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BOSTON MARATHON 2023

Justyna Zarzycka

Bib: 32082•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
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
28:00
Rank: #20503
Start → 5K
28:00 | 9:01/mi
10K· 6.21 mi
54:20
Rank: #19370 (+1133)
5K → 10K
26:20 | 8:29/mi
15K· 9.32 mi
1:20:59
Rank: #18982 (+388)
10K → 15K
26:39 | 8:35/mi
20K· 12.43 mi
1:47:44
Rank: #18631 (+351)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:53:29
Rank: #18563 (+68)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:14:23
Rank: #18275 (+288)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:41:41
Rank: #17803 (+472)
25K → 30K
27:18 | 8:47/mi
20M
2:53:41
Rank: #17626 (+177)
30K → 20M
12:00 | 8:50/mi
21M
3:03:05
Rank: #17496 (+130)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
3:09:47
Rank: #17504 (-8)
21M → 35K
6:42 | 8:57/mi
23M
3:21:19
Rank: #17476 (+28)
35K → 23M
11:32 | 9:13/mi
24M
3:30:36
Rank: #17552 (-76)
23M → 24M
9:17 | 9:17/mi
40K· 24.85 mi
3:38:28
Rank: #17554 (-2)
24M → 40K
7:52 | 9:12/mi
25.2M
3:41:47
Rank: #17522 (+32)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:50:26
Rank: #17433 (+89)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:29
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:56:57
Pace8:55 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4628:009:0128:00
9:01
-
10K
6.21 mi12:16:0654:208:4526:20
8:29
-0:32
15K
9.32 mi12:42:451:20:598:4126:39
8:35
+0:06
20K
12.43 mi13:09:301:47:448:4026:45
8:37
+0:02
Half
13.11 mi13:15:151:53:298:395:45
8:26
-0:11
25K
15.53 mi13:36:092:14:238:3920:54
8:37
+0:11
30K
18.64 mi14:03:272:41:418:4027:18
8:47
+0:10
20M
20.00 mi14:15:272:53:418:4112:00
8:50
+0:03
21M
21.00 mi14:24:513:03:058:439:24
9:24
+0:34
35K
21.75 mi14:31:333:09:478:446:42
8:57
-0:27
23M
23.00 mi14:43:053:21:198:4511:32
9:13
+0:16
24M
24.00 mi14:52:223:30:368:479:17
9:17
+0:04
40K
24.85 mi15:00:143:38:288:477:52
9:12
-0:05
25.2M
25.20 mi15:03:333:41:478:483:19
9:37
+0:25
Finish
26.22 mi15:12:123:50:268:488:39
8:29
-1:08

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

8:26 /mi

Average Pace

8:48 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:26

90% of race

Time at Steady Pace

22:00

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:49:4628:009:0128:00
9:01
#20503
10K
6.21 mi12:16:0654:208:4526:20
8:29
#19370
15K
9.32 mi12:42:451:20:598:4126:39
8:35
#18982
20K
12.43 mi13:09:301:47:448:4026:45
8:37
#18631
Half
13.11 mi13:15:151:53:298:395:45
8:26
#18563
25K
15.53 mi13:36:092:14:238:3920:54
8:37
#18275
30K
18.64 mi14:03:272:41:418:4027:18
8:47
#17803
20M
20.00 mi14:15:272:53:418:4112:00
8:50
#17626
21M
21.00 mi14:24:513:03:058:439:24
9:24
#17496
35K
21.75 mi14:31:333:09:478:446:42
8:57
#17504
23M
23.00 mi14:43:053:21:198:4511:32
9:13
#17476
24M
24.00 mi14:52:223:30:368:479:17
9:17
#17552
40K
24.85 mi15:00:143:38:288:477:52
9:12
#17554
25.2M
25.20 mi15:03:333:41:478:483:19
9:37
#17522
Finish
26.22 mi15:12:123:50:268:488:39
8:29
#17433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi205038115811518306(Top 69%)6677(Top 58%)6677(Top 356%)
10K6.21 mi3.10 mi19370+11337381+7347381+73418114(Top 68%)6543(Top 57%)6543(Top 348%)
15K9.32 mi3.11 mi18982+3887121+2607121+26018306(Top 69%)6677(Top 58%)6677(Top 356%)
20K12.43 mi3.11 mi18631+3516890+2316890+23117563(Top 66%)6265(Top 55%)6265(Top 334%)
Half13.11 mi0.68 mi18563+686842+486842+4817366(Top 65%)6112(Top 54%)6112(Top 325%)
25K15.53 mi2.42 mi18275+2886693+1496693+14916935(Top 64%)5975(Top 52%)5975(Top 318%)
30K18.64 mi3.11 mi17803+4726440+2536440+25315989(Top 60%)5494(Top 48%)5494(Top 293%)
20M20.00 mi1.36 mi17626+1776347+936347+9315638(Top 59%)5360(Top 47%)5360(Top 285%)
21M21.00 mi1.00 mi17496+1306293+546293+5415505(Top 58%)5360(Top 47%)5360(Top 285%)
35K21.75 mi0.75 mi17504-86310-176310-1717741(Top 67%)6689(Top 59%)6689(Top 356%)
23M23.00 mi1.25 mi17476+286306+46306+417130(Top 64%)6359(Top 56%)6359(Top 339%)
24M24.00 mi1.00 mi17552-766367-616367-6118400(Top 69%)7107(Top 62%)7107(Top 378%)
40K24.85 mi0.85 mi17554-26373-66373-617111(Top 64%)6465(Top 57%)6465(Top 344%)
25.2M25.20 mi0.35 mi17522+326363+106363+1015809(Top 59%)5765(Top 50%)5765(Top 307%)
Finish26.22 mi1.02 mi17433+896322+416322+4115390(Top 58%)5483(Top 48%)5483(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18306

Females

6677

F40-44

6677

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18114

Females

6543

F40-44

6543

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18306

Females

6677

F40-44

6677

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17563

Females

6265

F40-44

6265

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17366

Females

6112

F40-44

6112

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16935

Females

5975

F40-44

5975

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15989

Females

5494

F40-44

5494

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15638

Females

5360

F40-44

5360

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15505

Females

5360

F40-44

5360

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17741

Females

6689

F40-44

6689

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17130

Females

6359

F40-44

6359

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18400

Females

7107

F40-44

7107

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17111

Females

6465

F40-44

6465

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15809

Females

5765

F40-44

5765

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15390

Females

5483

F40-44

5483

Passing Analysis

Category:
Athletes Passed
3631
Passed By
561
Net Change
+3070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20503
5K → 10K118653+1133#20503#19370
10K → 15K44254+388#19370#18982
15K → 20K38231+351#18982#18631
20K → Half757+68#18631#18563
Half → 25K30820+288#18563#18275
25K → 30K48917+472#18275#17803
30K → 20M18710+177#17803#17626
20M → 21M16030+130#17626#17496
21M → 35K4957-8#17496#17504
35K → 23M10173+28#17504#17476
23M → 24M36112-76#17476#17552
24M → 40K6264-2#17552#17554
40K → 25.2M4917+32#17554#17522
25.2M → Finish10516+89#17522#17433
TOTALS3631561+3070
📊

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