Andy Lai
San Francisco, CA
Bib: 20659 M 29
⏱️ 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 | 08:41:36 | 9:14 | 7:42 | 9:14 | 7:42 | - |
4.9M | 4.90 mi | 09:07:10 | 34:48 | 7:06 | 25:34 | 6:55 | -0:47 |
11.9M | 11.90 mi | 09:57:32 | 1:25:10 | 7:09 | 50:22 | 7:12 | +0:17 |
Finish | 13.11 mi | 10:06:52 | 1:34:30 | 7:13 | 9:20 | 7:43 | +0:31 |
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
6:55 /mi
Average Pace
7:13 /mi
Slowest Pace
7:43 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:15:56
80% of race
Time at Steady Pace
18:34
20% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 7:12 /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 | 08:41:36 | 9:14 | 7:42 | 9:14 | 7:42 | #252 | |
4.9M | 4.90 mi | 09:07:10 | 34:48 | 7:06 | 25:34 | 6:55 | #216 | |
11.9M | 11.90 mi | 09:57:32 | 1:25:10 | 7:09 | 50:22 | 7:12 | #195 | |
Finish | 13.11 mi | 10:06:52 | 1:34:30 | 7:13 | 9:20 | 7:43 | #201 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 252 | 207 | 50 | 252(Top 7%) | 207(Top 11%) | 50(Top 11%) |
| 4.9M | 4.90 mi | 3.70 mi | 216+36 | 178+29 | 44+6 | 211(Top 6%) | 175(Top 9%) | 41(Top 9%) |
| 11.9M | 11.90 mi | 7.00 mi | 195+21 | 165+13 | 41+3 | 198(Top 5%) | 169(Top 9%) | 44(Top 10%) |
| Finish | 13.11 mi | 1.21 mi | 201-6 | 171-6 | 43-2 | 302(Top 8%) | 250(Top 13%) | 57(Top 12%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
252
Males
207
M25-29
50
1.2M→4.9M
1.2 - 4.9 mi
Overall
211
Males
175
M25-29
41
4.9M→11.9M
4.9 - 11.9 mi
Overall
198
Males
169
M25-29
44
11.9M→Finish
11.9 - 13.1 mi
Overall
302
Males
250
M25-29
57
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #252 |
| 1.2M → 4.9M | 42 | 6 | +36 | #252 | #216 |
| 4.9M → 11.9M | 27 | 6 | +21 | #216 | #195 |
| 11.9M → Finish | 2 | 8 | -6 | #195 | #201 |
| TOTALS | 71 | 20 | +51 |
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
