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BOSTON MARATHON 2023

Zhanar Kamalova

Bib: 20183•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
23:16
Rank: #9553
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
47:40
Rank: #11549 (-1996)
5K → 10K
24:24 | 7:51/mi
15K· 9.32 mi
1:12:47
Rank: #12776 (-1227)
10K → 15K
25:07 | 8:05/mi
20K· 12.43 mi
1:39:27
Rank: #14133 (-1357)
15K → 20K
26:40 | 8:35/mi
Half· 13.11 mi
1:45:18
Rank: #14350 (-217)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:07:14
Rank: #15291 (-941)
Half → 25K
21:56 | 9:03/mi
30K· 18.64 mi
2:36:51
Rank: #16243 (-952)
25K → 30K
29:37 | 9:32/mi
20M
2:52:45
Rank: #17355 (-1112)
30K → 20M
15:54 | 11:42/mi
21M
3:04:04
Rank: #17771 (-416)
20M → 21M
11:19 | 11:19/mi
35K· 21.75 mi
3:10:57
Rank: #17826 (-55)
21M → 35K
6:53 | 9:12/mi
23M
3:23:06
Rank: #17954 (-128)
35K → 23M
12:09 | 9:42/mi
24M
3:32:28
Rank: #18000 (-46)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:41:18
Rank: #18168 (-168)
24M → 40K
8:50 | 10:20/mi
25.2M
3:45:05
Rank: #18235 (-67)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:54:38
Rank: #18303 (-68)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:09:20
Pace9:52 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2023:167:2923:16
7:29
-
10K
6.21 mi11:37:4447:407:4024:24
7:51
+0:22
15K
9.32 mi12:02:511:12:477:4925:07
8:05
+0:14
20K
12.43 mi12:29:311:39:278:0026:40
8:35
+0:30
Half
13.11 mi12:35:221:45:188:025:51
8:34
-0:01
25K
15.53 mi12:57:182:07:148:1121:56
9:03
+0:29
30K
18.64 mi13:26:552:36:518:2529:37
9:32
+0:29
20M
20.00 mi13:42:492:52:458:3815:54
11:42
+2:10
21M
21.00 mi13:54:083:04:048:4611:19
11:19
-0:23
35K
21.75 mi14:01:013:10:578:476:53
9:12
-2:07
23M
23.00 mi14:13:103:23:068:5012:09
9:42
+0:30
24M
24.00 mi14:22:323:32:288:519:22
9:22
-0:20
40K
24.85 mi14:31:223:41:188:548:50
10:20
+0:58
25.2M
25.20 mi14:35:093:45:058:563:47
10:58
+0:38
Finish
26.22 mi14:44:423:54:388:579:33
9:22
-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

7:29 /mi

Average Pace

8:57 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:18

45% of race

Time at Steady Pace

1:29:30

38% of race

Time at Slower Pace

39:50

17% of race

Average Pace: 8:57 /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 mi11:13:2023:167:2923:16
7:29
#9553
10K
6.21 mi11:37:4447:407:4024:24
7:51
#11549
15K
9.32 mi12:02:511:12:477:4925:07
8:05
#12776
20K
12.43 mi12:29:311:39:278:0026:40
8:35
#14133
Half
13.11 mi12:35:221:45:188:025:51
8:34
#14350
25K
15.53 mi12:57:182:07:148:1121:56
9:03
#15291
30K
18.64 mi13:26:552:36:518:2529:37
9:32
#16243
20M
20.00 mi13:42:492:52:458:3815:54
11:42
#17355
21M
21.00 mi13:54:083:04:048:4611:19
11:19
#17771
35K
21.75 mi14:01:013:10:578:476:53
9:12
#17826
23M
23.00 mi14:13:103:23:068:5012:09
9:42
#17954
24M
24.00 mi14:22:323:32:288:519:22
9:22
#18000
40K
24.85 mi14:31:223:41:188:548:50
10:20
#18168
25.2M
25.20 mi14:35:093:45:058:563:47
10:58
#18235
Finish
26.22 mi14:44:423:54:388:579:33
9:22
#18303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi95531646164615078(Top 57%)4722(Top 41%)4722(Top 251%)
10K6.21 mi3.10 mi11549-19962632-9862632-98613614(Top 51%)3803(Top 33%)3803(Top 203%)
15K9.32 mi3.11 mi12776-12273325-6933325-69315078(Top 57%)4722(Top 41%)4722(Top 251%)
20K12.43 mi3.11 mi14133-13574166-8414166-84117397(Top 65%)6168(Top 54%)6168(Top 328%)
Half13.11 mi0.68 mi14350-2174289-1234289-12318240(Top 69%)6635(Top 58%)6635(Top 353%)
25K15.53 mi2.42 mi15291-9414893-6044893-60419189(Top 72%)7235(Top 63%)7235(Top 385%)
30K18.64 mi3.11 mi16243-9525531-6385531-63819551(Top 73%)7502(Top 66%)7502(Top 399%)
20M20.00 mi1.36 mi17355-11126190-6596190-65923813(Top 89%)9971(Top 87%)9971(Top 531%)
21M21.00 mi1.00 mi17771-4166453-2636453-26321518(Top 81%)8742(Top 77%)8742(Top 465%)
35K21.75 mi0.75 mi17826-556497-446497-4418751(Top 70%)7241(Top 63%)7241(Top 386%)
23M23.00 mi1.25 mi17954-1286589-926589-9219096(Top 72%)7458(Top 65%)7458(Top 397%)
24M24.00 mi1.00 mi18000-466629-406629-4018727(Top 70%)7290(Top 64%)7290(Top 388%)
40K24.85 mi0.85 mi18168-1686735-1066735-10620823(Top 78%)8499(Top 74%)8499(Top 453%)
25.2M25.20 mi0.35 mi18235-676780-456780-4520403(Top 77%)8260(Top 72%)8260(Top 440%)
Finish26.22 mi1.02 mi18303-686822-426822-4219664(Top 74%)7810(Top 68%)7810(Top 416%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15078

Females

4722

F40-44

4722

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13614

Females

3803

F40-44

3803

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15078

Females

4722

F40-44

4722

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17397

Females

6168

F40-44

6168

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18240

Females

6635

F40-44

6635

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19189

Females

7235

F40-44

7235

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19551

Females

7502

F40-44

7502

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23813

Females

9971

F40-44

9971

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21518

Females

8742

F40-44

8742

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18751

Females

7241

F40-44

7241

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19096

Females

7458

F40-44

7458

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18727

Females

7290

F40-44

7290

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20823

Females

8499

F40-44

8499

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20403

Females

8260

F40-44

8260

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19664

Females

7810

F40-44

7810

Passing Analysis

Category:
Athletes Passed
298
Passed By
9046
Net Change
-8750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9553
5K → 10K162010-1996#9553#11549
10K → 15K151242-1227#11549#12776
15K → 20K211378-1357#12776#14133
20K → Half3220-217#14133#14350
Half → 25K19960-941#14350#15291
25K → 30K31983-952#15291#16243
30K → 20M51117-1112#16243#17355
20M → 21M12428-416#17355#17771
21M → 35K3792-55#17771#17826
35K → 23M52180-128#17826#17954
23M → 24M3379-46#17954#18000
24M → 40K18186-168#18000#18168
40K → 25.2M1279-67#18168#18235
25.2M → Finish2492-68#18235#18303
TOTALS2989046-8750
📊

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