Qianqian Ma
Bib: 23735•F•Age: 33
Mountain View, 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 | 09:12:34 | 19:09 | 9:34 | 19:09 | 9:34 | - |
4M | 4.00 mi | 09:31:39 | 38:14 | 9:34 | 19:05 | 9:33 | -0:01 |
6M | 6.00 mi | 09:55:48 | 1:02:23 | 10:24 | 24:09 | 12:04 | +2:31 |
8M | 8.00 mi | 10:11:17 | 1:17:52 | 9:44 | 15:29 | 7:44 | -4:20 |
10M | 10.00 mi | 10:31:56 | 1:38:31 | 9:51 | 20:39 | 10:20 | +2:36 |
12M | 12.00 mi | 10:53:03 | 1:59:38 | 9:58 | 21:07 | 10:33 | +0:13 |
Finish | 13.11 mi | 11:04:33 | 2:11:08 | 10:00 | 11:30 | 10:22 | -0:11 |
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
7:44 /mi
Average Pace
10:00 /mi
Slowest Pace
12:04 /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
53:43
41% of race
Time at Steady Pace
53:16
41% of race
Time at Slower Pace
24:09
18% of race
Average Pace: 10:00 /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 | 09:12:34 | 19:09 | 9:34 | 19:09 | 9:34 | #1668 | |
4M | 4.00 mi | 09:31:39 | 38:14 | 9:34 | 19:05 | 9:33 | #1854 | |
6M | 6.00 mi | 09:55:48 | 1:02:23 | 10:24 | 24:09 | 12:04 | #1862 | |
8M | 8.00 mi | 10:11:17 | 1:17:52 | 9:44 | 15:29 | 7:44 | #1865 | |
10M | 10.00 mi | 10:31:56 | 1:38:31 | 9:51 | 20:39 | 10:20 | #1835 | |
12M | 12.00 mi | 10:53:03 | 1:59:38 | 9:58 | 21:07 | 10:33 | #1795 | |
Finish | 13.11 mi | 11:04:33 | 2:11:08 | 10:00 | 11:30 | 10:22 | #1807 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|---|
| 2M | 2.00 mi | 2.00 mi | 1668 | 528 | 135 | 1671(Top 44%) | 574(Top 33%) | 145(Top 36%) |
| 4M | 4.00 mi | 2.00 mi | 1854-186 | 620-92 | 163-28 | 2023(Top 53%) | 707(Top 40%) | 188(Top 46%) |
| 6M | 6.00 mi | 2.00 mi | 1862-8 | 621-1 | 161+2 | 1894(Top 49%) | 638(Top 36%) | 160(Top 39%) |
| 8M | 8.00 mi | 2.00 mi | 1865-3 | 622-1 | 159+2 | 2019(Top 53%) | 703(Top 40%) | 177(Top 43%) |
| 10M | 10.00 mi | 2.00 mi | 1835+30 | 615+7 | 155+4 | 1822(Top 47%) | 618(Top 35%) | 153(Top 38%) |
| 12M | 12.00 mi | 2.00 mi | 1795+40 | 602+13 | 153+2 | 1671(Top 44%) | 574(Top 33%) | 145(Top 36%) |
| Finish | 13.11 mi | 1.11 mi | 1807-12 | 615-13 | 155-2 | 1771(Top 46%) | 627(Top 36%) | 160(Top 39%) |
Segment Performance Analysis
10M→12M
0.0 - 2.0 mi
Overall
1671
Females
574
F30-34
145
2M→4M
2.0 - 4.0 mi
Overall
2023
Females
707
F30-34
188
4M→6M
4.0 - 6.0 mi
Overall
1894
Females
638
F30-34
160
6M→8M
6.0 - 8.0 mi
Overall
2019
Females
703
F30-34
177
8M→10M
8.0 - 10.0 mi
Overall
1822
Females
618
F30-34
153
10M→12M
10.0 - 12.0 mi
Overall
1671
Females
574
F30-34
145
12M→Finish
12.0 - 13.1 mi
Overall
1771
Females
627
F30-34
160
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 | - | - | - | - | #1668 |
| 2M → 4M | 36 | 222 | -186 | #1668 | #1854 |
| 4M → 6M | 46 | 54 | -8 | #1854 | #1862 |
| 6M → 8M | 37 | 40 | -3 | #1862 | #1865 |
| 8M → 10M | 52* | 22 | +30 | #1865 | #1835 |
| 10M → 12M | 56 | 16 | +40 | #1835 | #1795 |
| 12M → Finish | 21* | 33 | -12 | #1795 | #1807 |
| TOTALS | 248* | 387 | -139 |
* 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
