Justin Lam
Bib: 21157•M•Age: 25
San Francisco, CA
⏱️ Race Timeline
The Course
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Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.95M | 2.95 mi | 09:00:49 | 29:22 | 9:57 | 29:22 | 9:57 | - |
5M | 5.00 mi | 09:21:27 | 50:00 | 10:00 | 20:38 | 10:04 | +0:07 |
10.9M | 10.90 mi | 10:15:09 | 1:43:42 | 9:31 | 53:42 | 9:06 | -0:58 |
Finish | 13.11 mi | 10:34:55 | 2:03:28 | 9:25 | 19:46 | 8:57 | -0:09 |
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
8:57 /mi
Average Pace
9:25 /mi
Slowest Pace
10:04 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:13:28
60% of race
Time at Steady Pace
50:00
40% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:25 /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 |
|---|---|---|---|---|---|---|---|---|
2.95M | 2.95 mi | 09:00:49 | 29:22 | 9:57 | 29:22 | 9:57 | #1820 | |
5M | 5.00 mi | 09:21:27 | 50:00 | 10:00 | 20:38 | 10:04 | #1622 | |
10.9M | 10.90 mi | 10:15:09 | 1:43:42 | 9:31 | 53:42 | 9:06 | #1280 | |
Finish | 13.11 mi | 10:34:55 | 2:03:28 | 9:25 | 19:46 | 8:57 | #1187 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|---|
| 2.95M | 2.95 mi | 2.95 mi | 1820 | 1144 | 313 | 1820(Top 54%) | 1144(Top 65%) | 313(Top 70%) |
| 5M | 5.00 mi | 2.05 mi | 1622+198 | 1042+102 | 286+27 | 1340(Top 39%) | 894(Top 51%) | 249(Top 56%) |
| 10.9M | 10.90 mi | 5.90 mi | 1280+342 | 852+190 | 237+49 | 1051(Top 31%) | 721(Top 41%) | 205(Top 46%) |
| Finish | 13.11 mi | 2.21 mi | 1187+93 | 791+61 | 221+16 | 863(Top 25%) | 590(Top 34%) | 165(Top 37%) |
Segment Performance Analysis
Start → 2.95M
0.0 - 3.0 mi
Overall
1820
Males
1144
M25-29
316
2.95M→5M
3.0 - 5.0 mi
Overall
1340
Males
894
M25-29
251
5M→10.9M
5.0 - 10.9 mi
Overall
1051
Males
721
M25-29
207
10.9M→Finish
10.9 - 13.1 mi
Overall
863
Males
590
M25-29
165
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.95M | - | - | - | - | #1820 |
| 2.95M → 5M | 200* | 2 | +198 | #1820 | #1622 |
| 5M → 10.9M | 349 | 7 | +342 | #1622 | #1280 |
| 10.9M → Finish | 96* | 3 | +93 | #1280 | #1187 |
| TOTALS | 645* | 12 | +633 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Public Race Data
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Race managed by
The San Francisco Marathon
