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BOSTON MARATHON 2023

Maria Buchbinder

Bib: 9899•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #5164
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:34
Rank: #5438 (-274)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:04:00
Rank: #5607 (-169)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:25:33
Rank: #5590 (+17)
15K → 20K
21:33 | 6:56/mi
Half· 13.11 mi
1:30:13
Rank: #5591 (-1)
20K → Half
4:40 | 6:51/mi
25K· 15.53 mi
1:46:50
Rank: #5429 (+162)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:08:45
Rank: #5238 (+191)
25K → 30K
21:55 | 7:03/mi
20M
2:18:23
Rank: #5143 (+95)
30K → 20M
9:38 | 7:05/mi
21M
2:25:57
Rank: #5089 (+54)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:30:58
Rank: #5027 (+62)
21M → 35K
5:01 | 6:42/mi
23M
2:39:56
Rank: #4942 (+85)
35K → 23M
8:58 | 7:10/mi
24M
2:46:59
Rank: #4905 (+37)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:53:14
Rank: #4901 (+4)
24M → 40K
6:15 | 7:19/mi
25.2M
2:55:59
Rank: #4905 (-4)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:03:22
Rank: #4925 (-20)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:33:09
Pace7:06 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0921:176:5121:17
6:51
-
10K
6.21 mi11:08:2642:346:5121:17
6:51
0:00
15K
9.32 mi11:29:521:04:006:5221:26
6:54
+0:03
20K
12.43 mi11:51:251:25:336:5321:33
6:56
+0:02
Half
13.11 mi11:56:051:30:136:534:40
6:51
-0:05
25K
15.53 mi12:12:421:46:506:5316:37
6:51
0:00
30K
18.64 mi12:34:372:08:456:5421:55
7:03
+0:12
20M
20.00 mi12:44:152:18:236:559:38
7:05
+0:02
21M
21.00 mi12:51:492:25:576:577:34
7:34
+0:29
35K
21.75 mi12:56:502:30:586:565:01
6:42
-0:52
23M
23.00 mi13:05:482:39:566:578:58
7:10
+0:28
24M
24.00 mi13:12:512:46:596:577:03
7:03
-0:07
40K
24.85 mi13:19:062:53:146:586:15
7:19
+0:16
25.2M
25.20 mi13:21:512:55:596:592:45
7:58
+0:39
Finish
26.22 mi13:29:143:03:227:007:23
7:15
-0:43

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

6:42 /mi

Average Pace

7:00 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:03

94% of race

Time at Steady Pace

7:34

4% of race

Time at Slower Pace

2:45

1% of race

Average Pace: 7:00 /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 mi10:47:0921:176:5121:17
6:51
#5164
10K
6.21 mi11:08:2642:346:5121:17
6:51
#5438
15K
9.32 mi11:29:521:04:006:5221:26
6:54
#5607
20K
12.43 mi11:51:251:25:336:5321:33
6:56
#5590
Half
13.11 mi11:56:051:30:136:534:40
6:51
#5591
25K
15.53 mi12:12:421:46:506:5316:37
6:51
#5429
30K
18.64 mi12:34:372:08:456:5421:55
7:03
#5238
20M
20.00 mi12:44:152:18:236:559:38
7:05
#5143
21M
21.00 mi12:51:492:25:576:577:34
7:34
#5089
35K
21.75 mi12:56:502:30:586:565:01
6:42
#5027
23M
23.00 mi13:05:482:39:566:578:58
7:10
#4942
24M
24.00 mi13:12:512:46:596:577:03
7:03
#4905
40K
24.85 mi13:19:062:53:146:586:15
7:19
#4901
25.2M
25.20 mi13:21:512:55:596:592:45
7:58
#4905
Finish
26.22 mi13:29:143:03:227:007:23
7:15
#4925
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi51643713715964(Top 22%)523(Top 5%)523(Top 11%)
10K6.21 mi3.10 mi5438-274410-39410-395773(Top 22%)483(Top 4%)483(Top 10%)
15K9.32 mi3.11 mi5607-169439-29439-295964(Top 22%)523(Top 5%)523(Top 11%)
20K12.43 mi3.11 mi5590+17431+8431+85591(Top 21%)451(Top 4%)451(Top 9%)
Half13.11 mi0.68 mi5591-1432-1432-15692(Top 21%)462(Top 4%)462(Top 9%)
25K15.53 mi2.42 mi5429+162409+23409+234583(Top 17%)318(Top 3%)318(Top 7%)
30K18.64 mi3.11 mi5238+191387+22387+224698(Top 18%)359(Top 3%)359(Top 7%)
20M20.00 mi1.36 mi5143+95382+5382+54584(Top 17%)375(Top 3%)375(Top 8%)
21M21.00 mi1.00 mi5089+54380+2380+24938(Top 19%)499(Top 4%)499(Top 10%)
35K21.75 mi0.75 mi5027+62376+4376+43662(Top 14%)279(Top 2%)279(Top 6%)
23M23.00 mi1.25 mi4942+85366+10366+104621(Top 17%)441(Top 4%)441(Top 9%)
24M24.00 mi1.00 mi4905+37369-3369-34942(Top 19%)552(Top 5%)552(Top 11%)
40K24.85 mi0.85 mi4901+4377-8377-85534(Top 21%)810(Top 7%)810(Top 17%)
25.2M25.20 mi0.35 mi4905-4383-6383-66380(Top 24%)1164(Top 10%)1164(Top 24%)
Finish26.22 mi1.02 mi4925-20391-8391-86744(Top 25%)1321(Top 12%)1321(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5964

Females

523

F18-39

523

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5773

Females

483

F18-39

483

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5964

Females

523

F18-39

523

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5591

Females

451

F18-39

451

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5692

Females

462

F18-39

462

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4583

Females

318

F18-39

318

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4698

Females

359

F18-39

359

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4584

Females

375

F18-39

375

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4938

Females

499

F18-39

499

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3662

Females

279

F18-39

279

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4621

Females

441

F18-39

441

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4942

Females

552

F18-39

552

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5534

Females

810

F18-39

810

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6380

Females

1164

F18-39

1164

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6744

Females

1321

F18-39

1321

Passing Analysis

Category:
Athletes Passed
1250
Passed By
1011
Net Change
+239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5164
5K → 10K97371-274#5164#5438
10K → 15K61230-169#5438#5607
15K → 20K11699+17#5607#5590
20K → Half2122-1#5590#5591
Half → 25K17513+162#5591#5429
25K → 30K23241+191#5429#5238
30K → 20M12227+95#5238#5143
20M → 21M8329+54#5143#5089
21M → 35K697+62#5089#5027
35K → 23M11126+85#5027#4942
23M → 24M6427+37#4942#4905
24M → 40K4541+4#4905#4901
40K → 25.2M1519-4#4901#4905
25.2M → Finish3959-20#4905#4925
TOTALS12501011+239
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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