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BOSTON MARATHON 2023

Nadiya Sergeeva

Bib: 29223•F

NY

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
27:39
Rank: #19993
Start → 5K
27:39 | 8:54/mi
10K· 6.21 mi
55:47
Rank: #20547 (-554)
5K → 10K
28:08 | 9:03/mi
15K· 9.32 mi
1:23:47
Rank: #20518 (+29)
10K → 15K
28:00 | 9:01/mi
20K· 12.43 mi
1:51:56
Rank: #20397 (+121)
15K → 20K
28:09 | 9:04/mi
Half· 13.11 mi
1:58:07
Rank: #20416 (-19)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:19:54
Rank: #20142 (+274)
Half → 25K
21:47 | 8:59/mi
30K· 18.64 mi
2:48:44
Rank: #19833 (+309)
25K → 30K
28:50 | 9:17/mi
20M
3:01:04
Rank: #19618 (+215)
30K → 20M
12:20 | 9:05/mi
21M
3:10:51
Rank: #19460 (+158)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:17:15
Rank: #19334 (+126)
21M → 35K
6:24 | 8:33/mi
23M
3:28:56
Rank: #19224 (+110)
35K → 23M
11:41 | 9:20/mi
24M
3:37:55
Rank: #19130 (+94)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:46:09
Rank: #19134 (-4)
24M → 40K
8:14 | 9:38/mi
25.2M
3:49:38
Rank: #19117 (+17)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:59:04
Rank: #19151 (-34)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:07
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:00:57
Pace9:14 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4527:398:5427:39
8:54
-
10K
6.21 mi12:20:5355:478:5928:08
9:03
+0:09
15K
9.32 mi12:48:531:23:478:5928:00
9:01
-0:02
20K
12.43 mi13:17:021:51:569:0028:09
9:04
+0:03
Half
13.11 mi13:23:131:58:079:016:11
9:04
0:00
25K
15.53 mi13:45:002:19:549:0021:47
8:59
-0:05
30K
18.64 mi14:13:502:48:449:0328:50
9:17
+0:18
20M
20.00 mi14:26:103:01:049:0312:20
9:05
-0:12
21M
21.00 mi14:35:573:10:519:059:47
9:47
+0:42
35K
21.75 mi14:42:213:17:159:046:24
8:33
-1:14
23M
23.00 mi14:54:023:28:569:0511:41
9:20
+0:47
24M
24.00 mi15:03:013:37:559:058:59
8:59
-0:21
40K
24.85 mi15:11:153:46:099:068:14
9:38
+0:39
25.2M
25.20 mi15:14:443:49:389:073:29
10:06
+0:28
Finish
26.22 mi15:24:103:59:049:079:26
9:15
-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

8:33 /mi

Average Pace

9:07 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:34

91% of race

Time at Steady Pace

18:01

8% of race

Time at Slower Pace

3:29

1% of race

Average Pace: 9:07 /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 mi11:52:4527:398:5427:39
8:54
#19993
10K
6.21 mi12:20:5355:478:5928:08
9:03
#20547
15K
9.32 mi12:48:531:23:478:5928:00
9:01
#20518
20K
12.43 mi13:17:021:51:569:0028:09
9:04
#20397
Half
13.11 mi13:23:131:58:079:016:11
9:04
#20416
25K
15.53 mi13:45:002:19:549:0021:47
8:59
#20142
30K
18.64 mi14:13:502:48:449:0328:50
9:17
#19833
20M
20.00 mi14:26:103:01:049:0312:20
9:05
#19618
21M
21.00 mi14:35:573:10:519:059:47
9:47
#19460
35K
21.75 mi14:42:213:17:159:046:24
8:33
#19334
23M
23.00 mi14:54:023:28:569:0511:41
9:20
#19224
24M
24.00 mi15:03:013:37:559:058:59
8:59
#19130
40K
24.85 mi15:11:153:46:099:068:14
9:38
#19134
25.2M
25.20 mi15:14:443:49:389:073:29
10:06
#19117
Finish
26.22 mi15:24:103:59:049:079:26
9:15
#19151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi199937813781320562(Top 77%)7990(Top 70%)7990(Top 425%)
10K6.21 mi3.10 mi20547-5548061-2488061-24821091(Top 79%)8317(Top 73%)8317(Top 443%)
15K9.32 mi3.11 mi20518+298023+388023+3820562(Top 77%)7990(Top 70%)7990(Top 425%)
20K12.43 mi3.11 mi20397+1217942+817942+8119972(Top 75%)7662(Top 67%)7662(Top 408%)
Half13.11 mi0.68 mi20416-197949-77949-720699(Top 78%)8061(Top 71%)8061(Top 429%)
25K15.53 mi2.42 mi20142+2747784+1657784+16518885(Top 71%)7068(Top 62%)7068(Top 376%)
30K18.64 mi3.11 mi19833+3097634+1507634+15018541(Top 70%)6947(Top 61%)6947(Top 370%)
20M20.00 mi1.36 mi19618+2157513+1217513+12116966(Top 64%)6146(Top 54%)6146(Top 327%)
21M21.00 mi1.00 mi19460+1587439+747439+7417227(Top 65%)6327(Top 55%)6327(Top 337%)
35K21.75 mi0.75 mi19334+1267370+697370+6915662(Top 59%)5521(Top 48%)5521(Top 294%)
23M23.00 mi1.25 mi19224+1107306+647306+6417683(Top 66%)6681(Top 58%)6681(Top 356%)
24M24.00 mi1.00 mi19130+947268+387268+3817183(Top 65%)6462(Top 57%)6462(Top 344%)
40K24.85 mi0.85 mi19134-47275-77275-718816(Top 71%)7389(Top 65%)7389(Top 393%)
25.2M25.20 mi0.35 mi19117+177271+47271+417831(Top 67%)6881(Top 60%)6881(Top 366%)
Finish26.22 mi1.02 mi19151-347294-237294-2319194(Top 72%)7548(Top 66%)7548(Top 402%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20562

Females

7990

F40-44

7990

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

21091

Females

8317

F40-44

8317

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20562

Females

7990

F40-44

7990

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19972

Females

7662

F40-44

7662

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20699

Females

8061

F40-44

8061

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18885

Females

7068

F40-44

7068

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18541

Females

6947

F40-44

6947

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16966

Females

6146

F40-44

6146

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17227

Females

6327

F40-44

6327

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15662

Females

5521

F40-44

5521

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17683

Females

6681

F40-44

6681

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

17183

Females

6462

F40-44

6462

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18816

Females

7389

F40-44

7389

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17831

Females

6881

F40-44

6881

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19194

Females

7548

F40-44

7548

Passing Analysis

Category:
Athletes Passed
2030
Passed By
1188
Net Change
+842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19993
5K → 10K104658-554#19993#20547
10K → 15K184155+29#20547#20518
15K → 20K21594+121#20518#20397
20K → Half2140-19#20397#20416
Half → 25K29319+274#20416#20142
25K → 30K34233+309#20142#19833
30K → 20M2183+215#19833#19618
20M → 21M1679+158#19618#19460
21M → 35K1293+126#19460#19334
35K → 23M13222+110#19334#19224
23M → 24M11016+94#19224#19130
24M → 40K5054-4#19130#19134
40K → 25.2M3215+17#19134#19117
25.2M → Finish3367-34#19117#19151
TOTALS20301188+842
📊

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