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BOSTON MARATHON 2023

Jennifer Gerhart

Bib: 27202•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 (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:26
Rank: #22908
Start → 5K
9:48/mi
30:26 split
10K· 6.21 mi
59:09
Rank: #22375 (+533)
5K → 10K
9:15/mi
28:43 split
15K· 9.32 mi
1:28:35
Rank: #22330 (+45)
10K → 15K
9:28/mi
29:26 split
20K· 12.43 mi
1:59:23
Rank: #22416 (-86)
15K → 20K
9:55/mi
30:48 split
Half· 13.11 mi
2:05:50
Rank: #22397 (+19)
20K → Half
9:27/mi
6:27 split
25K· 15.53 mi
2:29:12
Rank: #22216 (+181)
Half → 25K
9:38/mi
23:22 split
30K· 18.64 mi
2:59:32
Rank: #21857 (+359)
25K → 30K
9:46/mi
30:20 split
20M
3:13:04
Rank: #21742 (+115)
30K → 20M
9:58/mi
13:32 split
21M
3:23:23
Rank: #21603 (+139)
20M → 21M
10:19/mi
10:19 split
35K· 21.75 mi
3:30:42
Rank: #21567 (+36)
21M → 35K
9:47/mi
7:19 split
23M
3:43:40
Rank: #21535 (+32)
35K → 23M
10:21/mi
12:58 split
24M
3:53:58
Rank: #21532 (+3)
23M → 24M
10:18/mi
10:18 split
40K· 24.85 mi
4:02:52
Rank: #21509 (+23)
24M → 40K
10:25/mi
8:54 split
25.2M
4:06:36
Rank: #21488 (+21)
40K → 25.2M
10:50/mi
3:44 split
Finish· 26.22 mi
4:16:10
Rank: #21410 (+78)
25.2M → Finish
9:23/mi
9:34 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:50
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:10:20
Pace9:57 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4030:269:4830:26
9:48
-
10K
6.21 mi12:16:2359:099:3128:43
9:15
-0:33
15K
9.32 mi12:45:491:28:359:3029:26
9:28
+0:13
20K
12.43 mi13:16:371:59:239:3630:48
9:55
+0:27
Half
13.11 mi13:23:042:05:509:366:27
9:27
-0:28
25K
15.53 mi13:46:262:29:129:3623:22
9:38
+0:11
30K
18.64 mi14:16:462:59:329:3830:20
9:46
+0:08
20M
20.00 mi14:30:183:13:049:3913:32
9:58
+0:12
21M
21.00 mi14:40:373:23:239:4110:19
10:19
+0:21
35K
21.75 mi14:47:563:30:429:417:19
9:47
-0:32
23M
23.00 mi15:00:543:43:409:4312:58
10:21
+0:34
24M
24.00 mi15:11:123:53:589:4510:18
10:18
-0:03
40K
24.85 mi15:20:064:02:529:468:54
10:25
+0:07
25.2M
25.20 mi15:23:504:06:369:473:44
10:50
+0:25
Finish
26.22 mi15:33:244:16:109:479:34
9:23
-1:27

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

9:15 /mi

Average Pace

9:47 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:57

82% of race

Time at Steady Pace

46:13

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:46 /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 mi11:47:4030:269:4830:26
9:48
#22908
10K
6.21 mi12:16:2359:099:3128:43
9:15
#22375
15K
9.32 mi12:45:491:28:359:3029:26
9:28
#22330
20K
12.43 mi13:16:371:59:239:3630:48
9:55
#22416
Half
13.11 mi13:23:042:05:509:366:27
9:27
#22397
25K
15.53 mi13:46:262:29:129:3623:22
9:38
#22216
30K
18.64 mi14:16:462:59:329:3830:20
9:46
#21857
20M
20.00 mi14:30:183:13:049:3913:32
9:58
#21742
21M
21.00 mi14:40:373:23:239:4110:19
10:19
#21603
35K
21.75 mi14:47:563:30:429:417:19
9:47
#21567
23M
23.00 mi15:00:543:43:409:4312:58
10:21
#21535
24M
24.00 mi15:11:123:53:589:4510:18
10:18
#21532
40K
24.85 mi15:20:064:02:529:468:54
10:25
#21509
25.2M
25.20 mi15:23:504:06:369:473:44
10:50
#21488
Finish
26.22 mi15:33:244:16:109:479:34
9:23
#21410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi229089336933622177(Top 83%)8892(Top 78%)8892(Top 737%)
10K6.21 mi3.10 mi22375+5339036+3009036+30021762(Top 82%)8694(Top 76%)8694(Top 720%)
15K9.32 mi3.11 mi22330+459004+329004+3222177(Top 83%)8892(Top 78%)8892(Top 737%)
20K12.43 mi3.11 mi22416-869038-349038-3422690(Top 85%)9184(Top 80%)9184(Top 761%)
Half13.11 mi0.68 mi22397+199027+119027+1121995(Top 83%)8781(Top 77%)8781(Top 728%)
25K15.53 mi2.42 mi22216+1818951+768951+7621259(Top 80%)8415(Top 74%)8415(Top 697%)
30K18.64 mi3.11 mi21857+3598751+2008751+20020352(Top 76%)7971(Top 70%)7971(Top 660%)
20M20.00 mi1.36 mi21742+1158702+498702+4920383(Top 77%)8073(Top 71%)8073(Top 669%)
21M21.00 mi1.00 mi21603+1398633+698633+6919090(Top 72%)7395(Top 65%)7395(Top 613%)
35K21.75 mi0.75 mi21567+368620+138620+1320713(Top 78%)8344(Top 73%)8344(Top 691%)
23M23.00 mi1.25 mi21535+328618+28618+220971(Top 79%)8507(Top 74%)8507(Top 705%)
24M24.00 mi1.00 mi21532+38632-148632-1421572(Top 81%)8882(Top 78%)8882(Top 736%)
40K24.85 mi0.85 mi21509+238629+38629+321012(Top 79%)8611(Top 75%)8611(Top 713%)
25.2M25.20 mi0.35 mi21488+218627+28627+220082(Top 75%)8113(Top 71%)8113(Top 672%)
Finish26.22 mi1.02 mi21410+788595+328595+3219737(Top 74%)7861(Top 69%)7861(Top 651%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22177

Females

8892

F50-54

8892

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21762

Females

8694

F50-54

8694

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22177

Females

8892

F50-54

8892

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22690

Females

9184

F50-54

9184

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

21995

Females

8781

F50-54

8781

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21259

Females

8415

F50-54

8415

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20352

Females

7971

F50-54

7971

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20383

Females

8073

F50-54

8073

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19090

Females

7395

F50-54

7395

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20713

Females

8344

F50-54

8344

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20971

Females

8507

F50-54

8507

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21572

Females

8882

F50-54

8882

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21012

Females

8611

F50-54

8611

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20082

Females

8113

F50-54

8113

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19737

Females

7861

F50-54

7861

Passing Analysis

Category:
Athletes Passed
2117
Passed By
619
Net Change
+1498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22908
5K → 10K59562+533#22908#22375
10K → 15K178133+45#22375#22330
15K → 20K106192-86#22330#22416
20K → Half3314+19#22416#22397
Half → 25K20827+181#22397#22216
25K → 30K3678+359#22216#21857
30K → 20M13318+115#21857#21742
20M → 21M1445+139#21742#21603
21M → 35K5115+36#21603#21567
35K → 23M8048+32#21567#21535
23M → 24M4239+3#21535#21532
24M → 40K5431+23#21532#21509
40K → 25.2M3211+21#21509#21488
25.2M → Finish9416+78#21488#21410
TOTALS2117619+1498
📊

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