Rui Dai
Bib: 20809•M•Age: 33
San Jose, CA
⏱️ Race Timeline
The Course
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Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:58:12 | 10:10 | 8:28 | 10:10 | 8:28 | - |
4.9M | 4.90 mi | 09:30:09 | 42:07 | 8:36 | 31:57 | 8:38 | +0:10 |
11.9M | 11.90 mi | 10:35:24 | 1:47:22 | 9:01 | 1:05:15 | 9:19 | +0:41 |
Finish | 13.11 mi | 10:47:40 | 1:59:38 | 9:08 | 12:16 | 10:09 | +0:50 |
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
8:28 /mi
Average Pace
9:08 /mi
Slowest Pace
10:09 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
42:07
35% of race
Time at Steady Pace
1:05:15
55% of race
Time at Slower Pace
12:16
10% of race
Average Pace: 9:08 /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 | 08:58:12 | 10:10 | 8:28 | 10:10 | 8:28 | #471 | |
4.9M | 4.90 mi | 09:30:09 | 42:07 | 8:36 | 31:57 | 8:38 | #958 | |
11.9M | 11.90 mi | 10:35:24 | 1:47:22 | 9:01 | 1:05:15 | 9:19 | #1159 | |
Finish | 13.11 mi | 10:47:40 | 1:59:38 | 9:08 | 12:16 | 10:09 | #1206 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M30-34 | Seg. Overall | Seg. Males | Seg. M30-34 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 471 | 371 | 104 | 471(Top 13%) | 371(Top 19%) | 104(Top 25%) |
| 4.9M | 4.90 mi | 3.70 mi | 958-487 | 708-337 | 172-68 | 1209(Top 34%) | 873(Top 45%) | 215(Top 51%) |
| 11.9M | 11.90 mi | 7.00 mi | 1159-201 | 829-121 | 204-32 | 1302(Top 36%) | 907(Top 47%) | 220(Top 53%) |
| Finish | 13.11 mi | 1.21 mi | 1206-47 | 855-26 | 219-15 | 1570(Top 44%) | 1025(Top 53%) | 250(Top 60%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
471
Males
371
M30-34
104
1.2M→4.9M
1.2 - 4.9 mi
Overall
1209
Males
873
M30-34
216
4.9M→11.9M
4.9 - 11.9 mi
Overall
1302
Males
907
M30-34
221
11.9M→Finish
11.9 - 13.1 mi
Overall
1570
Males
1025
M30-34
250
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #471 |
| 1.2M → 4.9M | 5* | 492 | -487 | #471 | #958 |
| 4.9M → 11.9M | 26* | 227 | -201 | #958 | #1159 |
| 11.9M → Finish | 7* | 54 | -47 | #1159 | #1206 |
| TOTALS | 38* | 773 | -735 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔥Passing Intensity
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Race managed by
The San Francisco Marathon
