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BOSTON MARATHON 2023

Kay Weidman-Kernick

Bib: 24425•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F65-69)
#0 / 221
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:27
Rank: #22031
Start → 5K
29:27 | 9:29/mi
10K· 6.21 mi
58:22
Rank: #22029 (+2)
5K → 10K
28:55 | 9:18/mi
15K· 9.32 mi
1:27:37
Rank: #21989 (+40)
10K → 15K
29:15 | 9:25/mi
20K· 12.43 mi
1:57:52
Rank: #22057 (-68)
15K → 20K
30:15 | 9:44/mi
Half· 13.11 mi
2:04:26
Rank: #22080 (-23)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:28:35
Rank: #22071 (+9)
Half → 25K
24:09 | 9:58/mi
30K· 18.64 mi
2:59:56
Rank: #21929 (+142)
25K → 30K
31:21 | 10:05/mi
20M
3:14:07
Rank: #21895 (+34)
30K → 20M
14:11 | 10:26/mi
21M
3:25:15
Rank: #21858 (+37)
20M → 21M
11:08 | 11:08/mi
35K· 21.75 mi
3:32:33
Rank: #21825 (+33)
21M → 35K
7:18 | 9:45/mi
23M
3:45:16
Rank: #21732 (+93)
35K → 23M
12:43 | 10:09/mi
24M
3:54:58
Rank: #21661 (+71)
23M → 24M
9:42 | 9:42/mi
40K· 24.85 mi
4:03:39
Rank: #21621 (+40)
24M → 40K
8:41 | 10:09/mi
25.2M
4:07:34
Rank: #21614 (+7)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:17:41
Rank: #21605 (+9)
25.2M → Finish
10:07 | 9:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:26
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:13:15
Pace10:10 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5629:279:2929:27
9:29
-
10K
6.21 mi12:14:5158:229:2428:55
9:18
-0:11
15K
9.32 mi12:44:061:27:379:2429:15
9:25
+0:07
20K
12.43 mi13:14:211:57:529:2930:15
9:44
+0:19
Half
13.11 mi13:20:552:04:269:306:34
9:37
-0:07
25K
15.53 mi13:45:042:28:359:3424:09
9:58
+0:21
30K
18.64 mi14:16:252:59:569:3931:21
10:05
+0:07
20M
20.00 mi14:30:363:14:079:4214:11
10:26
+0:21
21M
21.00 mi14:41:443:25:159:4611:08
11:08
+0:42
35K
21.75 mi14:49:023:32:339:467:18
9:45
-1:23
23M
23.00 mi15:01:453:45:169:4812:43
10:09
+0:24
24M
24.00 mi15:11:273:54:589:479:42
9:42
-0:27
40K
24.85 mi15:20:084:03:399:488:41
10:09
+0:27
25.2M
25.20 mi15:24:034:07:349:493:55
11:21
+1:12
Finish
26.22 mi15:34:104:17:419:5010:07
9:56
-1:25

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

9:18 /mi

Average Pace

9:50 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:11

37% of race

Time at Steady Pace

2:14:16

52% of race

Time at Slower Pace

29:14

11% of race

Average Pace: 9:50 /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 mi11:45:5629:279:2929:27
9:29
#22031
10K
6.21 mi12:14:5158:229:2428:55
9:18
#22029
15K
9.32 mi12:44:061:27:379:2429:15
9:25
#21989
20K
12.43 mi13:14:211:57:529:2930:15
9:44
#22057
Half
13.11 mi13:20:552:04:269:306:34
9:37
#22080
25K
15.53 mi13:45:042:28:359:3424:09
9:58
#22071
30K
18.64 mi14:16:252:59:569:3931:21
10:05
#21929
20M
20.00 mi14:30:363:14:079:4214:11
10:26
#21895
21M
21.00 mi14:41:443:25:159:4611:08
11:08
#21858
35K
21.75 mi14:49:023:32:339:467:18
9:45
#21825
23M
23.00 mi15:01:453:45:169:4812:43
10:09
#21732
24M
24.00 mi15:11:273:54:589:479:42
9:42
#21661
40K
24.85 mi15:20:084:03:399:488:41
10:09
#21621
25.2M
25.20 mi15:24:034:07:349:493:55
11:21
#21614
Finish
26.22 mi15:34:104:17:419:5010:07
9:56
#21605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi220318895889522007(Top 83%)8792(Top 77%)8792(Top 3978%)
10K6.21 mi3.10 mi22029+28869+268869+2621965(Top 83%)8804(Top 77%)8804(Top 3984%)
15K9.32 mi3.11 mi21989+408833+368833+3622007(Top 83%)8792(Top 77%)8792(Top 3978%)
20K12.43 mi3.11 mi22057-688865-328865-3222255(Top 84%)8936(Top 78%)8936(Top 4043%)
Half13.11 mi0.68 mi22080-238873-88873-822462(Top 84%)9047(Top 79%)9047(Top 4094%)
25K15.53 mi2.42 mi22071+98863+108863+1022132(Top 83%)8909(Top 78%)8909(Top 4031%)
30K18.64 mi3.11 mi21929+1428801+628801+6221269(Top 80%)8500(Top 74%)8500(Top 3846%)
20M20.00 mi1.36 mi21895+348789+128789+1221596(Top 81%)8752(Top 77%)8752(Top 3960%)
21M21.00 mi1.00 mi21858+378774+158774+1521115(Top 79%)8522(Top 75%)8522(Top 3856%)
35K21.75 mi0.75 mi21825+338768+68768+620659(Top 78%)8311(Top 73%)8311(Top 3761%)
23M23.00 mi1.25 mi21732+938732+368732+3620465(Top 77%)8213(Top 72%)8213(Top 3716%)
24M24.00 mi1.00 mi21661+718704+288704+2819921(Top 75%)7933(Top 69%)7933(Top 3590%)
40K24.85 mi0.85 mi21621+408689+158689+1520396(Top 77%)8277(Top 72%)8277(Top 3745%)
25.2M25.20 mi0.35 mi21614+78693-48693-421281(Top 80%)8744(Top 77%)8744(Top 3957%)
Finish26.22 mi1.02 mi21605+98697-48697-421570(Top 81%)8891(Top 78%)8891(Top 4023%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22007

Females

8792

F65-69

8792

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

21965

Females

8804

F65-69

8804

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22007

Females

8792

F65-69

8792

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22255

Females

8936

F65-69

8936

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22462

Females

9047

F65-69

9047

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22132

Females

8909

F65-69

8909

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21269

Females

8500

F65-69

8500

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21596

Females

8752

F65-69

8752

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21115

Females

8522

F65-69

8522

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20659

Females

8311

F65-69

8311

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20465

Females

8213

F65-69

8213

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19921

Females

7933

F65-69

7933

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20396

Females

8277

F65-69

8277

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21281

Females

8744

F65-69

8744

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21570

Females

8891

F65-69

8891

Passing Analysis

Category:
Athletes Passed
1418
Passed By
992
Net Change
+426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22031
5K → 10K249247+2#22031#22029
10K → 15K194154+40#22029#21989
15K → 20K114182-68#21989#22057
20K → Half1740-23#22057#22080
Half → 25K10798+9#22080#22071
25K → 30K20967+142#22071#21929
30K → 20M8551+34#21929#21895
20M → 21M7740+37#21895#21858
21M → 35K429+33#21858#21825
35K → 23M11320+93#21825#21732
23M → 24M809+71#21732#21661
24M → 40K5919+40#21661#21621
40K → 25.2M3023+7#21621#21614
25.2M → Finish4233+9#21614#21605
TOTALS1418992+426
📊

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