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BOSTON MARATHON 2023

Erica Bynarowicz

Bib: 24607•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:49
Rank: #24863
Start → 5K
32:49 | 10:34/mi
10K· 6.21 mi
1:08:02
Rank: #25515 (-652)
5K → 10K
35:13 | 11:20/mi
15K· 9.32 mi
1:40:58
Rank: #25188 (+327)
10K → 15K
32:56 | 10:36/mi
20K· 12.43 mi
2:14:18
Rank: #24933 (+255)
15K → 20K
33:20 | 10:44/mi
Half· 13.11 mi
2:21:30
Rank: #24902 (+31)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:48:15
Rank: #24749 (+153)
Half → 25K
26:45 | 11:02/mi
30K· 18.64 mi
3:23:04
Rank: #24514 (+235)
25K → 30K
34:49 | 11:12/mi
20M
3:39:19
Rank: #24484 (+30)
30K → 20M
16:15 | 11:57/mi
21M
3:50:45
Rank: #24335 (+149)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:58:53
Rank: #24290 (+45)
21M → 35K
8:08 | 10:52/mi
23M
4:13:08
Rank: #24234 (+56)
35K → 23M
14:15 | 11:23/mi
24M
4:24:24
Rank: #24221 (+13)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:34:05
Rank: #24156 (+65)
24M → 40K
9:41 | 11:20/mi
25.2M
4:38:18
Rank: #24144 (+12)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:49:15
Rank: #24127 (+17)
25.2M → Finish
10:57 | 10:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:30
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time2:27:45
Pace11:16 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1132:4910:3432:49
10:34
-
10K
6.21 mi12:29:241:08:0210:5735:13
11:20
+0:46
15K
9.32 mi13:02:201:40:5810:5032:56
10:36
-0:44
20K
12.43 mi13:35:402:14:1810:4833:20
10:44
+0:08
Half
13.11 mi13:42:522:21:3010:487:12
10:33
-0:11
25K
15.53 mi14:09:372:48:1510:5026:45
11:02
+0:29
30K
18.64 mi14:44:263:23:0410:5434:49
11:12
+0:10
20M
20.00 mi15:00:413:39:1910:5816:15
11:57
+0:45
21M
21.00 mi15:12:073:50:4510:5911:26
11:26
-0:31
35K
21.75 mi15:20:153:58:5310:598:08
10:52
-0:34
23M
23.00 mi15:34:304:13:0811:0014:15
11:23
+0:31
24M
24.00 mi15:45:464:24:2411:0111:16
11:16
-0:07
40K
24.85 mi15:55:274:34:0511:029:41
11:20
+0:04
25.2M
25.20 mi15:59:404:38:1811:034:13
12:14
+0:54
Finish
26.22 mi16:10:374:49:1511:0210:57
10:45
-1:29

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

10:33 /mi

Average Pace

11:02 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:28:47

93% of race

Time at Steady Pace

20:28

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:02 /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 mi11:54:1132:4910:3432:49
10:34
#24863
10K
6.21 mi12:29:241:08:0210:5735:13
11:20
#25515
15K
9.32 mi13:02:201:40:5810:5032:56
10:36
#25188
20K
12.43 mi13:35:402:14:1810:4833:20
10:44
#24933
Half
13.11 mi13:42:522:21:3010:487:12
10:33
#24902
25K
15.53 mi14:09:372:48:1510:5026:45
11:02
#24749
30K
18.64 mi14:44:263:23:0410:5434:49
11:12
#24514
20M
20.00 mi15:00:413:39:1910:5816:15
11:57
#24484
21M
21.00 mi15:12:073:50:4510:5911:26
11:26
#24335
35K
21.75 mi15:20:153:58:5310:598:08
10:52
#24290
23M
23.00 mi15:34:304:13:0811:0014:15
11:23
#24234
24M
24.00 mi15:45:464:24:2411:0111:16
11:16
#24221
40K
24.85 mi15:55:274:34:0511:029:41
11:20
#24156
25.2M
25.20 mi15:59:404:38:1811:034:13
12:14
#24144
Finish
26.22 mi16:10:374:49:1511:0210:57
10:45
#24127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24863103651036524637(Top 93%)10252(Top 90%)10252(Top 210%)
10K6.21 mi3.10 mi25515-65210747-38210747-38225831(Top 97%)10932(Top 96%)10932(Top 224%)
15K9.32 mi3.11 mi25188+32710546+20110546+20124637(Top 93%)10252(Top 90%)10252(Top 210%)
20K12.43 mi3.11 mi24933+25510418+12810418+12824221(Top 91%)10045(Top 88%)10045(Top 206%)
Half13.11 mi0.68 mi24902+3110404+1410404+1424312(Top 91%)10105(Top 88%)10105(Top 207%)
25K15.53 mi2.42 mi24749+15310329+7510329+7524033(Top 90%)9970(Top 87%)9970(Top 204%)
30K18.64 mi3.11 mi24514+23510212+11710212+11723429(Top 88%)9699(Top 85%)9699(Top 199%)
20M20.00 mi1.36 mi24484+3010204+810204+824157(Top 91%)10161(Top 89%)10161(Top 208%)
21M21.00 mi1.00 mi24335+14910129+7510129+7521781(Top 82%)8880(Top 78%)8880(Top 182%)
35K21.75 mi0.75 mi24290+4510118+1110118+1123089(Top 87%)9643(Top 84%)9643(Top 197%)
23M23.00 mi1.25 mi24234+5610092+2610092+2623044(Top 87%)9616(Top 84%)9616(Top 197%)
24M24.00 mi1.00 mi24221+1310091+110091+123544(Top 88%)9919(Top 87%)9919(Top 203%)
40K24.85 mi0.85 mi24156+6510064+2710064+2722938(Top 86%)9632(Top 84%)9632(Top 197%)
25.2M25.20 mi0.35 mi24144+1210061+310061+322899(Top 86%)9612(Top 84%)9612(Top 197%)
Finish26.22 mi1.02 mi24127+1710059+210059+223510(Top 88%)9914(Top 87%)9914(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24637

Females

10252

F18-39

10252

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25831

Females

10932

F18-39

10932

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24637

Females

10252

F18-39

10252

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24221

Females

10045

F18-39

10045

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24312

Females

10105

F18-39

10105

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24033

Females

9970

F18-39

9970

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23429

Females

9699

F18-39

9699

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24157

Females

10161

F18-39

10161

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21781

Females

8880

F18-39

8880

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23089

Females

9643

F18-39

9643

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23044

Females

9616

F18-39

9616

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23544

Females

9919

F18-39

9919

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22938

Females

9632

F18-39

9632

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22899

Females

9612

F18-39

9612

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23510

Females

9914

F18-39

9914

Passing Analysis

Category:
Athletes Passed
1556
Passed By
820
Net Change
+736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24863
5K → 10K21673-652#24863#25515
10K → 15K3347+327#25515#25188
15K → 20K27217+255#25188#24933
20K → Half321+31#24933#24902
Half → 25K16714+153#24902#24749
25K → 30K24611+235#24749#24514
30K → 20M5424+30#24514#24484
20M → 21M1545+149#24484#24335
21M → 35K516+45#24335#24290
35K → 23M7115+56#24290#24234
23M → 24M2916+13#24234#24221
24M → 40K705+65#24221#24156
40K → 25.2M197+12#24156#24144
25.2M → Finish3619+17#24144#24127
TOTALS1556820+736
📊

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