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BOSTON MARATHON 2023

Jamie Berenson

Bib: 25354•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:18
Rank: #23614
Start → 5K
31:18 | 10:04/mi
10K· 6.21 mi
1:01:36
Rank: #23417 (+197)
5K → 10K
30:18 | 9:45/mi
15K· 9.32 mi
1:31:34
Rank: #23212 (+205)
10K → 15K
29:58 | 9:39/mi
20K· 12.43 mi
2:02:47
Rank: #23155 (+57)
15K → 20K
31:13 | 10:03/mi
Half· 13.11 mi
2:09:20
Rank: #23089 (+66)
20K → Half
6:33 | 9:36/mi
25K· 15.53 mi
2:34:57
Rank: #23133 (-44)
Half → 25K
25:37 | 10:34/mi
30K· 18.64 mi
3:08:09
Rank: #23028 (+105)
25K → 30K
33:12 | 10:41/mi
20M
3:22:35
Rank: #22928 (+100)
30K → 20M
14:26 | 10:37/mi
21M
3:33:40
Rank: #22826 (+102)
20M → 21M
11:05 | 11:05/mi
35K· 21.75 mi
3:41:34
Rank: #22820 (+6)
21M → 35K
7:54 | 10:34/mi
23M
3:54:24
Rank: #22686 (+134)
35K → 23M
12:50 | 10:15/mi
24M
4:04:23
Rank: #22604 (+82)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
4:13:35
Rank: #22581 (+23)
24M → 40K
9:12 | 10:46/mi
25.2M
4:17:23
Rank: #22561 (+20)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
4:26:59
Rank: #22471 (+90)
25.2M → Finish
9:36 | 9:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:20
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:17:39
Pace10:30 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3631:1810:0431:18
10:04
-
10K
6.21 mi12:17:541:01:369:5530:18
9:45
-0:19
15K
9.32 mi12:47:521:31:349:4929:58
9:39
-0:06
20K
12.43 mi13:19:052:02:479:5331:13
10:03
+0:24
Half
13.11 mi13:25:382:09:209:526:33
9:36
-0:27
25K
15.53 mi13:51:152:34:579:5825:37
10:34
+0:58
30K
18.64 mi14:24:273:08:0910:0633:12
10:41
+0:07
20M
20.00 mi14:38:533:22:3510:0814:26
10:37
-0:04
21M
21.00 mi14:49:583:33:4010:1011:05
11:05
+0:28
35K
21.75 mi14:57:523:41:3410:117:54
10:34
-0:31
23M
23.00 mi15:10:423:54:2410:1112:50
10:15
-0:19
24M
24.00 mi15:20:414:04:2310:119:59
9:59
-0:16
40K
24.85 mi15:29:534:13:3510:129:12
10:46
+0:47
25.2M
25.20 mi15:33:414:17:2310:133:48
11:01
+0:15
Finish
26.22 mi15:43:174:26:5910:119:36
9:25
-1:36

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

9:25 /mi

Average Pace

10:11 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:45

61% of race

Time at Steady Pace

1:45:14

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:11 /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 mi11:47:3631:1810:0431:18
10:04
#23614
10K
6.21 mi12:17:541:01:369:5530:18
9:45
#23417
15K
9.32 mi12:47:521:31:349:4929:58
9:39
#23212
20K
12.43 mi13:19:052:02:479:5331:13
10:03
#23155
Half
13.11 mi13:25:382:09:209:526:33
9:36
#23089
25K
15.53 mi13:51:152:34:579:5825:37
10:34
#23133
30K
18.64 mi14:24:273:08:0910:0633:12
10:41
#23028
20M
20.00 mi14:38:533:22:3510:0814:26
10:37
#22928
21M
21.00 mi14:49:583:33:4010:1011:05
11:05
#22826
35K
21.75 mi14:57:523:41:3410:117:54
10:34
#22820
23M
23.00 mi15:10:423:54:2410:1112:50
10:15
#22686
24M
24.00 mi15:20:414:04:2310:119:59
9:59
#22604
40K
24.85 mi15:29:534:13:3510:129:12
10:46
#22581
25.2M
25.20 mi15:33:414:17:2310:133:48
11:01
#22561
Finish
26.22 mi15:43:174:26:5910:119:36
9:25
#22471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi236149707970722661(Top 85%)9165(Top 80%)9165(Top 504%)
10K6.21 mi3.10 mi23417+1979582+1259582+12523171(Top 87%)9426(Top 83%)9426(Top 519%)
15K9.32 mi3.11 mi23212+2059462+1209462+12022661(Top 85%)9165(Top 80%)9165(Top 504%)
20K12.43 mi3.11 mi23155+579436+269436+2623020(Top 86%)9356(Top 82%)9356(Top 515%)
Half13.11 mi0.68 mi23089+669398+389398+3822414(Top 84%)9022(Top 79%)9022(Top 497%)
25K15.53 mi2.42 mi23133-449428-309428-3023297(Top 88%)9554(Top 84%)9554(Top 526%)
30K18.64 mi3.11 mi23028+1059396+329396+3222587(Top 85%)9233(Top 81%)9233(Top 508%)
20M20.00 mi1.36 mi22928+1009360+369360+3621993(Top 83%)8977(Top 79%)8977(Top 494%)
21M21.00 mi1.00 mi22826+1029313+479313+4721006(Top 79%)8465(Top 74%)8465(Top 466%)
35K21.75 mi0.75 mi22820+69318-59318-522505(Top 85%)9324(Top 82%)9324(Top 513%)
23M23.00 mi1.25 mi22686+1349254+649254+6420730(Top 78%)8366(Top 73%)8366(Top 460%)
24M24.00 mi1.00 mi22604+829223+319223+3120760(Top 78%)8414(Top 74%)8414(Top 463%)
40K24.85 mi0.85 mi22581+239216+79216+721867(Top 82%)9079(Top 79%)9079(Top 500%)
25.2M25.20 mi0.35 mi22561+209211+59211+520558(Top 77%)8360(Top 73%)8360(Top 460%)
Finish26.22 mi1.02 mi22471+909169+429169+4219872(Top 75%)7929(Top 69%)7929(Top 436%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22661

Females

9165

F45-49

9165

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23171

Females

9426

F45-49

9426

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22661

Females

9165

F45-49

9165

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

23020

Females

9356

F45-49

9356

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22414

Females

9022

F45-49

9022

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23297

Females

9554

F45-49

9554

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22587

Females

9233

F45-49

9233

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

21993

Females

8977

F45-49

8977

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21006

Females

8465

F45-49

8465

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22505

Females

9324

F45-49

9324

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20730

Females

8366

F45-49

8366

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20760

Females

8414

F45-49

8414

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21867

Females

9079

F45-49

9079

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20558

Females

8360

F45-49

8360

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19872

Females

7929

F45-49

7929

Passing Analysis

Category:
Athletes Passed
1696
Passed By
553
Net Change
+1143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23614
5K → 10K332135+197#23614#23417
10K → 15K25146+205#23417#23212
15K → 20K14285+57#23212#23155
20K → Half693+66#23155#23089
Half → 25K84128-44#23089#23133
25K → 30K17368+105#23133#23028
30K → 20M11919+100#23028#22928
20M → 21M1119+102#22928#22826
21M → 35K3529+6#22826#22820
35K → 23M1384+134#22820#22686
23M → 24M864+82#22686#22604
24M → 40K3916+23#22604#22581
40K → 25.2M233+20#22581#22561
25.2M → Finish944+90#22561#22471
TOTALS1696553+1143
📊

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