Mardi Jackson
Mill Valley, CA
Bib: 19809 F 58

⏱️ Race Timeline
The Course
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A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:07:25 | 21:40 | 11:58 | 21:40 | 11:58 | - |
5.34M | 5.34 mi | 07:54:09 | 1:08:24 | 12:49 | 46:44 | 13:14 | +1:16 |
6.15M | 6.15 mi | 08:06:03 | 1:20:18 | 13:03 | 11:54 | 14:42 | +1:28 |
10.54M | 10.54 mi | 09:06:36 | 2:20:51 | 13:22 | 1:00:33 | 13:48 | -0:54 |
11.05M | 11.05 mi | 09:16:09 | 2:30:24 | 13:37 | 9:33 | 18:43 | +4:55 |
Finish | 13.11 mi | 09:44:01 | 2:58:16 | 13:36 | 27:52 | 13:32 | -5:11 |
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
11:58 /mi
Average Pace
13:36 /mi
Slowest Pace
18:43 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
21:40
12% of race
Time at Steady Pace
2:27:03
82% of race
Time at Slower Pace
9:33
5% of race
Average Pace: 13:36 /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 |
|---|---|---|---|---|---|---|---|---|
1.81M | 1.81 mi | 07:07:25 | 21:40 | 11:58 | 21:40 | 11:58 | #6532 | |
5.34M | 5.34 mi | 07:54:09 | 1:08:24 | 12:49 | 46:44 | 13:14 | #6676 | |
6.15M | 6.15 mi | 08:06:03 | 1:20:18 | 13:03 | 11:54 | 14:42 | #6686 | |
10.54M | 10.54 mi | 09:06:36 | 2:20:51 | 13:22 | 1:00:33 | 13:48 | #6657 | |
11.05M | 11.05 mi | 09:16:09 | 2:30:24 | 13:37 | 9:33 | 18:43 | #6639 | |
Finish | 13.11 mi | 09:44:01 | 2:58:16 | 13:36 | 27:52 | 13:32 | #6557 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F55-59 | Seg. Overall | Seg. Females | Seg. F55-59 |
|---|---|---|---|---|---|---|---|---|
| 1.81M | 1.81 mi | 1.81 mi | 6532 | 2767 | 95 | 6532(Top 92%) | 2767(Top 89%) | 95(Top 76%) |
| 5.34M | 5.34 mi | 3.53 mi | 6676-144 | 2840-73 | 103-8 | 6713(Top 95%) | 2853(Top 92%) | 103(Top 82%) |
| 6.15M | 6.15 mi | 0.81 mi | 6686-10 | 2845-5 | 102+1 | 6746(Top 95%) | 2902(Top 93%) | 108(Top 86%) |
| 10.54M | 10.54 mi | 4.39 mi | 6657+29 | 2832+13 | 106-4 | 6553(Top 92%) | 2799(Top 90%) | 102(Top 82%) |
| 11.05M | 11.05 mi | 0.51 mi | 6639+18 | 2821+11 | 105+1 | 6159(Top 87%) | 2566(Top 83%) | 83(Top 66%) |
| Finish | 13.11 mi | 2.06 mi | 6557+82 | 2779+42 | 100+5 | 6009(Top 85%) | 2558(Top 82%) | 82(Top 66%) |
Segment Performance Analysis
Start → 1.81M
0.0 - 1.8 mi
Overall
6532
Females
2767
F55-59
95
1.81M→5.34M
1.8 - 5.3 mi
Overall
6713
Females
2853
F55-59
103
5.34M→6.15M
5.3 - 6.2 mi
Overall
6746
Females
2902
F55-59
109
6.15M→10.54M
6.2 - 10.5 mi
Overall
6553
Females
2799
F55-59
102
10.54M→11.05M
10.5 - 11.1 mi
Overall
6159
Females
2566
F55-59
83
11.05M→Finish
11.1 - 13.1 mi
Overall
6009
Females
2558
F55-59
82
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.81M | - | - | - | - | #6532 |
| 1.81M → 5.34M | 62* | 206 | -144 | #6532 | #6676 |
| 5.34M → 6.15M | 22 | 32 | -10 | #6676 | #6686 |
| 6.15M → 10.54M | 83* | 54 | +29 | #6686 | #6657 |
| 10.54M → 11.05M | 23 | 5 | +18 | #6657 | #6639 |
| 11.05M → Finish | 89* | 7 | +82 | #6639 | #6557 |
| TOTALS | 279* | 304 | -25 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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