Jeffrey Lum
North Highlands, CA
Bib: 22244 M 45
⏱️ 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 | 08:49:34 | 13:13 | 11:01 | 13:13 | 11:01 | - |
4.9M | 4.90 mi | 09:25:07 | 48:46 | 9:57 | 35:33 | 9:36 | -1:25 |
11.9M | 11.90 mi | 10:35:15 | 1:58:54 | 10:00 | 1:10:08 | 10:01 | +0:25 |
Finish | 13.11 mi | 10:47:05 | 2:10:44 | 9:58 | 11:50 | 9:47 | -0:14 |
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
9:36 /mi
Average Pace
9:58 /mi
Slowest Pace
11:01 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:57:31
90% of race
Time at Steady Pace
13:13
10% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:58 /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 | 08:49:34 | 13:13 | 11:01 | 13:13 | 11:01 | #2302 | |
4.9M | 4.90 mi | 09:25:07 | 48:46 | 9:57 | 35:33 | 9:36 | #2069 | |
11.9M | 11.90 mi | 10:35:15 | 1:58:54 | 10:00 | 1:10:08 | 10:01 | #1869 | |
Finish | 13.11 mi | 10:47:05 | 2:10:44 | 9:58 | 11:50 | 9:47 | #1813 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M45-49 | Seg. Overall | Seg. Males | Seg. M45-49 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 2302 | 1409 | 60 | 2302(Top 64%) | 1409(Top 72%) | 60(Top 63%) |
| 4.9M | 4.90 mi | 3.70 mi | 2069+233 | 1298+111 | 51+9 | 1993(Top 55%) | 1266(Top 65%) | 50(Top 53%) |
| 11.9M | 11.90 mi | 7.00 mi | 1869+200 | 1195+103 | 48+3 | 1765(Top 49%) | 1146(Top 59%) | 46(Top 48%) |
| Finish | 13.11 mi | 1.21 mi | 1813+56 | 1163+32 | 46+2 | 1352(Top 37%) | 915(Top 47%) | 36(Top 38%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
2302
Males
1409
M45-49
60
1.2M→4.9M
1.2 - 4.9 mi
Overall
1993
Males
1266
M45-49
50
4.9M→11.9M
4.9 - 11.9 mi
Overall
1765
Males
1146
M45-49
46
11.9M→Finish
11.9 - 13.1 mi
Overall
1352
Males
915
M45-49
36
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #2302 |
| 1.2M → 4.9M | 287* | 54 | +233 | #2302 | #2069 |
| 4.9M → 11.9M | 225* | 25 | +200 | #2069 | #1869 |
| 11.9M → Finish | 59* | 3 | +56 | #1869 | #1813 |
| TOTALS | 571* | 82 | +489 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Official Timing Data
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Race managed by
The San Francisco Marathon
