Josephine Chang
Bib: 22064•F•Age: 55
Sunnyvale, 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 | 08:57:40 | 28:47 | 9:45 | 28:47 | 9:45 | - |
5M | 5.00 mi | 09:19:57 | 51:04 | 10:13 | 22:17 | 10:52 | +1:07 |
10.9M | 10.90 mi | 10:17:36 | 1:48:43 | 9:58 | 57:39 | 9:46 | -1:06 |
Finish | 13.11 mi | 10:40:48 | 2:11:55 | 10:04 | 23:12 | 10:30 | +0:44 |
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
9:45 /mi
Average Pace
10:04 /mi
Slowest Pace
10:52 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:49:38
83% of race
Time at Steady Pace
22:17
17% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 10:04 /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 | 08:57:40 | 28:47 | 9:45 | 28:47 | 9:45 | #1706 | |
5M | 5.00 mi | 09:19:57 | 51:04 | 10:13 | 22:17 | 10:52 | #1754 | |
10.9M | 10.90 mi | 10:17:36 | 1:48:43 | 9:58 | 57:39 | 9:46 | #1597 | |
Finish | 13.11 mi | 10:40:48 | 2:11:55 | 10:04 | 23:12 | 10:30 | #1593 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F55-59 | Seg. Overall | Seg. Females | Seg. F55-59 |
|---|---|---|---|---|---|---|---|---|
| 2.95M | 2.95 mi | 2.95 mi | 1706 | 617 | 11 | 1706(Top 50%) | 617(Top 38%) | 11(Top 20%) |
| 5M | 5.00 mi | 2.05 mi | 1754-48 | 638-21 | 11 | 1828(Top 54%) | 688(Top 42%) | 11(Top 20%) |
| 10.9M | 10.90 mi | 5.90 mi | 1597+157 | 567+71 | 10+1 | 1458(Top 43%) | 521(Top 32%) | 10(Top 19%) |
| Finish | 13.11 mi | 2.21 mi | 1593+4 | 577-10 | 10 | 1663(Top 49%) | 640(Top 39%) | 14(Top 26%) |
Segment Performance Analysis
Start → 2.95M
0.0 - 3.0 mi
Overall
1706
Females
617
F55-59
11
2.95M→5M
3.0 - 5.0 mi
Overall
1828
Females
688
F55-59
11
5M→10.9M
5.0 - 10.9 mi
Overall
1458
Females
521
F55-59
10
10.9M→Finish
10.9 - 13.1 mi
Overall
1663
Females
640
F55-59
14
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.95M | - | - | - | - | #1706 |
| 2.95M → 5M | 39* | 87 | -48 | #1706 | #1754 |
| 5M → 10.9M | 180 | 23 | +157 | #1754 | #1597 |
| 10.9M → Finish | 53* | 49 | +4 | #1597 | #1593 |
| TOTALS | 272* | 159 | +113 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Race managed by
The San Francisco Marathon
