Janet Song
Bib: 8177•F•Age: 42
El Cerrito, 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 |
|---|---|---|---|---|---|---|---|
1.81 Miles | 1.81 mi | 05:53:58 | 18:00 | 9:57 | 18:00 | 9:57 | - |
5.55 Miles | 5.55 mi | 06:31:43 | 55:45 | 10:03 | 37:45 | 10:06 | +0:09 |
6.52 Miles | 6.52 mi | 06:41:52 | 1:05:54 | 10:06 | 10:09 | 10:28 | +0:22 |
10.87 Miles | 10.87 mi | 07:24:44 | 1:48:46 | 10:00 | 42:52 | 9:51 | -0:37 |
Garmin Hill Challenge | 11.38 mi | 07:30:39 | 1:54:41 | 10:05 | 5:55 | 11:37 | +1:46 |
14.95 Miles | 14.95 mi | 08:03:30 | 2:27:32 | 9:52 | 32:51 | 9:12 | -2:25 |
18 Miles | 18.00 mi | 08:37:20 | 3:01:22 | 10:05 | 33:50 | 11:06 | +1:54 |
25 Miles | 25.00 mi | 10:04:12 | 4:28:14 | 10:44 | 1:26:52 | 12:25 | +1:19 |
Finish | 26.22 mi | 10:20:36 | 4:44:38 | 10:52 | 16:24 | 13:28 | +1:03 |
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
9:12 /mi
Average Pace
10:52 /mi
Slowest Pace
13:28 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
32:51
12% of race
Time at Steady Pace
2:22:36
50% of race
Time at Slower Pace
1:49:11
38% of race
Average Pace: 10:51 /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 |
|---|---|---|---|---|---|---|---|---|
1.81 Miles | 1.81 mi | 05:53:58 | 18:00 | 9:57 | 18:00 | 9:57 | #4240 | |
5.55 Miles | 5.55 mi | 06:31:43 | 55:45 | 10:03 | 37:45 | 10:06 | #4145 | |
6.52 Miles | 6.52 mi | 06:41:52 | 1:05:54 | 10:06 | 10:09 | 10:28 | #4046 | |
10.87 Miles | 10.87 mi | 07:24:44 | 1:48:46 | 10:00 | 42:52 | 9:51 | #3734 | |
Garmin Hill Challenge | 11.38 mi | 07:30:39 | 1:54:41 | 10:05 | 5:55 | 11:37 | #3644 | |
14.95 Miles | 14.95 mi | 08:03:30 | 2:27:32 | 9:52 | 32:51 | 9:12 | #3646 | |
18 Miles | 18.00 mi | 08:37:20 | 3:01:22 | 10:05 | 33:50 | 11:06 | #3439 | |
25 Miles | 25.00 mi | 10:04:12 | 4:28:14 | 10:44 | 1:26:52 | 12:25 | #3943 | |
Finish | 26.22 mi | 10:20:36 | 4:44:38 | 10:52 | 16:24 | 13:28 | #4057 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F40-44 | Seg. Overall | Seg. Females | Seg. F40-44 |
|---|---|---|---|---|---|---|---|---|
| 1.81 Miles | 1.81 mi | 1.81 mi | 4240 | 938 | 68 | 4240(Top 65%) | 938(Top 50%) | 68(Top 44%) |
| 5.55 Miles | 5.55 mi | 3.74 mi | 4145+95 | 899+39 | 65+3 | 4115(Top 63%) | 887(Top 47%) | 63(Top 41%) |
| 6.52 Miles | 6.52 mi | 0.97 mi | 4046+99 | 863+36 | 62+3 | 3769(Top 58%) | 762(Top 41%) | 54(Top 35%) |
| 10.87 Miles | 10.87 mi | 4.35 mi | 3734+312 | 766+97 | 57+5 | 3386(Top 52%) | 654(Top 35%) | 44(Top 28%) |
| Garmin Hill Challenge | 11.38 mi | 0.51 mi | 3644+90 | 731+35 | 52+5 | 2788(Top 43%) | 471(Top 25%) | 23(Top 15%) |
| 14.95 Miles | 14.95 mi | 3.57 mi | 3646-2 | 738-7 | 53-1 | 3788(Top 58%) | 791(Top 42%) | 53(Top 34%) |
| 18 Miles | 18.00 mi | 3.05 mi | 3439+207 | 687+51 | 48+5 | 2929(Top 45%) | 559(Top 30%) | 36(Top 23%) |
| 25 Miles | 25.00 mi | 7.00 mi | 3943-504 | 884-197 | 61-13 | 4725(Top 72%) | 1261(Top 67%) | 94(Top 61%) |
| Finish | 26.22 mi | 1.22 mi | 4057-114 | 928-44 | 65-4 | 5519(Top 84%) | 1558(Top 83%) | 115(Top 74%) |
Segment Performance Analysis
Start → 1.81 Miles
0.0 - 1.8 mi
Overall
4240
Females
938
F40-44
68
1.81 Miles→5.55 Miles
1.8 - 5.5 mi
Overall
4115
Females
887
F40-44
63
5.55 Miles→6.52 Miles
5.5 - 6.5 mi
Overall
3769
Females
762
F40-44
54
6.52 Miles→10.87 Miles
6.5 - 10.9 mi
Overall
3386
Females
654
F40-44
44
10.87 Miles→Garmin Hill Challenge
10.9 - 11.4 mi
Overall
2788
Females
471
F40-44
23
Garmin Hill Challenge→14.95 Miles
11.4 - 14.9 mi
Overall
3788
Females
791
F40-44
53
14.95 Miles→18 Miles
14.9 - 18.0 mi
Overall
2929
Females
559
F40-44
36
18 Miles→25 Miles
18.0 - 25.0 mi
Overall
4725
Females
1261
F40-44
94
25 Miles→Finish
25.0 - 26.2 mi
Overall
5519
Females
1558
F40-44
115
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81 Miles | - | - | - | - | #4240 |
| 1.81 Miles → 5.55 Miles | 255 | 160 | +95 | #4240 | #4145 |
| 5.55 Miles → 6.52 Miles | 112 | 13 | +99 | #4145 | #4046 |
| 6.52 Miles → 10.87 Miles | 330* | 18 | +312 | #4046 | #3734 |
| 10.87 Miles → Garmin Hill Challenge | 98 | 8 | +90 | #3734 | #3644 |
| Garmin Hill Challenge → 14.95 Miles | 72* | 74 | -2 | #3644 | #3646 |
| 14.95 Miles → 18 Miles | 227* | 20 | +207 | #3646 | #3439 |
| 18 Miles → 25 Miles | 65* | 569 | -504 | #3439 | #3943 |
| 25 Miles → Finish | 3* | 117 | -114 | #3943 | #4057 |
| TOTALS | 1162* | 979 | +183 |
* 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
