Jonathan Blair
Bib: 4514 β’M β’Age: 46
Chicago, IL

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 | 07:46:12 | 33:56 | 10:56 | 33:56 | 10:56 | - |
10K | 6.21 mi | 08:20:11 | 1:07:55 | 10:56 | 33:59 | 10:57 | +0:01 |
15K | 9.32 mi | 08:57:06 | 1:44:50 | 11:15 | 36:55 | 11:53 | +0:56 |
20K | 12.43 mi | 09:31:01 | 2:18:45 | 11:10 | 33:55 | 10:56 | -0:57 |
Half | 13.10 mi | 09:38:13 | 2:25:57 | 11:09 | 7:12 | 10:46 | -0:10 |
25K | 15.53 mi | 10:06:29 | 2:54:13 | 11:13 | 28:16 | 11:36 | +0:50 |
30K | 18.64 mi | 10:43:53 | 3:31:37 | 11:22 | 37:24 | 12:03 | +0:27 |
35K | 21.75 mi | 11:25:26 | 4:13:10 | 11:39 | 41:33 | 13:23 | +1:20 |
40K | 24.85 mi | 12:10:29 | 4:58:13 | 12:00 | 45:03 | 14:31 | +1:08 |
Finish | 26.22 mi | 12:30:31 | 5:18:15 | 12:09 | 20:02 | 14:42 | +0:11 |
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
10:46 /mi
Average Pace
12:09 /mi
Slowest Pace
14:42 /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
1:49:02
34% of race
Time at Steady Pace
1:42:35
32% of race
Time at Slower Pace
1:46:38
34% of race
Average Pace: 12:08 /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 | 07:46:12 | 33:56 | 10:56 | 33:56 | 10:56 | #7572 | |
10K | 6.21 mi | 08:20:11 | 1:07:55 | 10:56 | 33:59 | 10:57 | #7634 | |
15K | 9.32 mi | 08:57:06 | 1:44:50 | 11:15 | 36:55 | 11:53 | #7726 | |
20K | 12.43 mi | 09:31:01 | 2:18:45 | 11:10 | 33:55 | 10:56 | #7630 | |
Half | 13.10 mi | 09:38:13 | 2:25:57 | 11:09 | 7:12 | 10:46 | #7619 | |
25K | 15.53 mi | 10:06:29 | 2:54:13 | 11:13 | 28:16 | 11:36 | #7560 | |
30K | 18.64 mi | 10:43:53 | 3:31:37 | 11:22 | 37:24 | 12:03 | #7533 | |
35K | 21.75 mi | 11:25:26 | 4:13:10 | 11:39 | 41:33 | 13:23 | #7549 | |
40K | 24.85 mi | 12:10:29 | 4:58:13 | 12:00 | 45:03 | 14:31 | #7625 | |
Finish | 26.22 mi | 12:30:31 | 5:18:15 | 12:09 | 20:02 | 14:42 | #7701 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M45-49 | Seg. Overall | Seg. Males | Seg. M45-49 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 7572 | 4913 | 494 | 7871(Top 94%) | 5040(Top 96%) | 508(Top 96%) |
| 10K | 6.21 mi | 3.10 mi | 7634-62 | 4946-33 | 499-5 | 7655(Top 91%) | 4953(Top 94%) | 499(Top 94%) |
| 15K | 9.32 mi | 3.11 mi | 7726-92 | 4990-44 | 506-7 | 7871(Top 94%) | 5040(Top 96%) | 508(Top 96%) |
| 20K | 12.43 mi | 3.11 mi | 7630+96 | 4942+48 | 498+8 | 7241(Top 87%) | 4747(Top 90%) | 472(Top 89%) |
| Half | 13.10 mi | 0.67 mi | 7619+11 | 4935+7 | 495+3 | 7389(Top 88%) | 4813(Top 92%) | 477(Top 90%) |
| 25K | 15.53 mi | 2.43 mi | 7560+59 | 4903+32 | 492+3 | 7359(Top 88%) | 4760(Top 91%) | 476(Top 90%) |
| 30K | 18.64 mi | 3.11 mi | 7533+27 | 4870+33 | 490+2 | 7385(Top 88%) | 4745(Top 90%) | 474(Top 90%) |
| 35K | 21.75 mi | 3.11 mi | 7549-16 | 4862+8 | 488+2 | 7543(Top 90%) | 4791(Top 91%) | 472(Top 89%) |
| 40K | 24.85 mi | 3.10 mi | 7625-76 | 4889-27 | 489-1 | 7978(Top 95%) | 5007(Top 95%) | 508(Top 96%) |
| Finish | 26.22 mi | 1.37 mi | 7701-76 | 4920-31 | 490-1 | 8184(Top 98%) | 5142(Top 98%) | 519(Top 98%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
7871
Males
5040
M45-49
508
5Kβ10K
3.1 - 6.2 mi
Overall
7655
Males
4953
M45-49
499
10Kβ15K
6.2 - 9.3 mi
Overall
7871
Males
5040
M45-49
508
15Kβ20K
9.3 - 12.4 mi
Overall
7241
Males
4747
M45-49
472
20KβHalf
12.4 - 13.1 mi
Overall
7389
Males
4813
M45-49
477
Halfβ25K
13.1 - 15.5 mi
Overall
7359
Males
4760
M45-49
476
25Kβ30K
15.5 - 18.6 mi
Overall
7385
Males
4745
M45-49
474
30Kβ35K
18.6 - 21.8 mi
Overall
7543
Males
4791
M45-49
472
35Kβ40K
21.8 - 24.9 mi
Overall
7978
Males
5007
M45-49
508
40KβFinish
24.9 - 26.2 mi
Overall
8184
Males
5142
M45-49
519
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 | - | - | - | - | #7572 |
| 5K β 10K | 24 | 86 | -62 | #7572 | #7634 |
| 10K β 15K | 17 | 109 | -92 | #7634 | #7726 |
| 15K β 20K | 97 | 1 | +96 | #7726 | #7630 |
| 20K β Half | 14 | 3 | +11 | #7630 | #7619 |
| Half β 25K | 80 | 21 | +59 | #7619 | #7560 |
| 25K β 30K | 58 | 31 | +27 | #7560 | #7533 |
| 30K β 35K | 31 | 47 | -16 | #7533 | #7549 |
| 35K β 40K | 17 | 93 | -76 | #7549 | #7625 |
| 40K β Finish | 1 | 77 | -76 | #7625 | #7701 |
| TOTALS | 339 | 468 | -129 |
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
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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?
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