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BOSTON MARATHON 2023

Carolina Gvirtzman

Bib: 31369•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:39
Rank: #24741
Start → 5K
32:39 | 10:31/mi
10K· 6.21 mi
1:05:47
Rank: #24880 (-139)
5K → 10K
33:08 | 10:40/mi
15K· 9.32 mi
1:38:46
Rank: #24803 (+77)
10K → 15K
32:59 | 10:37/mi
20K· 12.43 mi
2:13:25
Rank: #24832 (-29)
15K → 20K
34:39 | 11:09/mi
Half· 13.11 mi
2:20:51
Rank: #24824 (+8)
20K → Half
7:26 | 10:54/mi
25K· 15.53 mi
2:48:24
Rank: #24765 (+59)
Half → 25K
27:33 | 11:22/mi
30K· 18.64 mi
3:24:48
Rank: #24647 (+118)
25K → 30K
36:24 | 11:43/mi
20M
3:40:56
Rank: #24601 (+46)
30K → 20M
16:08 | 11:52/mi
21M
3:54:22
Rank: #24633 (-32)
20M → 21M
13:26 | 13:26/mi
35K· 21.75 mi
4:02:59
Rank: #24610 (+23)
21M → 35K
8:37 | 11:31/mi
23M
4:17:47
Rank: #24560 (+50)
35K → 23M
14:48 | 11:49/mi
24M
4:29:21
Rank: #24532 (+28)
23M → 24M
11:34 | 11:34/mi
40K· 24.85 mi
4:39:45
Rank: #24540 (-8)
24M → 40K
10:24 | 12:10/mi
25.2M
4:44:09
Rank: #24535 (+5)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
4:55:28
Rank: #24532 (+3)
25.2M → Finish
11:19 | 11:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:51
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:34:37
Pace11:48 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4632:3910:3132:39
10:31
-
10K
6.21 mi12:26:541:05:4710:3533:08
10:40
+0:09
15K
9.32 mi12:59:531:38:4610:3632:59
10:37
-0:03
20K
12.43 mi13:34:322:13:2510:4434:39
11:09
+0:32
Half
13.11 mi13:41:582:20:5110:457:26
10:54
-0:15
25K
15.53 mi14:09:312:48:2410:5027:33
11:22
+0:28
30K
18.64 mi14:45:553:24:4810:5936:24
11:43
+0:21
20M
20.00 mi15:02:033:40:5611:0316:08
11:52
+0:09
21M
21.00 mi15:15:293:54:2211:1013:26
13:26
+1:34
35K
21.75 mi15:24:064:02:5911:108:37
11:31
-1:55
23M
23.00 mi15:38:544:17:4711:1214:48
11:49
+0:18
24M
24.00 mi15:50:284:29:2111:1311:34
11:34
-0:15
40K
24.85 mi16:00:524:39:4511:1510:24
12:10
+0:36
25.2M
25.20 mi16:05:164:44:0911:174:24
12:46
+0:36
Finish
26.22 mi16:16:354:55:2811:1711:19
11:06
-1:40

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

10:31 /mi

Average Pace

11:17 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:31

40% of race

Time at Steady Pace

2:29:43

51% of race

Time at Slower Pace

28:14

10% of race

Average Pace: 11:16 /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 mi11:53:4632:3910:3132:39
10:31
#24741
10K
6.21 mi12:26:541:05:4710:3533:08
10:40
#24880
15K
9.32 mi12:59:531:38:4610:3632:59
10:37
#24803
20K
12.43 mi13:34:322:13:2510:4434:39
11:09
#24832
Half
13.11 mi13:41:582:20:5110:457:26
10:54
#24824
25K
15.53 mi14:09:312:48:2410:5027:33
11:22
#24765
30K
18.64 mi14:45:553:24:4810:5936:24
11:43
#24647
20M
20.00 mi15:02:033:40:5611:0316:08
11:52
#24601
21M
21.00 mi15:15:293:54:2211:1013:26
13:26
#24633
35K
21.75 mi15:24:064:02:5911:108:37
11:31
#24610
23M
23.00 mi15:38:544:17:4711:1214:48
11:49
#24560
24M
24.00 mi15:50:284:29:2111:1311:34
11:34
#24532
40K
24.85 mi16:00:524:39:4511:1510:24
12:10
#24540
25.2M
25.20 mi16:05:164:44:0911:174:24
12:46
#24535
Finish
26.22 mi16:16:354:55:2811:1711:19
11:06
#24532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi24741102971029724668(Top 93%)10273(Top 90%)10273(Top 851%)
10K6.21 mi3.10 mi24880-13910369-7210369-7224960(Top 94%)10418(Top 91%)10418(Top 863%)
15K9.32 mi3.11 mi24803+7710339+3010339+3024668(Top 93%)10273(Top 90%)10273(Top 851%)
20K12.43 mi3.11 mi24832-2910357-1810357-1824821(Top 93%)10378(Top 91%)10378(Top 860%)
Half13.11 mi0.68 mi24824+810355+210355+224804(Top 93%)10379(Top 91%)10379(Top 860%)
25K15.53 mi2.42 mi24765+5910338+1710338+1724500(Top 92%)10230(Top 90%)10230(Top 848%)
30K18.64 mi3.11 mi24647+11810285+5310285+5324155(Top 91%)10097(Top 88%)10097(Top 837%)
20M20.00 mi1.36 mi24601+4610272+1310272+1324046(Top 90%)10108(Top 88%)10108(Top 837%)
21M21.00 mi1.00 mi24633-3210291-1910291-1924521(Top 92%)10355(Top 91%)10355(Top 858%)
35K21.75 mi0.75 mi24610+2310288+310288+324135(Top 91%)10202(Top 89%)10202(Top 845%)
23M23.00 mi1.25 mi24560+5010262+2610262+2623757(Top 89%)9983(Top 87%)9983(Top 827%)
24M24.00 mi1.00 mi24532+2810263-110263-123969(Top 90%)10150(Top 89%)10150(Top 841%)
40K24.85 mi0.85 mi24540-810276-1310276-1324087(Top 90%)10219(Top 89%)10219(Top 847%)
25.2M25.20 mi0.35 mi24535+510275+110275+123683(Top 89%)10029(Top 88%)10029(Top 831%)
Finish26.22 mi1.02 mi24532+310280-510280-524159(Top 91%)10234(Top 90%)10234(Top 848%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24668

Females

10273

F50-54

10273

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24960

Females

10418

F50-54

10418

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24668

Females

10273

F50-54

10273

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24821

Females

10378

F50-54

10378

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24804

Females

10379

F50-54

10379

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24500

Females

10230

F50-54

10230

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24155

Females

10097

F50-54

10097

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24046

Females

10108

F50-54

10108

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24521

Females

10355

F50-54

10355

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24135

Females

10202

F50-54

10202

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

23757

Females

9983

F50-54

9983

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

23969

Females

10150

F50-54

10150

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24087

Females

10219

F50-54

10219

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23683

Females

10029

F50-54

10029

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24159

Females

10234

F50-54

10234

Passing Analysis

Category:
Athletes Passed
956
Passed By
747
Net Change
+209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24741
5K → 10K134273-139#24741#24880
10K → 15K14871+77#24880#24803
15K → 20K95124-29#24803#24832
20K → Half2416+8#24832#24824
Half → 25K10445+59#24824#24765
25K → 30K15840+118#24765#24647
30K → 20M6721+46#24647#24601
20M → 21M2355-32#24601#24633
21M → 35K3613+23#24633#24610
35K → 23M6818+50#24610#24560
23M → 24M4517+28#24560#24532
24M → 40K1927-8#24532#24540
40K → 25.2M127+5#24540#24535
25.2M → Finish2320+3#24535#24532
TOTALS956747+209
📊

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