Chenhui Zhou
Bib: 17824•M•Age: 28
Palo Alto, CA
⏱️ Race Timeline
The Course
Claim it — unlock a deeper AI report on this race, free
A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.95M | 2.95 mi | 09:18:37 | 27:16 | 9:15 | 27:16 | 9:15 | - |
5M | 5.00 mi | 09:37:18 | 45:57 | 9:11 | 18:41 | 9:07 | -0:08 |
10.9M | 10.90 mi | 10:28:53 | 1:37:32 | 8:57 | 51:35 | 8:45 | -0:22 |
Finish | 13.11 mi | 10:47:26 | 1:56:05 | 8:51 | 18:33 | 8:24 | -0:21 |
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
8:24 /mi
Average Pace
8:51 /mi
Slowest Pace
9:15 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:28:49
77% of race
Time at Steady Pace
27:16
23% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 8:51 /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 | 09:18:37 | 27:16 | 9:15 | 27:16 | 9:15 | #963 | |
5M | 5.00 mi | 09:37:18 | 45:57 | 9:11 | 18:41 | 9:07 | #822 | |
10.9M | 10.90 mi | 10:28:53 | 1:37:32 | 8:57 | 51:35 | 8:45 | #701 | |
Finish | 13.11 mi | 10:47:26 | 1:56:05 | 8:51 | 18:33 | 8:24 | #627 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|---|
| 2.95M | 2.95 mi | 2.95 mi | 963 | 688 | 158 | 963(Top 36%) | 688(Top 49%) | 158(Top 49%) |
| 5M | 5.00 mi | 2.05 mi | 822+141 | 599+89 | 135+23 | 666(Top 25%) | 495(Top 35%) | 116(Top 36%) |
| 10.9M | 10.90 mi | 5.90 mi | 701+121 | 516+83 | 118+17 | 625(Top 23%) | 465(Top 33%) | 101(Top 31%) |
| Finish | 13.11 mi | 2.21 mi | 627+74 | 467+49 | 108+10 | 443(Top 17%) | 335(Top 24%) | 74(Top 23%) |
Segment Performance Analysis
Start → 2.95M
0.0 - 3.0 mi
Overall
963
Males
688
M25-29
160
2.95M→5M
3.0 - 5.0 mi
Overall
666
Males
495
M25-29
117
5M→10.9M
5.0 - 10.9 mi
Overall
625
Males
465
M25-29
101
10.9M→Finish
10.9 - 13.1 mi
Overall
443
Males
335
M25-29
74
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.95M | - | - | - | - | #963 |
| 2.95M → 5M | 142* | 1 | +141 | #963 | #822 |
| 5M → 10.9M | 125* | 4 | +121 | #822 | #701 |
| 10.9M → Finish | 77* | 3 | +74 | #701 | #627 |
| TOTALS | 344* | 8 | +336 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔥Passing Intensity
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Explore more race data and athlete comparisons
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
The San Francisco Marathon
