Alejandra Lopez
Bib: 20971•F•Age: 22
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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Splits & Pacing
Detailed breakdown of your race performance at each timing point
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:48:45 | 12:23 | 10:19 | 12:23 | 10:19 | - |
4.9M | 4.90 mi | 09:24:05 | 47:43 | 9:44 | 35:20 | 9:33 | -0:46 |
11.9M | 11.90 mi | 10:38:35 | 2:02:13 | 10:16 | 1:14:30 | 10:39 | +1:06 |
Finish | 13.11 mi | 10:52:04 | 2:15:42 | 10:21 | 13:29 | 11:09 | +0:30 |
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
9:33 /mi
Average Pace
10:21 /mi
Slowest Pace
11:09 /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
47:43
35% of race
Time at Steady Pace
1:27:59
65% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 10:21 /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 |
|---|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:48:45 | 12:23 | 10:19 | 12:23 | 10:19 | #1728 | |
4.9M | 4.90 mi | 09:24:05 | 47:43 | 9:44 | 35:20 | 9:33 | #1892 | |
11.9M | 11.90 mi | 10:38:35 | 2:02:13 | 10:16 | 1:14:30 | 10:39 | #2043 | |
Finish | 13.11 mi | 10:52:04 | 2:15:42 | 10:21 | 13:29 | 11:09 | #2050 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F20-29 | Seg. Overall | Seg. Females | Seg. F20-29 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 1728 | 585 | 99 | 1728(Top 48%) | 585(Top 36%) | 99(Top 43%) |
| 4.9M | 4.90 mi | 3.70 mi | 1892-164 | 664-79 | 115-16 | 1948(Top 54%) | 696(Top 42%) | 121(Top 53%) |
| 11.9M | 11.90 mi | 7.00 mi | 2043-151 | 757-93 | 122-7 | 2126(Top 59%) | 804(Top 49%) | 127(Top 56%) |
| Finish | 13.11 mi | 1.21 mi | 2050-7 | 765-8 | 122 | 2170(Top 60%) | 860(Top 52%) | 137(Top 60%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
1728
Females
585
F20-24
99
1.2M→4.9M
1.2 - 4.9 mi
Overall
1948
Females
696
F20-24
121
4.9M→11.9M
4.9 - 11.9 mi
Overall
2126
Females
804
F20-24
127
11.9M→Finish
11.9 - 13.1 mi
Overall
2170
Females
860
F20-24
137
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 → 1.2M | - | - | - | - | #1728 |
| 1.2M → 4.9M | 76* | 240 | -164 | #1728 | #1892 |
| 4.9M → 11.9M | 63* | 214 | -151 | #1892 | #2043 |
| 11.9M → Finish | 25* | 32 | -7 | #2043 | #2050 |
| TOTALS | 164* | 486 | -322 |
* 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
