Nathan Grotberg
Bib: 8350 •M •Age: 20
Redding, CA

Race Timeline and Course Information
Your journey through the course with elevation, pacing, and checkpoint details
⏱️ 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 | 07:26:15 | 23:06 | 7:26 | 23:06 | 7:26 | - |
10K | 6.21 mi | 07:48:58 | 45:49 | 7:23 | 22:43 | 7:19 | -0:07 |
15K | 9.32 mi | 08:12:16 | 1:09:07 | 7:25 | 23:17 | 7:30 | +0:11 |
20K | 12.43 mi | 08:35:35 | 1:32:26 | 7:27 | 23:20 | 7:31 | +0:01 |
Half | 13.10 mi | 08:40:34 | 1:37:25 | 7:27 | 4:59 | 7:26 | -0:05 |
25K | 15.53 mi | 08:58:45 | 1:55:35 | 7:27 | 18:11 | 7:28 | +0:02 |
30K | 18.64 mi | 09:23:15 | 2:20:05 | 7:31 | 24:30 | 7:54 | +0:26 |
35K | 21.75 mi | 09:48:40 | 2:45:31 | 7:37 | 25:25 | 8:11 | +0:17 |
40K | 24.85 mi | 10:14:21 | 3:11:12 | 7:42 | 25:41 | 8:17 | +0:06 |
Finish | 26.22 mi | 10:25:41 | 3:22:32 | 7:44 | 11:20 | 8:19 | +0:02 |
Checkpoint Splits Visualizations
Explore your race data through different visual perspectives. Scroll to discover each visualization.
📈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
7:19 /mi
Average Pace
7:44 /mi
Slowest Pace
8:19 /mi
📊Segments
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
2:20:05
69% of race
Time at Steady Pace
1:02:26
31% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 7:43 /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
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 | 07:26:15 | 23:06 | 7:26 | 23:06 | 7:26 | #2461 | |
10K | 6.21 mi | 07:48:58 | 45:49 | 7:23 | 22:43 | 7:19 | #2460 | |
15K | 9.32 mi | 08:12:16 | 1:09:07 | 7:25 | 23:17 | 7:30 | #2461 | |
20K | 12.43 mi | 08:35:35 | 1:32:26 | 7:27 | 23:20 | 7:31 | #2484 | |
Half | 13.10 mi | 08:40:34 | 1:37:25 | 7:27 | 4:59 | 7:26 | #2488 | |
25K | 15.53 mi | 08:58:45 | 1:55:35 | 7:27 | 18:11 | 7:28 | #2490 | |
30K | 18.64 mi | 09:23:15 | 2:20:05 | 7:31 | 24:30 | 7:54 | #2557 | |
35K | 21.75 mi | 09:48:40 | 2:45:31 | 7:37 | 25:25 | 8:11 | #2641 | |
40K | 24.85 mi | 10:14:21 | 3:11:12 | 7:42 | 25:41 | 8:17 | #2681 | |
Finish | 26.22 mi | 10:25:41 | 3:22:32 | 7:44 | 11:20 | 8:19 | #2728 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M20-24 | Seg. Overall | Seg. Males | Seg. M20-24 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 2461 | 1966 | 102 | 2496(Top 31%) | 1974(Top 39%) | 102(Top 53%) |
| 10K | 6.21 mi | 3.10 mi | 2460+1 | 1966 | 102 | 2469(Top 30%) | 1964(Top 38%) | 100(Top 52%) |
| 15K | 9.32 mi | 3.11 mi | 2461-1 | 1958+8 | 100+2 | 2496(Top 31%) | 1974(Top 39%) | 102(Top 53%) |
| 20K | 12.43 mi | 3.11 mi | 2484-23 | 1967-9 | 101-1 | 2564(Top 31%) | 2027(Top 40%) | 102(Top 53%) |
| Half | 13.10 mi | 0.67 mi | 2488-4 | 1970-3 | 101 | 2493(Top 31%) | 1963(Top 38%) | 99(Top 51%) |
| 25K | 15.53 mi | 2.43 mi | 2490-2 | 1971-1 | 100+1 | 2499(Top 31%) | 1962(Top 38%) | 94(Top 48%) |
| 30K | 18.64 mi | 3.11 mi | 2557-67 | 2017-46 | 102-2 | 3061(Top 37%) | 2296(Top 45%) | 104(Top 54%) |
| 35K | 21.75 mi | 3.11 mi | 2641-84 | 2053-36 | 101+1 | 3235(Top 40%) | 2364(Top 46%) | 103(Top 53%) |
| 40K | 24.85 mi | 3.10 mi | 2681-40 | 2064-11 | 100+1 | 3249(Top 40%) | 2323(Top 45%) | 101(Top 52%) |
| Finish | 26.22 mi | 1.37 mi | 2728-47 | 2081-17 | 100 | 3668(Top 45%) | 2550(Top 50%) | 113(Top 58%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
2496
Males
1974
M20-24
102
5K→10K
3.1 - 6.2 mi
Overall
2469
Males
1964
M20-24
100
10K→15K
6.2 - 9.3 mi
Overall
2496
Males
1974
M20-24
102
15K→20K
9.3 - 12.4 mi
Overall
2564
Males
2027
M20-24
102
20K→Half
12.4 - 13.1 mi
Overall
2493
Males
1963
M20-24
99
Half→25K
13.1 - 15.5 mi
Overall
2499
Males
1962
M20-24
94
25K→30K
15.5 - 18.6 mi
Overall
3061
Males
2296
M20-24
104
30K→35K
18.6 - 21.8 mi
Overall
3235
Males
2364
M20-24
103
35K→40K
21.8 - 24.9 mi
Overall
3249
Males
2323
M20-24
101
40K→Finish
24.9 - 26.2 mi
Overall
3668
Males
2550
M20-24
113
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 → 5K | - | - | - | - | #2461 |
| 5K → 10K | 34 | 33 | +1 | #2461 | #2460 |
| 10K → 15K | 23 | 24 | -1 | #2460 | #2461 |
| 15K → 20K | 8 | 31 | -23 | #2461 | #2484 |
| 20K → Half | 2 | 6 | -4 | #2484 | #2488 |
| Half → 25K | 28 | 30 | -2 | #2488 | #2490 |
| 25K → 30K | 20 | 87 | -67 | #2490 | #2557 |
| 30K → 35K | 29 | 113 | -84 | #2557 | #2641 |
| 35K → 40K | 38 | 78 | -40 | #2641 | #2681 |
| 40K → Finish | 11 | 58 | -47 | #2681 | #2728 |
| TOTALS | 193 | 460 | -267 |
Passing Analysis Visualizations
Explore your passing analysis through 5 different visualizations. Scroll to discover each one.
📈Position Graph
🎨Heatmap Timeline
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Qualifying & Age Grade
See how your performance stacks up against qualifying standards
Boston Qualifying analysis available
NYC Marathon Qualifying analysis available
Olympic Trials 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
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Export & Support
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Export Track Data
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Questions or issues regarding timing data?
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