Jennifer Costan
Rocklin, CA
Bib: 10562 F 38
Race Timeline
The Course
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.2M | 2.20 mi | 06:49:58 | 17:22 | 7:54 | 17:22 | 7:54 | - |
5.7M | 5.70 mi | 07:22:01 | 49:25 | 8:40 | 32:03 | 9:09 | +1:15 |
6.43M | 6.43 mi | 07:30:51 | 58:15 | 9:04 | 8:50 | 12:06 | +2:57 |
8.3M | 8.30 mi | 07:44:00 | 1:11:24 | 8:36 | 13:09 | 7:02 | -5:04 |
11.45M | 11.45 mi | 08:12:46 | 1:40:10 | 8:45 | 28:46 | 9:08 | +2:06 |
FINISH | 13.11 mi | 08:28:22 | 1:55:46 | 8:50 | 15:36 | 9:24 | +0:16 |
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
7:02 /mi
Average Pace
8:50 /mi
Slowest Pace
12:06 /mi
Segments
Segment Time Comparison
Time at Faster Pace
30:31
26% of race
Time at Steady Pace
1:16:25
66% of race
Time at Slower Pace
8:50
8% of race
Average Pace: 8:50 /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 |
|---|---|---|---|---|---|---|---|---|
2.2M | 2.20 mi | 06:49:58 | 17:22 | 7:54 | 17:22 | 7:54 | #1267 | |
5.7M | 5.70 mi | 07:22:01 | 49:25 | 8:40 | 32:03 | 9:09 | #911 | |
6.43M | 6.43 mi | 07:30:51 | 58:15 | 9:04 | 8:50 | 12:06 | #879 | |
8.3M | 8.30 mi | 07:44:00 | 1:11:24 | 8:36 | 13:09 | 7:02 | #833 | |
11.45M | 11.45 mi | 08:12:46 | 1:40:10 | 8:45 | 28:46 | 9:08 | #794 | |
FINISH | 13.11 mi | 08:28:22 | 1:55:46 | 8:50 | 15:36 | 9:24 | #767 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F35-39 | Seg. Overall | Seg. Females | Seg. F35-39 |
|---|---|---|---|---|---|---|---|---|
| 2.2M | 2.20 mi | 2.20 mi | 1267 | 392 | 45 | 1267 | 392 | 45 |
| 5.7M | 5.70 mi | 3.50 mi | 911+356 | 231+161 | 22+23 | 795 | 187 | 16 |
| 6.43M | 6.43 mi | 0.73 mi | 879+32 | 212+19 | 19+3 | 736 | 165 | 13 |
| 8.3M | 8.30 mi | 1.87 mi | 833+46 | 195+17 | 16+3 | 703 | 160 | 13 |
| 11.45M | 11.45 mi | 3.15 mi | 794+39 | 187+8 | 15+1 | 782 | 191 | 17 |
| FINISH | 13.11 mi | 1.66 mi | 767+27 | 181+6 | 15 | 777 | 204 | 19 |
Segment Performance Analysis
Start → 2.2M
0.0 - 2.2 mi
Overall
1267
Females
392
F35-39
45
2.2M→5.7M
2.2 - 5.7 mi
Overall
795
Females
187
F35-39
16
5.7M→6.43M
5.7 - 6.4 mi
Overall
736
Females
165
F35-39
13
6.43M→8.3M
6.4 - 8.3 mi
Overall
703
Females
160
F35-39
13
8.3M→11.45M
8.3 - 11.4 mi
Overall
782
Females
191
F35-39
17
11.45M→FINISH
11.4 - 13.1 mi
Overall
777
Females
204
F35-39
19
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.2M | - | - | - | - | #1267 |
| 2.2M → 5.7M | 374 | 18 | +356 | #1267 | #911 |
| 5.7M → 6.43M | 41 | 9 | +32 | #911 | #879 |
| 6.43M → 8.3M | 55 | 9 | +46 | #879 | #833 |
| 8.3M → 11.45M | 59* | 20 | +39 | #833 | #794 |
| 11.45M → FINISH | 38* | 11 | +27 | #794 | #767 |
| TOTALS | 567* | 67 | +500 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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Race managed by
The San Francisco Marathon
