Joseph Zieff
Bib: 1284 β’M β’Age: N/A
MA

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 | 10:19:23 | 18:47 | 6:03 | 18:47 | 6:03 | - |
10K | 6.21 mi | 10:38:05 | 37:29 | 6:02 | 18:42 | 6:02 | -0:01 |
15K | 9.32 mi | 10:56:37 | 56:01 | 6:01 | 18:32 | 5:58 | -0:04 |
20K | 12.43 mi | 11:15:20 | 1:14:44 | 6:01 | 18:43 | 6:02 | +0:04 |
HALF | 13.11 mi | 11:19:28 | 1:18:52 | 6:01 | 4:08 | 6:04 | +0:02 |
25K | 15.53 mi | 11:34:20 | 1:33:44 | 6:03 | 14:52 | 6:08 | +0:04 |
30K | 18.64 mi | 11:59:16 | 1:58:40 | 6:22 | 24:56 | 8:02 | +1:54 |
20M | 20.00 mi | 12:11:14 | 2:10:38 | 6:32 | 11:58 | 8:49 | +0:47 |
21M | 21.00 mi | 12:20:08 | 2:19:32 | 6:39 | 8:54 | 8:54 | +0:05 |
35K | 21.75 mi | 12:26:45 | 2:26:09 | 6:44 | 6:37 | 8:51 | -0:03 |
23M | 23.00 mi | 12:39:19 | 2:38:43 | 6:55 | 12:34 | 10:03 | +1:12 |
24M | 24.00 mi | 12:49:44 | 2:49:08 | 7:03 | 10:25 | 10:25 | +0:22 |
40K | 24.85 mi | 12:58:52 | 2:58:16 | 7:11 | 9:08 | 10:41 | +0:16 |
25.2M | 25.20 mi | 13:02:57 | 3:02:21 | 7:15 | 4:05 | 11:51 | +1:10 |
FINISH | 26.22 mi | 13:15:12 | 3:14:36 | 7:26 | 12:15 | 12:02 | +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
5:58 /mi
Average Pace
7:26 /mi
Slowest Pace
12:02 /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
1:33:44
48% of race
Time at Steady Pace
52:25
27% of race
Time at Slower Pace
48:27
25% of race
Average Pace: 7:25 /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 | 10:19:23 | 18:47 | 6:03 | 18:47 | 6:03 | #1369 | |
10K | 6.21 mi | 10:38:05 | 37:29 | 6:02 | 18:42 | 6:02 | #1391 | |
15K | 9.32 mi | 10:56:37 | 56:01 | 6:01 | 18:32 | 5:58 | #1321 | |
20K | 12.43 mi | 11:15:20 | 1:14:44 | 6:01 | 18:43 | 6:02 | #1301 | |
HALF | 13.11 mi | 11:19:28 | 1:18:52 | 6:01 | 4:08 | 6:04 | #1319 | |
25K | 15.53 mi | 11:34:20 | 1:33:44 | 6:03 | 14:52 | 6:08 | #1356 | |
30K | 18.64 mi | 11:59:16 | 1:58:40 | 6:22 | 24:56 | 8:02 | #2797 | |
20M | 20.00 mi | 12:11:14 | 2:10:38 | 6:32 | 11:58 | 8:49 | #3689 | |
21M | 21.00 mi | 12:20:08 | 2:19:32 | 6:39 | 8:54 | 8:54 | #4277 | |
35K | 21.75 mi | 12:26:45 | 2:26:09 | 6:44 | 6:37 | 8:51 | #4848 | |
23M | 23.00 mi | 12:39:19 | 2:38:43 | 6:55 | 12:34 | 10:03 | #6338 | |
24M | 24.00 mi | 12:49:44 | 2:49:08 | 7:03 | 10:25 | 10:25 | #7284 | |
40K | 24.85 mi | 12:58:52 | 2:58:16 | 7:11 | 9:08 | 10:41 | #8138 | |
25.2M | 25.20 mi | 13:02:57 | 3:02:21 | 7:15 | 4:05 | 11:51 | #8520 | |
FINISH | 26.22 mi | 13:15:12 | 3:14:36 | 7:26 | 12:15 | 12:02 | #10086 |
Rankings
Your position at each checkpoint and how you ranked in each segment
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M18-39 | Seg. Overall | Seg. Males | Seg. M18-39 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 1369 | 1313 | 1313 | 1205(Top 4%) | 1159(Top 7%) | 1159(Top 20%) |
| 10K | 6.21 mi | 3.10 mi | 1391-22 | 1336-23 | 1336-23 | 1435(Top 5%) | 1382(Top 8%) | 1382(Top 24%) |
| 15K | 9.32 mi | 3.11 mi | 1321+70 | 1267+69 | 1267+69 | 1205(Top 4%) | 1159(Top 7%) | 1159(Top 20%) |
| 20K | 12.43 mi | 3.11 mi | 1301+20 | 1250+17 | 1250+17 | 1272(Top 4%) | 1225(Top 7%) | 1225(Top 21%) |
| HALF | 13.11 mi | 0.68 mi | 1319-18 | 1268-18 | 1268-18 | 1810(Top 6%) | 1749(Top 11%) | 1749(Top 31%) |
| 25K | 15.53 mi | 2.42 mi | 1356-37 | 1304-36 | 1304-36 | 1584(Top 5%) | 1528(Top 9%) | 1528(Top 27%) |
| 30K | 18.64 mi | 3.11 mi | 2797-1441 | 2688-1384 | 2688-1384 | 13646(Top 47%) | 9388(Top 57%) | 9388(Top 164%) |
| 20M | 20.00 mi | 1.36 mi | 3689-892 | 3507-819 | 3507-819 | 18007(Top 62%) | 11169(Top 68%) | 11169(Top 195%) |
| 21M | 21.00 mi | 1.00 mi | 4277-588 | 4013-506 | 4013-506 | 15529(Top 54%) | 10034(Top 61%) | 10034(Top 175%) |
| 35K | 21.75 mi | 0.75 mi | 4848-571 | 4489-476 | 4489-476 | 19306(Top 67%) | 11624(Top 71%) | 11624(Top 203%) |
| 23M | 23.00 mi | 1.25 mi | 6338-1490 | 5638-1149 | 5638-1149 | 22242(Top 77%) | 13025(Top 80%) | 13025(Top 228%) |
| 24M | 24.00 mi | 1.00 mi | 7284-946 | 6281-643 | 6281-643 | 23876(Top 82%) | 13772(Top 84%) | 13772(Top 241%) |
| 40K | 24.85 mi | 0.85 mi | 8138-854 | 6764-483 | 6764-483 | 23602(Top 81%) | 13587(Top 83%) | 13587(Top 237%) |
| 25.2M | 25.20 mi | 0.35 mi | 8520-382 | 6963-199 | 6963-199 | 24116(Top 83%) | 13818(Top 85%) | 13818(Top 241%) |
| FINISH | 26.22 mi | 1.02 mi | 10086-1566 | 7785-822 | 7785-822 | 27479(Top 95%) | 15520(Top 95%) | 15520(Top 271%) |
Segment Performance Analysis
10Kβ15K
0.0 - 3.1 mi
Overall
1205
Males
1159
M18-39
1159
5Kβ10K
3.1 - 6.2 mi
Overall
1435
Males
1382
M18-39
1382
10Kβ15K
6.2 - 9.3 mi
Overall
1205
Males
1159
M18-39
1159
15Kβ20K
9.3 - 12.4 mi
Overall
1272
Males
1225
M18-39
1225
20KβHALF
12.4 - 13.1 mi
Overall
1810
Males
1749
M18-39
1749
HALFβ25K
13.1 - 15.5 mi
Overall
1584
Males
1528
M18-39
1528
25Kβ30K
15.5 - 18.6 mi
Overall
13646
Males
9388
M18-39
9388
30Kβ20M
18.6 - 20.0 mi
Overall
18007
Males
11169
M18-39
11169
20Mβ21M
20.0 - 21.0 mi
Overall
15529
Males
10034
M18-39
10034
21Mβ35K
21.0 - 21.8 mi
Overall
19306
Males
11624
M18-39
11624
35Kβ23M
21.8 - 23.0 mi
Overall
22242
Males
13025
M18-39
13025
23Mβ24M
23.0 - 24.0 mi
Overall
23876
Males
13772
M18-39
13772
24Mβ40K
24.0 - 24.9 mi
Overall
23602
Males
13587
M18-39
13587
40Kβ25.2M
24.9 - 25.2 mi
Overall
24116
Males
13818
M18-39
13818
25.2MβFINISH
25.2 - 26.2 mi
Overall
27479
Males
15520
M18-39
15520
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 | - | - | - | - | #1369 |
| 5K β 10K | 65 | 87 | -22 | #1369 | #1391 |
| 10K β 15K | 82 | 12 | +70 | #1391 | #1321 |
| 15K β 20K | 53 | 33 | +20 | #1321 | #1301 |
| 20K β HALF | 3 | 21 | -18 | #1301 | #1319 |
| HALF β 25K | 25 | 62 | -37 | #1319 | #1356 |
| 25K β 30K | 0 | 200 | -1441 | #1356 | #2797 |
| 30K β 20M | 3 | 200 | -892 | #2797 | #3689 |
| 20M β 21M | 2 | 200 | -588 | #3689 | #4277 |
| 21M β 35K | 3 | 200 | -571 | #4277 | #4848 |
| 35K β 23M | 5 | 200 | -1490 | #4848 | #6338 |
| 23M β 24M | 0 | 200 | -946 | #6338 | #7284 |
| 24M β 40K | 7 | 200 | -854 | #7284 | #8138 |
| 40K β 25.2M | 5 | 200 | -382 | #8138 | #8520 |
| 25.2M β FINISH | 2 | 200 | -1566 | #8520 | #10086 |
| TOTALS | 255 | 2015 | -8717 |
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
Olympic Trials Qualifying analysis available
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
