Kathryn Librock

Bib: 17031F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 23%
Gender (Female)
#0 / 10924
Top 8%
Masters (Masters Women)
#0 / 6263
Top 3%
Division (F40-44)
#0 / 1613
Top 7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #7189
Start5K
21:49 | 7:01/mi
10K· 6.21 mi
43:44
Rank: #7073 (+116)
5K10K
21:55 | 7:03/mi
15K· 9.32 mi
1:05:58
Rank: #7095 (-22)
10K15K
22:14 | 7:09/mi
20K· 12.43 mi
1:28:35
Rank: #6958 (+137)
15K20K
22:37 | 7:17/mi
Half· 13.11 mi
1:33:30
Rank: #6951 (+7)
20KHalf
4:55 | 7:12/mi
25K· 15.53 mi
1:51:21
Rank: #6743 (+208)
Half25K
17:51 | 7:22/mi
30K· 18.64 mi
2:15:14
Rank: #6508 (+235)
25K30K
23:53 | 7:41/mi
20M
2:25:58
Rank: #6390 (+118)
30K20M
10:44 | 7:54/mi
21M
2:34:31
Rank: #6318 (+72)
20M21M
8:33 | 8:33/mi
35K· 21.75 mi
2:40:15
Rank: #6244 (+74)
21M35K
5:44 | 7:40/mi
23M
2:50:25
Rank: #6139 (+105)
35K23M
10:10 | 8:07/mi
24M
2:58:12
Rank: #6041 (+98)
23M24M
7:47 | 7:47/mi
40K· 24.85 mi
3:05:02
Rank: #5936 (+105)
24M40K
6:50 | 8:00/mi
25.2M
3:08:02
Rank: #5898 (+38)
40K25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:16:02
Rank: #5926 (-28)
25.2MFinish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:30
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:42:32
Pace7:49 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1321:497:0121:49
7:01
-
10K
6.21 mi11:34:0843:447:0221:55
7:03
+0:02
15K
9.32 mi11:56:221:05:587:0522:14
7:09
+0:06
20K
12.43 mi12:18:591:28:357:0822:37
7:17
+0:08
Half
13.11 mi12:23:541:33:307:084:55
7:12
-0:05
25K
15.53 mi12:41:451:51:217:1017:51
7:22
+0:10
30K
18.64 mi13:05:382:15:147:1523:53
7:41
+0:19
20M
20.00 mi13:16:222:25:587:1810:44
7:54
+0:13
21M
21.00 mi13:24:552:34:317:218:33
8:33
+0:39
35K
21.75 mi13:30:392:40:157:225:44
7:40
-0:53
23M
23.00 mi13:40:492:50:257:2510:10
8:07
+0:27
24M
24.00 mi13:48:362:58:127:267:47
7:47
-0:20
40K
24.85 mi13:55:263:05:027:276:50
8:00
+0:13
25.2M
25.20 mi13:58:263:08:027:283:00
8:42
+0:42
Finish
26.22 mi14:06:263:16:027:298:00
7:51
-0:51

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

7:01 /mi

Average Pace

7:29 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:21

57% of race

Time at Steady Pace

56:08

29% of race

Time at Slower Pace

28:33

15% of race

Average Pace: 7:29 /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 mi11:12:1321:497:0121:49
7:01
#7189
10K
6.21 mi11:34:0843:447:0221:55
7:03
#7073
15K
9.32 mi11:56:221:05:587:0522:14
7:09
#7095
20K
12.43 mi12:18:591:28:357:0822:37
7:17
#6958
Half
13.11 mi12:23:541:33:307:084:55
7:12
#6951
25K
15.53 mi12:41:451:51:217:1017:51
7:22
#6743
30K
18.64 mi13:05:382:15:147:1523:53
7:41
#6508
20M
20.00 mi13:16:222:25:587:1810:44
7:54
#6390
21M
21.00 mi13:24:552:34:317:218:33
8:33
#6318
35K
21.75 mi13:30:392:40:157:225:44
7:40
#6244
23M
23.00 mi13:40:492:50:257:2510:10
8:07
#6139
24M
24.00 mi13:48:362:58:127:267:47
7:47
#6041
40K
24.85 mi13:55:263:05:027:276:50
8:00
#5936
25.2M
25.20 mi13:58:263:08:027:283:00
8:42
#5898
Finish
26.22 mi14:06:263:16:027:298:00
7:51
#5926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi71898878877188(Top 28%)975(Top 9%)975(Top 60%)
10K6.21 mi3.10 mi7073+116866+21866+217028(Top 28%)880(Top 8%)880(Top 55%)
15K9.32 mi3.11 mi7095-22900-34900-347188(Top 28%)975(Top 9%)975(Top 60%)
20K12.43 mi3.11 mi6958+137887+13887+136864(Top 27%)945(Top 9%)945(Top 59%)
Half13.11 mi0.68 mi6951+7880+7880+77067(Top 28%)1011(Top 9%)1011(Top 63%)
25K15.53 mi2.42 mi6743+208853+27853+276201(Top 24%)881(Top 8%)881(Top 55%)
30K18.64 mi3.11 mi6508+235831+22831+226082(Top 24%)1005(Top 9%)1005(Top 62%)
20M20.00 mi1.36 mi6390+118838-7838-76224(Top 24%)1217(Top 11%)1217(Top 75%)
21M21.00 mi1.00 mi6318+72850-12850-126468(Top 25%)1494(Top 14%)1494(Top 93%)
35K21.75 mi0.75 mi6244+74855-5855-55936(Top 23%)1270(Top 12%)1270(Top 79%)
23M23.00 mi1.25 mi6139+105871-16871-166380(Top 25%)1620(Top 15%)1620(Top 100%)
24M24.00 mi1.00 mi6041+98861+10861+105478(Top 21%)1291(Top 12%)1291(Top 80%)
40K24.85 mi0.85 mi5936+105856+5856+55766(Top 23%)1546(Top 14%)1546(Top 96%)
25.2M25.20 mi0.35 mi5898+38862-6862-65283(Top 21%)1386(Top 13%)1386(Top 86%)
Finish26.22 mi1.02 mi5926-28906-44906-447644(Top 30%)2394(Top 22%)2394(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7188

Females

975

F40-44

975

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7028

Females

880

F40-44

880

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7188

Females

975

F40-44

975

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

6864

Females

945

F40-44

945

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7067

Females

1011

F40-44

1011

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6201

Females

881

F40-44

881

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6082

Females

1005

F40-44

1005

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6224

Females

1217

F40-44

1217

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6468

Females

1494

F40-44

1494

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5936

Females

1270

F40-44

1270

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6380

Females

1620

F40-44

1620

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5478

Females

1291

F40-44

1291

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5766

Females

1546

F40-44

1546

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5283

Females

1386

F40-44

1386

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7644

Females

2394

F40-44

2394

Passing Analysis

Category:
Athletes Passed
2227
Passed By
964
Net Change
+1263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7189
5K10K247131+116#7189#7073
10K15K150172-22#7073#7095
15K20K23093+137#7095#6958
20KHalf3629+7#6958#6951
Half25K26658+208#6951#6743
25K30K33398+235#6743#6508
30K20M17052+118#6508#6390
20M21M15179+72#6390#6318
21M35K9420+74#6318#6244
35K23M16358+105#6244#6139
23M24M13234+98#6139#6041
24M40K13429+105#6041#5936
40K25.2M5517+38#5936#5898
25.2MFinish6694-28#5898#5926
TOTALS2227964+1263
📊

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