Darcy O'Connor
Somerville, MA
Bib: 8289 F
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 | 30:28 | 9:48 | 3.11 mi | 30:28 | 9:48 | - | |
10K | 59:23 | 9:33 | 3.10 mi | 28:55 | 9:18 | -0:30 | |
15K | 1:28:31 | 9:30 | 3.11 mi | 29:08 | 9:23 | +0:05 | |
21K | 2:03:40 | 9:29 | 3.73 mi | 35:09 | 9:26 | +0:03 | |
25K | 2:26:42 | 9:27 | 2.48 mi | 23:02 | 9:16 | -0:10 | |
30K | 2:57:06 | 9:30 | 3.11 mi | 30:24 | 9:47 | +0:31 | |
35K | 3:27:26 | 9:32 | 3.11 mi | 30:20 | 9:46 | -0:01 | |
40K | 3:59:30 | 9:38 | 3.10 mi | 32:04 | 10:19 | +0:33 | |
Finish(26.22 mi) | 4:13:39 | 9:41 | 1.37 mi | 14:09 | 10:22 | +0:03 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:16 /mi
Average Pace
9:41 /mi
Slowest Pace
10:22 /mi
Segments
Time at Faster Pace
3:27:26
82% of race
Time at Steady Pace
46:13
18% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:40 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F30-34 | Seg. Overall | Seg. Females | Seg. F30-34 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 7027 | 1831 | 247 | 6602 | 1680 | 224 |
| 10K | 3.10 mi | 7080-53 | 1852-21 | 244+3 | 7201 | 1879 | 243 |
| 15K | 3.11 mi | 6877+203 | 1767+85 | 228+16 | 6602 | 1680 | 224 |
| 21K | 3.73 mi | 6663+214 | 1701+66 | 218+10 | 6399 | 1625 | 208 |
| 25K | 2.48 mi | 6553+110 | 1677+24 | 214+4 | 6282 | 1689 | 212 |
| 30K | 3.11 mi | 6318+235 | 1656+21 | 211+3 | 5836 | 1580 | 199 |
| 35K | 3.11 mi | 6007+311 | 1596+60 | 201+10 | 5284 | 1535 | 193 |
| 40K | 3.10 mi | 5774+233 | 1588+8 | 199+2 | 5500 | 1785 | 232 |
| Finish(26.22 mi) | 1.37 mi | 5747+27 | 1601-13 | 205-6 | 6007 | 2014 | 277 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
6602
Females
1680
F30-34
1680
5K→10K
3.1 - 6.2 mi
Overall
7201
Females
1879
F30-34
1879
10K→15K
6.2 - 9.3 mi
Overall
6602
Females
1680
F30-34
1680
15K→21K
9.3 - 13.1 mi
Overall
6399
Females
1625
F30-34
1625
21K→25K
13.1 - 15.5 mi
Overall
6282
Females
1689
F30-34
1689
25K→30K
15.5 - 18.6 mi
Overall
5836
Females
1580
F30-34
1580
30K→35K
18.6 - 21.8 mi
Overall
5284
Females
1535
F30-34
1535
35K→40K
21.8 - 24.9 mi
Overall
5500
Females
1785
F30-34
1785
40K→Finish
24.9 - 26.2 mi
Overall
6007
Females
2014
F30-34
2014
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #7027 |
| 5K → 10K | 255202*-53 | #7027 → #7080 |
| 10K → 15K | 66269*+203 | #7080 → #6877 |
| 15K → 21K | 59273*+214 | #6877 → #6663 |
| 21K → 25K | 82192*+110 | #6663 → #6553 |
| 25K → 30K | 62297*+235 | #6553 → #6318 |
| 30K → 35K | 69380*+311 | #6318 → #6007 |
| 35K → 40K | 74307*+233 | #6007 → #5774 |
| 40K → Finish | 5077*+27 | #5774 → #5747 |
| TOTALS | 7171997*+1280 | #7027 → #5747 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
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
Find another athlete or browse the full results
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions