Sam Donnellan
Rockville, MD
Bib: 2021 M
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 25:13 | 8:07 | 3.11 mi | 25:13 | 8:07 | - | |
10K | 48:50 | 7:52 | 3.10 mi | 23:37 | 7:36 | -0:31 | |
15K | 1:12:25 | 7:46 | 3.11 mi | 23:35 | 7:35 | -0:01 | |
21K | 1:41:08 | 7:45 | 3.73 mi | 28:43 | 7:42 | +0:07 | |
25K | 1:59:52 | 7:43 | 2.48 mi | 18:44 | 7:32 | -0:10 | |
30K | 2:25:02 | 7:47 | 3.11 mi | 25:10 | 8:06 | +0:34 | |
35K | 2:50:38 | 7:51 | 3.11 mi | 25:36 | 8:14 | +0:08 | |
40K | 3:18:12 | 7:58 | 3.10 mi | 27:34 | 8:52 | +0:38 | |
Finish(26.22 mi) | 3:29:41 | 8:00 | 1.37 mi | 11:29 | 8:25 | -0:27 |
Checkpoints & Pacing
Pace Line
Fastest Pace
7:32 /mi
Average Pace
8:00 /mi
Slowest Pace
8:52 /mi
Segments
Time at Faster Pace
2:50:38
81% of race
Time at Steady Pace
39:03
19% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 8:00 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M20-24 | Seg. Overall | Seg. Males | Seg. M20-24 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 1638 | 1366 | 192 | 1185 | 1011 | 144 |
| 10K | 3.10 mi | 1512+126 | 1269+97 | 179+13 | 1439 | 1222 | 167 |
| 15K | 3.11 mi | 1357+155 | 1149+120 | 159+20 | 1185 | 1011 | 144 |
| 21K | 3.73 mi | 1303+54 | 1107+42 | 156+3 | 1220 | 1045 | 155 |
| 25K | 2.48 mi | 1286+17 | 1088+19 | 157-1 | 1274 | 1075 | 160 |
| 30K | 3.11 mi | 1300-14 | 1092-4 | 161-4 | 1542 | 1264 | 204 |
| 35K | 3.11 mi | 1305-5 | 1086+6 | 161 | 1773 | 1398 | 213 |
| 40K | 3.10 mi | 1393-88 | 1142-56 | 171-10 | 2407 | 1781 | 265 |
| Finish(26.22 mi) | 1.37 mi | 1400-7 | 1143-1 | 172-1 | 1762 | 1341 | 224 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
1185
Males
1011
M20-24
1011
5K→10K
3.1 - 6.2 mi
Overall
1439
Males
1222
M20-24
1222
10K→15K
6.2 - 9.3 mi
Overall
1185
Males
1011
M20-24
1011
15K→21K
9.3 - 13.1 mi
Overall
1220
Males
1045
M20-24
1045
21K→25K
13.1 - 15.5 mi
Overall
1274
Males
1075
M20-24
1075
25K→30K
15.5 - 18.6 mi
Overall
1542
Males
1264
M20-24
1264
30K→35K
18.6 - 21.8 mi
Overall
1773
Males
1398
M20-24
1398
35K→40K
21.8 - 24.9 mi
Overall
2407
Males
1781
M20-24
1781
40K→Finish
24.9 - 26.2 mi
Overall
1762
Males
1341
M20-24
1341
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #1638 |
| 5K → 10K | 38164+126 | #1638 → #1512 |
| 10K → 15K | 8163*+155 | #1512 → #1357 |
| 15K → 21K | 1973*+54 | #1357 → #1303 |
| 21K → 25K | 1936*+17 | #1303 → #1286 |
| 25K → 30K | 5339*-14 | #1286 → #1300 |
| 30K → 35K | 6156*-5 | #1300 → #1305 |
| 35K → 40K | 12739*-88 | #1305 → #1393 |
| 40K → Finish | 3427-7 | #1393 → #1400 |
| TOTALS | 359597*+238 | #1638 → #1400 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions