Tsun Tsai
Bib: 24326•M•Age: 37
Campbell, CA
Race Timeline and Course Information
Your journey through the course with elevation, pacing, and checkpoint details
⏱️ Race Timeline
Watch your race unfold from start to finish
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Splits & Pacing
Detailed breakdown of your race performance at each timing point
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2M | 2.00 mi | 08:58:49 | 20:45 | 10:22 | 20:45 | 10:22 | - |
4M | 4.00 mi | 09:17:51 | 39:47 | 9:57 | 19:02 | 9:31 | -0:51 |
6M | 6.00 mi | 09:42:34 | 1:04:30 | 10:45 | 24:43 | 12:21 | +2:50 |
8M | 8.00 mi | 09:58:22 | 1:20:18 | 10:02 | 15:48 | 7:54 | -4:27 |
10M | 10.00 mi | 10:20:35 | 1:42:31 | 10:15 | 22:13 | 11:07 | +3:13 |
12M | 12.00 mi | 10:44:08 | 2:06:04 | 10:30 | 23:33 | 11:46 | +0:39 |
Finish | 13.11 mi | 10:57:34 | 2:19:30 | 10:38 | 13:26 | 12:07 | +0:21 |
Checkpoint Splits Visualizations
Explore your race data through different visual perspectives. Scroll to discover each visualization.
📈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
7:54 /mi
Average Pace
10:38 /mi
Slowest Pace
12:21 /mi
📊Segments
Segment Time Comparison
Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.
Time at Faster Pace
55:35
40% of race
Time at Steady Pace
45:46
33% of race
Time at Slower Pace
38:09
27% of race
Average Pace: 10:38 /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
Enhanced split table showing pace trends through mini sparkline visualizations.
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
2M | 2.00 mi | 08:58:49 | 20:45 | 10:22 | 20:45 | 10:22 | #2326 | |
4M | 4.00 mi | 09:17:51 | 39:47 | 9:57 | 19:02 | 9:31 | #2138 | |
6M | 6.00 mi | 09:42:34 | 1:04:30 | 10:45 | 24:43 | 12:21 | #2108 | |
8M | 8.00 mi | 09:58:22 | 1:20:18 | 10:02 | 15:48 | 7:54 | #2105 | |
10M | 10.00 mi | 10:20:35 | 1:42:31 | 10:15 | 22:13 | 11:07 | #2131 | |
12M | 12.00 mi | 10:44:08 | 2:06:04 | 10:30 | 23:33 | 11:46 | #2164 | |
Finish | 13.11 mi | 10:57:34 | 2:19:30 | 10:38 | 13:26 | 12:07 | #2221 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|---|
| 2M | 2.00 mi | 2.00 mi | 2326 | 1457 | 224 | 2330(Top 61%) | 1409(Top 68%) | 218(Top 71%) |
| 4M | 4.00 mi | 2.00 mi | 2138+188 | 1364+93 | 209+15 | 2011(Top 52%) | 1300(Top 63%) | 201(Top 65%) |
| 6M | 6.00 mi | 2.00 mi | 2108+30 | 1357+7 | 208+1 | 2062(Top 54%) | 1333(Top 65%) | 210(Top 68%) |
| 8M | 8.00 mi | 2.00 mi | 2105+3 | 1359-2 | 209-1 | 2163(Top 56%) | 1385(Top 67%) | 211(Top 68%) |
| 10M | 10.00 mi | 2.00 mi | 2131-26 | 1367-8 | 207+2 | 2273(Top 59%) | 1419(Top 69%) | 218(Top 71%) |
| 12M | 12.00 mi | 2.00 mi | 2164-33 | 1381-14 | 214-7 | 2330(Top 61%) | 1409(Top 68%) | 218(Top 71%) |
| Finish | 13.11 mi | 1.11 mi | 2221-57 | 1399-18 | 214 | 2720(Top 71%) | 1577(Top 76%) | 238(Top 77%) |
Segment Performance Analysis
10M→12M
0.0 - 2.0 mi
Overall
2330
Males
1409
M35-39
218
2M→4M
2.0 - 4.0 mi
Overall
2011
Males
1300
M35-39
201
4M→6M
4.0 - 6.0 mi
Overall
2062
Males
1333
M35-39
210
6M→8M
6.0 - 8.0 mi
Overall
2163
Males
1385
M35-39
211
8M→10M
8.0 - 10.0 mi
Overall
2273
Males
1419
M35-39
218
10M→12M
10.0 - 12.0 mi
Overall
2330
Males
1409
M35-39
218
12M→Finish
12.0 - 13.1 mi
Overall
2720
Males
1577
M35-39
238
Passing
Athletes you passed and who passed you throughout the race
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2M | - | - | - | - | #2326 |
| 2M → 4M | 221 | 33 | +188 | #2326 | #2138 |
| 4M → 6M | 74 | 44 | +30 | #2138 | #2108 |
| 6M → 8M | 31 | 28 | +3 | #2108 | #2105 |
| 8M → 10M | 28* | 54 | -26 | #2105 | #2131 |
| 10M → 12M | 37 | 70 | -33 | #2131 | #2164 |
| 12M → Finish | 7* | 64 | -57 | #2164 | #2221 |
| TOTALS | 398* | 293 | +105 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Analysis Visualizations
Explore your passing analysis through 5 different visualizations. Scroll to discover each one.
📈Position Graph
🎨Heatmap Timeline
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Activity Data
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Official Timing Data
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Race managed by
The San Francisco Marathon
