Erin Grassi
Bib: 4413 β’F β’Age: 34
San Diego, CA

Race Timeline and Course Information
Your journey through the course with elevation, pacing, and checkpoint details
β±οΈ Race Timeline
Watch your race unfold from start to finish
Splits & Pacing
Detailed breakdown of your race performance at each timing point
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:38:36 | 30:40 | 9:53 | 30:40 | 9:53 | - |
10K | 6.21 mi | 08:07:35 | 59:39 | 9:36 | 28:59 | 9:20 | -0:33 |
15K | 9.32 mi | 08:36:28 | 1:28:32 | 9:30 | 28:53 | 9:18 | -0:02 |
Half | 13.10 mi | 09:13:40 | 2:05:44 | 9:37 | 37:12 | 9:52 | +0:34 |
25K | 15.53 mi | 09:40:29 | 2:32:33 | 9:50 | 26:49 | 11:01 | +1:09 |
30K | 18.64 mi | 10:15:20 | 3:07:24 | 10:04 | 34:51 | 11:14 | +0:13 |
35K | 21.75 mi | 10:56:24 | 3:48:28 | 10:31 | 41:04 | 13:14 | +2:00 |
40K | 24.85 mi | 11:32:11 | 4:24:15 | 10:38 | 35:47 | 11:32 | -1:42 |
Finish | 26.22 mi | 11:45:50 | 4:37:54 | 10:37 | 13:39 | 10:01 | -1:31 |
Checkpoint Splits Visualizations
Explore your race data through different visual perspectives. Scroll to discover each visualization.
πPace 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
9:18 /mi
Average Pace
10:36 /mi
Slowest Pace
13:14 /mi
πSegments
Segment Time Comparison
Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.
Time at Faster Pace
57:52
21% of race
Time at Steady Pace
1:21:31
29% of race
Time at Slower Pace
2:18:31
50% of race
Average Pace: 10:36 /mi
π¨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
β¨Sparklines
Checkpoint Splits with Pace Trends
Enhanced split table showing pace trends through mini sparkline visualizations.
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:38:36 | 30:40 | 9:53 | 30:40 | 9:53 | #5671 | |
10K | 6.21 mi | 08:07:35 | 59:39 | 9:36 | 28:59 | 9:20 | #5419 | |
15K | 9.32 mi | 08:36:28 | 1:28:32 | 9:30 | 28:53 | 9:18 | #5157 | |
Half | 13.10 mi | 09:13:40 | 2:05:44 | 9:37 | 37:12 | 9:52 | #5141 | |
25K | 15.53 mi | 09:40:29 | 2:32:33 | 9:50 | 26:49 | 11:01 | #5239 | |
30K | 18.64 mi | 10:15:20 | 3:07:24 | 10:04 | 34:51 | 11:14 | #5287 | |
35K | 21.75 mi | 10:56:24 | 3:48:28 | 10:31 | 41:04 | 13:14 | #5502 | |
40K | 24.85 mi | 11:32:11 | 4:24:15 | 10:38 | 35:47 | 11:32 | #5414 | |
Finish | 26.22 mi | 11:45:50 | 4:37:54 | 10:37 | 13:39 | 10:01 | #5342 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 5671 | 2190 | 410 | 4686(Top 63%) | 1711(Top 53%) | 355(Top 66%) |
| 10K | 6.21 mi | 3.10 mi | 5419+252 | 2073+117 | 398+12 | 5192(Top 70%) | 1957(Top 60%) | 384(Top 72%) |
| 15K | 9.32 mi | 3.11 mi | 5157+262 | 1939+134 | 382+16 | 4686(Top 63%) | 1711(Top 53%) | 355(Top 66%) |
| Half | 13.10 mi | 3.78 mi | 5141+16 | 1939 | 380+2 | 5132(Top 69%) | 1941(Top 60%) | 380(Top 71%) |
| 25K | 15.53 mi | 2.43 mi | 5239-98 | 1986-47 | 385-5 | 5687(Top 76%) | 2247(Top 69%) | 416(Top 78%) |
| 30K | 18.64 mi | 3.11 mi | 5287-48 | 2041-55 | 391-6 | 5501(Top 74%) | 2192(Top 67%) | 413(Top 77%) |
| 35K | 21.75 mi | 3.11 mi | 5502-215 | 2158-117 | 406-15 | 6250(Top 84%) | 2613(Top 80%) | 474(Top 89%) |
| 40K | 24.85 mi | 3.10 mi | 5414+88 | 2140+18 | 406 | 5007(Top 67%) | 2088(Top 64%) | 403(Top 75%) |
| Finish | 26.22 mi | 1.37 mi | 5342+72 | 2113+27 | 406 | 4197(Top 56%) | 1685(Top 52%) | 367(Top 69%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
4686
Females
1711
F30-34
355
5Kβ10K
3.1 - 6.2 mi
Overall
5192
Females
1957
F30-34
384
10Kβ15K
6.2 - 9.3 mi
Overall
4686
Females
1711
F30-34
355
15KβHalf
9.3 - 13.1 mi
Overall
5132
Females
1941
F30-34
380
Halfβ25K
13.1 - 15.5 mi
Overall
5687
Females
2247
F30-34
416
25Kβ30K
15.5 - 18.6 mi
Overall
5501
Females
2192
F30-34
413
30Kβ35K
18.6 - 21.8 mi
Overall
6250
Females
2613
F30-34
474
35Kβ40K
21.8 - 24.9 mi
Overall
5007
Females
2088
F30-34
403
40KβFinish
24.9 - 26.2 mi
Overall
4197
Females
1685
F30-34
367
Passing
Athletes you passed and who passed you throughout the race
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start β 5K | - | - | - | - | #5671 |
| 5K β 10K | 262* | 10 | +252 | #5671 | #5419 |
| 10K β 15K | 263* | 1 | +262 | #5419 | #5157 |
| 15K β Half | 67 | 51 | +16 | #5157 | #5141 |
| Half β 25K | 20 | 118 | -98 | #5141 | #5239 |
| 25K β 30K | 45 | 93 | -48 | #5239 | #5287 |
| 30K β 35K | 12 | 200 | -215 | #5287 | #5502 |
| 35K β 40K | 104 | 16 | +88 | #5502 | #5414 |
| 40K β Finish | 74 | 2 | +72 | #5414 | #5342 |
| TOTALS | 847* | 491 | +329 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Analysis Visualizations
Explore your passing analysis through 5 different visualizations. Scroll to discover each one.
πPosition Graph
π¨Heatmap Timeline
πPassing Circle
πPosition Flow
πRace Lanes
Qualifying & Age Grade
See how your performance stacks up against qualifying standards
Boston Qualifying analysis available
NYC Marathon Qualifying analysis available
Finisher Certificate
Download and share your official race completion certificate
Your certificate is generated on-demand and can be shared on social media or saved for your records
Activity Data
Upload your GPX file to see detailed activity metrics
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export & Support
Download your data, get help, and share your feedback
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


