Alys Chang
Santa Clara, CA
Bib: 17764 F 25
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
1.81M | 22:28 | 12:25 | 1.81 mi | 22:28 | 12:25 | - | |
5.34M | 1:07:55 | 12:43 | 3.53 mi | 45:27 | 12:53 | +0:28 | |
6.15M | 1:18:41 | 12:48 | 0.81 mi | 10:46 | 13:18 | +0:25 | |
10.54M | 2:16:33 | 12:57 | 4.39 mi | 57:52 | 13:11 | -0:07 | |
11.05M | 2:25:53 | 13:12 | 0.51 mi | 9:20 | 18:18 | +5:07 | |
Finish(13.11 mi) | 2:53:49 | 13:16 | 2.06 mi | 27:56 | 13:34 | -4:44 |
Checkpoints & Pacing
Pace Line
Fastest Pace
12:25 /mi
Average Pace
13:16 /mi
Slowest Pace
18:18 /mi
Segments
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
2:44:29
95% of race
Time at Slower Pace
9:20
5% of race
Average Pace: 13:15 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 6751 | 2900 | 725 | 6751 | 2900 | 725 |
| 5.34M | 3.53 mi | 6632+119 | 2809+91 | 719+6 | 6577 | 2768 | 711 |
| 6.15M | 0.81 mi | 6583+49 | 2780+29 | 714+5 | 6212 | 2561 | 664 |
| 10.54M | 4.39 mi | 6488+95 | 2737+43 | 705+9 | 6260 | 2625 | 684 |
| 11.05M | 0.51 mi | 6458+30 | 2718+19 | 703+2 | 5932 | 2446 | 644 |
| Finish(13.11 mi) | 2.06 mi | 6395+63 | 2688+30 | 700+3 | 6025 | 2569 | 681 |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
6751
Females
2900
F25-29
726
1.81M→5.34M
1.8 - 5.3 mi
Overall
6577
Females
2768
F25-29
712
5.34M→6.15M
5.3 - 6.2 mi
Overall
6212
Females
2561
F25-29
665
6.15M→10.54M
6.2 - 10.5 mi
Overall
6260
Females
2625
F25-29
685
10.54M→11.05M
10.5 - 11.1 mi
Overall
5932
Females
2446
F25-29
645
11.05M→Finish
11.1 - 13.1 mi
Overall
6025
Females
2569
F25-29
681
Passing Analysis
| Segment | Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #6751 |
| 1.81M → 5.34M | 178* | 59 | +119 | #6751 | #6632 |
| 5.34M → 6.15M | 58 | 9 | +49 | #6632 | #6583 |
| 6.15M → 10.54M | 137* | 42 | +95 | #6583 | #6488 |
| 10.54M → 11.05M | 35 | 5 | +30 | #6488 | #6458 |
| 11.05M → Finish | 89* | 26 | +63 | #6458 | #6395 |
| TOTALS | 497* | 141 | +356 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
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
Find another athlete or browse the full results
Official Timing Data
Enhanced athlete results built from official timing data.
Race managed by
The San Francisco Marathon
Race timed by
Race Place Events
