Ronnie Lau
Bib: 23329•M•Age: 38
Hayward, 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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An AI deep-dive into your pacing, rankings, and passing — built from your real splits and emailed to you, free.
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 | 08:52:37 | 18:11 | 9:05 | 18:11 | 9:05 | - |
4M | 4.00 mi | 09:09:49 | 35:23 | 8:51 | 17:12 | 8:36 | -0:29 |
6M | 6.00 mi | 09:32:18 | 57:52 | 9:39 | 22:29 | 11:14 | +2:38 |
8M | 8.00 mi | 09:46:35 | 1:12:09 | 9:01 | 14:17 | 7:08 | -4:06 |
10M | 10.00 mi | 10:05:17 | 1:30:51 | 9:05 | 18:42 | 9:21 | +2:13 |
12M | 12.00 mi | 10:25:11 | 1:50:45 | 9:14 | 19:54 | 9:57 | +0:36 |
Finish | 13.11 mi | 10:36:21 | 2:01:55 | 9:18 | 11:10 | 10:04 | +0:07 |
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
7:08 /mi
Average Pace
9:18 /mi
Slowest Pace
11:14 /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
31:29
26% of race
Time at Steady Pace
36:53
30% of race
Time at Slower Pace
53:33
44% of race
Average Pace: 9:18 /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 | 08:52:37 | 18:11 | 9:05 | 18:11 | 9:05 | #1301 | |
4M | 4.00 mi | 09:09:49 | 35:23 | 8:51 | 17:12 | 8:36 | #1293 | |
6M | 6.00 mi | 09:32:18 | 57:52 | 9:39 | 22:29 | 11:14 | #1311 | |
8M | 8.00 mi | 09:46:35 | 1:12:09 | 9:01 | 14:17 | 7:08 | #1326 | |
10M | 10.00 mi | 10:05:17 | 1:30:51 | 9:05 | 18:42 | 9:21 | #1274 | |
12M | 12.00 mi | 10:25:11 | 1:50:45 | 9:14 | 19:54 | 9:57 | #1281 | |
Finish | 13.11 mi | 10:36:21 | 2:01:55 | 9:18 | 11:10 | 10:04 | #1311 |
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 | 1301 | 914 | 159 | 1310(Top 34%) | 892(Top 43%) | 147(Top 48%) |
| 4M | 4.00 mi | 2.00 mi | 1293+8 | 908+6 | 163-4 | 1306(Top 34%) | 908(Top 44%) | 161(Top 52%) |
| 6M | 6.00 mi | 2.00 mi | 1311-18 | 914-6 | 163 | 1363(Top 35%) | 948(Top 46%) | 164(Top 53%) |
| 8M | 8.00 mi | 2.00 mi | 1326-15 | 921-7 | 166-3 | 1468(Top 38%) | 1003(Top 49%) | 169(Top 55%) |
| 10M | 10.00 mi | 2.00 mi | 1274+52 | 885+36 | 160+6 | 1171(Top 30%) | 824(Top 40%) | 134(Top 43%) |
| 12M | 12.00 mi | 2.00 mi | 1281-7 | 884+1 | 158+2 | 1310(Top 34%) | 892(Top 43%) | 147(Top 48%) |
| Finish | 13.11 mi | 1.11 mi | 1311-30 | 899-15 | 159-1 | 1603(Top 42%) | 1043(Top 51%) | 174(Top 56%) |
Segment Performance Analysis
10M→12M
0.0 - 2.0 mi
Overall
1310
Males
892
M35-39
147
2M→4M
2.0 - 4.0 mi
Overall
1306
Males
908
M35-39
161
4M→6M
4.0 - 6.0 mi
Overall
1363
Males
948
M35-39
164
6M→8M
6.0 - 8.0 mi
Overall
1468
Males
1003
M35-39
169
8M→10M
8.0 - 10.0 mi
Overall
1171
Males
824
M35-39
134
10M→12M
10.0 - 12.0 mi
Overall
1310
Males
892
M35-39
147
12M→Finish
12.0 - 13.1 mi
Overall
1603
Males
1043
M35-39
174
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 | - | - | - | - | #1301 |
| 2M → 4M | 79 | 71 | +8 | #1301 | #1293 |
| 4M → 6M | 34 | 52 | -18 | #1293 | #1311 |
| 6M → 8M | 20 | 35 | -15 | #1311 | #1326 |
| 8M → 10M | 66* | 14 | +52 | #1326 | #1274 |
| 10M → 12M | 31 | 38 | -7 | #1274 | #1281 |
| 12M → Finish | 8 | 38 | -30 | #1281 | #1311 |
| TOTALS | 238* | 248 | -10 |
* 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
Enhanced athlete results built from official timing data.
Race managed by
The San Francisco Marathon
