 | 8:15 | 16:10 | +5:13 |
Finish | 13.11 mi | 09:10:02 | 2:22:56 | 10:54 | 21:57 | 10:40 | -5:30 |
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
10:14 /mi
Average Pace
10:54 /mi
Slowest Pace
16:10 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
2:14:41
94% of race
Time at Slower Pace
8:15
6% of race
Average Pace: 10:54 /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 | 07:06:44 | 19:38 | 10:51 | 19:38 | 10:51 | #5475 | |
5.34M | 5.34 mi | 07:42:52 | 55:46 | 10:27 | 36:08 | 10:14 | #4326 | |
6.15M | 6.15 mi | 07:51:45 | 1:04:39 | 10:31 | 8:53 | 10:58 | #4257 | |
10.54M | 10.54 mi | 08:39:50 | 1:52:44 | 10:42 | 48:05 | 10:57 | #4173 | |
11.05M | 11.05 mi | 08:48:05 | 2:00:59 | 10:57 | 8:15 | 16:10 | #4230 | |
Finish | 13.11 mi | 09:10:02 | 2:22:56 | 10:54 | 21:57 | 10:40 | #4062 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 5475 | 2142 | 478 | 5475(Top 77%) | 2142(Top 69%) | 478(Top 69%) |
| 5.34M | 5.34 mi | 3.53 mi | 4326+1149 | 1551+591 | 352+126 | 3806(Top 54%) | 1279(Top 41%) | 289(Top 42%) |
| 6.15M | 6.15 mi | 0.81 mi | 4257+69 | 1509+42 | 342+10 | 4084(Top 58%) | 1427(Top 46%) | 329(Top 48%) |
| 10.54M | 10.54 mi | 4.39 mi | 4173+84 | 1475+34 | 333+9 | 4208(Top 59%) | 1503(Top 48%) | 347(Top 50%) |
| 11.05M | 11.05 mi | 0.51 mi | 4230-57 | 1498-23 | 341-8 | 4688(Top 66%) | 1788(Top 58%) | 413(Top 60%) |
| Finish | 13.11 mi | 2.06 mi | 4062+168 | 1440+58 | 328+13 | 3383(Top 48%) | 1185(Top 38%) | 255(Top 37%) |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
5475
Females
2142
F30-34
479
1.81M→5.34M
1.8 - 5.3 mi
Overall
3806
Females
1279
F30-34
290
5.34M→6.15M
5.3 - 6.2 mi
Overall
4084
Females
1427
F30-34
330
6.15M→10.54M
6.2 - 10.5 mi
Overall
4208
Females
1503
F30-34
348
10.54M→11.05M
10.5 - 11.1 mi
Overall
4688
Females
1788
F30-34
414
11.05M→Finish
11.1 - 13.1 mi
Overall
3383
Females
1185
F30-34
255
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #5475 |
| 1.81M → 5.34M | 1166* | 17 | +1149 | #5475 | #4326 |
| 5.34M → 6.15M | 110 | 41 | +69 | #4326 | #4257 |
| 6.15M → 10.54M | 235* | 151 | +84 | #4257 | #4173 |
| 10.54M → 11.05M | 30 | 87 | -57 | #4173 | #4230 |
| 11.05M → Finish | 184* | 16 | +168 | #4230 | #4062 |
| TOTALS | 1725* | 312 | +1413 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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