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BOSTON MARATHON 2023

Maria Nowak

Bib: 27974•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
29:32
Rank: #22109
Start → 5K
29:32 | 9:30/mi
10K· 6.21 mi
58:46
Rank: #22229 (-120)
5K → 10K
29:14 | 9:25/mi
15K· 9.32 mi
1:30:31
Rank: #22921 (-692)
10K → 15K
31:45 | 10:13/mi
20K· 12.43 mi
2:02:30
Rank: #23095 (-174)
15K → 20K
31:59 | 10:18/mi
Half· 13.11 mi
2:09:14
Rank: #23066 (+29)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:34:15
Rank: #23019 (+47)
Half → 25K
25:01 | 10:19/mi
30K· 18.64 mi
3:10:43
Rank: #23300 (-281)
25K → 30K
36:28 | 11:44/mi
20M
3:25:17
Rank: #23208 (+92)
30K → 20M
14:34 | 10:43/mi
21M
3:37:09
Rank: #23182 (+26)
20M → 21M
11:52 | 11:52/mi
35K· 21.75 mi
3:45:28
Rank: #23184 (-2)
21M → 35K
8:19 | 11:07/mi
23M
3:58:34
Rank: #23079 (+105)
35K → 23M
13:06 | 10:28/mi
24M
4:09:02
Rank: #23018 (+61)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
4:17:48
Rank: #22935 (+83)
24M → 40K
8:46 | 10:15/mi
25.2M
4:22:10
Rank: #22937 (-2)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
4:32:42
Rank: #22940 (-3)
25.2M → Finish
10:32 | 10:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:14
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:23:28
Pace10:57 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3529:329:3029:32
9:30
-
10K
6.21 mi12:15:4958:469:2729:14
9:25
-0:05
15K
9.32 mi12:47:341:30:319:4331:45
10:13
+0:48
20K
12.43 mi13:19:332:02:309:5131:59
10:18
+0:05
Half
13.11 mi13:26:172:09:149:516:44
9:52
-0:26
25K
15.53 mi13:51:182:34:159:5625:01
10:19
+0:27
30K
18.64 mi14:27:463:10:4310:1436:28
11:44
+1:25
20M
20.00 mi14:42:203:25:1710:1614:34
10:43
-1:01
21M
21.00 mi14:54:123:37:0910:2011:52
11:52
+1:09
35K
21.75 mi15:02:313:45:2810:228:19
11:07
-0:45
23M
23.00 mi15:15:373:58:3410:2213:06
10:28
-0:39
24M
24.00 mi15:26:054:09:0210:2310:28
10:28
0:00
40K
24.85 mi15:34:514:17:4810:228:46
10:15
-0:13
25.2M
25.20 mi15:39:134:22:1010:244:22
12:40
+2:25
Finish
26.22 mi15:49:454:32:4210:2510:32
10:20
-2:20

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

9:25 /mi

Average Pace

10:25 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:30

24% of race

Time at Steady Pace

2:26:11

54% of race

Time at Slower Pace

1:01:01

22% of race

Average Pace: 10:24 /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 mi11:46:3529:329:3029:32
9:30
#22109
10K
6.21 mi12:15:4958:469:2729:14
9:25
#22229
15K
9.32 mi12:47:341:30:319:4331:45
10:13
#22921
20K
12.43 mi13:19:332:02:309:5131:59
10:18
#23095
Half
13.11 mi13:26:172:09:149:516:44
9:52
#23066
25K
15.53 mi13:51:182:34:159:5625:01
10:19
#23019
30K
18.64 mi14:27:463:10:4310:1436:28
11:44
#23300
20M
20.00 mi14:42:203:25:1710:1614:34
10:43
#23208
21M
21.00 mi14:54:123:37:0910:2011:52
11:52
#23182
35K
21.75 mi15:02:313:45:2810:228:19
11:07
#23184
23M
23.00 mi15:15:373:58:3410:2213:06
10:28
#23079
24M
24.00 mi15:26:054:09:0210:2310:28
10:28
#23018
40K
24.85 mi15:34:514:17:4810:228:46
10:15
#22935
25.2M
25.20 mi15:39:134:22:1010:244:22
12:40
#22937
Finish
26.22 mi15:49:454:32:4210:2510:32
10:20
#22940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi221098934893423922(Top 90%)9855(Top 86%)9855(Top 525%)
10K6.21 mi3.10 mi22229-1208965-318965-3122242(Top 84%)8948(Top 78%)8948(Top 476%)
15K9.32 mi3.11 mi22921-6929311-3469311-34623922(Top 90%)9855(Top 86%)9855(Top 525%)
20K12.43 mi3.11 mi23095-1749398-879398-8723462(Top 88%)9604(Top 84%)9604(Top 511%)
Half13.11 mi0.68 mi23066+299386+129386+1223039(Top 87%)9372(Top 82%)9372(Top 499%)
25K15.53 mi2.42 mi23019+479368+189368+1822884(Top 86%)9321(Top 82%)9321(Top 496%)
30K18.64 mi3.11 mi23300-2819540-1729540-17224178(Top 91%)10110(Top 89%)10110(Top 538%)
20M20.00 mi1.36 mi23208+929504+369504+3622207(Top 83%)9100(Top 80%)9100(Top 485%)
21M21.00 mi1.00 mi23182+269500+49500+422530(Top 85%)9297(Top 81%)9297(Top 495%)
35K21.75 mi0.75 mi23184-29510-109510-1023515(Top 88%)9880(Top 86%)9880(Top 526%)
23M23.00 mi1.25 mi23079+1059465+459465+4521241(Top 80%)8651(Top 76%)8651(Top 461%)
24M24.00 mi1.00 mi23018+619449+169449+1621982(Top 83%)9091(Top 80%)9091(Top 484%)
40K24.85 mi0.85 mi22935+839408+419408+4120646(Top 78%)8418(Top 74%)8418(Top 448%)
25.2M25.20 mi0.35 mi22937-29410-29410-223540(Top 88%)9946(Top 87%)9946(Top 530%)
Finish26.22 mi1.02 mi22940-39419-99419-922661(Top 85%)9483(Top 83%)9483(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23922

Females

9855

F40-44

9855

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22242

Females

8948

F40-44

8948

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23922

Females

9855

F40-44

9855

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23462

Females

9604

F40-44

9604

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23039

Females

9372

F40-44

9372

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22884

Females

9321

F40-44

9321

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24178

Females

10110

F40-44

10110

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22207

Females

9100

F40-44

9100

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22530

Females

9297

F40-44

9297

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23515

Females

9880

F40-44

9880

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21241

Females

8651

F40-44

8651

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21982

Females

9091

F40-44

9091

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20646

Females

8418

F40-44

8418

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23540

Females

9946

F40-44

9946

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22661

Females

9483

F40-44

9483

Passing Analysis

Category:
Athletes Passed
1012
Passed By
1843
Net Change
-831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22109
5K → 10K187307-120#22109#22229
10K → 15K25717-692#22229#22921
15K → 20K84258-174#22921#23095
20K → Half4415+29#23095#23066
Half → 25K11164+47#23066#23019
25K → 30K47328-281#23019#23300
30K → 20M10715+92#23300#23208
20M → 21M5933+26#23208#23182
21M → 35K2931-2#23182#23184
35K → 23M11510+105#23184#23079
23M → 24M7413+61#23079#23018
24M → 40K885+83#23018#22935
40K → 25.2M1113-2#22935#22937
25.2M → Finish3134-3#22937#22940
TOTALS10121843-831
📊

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