Karen Lacey

Bib: 23010F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:21
Rank: #17687
Start5K
26:21 | 8:29/mi
10K· 6.21 mi
54:45
Rank: #19111 (-1424)
5K10K
28:24 | 9:08/mi
15K· 9.32 mi
1:27:59
Rank: #21050 (-1939)
10K15K
33:14 | 10:42/mi
20K· 12.43 mi
2:52:52
Rank: #25536 (-4486)
15K20K
1:24:53 | 27:19/mi
Half· 13.11 mi
2:59:22
Rank: #25526 (+10)
20KHalf
6:30 | 9:32/mi
25K· 15.53 mi
3:25:37
Rank: #25427 (+99)
Half25K
26:15 | 10:50/mi
30K· 18.64 mi
4:05:06
Rank: #25243 (+184)
25K30K
39:29 | 12:43/mi
20M
4:22:25
Rank: #25171 (+72)
30K20M
17:19 | 12:45/mi
21M
4:37:26
Rank: #25131 (+40)
20M21M
15:01 | 15:01/mi
35K· 21.75 mi
4:45:26
Rank: #25036 (+95)
21M35K
8:00 | 10:42/mi
23M
4:59:48
Rank: #24894 (+142)
35K23M
14:22 | 11:28/mi
24M
5:11:07
Rank: #24801 (+93)
23M24M
11:19 | 11:19/mi
40K· 24.85 mi
5:22:05
Rank: #24752 (+49)
24M40K
10:58 | 12:50/mi
25.2M
5:26:25
Rank: #24700 (+52)
40K25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
5:37:59
Rank: #24635 (+65)
25.2MFinish
11:34 | 11:21/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:59:22
Pace13:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:38:37
Pace12:06 /mi
📊Negative Split: 11.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5526:218:2926:21
8:29
-
10K
6.21 mi11:55:1954:458:4928:24
9:08
+0:39
15K
9.32 mi12:28:331:27:599:2633:14
10:42
+1:34
20K
12.43 mi13:53:262:52:5213:551:24:53
27:19
+16:37
Half
13.11 mi13:59:562:59:2213:416:30
9:32
-17:47
25K
15.53 mi14:26:113:25:3713:1426:15
10:50
+1:18
30K
18.64 mi15:05:404:05:0613:0939:29
12:43
+1:53
20M
20.00 mi15:22:594:22:2513:0717:19
12:45
+0:02
21M
21.00 mi15:38:004:37:2613:1315:01
15:01
+2:16
35K
21.75 mi15:46:004:45:2613:078:00
10:42
-4:19
23M
23.00 mi16:00:224:59:4813:0214:22
11:28
+0:46
24M
24.00 mi16:11:415:11:0712:5811:19
11:19
-0:09
40K
24.85 mi16:22:395:22:0512:5810:58
12:50
+1:31
25.2M
25.20 mi16:26:595:26:2512:574:20
12:34
-0:16
Finish
26.22 mi16:38:335:37:5912:5411:34
11:21
-1:13

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

8:29 /mi

Average Pace

12:54 /mi

Slowest Pace

27:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:45

16% of race

Time at Steady Pace

3:03:20

54% of race

Time at Slower Pace

1:39:54

30% of race

Average Pace: 12:53 /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 mi11:26:5526:218:2926:21
8:29
#17687
10K
6.21 mi11:55:1954:458:4928:24
9:08
#19111
15K
9.32 mi12:28:331:27:599:2633:14
10:42
#21050
20K
12.43 mi13:53:262:52:5213:551:24:53
27:19
#25536
Half
13.11 mi13:59:562:59:2213:416:30
9:32
#25526
25K
15.53 mi14:26:113:25:3713:1426:15
10:50
#25427
30K
18.64 mi15:05:404:05:0613:0939:29
12:43
#25243
20M
20.00 mi15:22:594:22:2513:0717:19
12:45
#25171
21M
21.00 mi15:38:004:37:2613:1315:01
15:01
#25131
35K
21.75 mi15:46:004:45:2613:078:00
10:42
#25036
23M
23.00 mi16:00:224:59:4813:0214:22
11:28
#24894
24M
24.00 mi16:11:415:11:0712:5811:19
11:19
#24801
40K
24.85 mi16:22:395:22:0512:5810:58
12:50
#24752
25.2M
25.20 mi16:26:595:26:2512:574:20
12:34
#24700
Finish
26.22 mi16:38:335:37:5912:5411:34
11:21
#24635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi176876580658023277(Top 91%)9582(Top 88%)9582(Top 1094%)
10K6.21 mi3.10 mi19111-14247388-8087388-80820322(Top 80%)7998(Top 73%)7998(Top 913%)
15K9.32 mi3.11 mi21050-19398396-10088396-100823277(Top 91%)9582(Top 88%)9582(Top 1094%)
20K12.43 mi3.11 mi25536-448610922-252610922-252625549(Top 100%)10924(Top 100%)10924(Top 1247%)
Half13.11 mi0.68 mi25526+1010916+610916+620193(Top 79%)7995(Top 73%)7995(Top 913%)
25K15.53 mi2.42 mi25427+9910851+6510851+6521148(Top 83%)8561(Top 78%)8561(Top 977%)
30K18.64 mi3.11 mi25243+18410739+11210739+11222922(Top 90%)9617(Top 88%)9617(Top 1098%)
20M20.00 mi1.36 mi25171+7210702+3710702+3722526(Top 88%)9525(Top 87%)9525(Top 1087%)
21M21.00 mi1.00 mi25131+4010682+2010682+2023577(Top 92%)10074(Top 92%)10074(Top 1150%)
35K21.75 mi0.75 mi25036+9510633+4910633+4919103(Top 75%)7898(Top 72%)7898(Top 902%)
23M23.00 mi1.25 mi24894+14210556+7710556+7719593(Top 77%)8196(Top 75%)8196(Top 936%)
24M24.00 mi1.00 mi24801+9310517+3910517+3920046(Top 78%)8472(Top 78%)8472(Top 967%)
40K24.85 mi0.85 mi24752+4910496+2110496+2121993(Top 86%)9472(Top 87%)9472(Top 1081%)
25.2M25.20 mi0.35 mi24700+5210470+2610470+2618731(Top 73%)7899(Top 72%)7899(Top 902%)
Finish26.22 mi1.02 mi24635+6510439+3110439+3122151(Top 87%)9520(Top 87%)9520(Top 1087%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

23277

Females

9582

F55-59

9582

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20322

Females

7998

F55-59

7998

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

23277

Females

9582

F55-59

9582

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

25549

Females

10924

F55-59

10924

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20193

Females

7995

F55-59

7995

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

21148

Females

8561

F55-59

8561

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

22922

Females

9617

F55-59

9617

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

22526

Females

9525

F55-59

9525

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23577

Females

10074

F55-59

10074

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19103

Females

7898

F55-59

7898

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

19593

Females

8196

F55-59

8196

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20046

Females

8472

F55-59

8472

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21993

Females

9472

F55-59

9472

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18731

Females

7899

F55-59

7899

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

22151

Females

9520

F55-59

9520

Passing Analysis

Category:
Athletes Passed
954
Passed By
7902
Net Change
-6948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17687
5K10K311455-1424#17687#19111
10K15K111950-1939#19111#21050
15K20K04486-4486#21050#25536
20KHalf100+10#25536#25526
Half25K990+99#25526#25427
25K30K1840+184#25427#25243
30K20M731+72#25243#25171
20M21M466+40#25171#25131
21M35K950+95#25131#25036
35K23M1420+142#25036#24894
23M24M930+93#24894#24801
24M40K501+49#24801#24752
40K25.2M520+52#24752#24700
25.2MFinish683+65#24700#24635
TOTALS9547902-6948
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing