Patrick O’Brien

Lorton, VA

Bib: 13643 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 48%
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Top 44%
Division (M40-44)
#0 / 2340
Race Day Weather
42°/32°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
10:31/mi
32:39
2791640.7%
140 ft elev
10K· 6.21 mi
9:51/mi
1:03:14
1032170.7%
25 ft elev
15K· 9.32 mi
10:18/mi
1:35:13
5155
21 ft elev
21K· 13.05 mi
10:50/mi
2:15:38
2037
4 ft elev
25K· 15.53 mi
10:10/mi
2:40:53
350.2%
30 ft elev
30K· 18.64 mi
10:44/mi
3:14:14
5857
30 ft elev
35K· 21.75 mi
11:21/mi
3:49:31
9892
36 ft elev
40K· 24.85 mi
11:37/mi
4:25:37
36530.1%
18 ft elev
Finish· 26.22 mi
11:13/mi
4:40:55
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:15:38
Pace10:24 /mi
2nd Half
Distance13.17 mi
Time2:25:16
Pace11:02 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:09:3332:3910:3132:39
10:31
-
10K
6.21 mi08:40:081:03:1410:1130:35
9:51
-0:40
15K
9.32 mi09:12:071:35:1310:1331:59
10:18
+0:27
21K
13.05 mi09:52:322:15:3810:2440:25
10:50
+0:32
25K
15.53 mi10:17:472:40:5310:2125:15
10:10
-0:40
30K
18.64 mi10:51:083:14:1410:2533:21
10:44
+0:34
35K
21.75 mi11:26:253:49:3110:3335:17
11:21
+0:37
40K
24.85 mi12:02:314:25:3710:4136:06
11:37
+0:16
Finish
26.22 mi12:17:494:40:5510:4315:18
11:13
-0:24

Checkpoints & Pacing

📈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

9:51 /mi

Average Pace

10:43 /mi

Slowest Pace

11:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:14

69% of race

Time at Steady Pace

1:26:41

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:09:3332:3910:3132:39
10:31
#14896
10K
6.21 mi08:40:081:03:1410:1130:35
9:51
#14719
15K
9.32 mi09:12:071:35:1310:1331:59
10:18
#15250
21K
13.05 mi09:52:322:15:3810:2440:25
10:50
#15848
25K
15.53 mi10:17:472:40:5310:2125:15
10:10
#15432
30K
18.64 mi10:51:083:14:1410:2533:21
10:44
#14947
35K
21.75 mi11:26:253:49:3110:3335:17
11:21
#14741
40K
24.85 mi12:02:314:25:3710:4136:06
11:37
#14555
Finish
26.22 mi12:17:494:40:5510:4315:18
11:13
#14401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1489610221131716510(Top 55%)11102(Top 63%)1446(Top 62%)
10K6.21 mi3.10 mi14719+17710125+961304+1314609(Top 49%)10073(Top 57%)1305(Top 56%)
15K9.32 mi3.11 mi15250-53110415-2901341-3716510(Top 55%)11102(Top 63%)1446(Top 62%)
21K13.05 mi3.73 mi15848-59810739-3241406-6517616(Top 59%)11653(Top 66%)1533(Top 66%)
25K15.53 mi2.48 mi15432+41610459+2801369+3714303(Top 48%)9618(Top 54%)1263(Top 54%)
30K18.64 mi3.11 mi14947+48510081+3781322+4713663(Top 45%)9048(Top 51%)1187(Top 51%)
35K21.75 mi3.11 mi14741+2069850+2311295+2714406(Top 48%)9087(Top 51%)1174(Top 50%)
40K24.85 mi3.10 mi14555+1869589+2611241+5413787(Top 46%)8475(Top 48%)1088(Top 47%)
Finish26.22 mi1.37 mi14401+1549468+1211229+1212747(Top 42%)7867(Top 44%)998(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×18story building
+279ft-164ft

Overall

16510

Males

11102

M40-44

11102

5K→10K

3.1 - 6.2 mi

Top 49%
×11story building
+103ft-217ft

Overall

14609

Males

10073

M40-44

10073

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+51ft-55ft

Overall

16510

Males

11102

M40-44

11102

15K→21K

9.3 - 13.1 mi

Top 59%
×1story
+20ft-37ft

Overall

17616

Males

11653

M40-44

11653

21K→25K

13.1 - 15.5 mi

Top 48%
×2story building
+35ft-8ft

Overall

14303

Males

9618

M40-44

9618

25K→30K

15.5 - 18.6 mi

Top 45%
×2story building
+58ft-57ft

Overall

13663

Males

9048

M40-44

9048

30K→35K

18.6 - 21.8 mi

Top 48%
×2story building
+98ft-92ft

Overall

14406

Males

9087

M40-44

9087

35K→40K

21.8 - 24.9 mi

Top 46%
×2story building
+36ft-53ft

Overall

13787

Males

8475

M40-44

8475

40K→Finish

24.9 - 26.2 mi

Top 42%
×5story building
+80ft-24ft

Overall

12747

Males

7867

M40-44

7867

Passing Analysis

Category:
Athletes Passed
3213*
Passed By
2718
Net Change
+495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14896
5K10K503*326+177#14896#14719
10K15K177*708-531#14719#15250
15K21K240*838-598#15250#15848
21K25K521*105+416#15848#15432
25K30K624*139+485#15432#14947
30K35K495*289+206#14947#14741
35K40K445*259+186#14741#14555
40KFinish208*54+154#14555#14401
TOTALS3213*2718+495

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions