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BOSTON MARATHON 2023

Kimberley Kudaishi

Bib: 19231•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:57
Rank: #18713
Start → 5K
26:57 | 8:40/mi
10K· 6.21 mi
53:48
Rank: #18864 (-151)
5K → 10K
26:51 | 8:39/mi
15K· 9.32 mi
1:20:44
Rank: #18821 (+43)
10K → 15K
26:56 | 8:40/mi
20K· 12.43 mi
1:47:38
Rank: #18586 (+235)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:53:30
Rank: #18564 (+22)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:14:51
Rank: #18466 (+98)
Half → 25K
21:21 | 8:48/mi
30K· 18.64 mi
2:42:47
Rank: #18174 (+292)
25K → 30K
27:56 | 8:59/mi
20M
2:55:07
Rank: #18073 (+101)
30K → 20M
12:20 | 9:05/mi
21M
3:04:25
Rank: #17877 (+196)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:10:52
Rank: #17792 (+85)
21M → 35K
6:27 | 8:37/mi
23M
3:21:51
Rank: #17621 (+171)
35K → 23M
10:59 | 8:46/mi
24M
3:30:14
Rank: #17452 (+169)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:37:22
Rank: #17263 (+189)
24M → 40K
7:08 | 8:21/mi
25.2M
3:40:24
Rank: #17183 (+80)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:48:30
Rank: #16980 (+203)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:30
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:55:00
Pace8:46 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3126:578:4026:57
8:40
-
10K
6.21 mi11:45:2253:488:3926:51
8:39
-0:01
15K
9.32 mi12:12:181:20:448:4026:56
8:40
+0:01
20K
12.43 mi12:39:121:47:388:4026:54
8:39
-0:01
Half
13.11 mi12:45:041:53:308:395:52
8:36
-0:03
25K
15.53 mi13:06:252:14:518:4121:21
8:48
+0:12
30K
18.64 mi13:34:212:42:478:4427:56
8:59
+0:11
20M
20.00 mi13:46:412:55:078:4512:20
9:05
+0:06
21M
21.00 mi13:55:593:04:258:479:18
9:18
+0:13
35K
21.75 mi14:02:263:10:528:476:27
8:37
-0:41
23M
23.00 mi14:13:253:21:518:4710:59
8:46
+0:09
24M
24.00 mi14:21:483:30:148:468:23
8:23
-0:23
40K
24.85 mi14:28:563:37:228:457:08
8:21
-0:02
25.2M
25.20 mi14:31:583:40:248:453:02
8:48
+0:27
Finish
26.22 mi14:40:043:48:308:438:06
7:57
-0:51

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

7:57 /mi

Average Pace

8:43 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:34

63% of race

Time at Steady Pace

1:24:56

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:18:3126:578:4026:57
8:40
#18713
10K
6.21 mi11:45:2253:488:3926:51
8:39
#18864
15K
9.32 mi12:12:181:20:448:4026:56
8:40
#18821
20K
12.43 mi12:39:121:47:388:4026:54
8:39
#18586
Half
13.11 mi12:45:041:53:308:395:52
8:36
#18564
25K
15.53 mi13:06:252:14:518:4121:21
8:48
#18466
30K
18.64 mi13:34:212:42:478:4427:56
8:59
#18174
20M
20.00 mi13:46:412:55:078:4512:20
9:05
#18073
21M
21.00 mi13:55:593:04:258:479:18
9:18
#17877
35K
21.75 mi14:02:263:10:528:476:27
8:37
#17792
23M
23.00 mi14:13:253:21:518:4710:59
8:46
#17621
24M
24.00 mi14:21:483:30:148:468:23
8:23
#17452
40K
24.85 mi14:28:563:37:228:457:08
8:21
#17263
25.2M
25.20 mi14:31:583:40:248:453:02
8:48
#17183
Finish
26.22 mi14:40:043:48:308:438:06
7:57
#16980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi187137009700918835(Top 71%)6998(Top 61%)6998(Top 373%)
10K6.21 mi3.10 mi18864-1517051-427051-4219100(Top 72%)7139(Top 62%)7139(Top 380%)
15K9.32 mi3.11 mi18821+437019+327019+3218835(Top 71%)6998(Top 61%)6998(Top 373%)
20K12.43 mi3.11 mi18586+2356857+1626857+16217869(Top 67%)6434(Top 56%)6434(Top 343%)
Half13.11 mi0.68 mi18564+226843+146843+1418332(Top 69%)6667(Top 58%)6667(Top 355%)
25K15.53 mi2.42 mi18466+986811+326811+3217995(Top 68%)6548(Top 57%)6548(Top 349%)
30K18.64 mi3.11 mi18174+2926674+1376674+13717126(Top 64%)6140(Top 54%)6140(Top 327%)
20M20.00 mi1.36 mi18073+1016630+446630+4416941(Top 64%)6121(Top 54%)6121(Top 326%)
21M21.00 mi1.00 mi17877+1966518+1126518+11215015(Top 56%)5069(Top 44%)5069(Top 270%)
35K21.75 mi0.75 mi17792+856476+426476+4216017(Top 60%)5707(Top 50%)5707(Top 304%)
23M23.00 mi1.25 mi17621+1716391+856391+8514857(Top 56%)5100(Top 45%)5100(Top 272%)
24M24.00 mi1.00 mi17452+1696296+956296+9513821(Top 52%)4579(Top 40%)4579(Top 244%)
40K24.85 mi0.85 mi17263+1896207+896207+8912397(Top 47%)3897(Top 34%)3897(Top 208%)
25.2M25.20 mi0.35 mi17183+806165+426165+4211451(Top 43%)3463(Top 30%)3463(Top 184%)
Finish26.22 mi1.02 mi16980+2036070+956070+9511798(Top 44%)3618(Top 32%)3618(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18835

Females

6998

F40-44

6998

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19100

Females

7139

F40-44

7139

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18835

Females

6998

F40-44

6998

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17869

Females

6434

F40-44

6434

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18332

Females

6667

F40-44

6667

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17995

Females

6548

F40-44

6548

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17126

Females

6140

F40-44

6140

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16941

Females

6121

F40-44

6121

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15015

Females

5069

F40-44

5069

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16017

Females

5707

F40-44

5707

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14857

Females

5100

F40-44

5100

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13821

Females

4579

F40-44

4579

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12397

Females

3897

F40-44

3897

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11451

Females

3463

F40-44

3463

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11798

Females

3618

F40-44

3618

Passing Analysis

Category:
Athletes Passed
2616
Passed By
883
Net Change
+1733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18713
5K → 10K270421-151#18713#18864
10K → 15K208165+43#18864#18821
15K → 20K29156+235#18821#18586
20K → Half4220+22#18586#18564
Half → 25K17173+98#18564#18466
25K → 30K34149+292#18466#18174
30K → 20M13736+101#18174#18073
20M → 21M21115+196#18073#17877
21M → 35K9611+85#17877#17792
35K → 23M19221+171#17792#17621
23M → 24M1745+169#17621#17452
24M → 40K1945+189#17452#17263
40K → 25.2M811+80#17263#17183
25.2M → Finish2085+203#17183#16980
TOTALS2616883+1733
📊

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