Brian Wu
Castro Valley, CA
Bib: 18364 M 50

⏱️ 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 | 06:50:54 | 17:41 | 9:46 | 17:41 | 9:46 | - |
5.34M | 5.34 mi | 07:33:39 | 1:00:26 | 11:19 | 42:45 | 12:07 | +2:21 |
6.15M | 6.15 mi | 07:45:38 | 1:12:25 | 11:47 | 11:59 | 14:48 | +2:41 |
10.54M | 10.54 mi | 08:55:29 | 2:22:16 | 13:30 | 1:09:51 | 15:55 | +1:07 |
11.05M | 11.05 mi | 09:05:44 | 2:32:31 | 13:48 | 10:15 | 20:06 | +4:11 |
Finish | 13.11 mi | 09:47:46 | 3:14:33 | 14:50 | 42:02 | 20:25 | +0:19 |
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
9:46 /mi
Average Pace
14:50 /mi
Slowest Pace
20:25 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:00:26
31% of race
Time at Steady Pace
1:21:50
42% of race
Time at Slower Pace
52:17
27% of race
Average Pace: 14:50 /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 | 06:50:54 | 17:41 | 9:46 | 17:41 | 9:46 | #3449 | |
5.34M | 5.34 mi | 07:33:39 | 1:00:26 | 11:19 | 42:45 | 12:07 | #5613 | |
6.15M | 6.15 mi | 07:45:38 | 1:12:25 | 11:47 | 11:59 | 14:48 | #5912 | |
10.54M | 10.54 mi | 08:55:29 | 2:22:16 | 13:30 | 1:09:51 | 15:55 | #6699 | |
11.05M | 11.05 mi | 09:05:44 | 2:32:31 | 13:48 | 10:15 | 20:06 | #6701 | |
Finish | 13.11 mi | 09:47:46 | 3:14:33 | 14:50 | 42:02 | 20:25 | #6882 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 3449 | 2330 | 91 | 3449(Top 49%) | 2330(Top 59%) | 91(Top 49%) |
| 5.34M | 5.34 mi | 3.53 mi | 5613-2164 | 3373-1043 | 143-52 | 6143(Top 87%) | 3601(Top 91%) | 153(Top 83%) |
| 6.15M | 6.15 mi | 0.81 mi | 5912-299 | 3503-130 | 150-7 | 6777(Top 95%) | 3846(Top 97%) | 178(Top 96%) |
| 10.54M | 10.54 mi | 4.39 mi | 6699-787 | 3819-316 | 177-27 | 6979(Top 98%) | 3912(Top 98%) | 181(Top 98%) |
| 11.05M | 11.05 mi | 0.51 mi | 6701-2 | 3818+1 | 177 | 6641(Top 94%) | 3776(Top 95%) | 172(Top 93%) |
| Finish | 13.11 mi | 2.06 mi | 6882-181 | 3881-63 | 181-4 | 7068(Top 100%) | 3955(Top 99%) | 184(Top 99%) |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
3449
Males
2330
M50-54
93
1.81M→5.34M
1.8 - 5.3 mi
Overall
6143
Males
3601
M50-54
154
5.34M→6.15M
5.3 - 6.2 mi
Overall
6777
Males
3846
M50-54
179
6.15M→10.54M
6.2 - 10.5 mi
Overall
6979
Males
3912
M50-54
182
10.54M→11.05M
10.5 - 11.1 mi
Overall
6641
Males
3776
M50-54
173
11.05M→Finish
11.1 - 13.1 mi
Overall
7068
Males
3955
M50-54
184
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #3449 |
| 1.81M → 5.34M | 10* | 2174 | -2164 | #3449 | #5613 |
| 5.34M → 6.15M | 3 | 302 | -299 | #5613 | #5912 |
| 6.15M → 10.54M | 6* | 793 | -787 | #5912 | #6699 |
| 10.54M → 11.05M | 5 | 7 | -2 | #6699 | #6701 |
| 11.05M → Finish | 7* | 188 | -181 | #6701 | #6882 |
| TOTALS | 31* | 3464 | -3433 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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