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BOSTON MARATHON 2023

Patricia Librizzi

Bib: 24065•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:57
Rank: #21587
Start → 5K
28:57 | 9:19/mi
10K· 6.21 mi
57:01
Rank: #21333 (+254)
5K → 10K
28:04 | 9:02/mi
15K· 9.32 mi
1:26:07
Rank: #21498 (-165)
10K → 15K
29:06 | 9:22/mi
20K· 12.43 mi
1:55:14
Rank: #21428 (+70)
15K → 20K
29:07 | 9:22/mi
Half· 13.11 mi
2:01:38
Rank: #21436 (-8)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:25:08
Rank: #21413 (+23)
Half → 25K
23:30 | 9:42/mi
30K· 18.64 mi
2:56:26
Rank: #21370 (+43)
25K → 30K
31:18 | 10:04/mi
20M
3:09:41
Rank: #21227 (+143)
30K → 20M
13:15 | 9:45/mi
21M
3:20:12
Rank: #21139 (+88)
20M → 21M
10:31 | 10:31/mi
35K· 21.75 mi
3:27:22
Rank: #21094 (+45)
21M → 35K
7:10 | 9:35/mi
23M
3:40:07
Rank: #21029 (+65)
35K → 23M
12:45 | 10:11/mi
24M
3:49:54
Rank: #20985 (+44)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
3:58:39
Rank: #20951 (+34)
24M → 40K
8:45 | 10:14/mi
25.2M
4:02:31
Rank: #20946 (+5)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:12:49
Rank: #21000 (-54)
25.2M → Finish
10:18 | 10:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:38
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:11:11
Pace10:00 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1628:579:1928:57
9:19
-
10K
6.21 mi12:12:2057:019:1128:04
9:02
-0:17
15K
9.32 mi12:41:261:26:079:1429:06
9:22
+0:20
20K
12.43 mi13:10:331:55:149:1629:07
9:22
0:00
Half
13.11 mi13:16:572:01:389:176:24
9:23
+0:01
25K
15.53 mi13:40:272:25:089:2123:30
9:42
+0:19
30K
18.64 mi14:11:452:56:269:2831:18
10:04
+0:22
20M
20.00 mi14:25:003:09:419:2913:15
9:45
-0:19
21M
21.00 mi14:35:313:20:129:3210:31
10:31
+0:46
35K
21.75 mi14:42:413:27:229:327:10
9:35
-0:56
23M
23.00 mi14:55:263:40:079:3412:45
10:11
+0:36
24M
24.00 mi15:05:133:49:549:359:47
9:47
-0:24
40K
24.85 mi15:13:583:58:399:368:45
10:14
+0:27
25.2M
25.20 mi15:17:504:02:319:373:52
11:13
+0:59
Finish
26.22 mi15:28:084:12:499:3910:18
10:06
-1:07

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

9:02 /mi

Average Pace

9:39 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:38

48% of race

Time at Steady Pace

53:42

21% of race

Time at Slower Pace

1:17:29

31% of race

Average Pace: 9:39 /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 mi11:44:1628:579:1928:57
9:19
#21587
10K
6.21 mi12:12:2057:019:1128:04
9:02
#21333
15K
9.32 mi12:41:261:26:079:1429:06
9:22
#21498
20K
12.43 mi13:10:331:55:149:1629:07
9:22
#21428
Half
13.11 mi13:16:572:01:389:176:24
9:23
#21436
25K
15.53 mi13:40:272:25:089:2123:30
9:42
#21413
30K
18.64 mi14:11:452:56:269:2831:18
10:04
#21370
20M
20.00 mi14:25:003:09:419:2913:15
9:45
#21227
21M
21.00 mi14:35:313:20:129:3210:31
10:31
#21139
35K
21.75 mi14:42:413:27:229:327:10
9:35
#21094
23M
23.00 mi14:55:263:40:079:3412:45
10:11
#21029
24M
24.00 mi15:05:133:49:549:359:47
9:47
#20985
40K
24.85 mi15:13:583:58:399:368:45
10:14
#20951
25.2M
25.20 mi15:17:504:02:319:373:52
11:13
#20946
Finish
26.22 mi15:28:084:12:499:3910:18
10:06
#21000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi215878686868621867(Top 82%)8717(Top 76%)8717(Top 1654%)
10K6.21 mi3.10 mi21333+2548494+1928494+19221030(Top 79%)8283(Top 73%)8283(Top 1572%)
15K9.32 mi3.11 mi21498-1658555-618555-6121867(Top 82%)8717(Top 76%)8717(Top 1654%)
20K12.43 mi3.11 mi21428+708511+448511+4421168(Top 80%)8325(Top 73%)8325(Top 1580%)
Half13.11 mi0.68 mi21436-88512-18512-121774(Top 82%)8670(Top 76%)8670(Top 1645%)
25K15.53 mi2.42 mi21413+238494+188494+1821433(Top 81%)8525(Top 75%)8525(Top 1618%)
30K18.64 mi3.11 mi21370+438487+78487+721227(Top 80%)8477(Top 74%)8477(Top 1609%)
20M20.00 mi1.36 mi21227+1438432+558432+5519726(Top 74%)7718(Top 68%)7718(Top 1465%)
21M21.00 mi1.00 mi21139+888395+378395+3719669(Top 74%)7750(Top 68%)7750(Top 1471%)
35K21.75 mi0.75 mi21094+458375+208375+2020122(Top 76%)8005(Top 70%)8005(Top 1519%)
23M23.00 mi1.25 mi21029+658347+288347+2820531(Top 77%)8253(Top 72%)8253(Top 1566%)
24M24.00 mi1.00 mi20985+448337+108337+1020188(Top 76%)8081(Top 71%)8081(Top 1533%)
40K24.85 mi0.85 mi20951+348328+98328+920592(Top 77%)8377(Top 73%)8377(Top 1590%)
25.2M25.20 mi0.35 mi20946+58329-18329-120967(Top 79%)8573(Top 75%)8573(Top 1627%)
Finish26.22 mi1.02 mi21000-548373-448373-4422059(Top 83%)9143(Top 80%)9143(Top 1735%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21867

Females

8717

F60-64

8717

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

21030

Females

8283

F60-64

8283

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21867

Females

8717

F60-64

8717

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21168

Females

8325

F60-64

8325

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21774

Females

8670

F60-64

8670

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21433

Females

8525

F60-64

8525

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21227

Females

8477

F60-64

8477

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19726

Females

7718

F60-64

7718

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19669

Females

7750

F60-64

7750

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20122

Females

8005

F60-64

8005

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20531

Females

8253

F60-64

8253

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20188

Females

8081

F60-64

8081

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20592

Females

8377

F60-64

8377

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20967

Females

8573

F60-64

8573

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22059

Females

9143

F60-64

9143

Passing Analysis

Category:
Athletes Passed
1563
Passed By
976
Net Change
+587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21587
5K → 10K434180+254#21587#21333
10K → 15K96261-165#21333#21498
15K → 20K173103+70#21498#21428
20K → Half2230-8#21428#21436
Half → 25K10582+23#21436#21413
25K → 30K146103+43#21413#21370
30K → 20M15512+143#21370#21227
20M → 21M10719+88#21227#21139
21M → 35K6419+45#21139#21094
35K → 23M9530+65#21094#21029
23M → 24M6521+44#21029#20985
24M → 40K5016+34#20985#20951
40K → 25.2M2520+5#20951#20946
25.2M → Finish2680-54#20946#21000
TOTALS1563976+587
📊

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