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BOSTON MARATHON 2023

Jennifer Pierdomenico

Bib: 23738•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:21
Rank: #20961
Start → 5K
28:21 | 9:07/mi
10K· 6.21 mi
55:59
Rank: #20685 (+276)
5K → 10K
27:38 | 8:54/mi
15K· 9.32 mi
1:24:06
Rank: #20680 (+5)
10K → 15K
28:07 | 9:03/mi
20K· 12.43 mi
1:52:35
Rank: #20619 (+61)
15K → 20K
28:29 | 9:10/mi
Half· 13.11 mi
1:58:44
Rank: #20605 (+14)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:21:58
Rank: #20720 (-115)
Half → 25K
23:14 | 9:35/mi
30K· 18.64 mi
2:52:42
Rank: #20689 (+31)
25K → 30K
30:44 | 9:54/mi
20M
3:06:05
Rank: #20624 (+65)
30K → 20M
13:23 | 9:51/mi
21M
3:16:49
Rank: #20583 (+41)
20M → 21M
10:44 | 10:44/mi
35K· 21.75 mi
3:23:57
Rank: #20556 (+27)
21M → 35K
7:08 | 9:32/mi
23M
3:36:46
Rank: #20544 (+12)
35K → 23M
12:49 | 10:14/mi
24M
3:47:57
Rank: #20731 (-187)
23M → 24M
11:11 | 11:11/mi
40K· 24.85 mi
3:58:14
Rank: #20895 (-164)
24M → 40K
10:17 | 12:02/mi
25.2M
4:02:42
Rank: #20976 (-81)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:14:03
Rank: #21160 (-184)
25.2M → Finish
11:21 | 11:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:44
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:15:19
Pace10:19 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5628:219:0728:21
9:07
-
10K
6.21 mi11:51:3455:599:0127:38
8:54
-0:13
15K
9.32 mi12:19:411:24:069:0128:07
9:03
+0:09
20K
12.43 mi12:48:101:52:359:0428:29
9:10
+0:07
Half
13.11 mi12:54:191:58:449:036:09
9:01
-0:09
25K
15.53 mi13:17:332:21:589:0823:14
9:35
+0:34
30K
18.64 mi13:48:172:52:429:1630:44
9:54
+0:19
20M
20.00 mi14:01:403:06:059:1813:23
9:51
-0:03
21M
21.00 mi14:12:243:16:499:2210:44
10:44
+0:53
35K
21.75 mi14:19:323:23:579:237:08
9:32
-1:12
23M
23.00 mi14:32:213:36:469:2512:49
10:14
+0:42
24M
24.00 mi14:43:323:47:579:3011:11
11:11
+0:57
40K
24.85 mi14:53:493:58:149:3510:17
12:02
+0:51
25.2M
25.20 mi14:58:174:02:429:384:28
12:57
+0:55
Finish
26.22 mi15:09:384:14:039:4211:21
11:08
-1:49

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

8:54 /mi

Average Pace

9:42 /mi

Slowest Pace

12:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:44

47% of race

Time at Steady Pace

1:27:18

34% of race

Time at Slower Pace

48:01

19% of race

Average Pace: 9:41 /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 mi11:23:5628:219:0728:21
9:07
#20961
10K
6.21 mi11:51:3455:599:0127:38
8:54
#20685
15K
9.32 mi12:19:411:24:069:0128:07
9:03
#20680
20K
12.43 mi12:48:101:52:359:0428:29
9:10
#20619
Half
13.11 mi12:54:191:58:449:036:09
9:01
#20605
25K
15.53 mi13:17:332:21:589:0823:14
9:35
#20720
30K
18.64 mi13:48:172:52:429:1630:44
9:54
#20689
20M
20.00 mi14:01:403:06:059:1813:23
9:51
#20624
21M
21.00 mi14:12:243:16:499:2210:44
10:44
#20583
35K
21.75 mi14:19:323:23:579:237:08
9:32
#20556
23M
23.00 mi14:32:213:36:469:2512:49
10:14
#20544
24M
24.00 mi14:43:323:47:579:3011:11
11:11
#20731
40K
24.85 mi14:53:493:58:149:3510:17
12:02
#20895
25.2M
25.20 mi14:58:174:02:429:384:28
12:57
#20976
Finish
26.22 mi15:09:384:14:039:4211:21
11:08
#21160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi209618350835020745(Top 78%)8092(Top 71%)8092(Top 993%)
10K6.21 mi3.10 mi20685+2768138+2128138+21220411(Top 77%)7932(Top 69%)7932(Top 973%)
15K9.32 mi3.11 mi20680+58114+248114+2420745(Top 78%)8092(Top 71%)8092(Top 993%)
20K12.43 mi3.11 mi20619+618065+498065+4920445(Top 77%)7929(Top 69%)7929(Top 973%)
Half13.11 mi0.68 mi20605+148051+148051+1420541(Top 77%)7996(Top 70%)7996(Top 981%)
25K15.53 mi2.42 mi20720-1158109-588109-5821101(Top 79%)8323(Top 73%)8323(Top 1021%)
30K18.64 mi3.11 mi20689+318103+68103+620734(Top 78%)8189(Top 72%)8189(Top 1005%)
20M20.00 mi1.36 mi20624+658091+128091+1220025(Top 75%)7871(Top 69%)7871(Top 966%)
21M21.00 mi1.00 mi20583+418077+148077+1420235(Top 76%)8056(Top 71%)8056(Top 988%)
35K21.75 mi0.75 mi20556+278066+118066+1119989(Top 75%)7933(Top 69%)7933(Top 973%)
23M23.00 mi1.25 mi20544+128075-98075-920679(Top 78%)8333(Top 73%)8333(Top 1022%)
24M24.00 mi1.00 mi20731-1878196-1218196-12123382(Top 88%)9837(Top 86%)9837(Top 1207%)
40K24.85 mi0.85 mi20895-1648297-1018297-10123929(Top 90%)10143(Top 89%)10143(Top 1245%)
25.2M25.20 mi0.35 mi20976-818348-518348-5123907(Top 90%)10133(Top 89%)10133(Top 1243%)
Finish26.22 mi1.02 mi21160-1848458-1108458-11024205(Top 91%)10248(Top 90%)10248(Top 1257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20745

Females

8092

F55-59

8092

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20411

Females

7932

F55-59

7932

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20745

Females

8092

F55-59

8092

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20445

Females

7929

F55-59

7929

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20541

Females

7996

F55-59

7996

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21101

Females

8323

F55-59

8323

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20734

Females

8189

F55-59

8189

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20025

Females

7871

F55-59

7871

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20235

Females

8056

F55-59

8056

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19989

Females

7933

F55-59

7933

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20679

Females

8333

F55-59

8333

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23382

Females

9837

F55-59

9837

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23929

Females

10143

F55-59

10143

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23907

Females

10133

F55-59

10133

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24205

Females

10248

F55-59

10248

Passing Analysis

Category:
Athletes Passed
1449
Passed By
1648
Net Change
-199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20961
5K → 10K466190+276#20961#20685
10K → 15K177172+5#20685#20680
15K → 20K191130+61#20680#20619
20K → Half3218+14#20619#20605
Half → 25K72187-115#20605#20720
25K → 30K160129+31#20720#20689
30K → 20M9833+65#20689#20624
20M → 21M9756+41#20624#20583
21M → 35K5326+27#20583#20556
35K → 23M7260+12#20556#20544
23M → 24M10197-187#20544#20731
24M → 40K8172-164#20731#20895
40K → 25.2M283-81#20895#20976
25.2M → Finish11195-184#20976#21160
TOTALS14491648-199
📊

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