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BOSTON MARATHON 2023

Isabella Caruso

Bib: 2044•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Female)
#0 / 11423
Top 0.7%
Division (F18-39)
#0 / 4884
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #2860
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
40:39
Rank: #2758 (+102)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:53
Rank: #2715 (+43)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:05
Rank: #2598 (+117)
15K → 20K
20:12 | 6:30/mi
Half· 13.11 mi
1:25:29
Rank: #2588 (+10)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:18
Rank: #2525 (+63)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:01:30
Rank: #2315 (+210)
25K → 30K
20:12 | 6:30/mi
20M
2:10:19
Rank: #2223 (+92)
30K → 20M
8:49 | 6:29/mi
21M
2:17:02
Rank: #2131 (+92)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:21:43
Rank: #2092 (+39)
21M → 35K
4:41 | 6:16/mi
23M
2:29:45
Rank: #1988 (+104)
35K → 23M
8:02 | 6:25/mi
24M
2:36:03
Rank: #1938 (+50)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:41:31
Rank: #1889 (+49)
24M → 40K
5:28 | 6:24/mi
25.2M
2:43:51
Rank: #1866 (+23)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:50:02
Rank: #1793 (+73)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:29
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:33
Pace6:27 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0920:306:3620:30
6:36
-
10K
6.21 mi10:41:1840:396:3320:09
6:29
-0:07
15K
9.32 mi11:01:321:00:536:3220:14
6:31
+0:02
20K
12.43 mi11:21:441:21:056:3120:12
6:30
-0:01
Half
13.11 mi11:26:081:25:296:314:24
6:27
-0:03
25K
15.53 mi11:41:571:41:186:3115:49
6:31
+0:04
30K
18.64 mi12:02:092:01:306:3120:12
6:30
-0:01
20M
20.00 mi12:10:582:10:196:318:49
6:29
-0:01
21M
21.00 mi12:17:412:17:026:326:43
6:43
+0:14
35K
21.75 mi12:22:222:21:436:314:41
6:16
-0:27
23M
23.00 mi12:30:242:29:456:318:02
6:25
+0:09
24M
24.00 mi12:36:422:36:036:306:18
6:18
-0:07
40K
24.85 mi12:42:102:41:316:305:28
6:24
+0:06
25.2M
25.20 mi12:44:302:43:516:302:20
6:46
+0:22
Finish
26.22 mi12:50:412:50:026:296:11
6:04
-0:42

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

6:04 /mi

Average Pace

6:29 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:59

95% of race

Time at Steady Pace

9:03

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:21:0920:306:3620:30
6:36
#2860
10K
6.21 mi10:41:1840:396:3320:09
6:29
#2758
15K
9.32 mi11:01:321:00:536:3220:14
6:31
#2715
20K
12.43 mi11:21:441:21:056:3120:12
6:30
#2598
Half
13.11 mi11:26:081:25:296:314:24
6:27
#2588
25K
15.53 mi11:41:571:41:186:3115:49
6:31
#2525
30K
18.64 mi12:02:092:01:306:3120:12
6:30
#2315
20M
20.00 mi12:10:582:10:196:318:49
6:29
#2223
21M
21.00 mi12:17:412:17:026:326:43
6:43
#2131
35K
21.75 mi12:22:222:21:436:314:41
6:16
#2092
23M
23.00 mi12:30:242:29:456:318:02
6:25
#1988
24M
24.00 mi12:36:422:36:036:306:18
6:18
#1938
40K
24.85 mi12:42:102:41:316:305:28
6:24
#1889
25.2M
25.20 mi12:44:302:43:516:302:20
6:46
#1866
Finish
26.22 mi12:50:412:50:026:296:11
6:04
#1793
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28601351352727(Top 10%)120(Top 1%)120(Top 2%)
10K6.21 mi3.10 mi2758+102126+9126+92715(Top 10%)116(Top 1%)116(Top 2%)
15K9.32 mi3.11 mi2715+43120+6120+62727(Top 10%)120(Top 1%)120(Top 2%)
20K12.43 mi3.11 mi2598+117112+8112+82310(Top 9%)94(Top 0.8%)94(Top 2%)
Half13.11 mi0.68 mi2588+10108+4108+42543(Top 10%)101(Top 0.9%)101(Top 2%)
25K15.53 mi2.42 mi2525+63105+3105+32307(Top 9%)94(Top 0.8%)94(Top 2%)
30K18.64 mi3.11 mi2315+21093+1293+121572(Top 6%)66(Top 0.6%)66(Top 1%)
20M20.00 mi1.36 mi2223+9289+489+41426(Top 5%)69(Top 0.6%)69(Top 1%)
21M21.00 mi1.00 mi2131+9288+188+11162(Top 4%)55(Top 0.5%)55(Top 1%)
35K21.75 mi0.75 mi2092+3985+385+31476(Top 6%)75(Top 0.7%)75(Top 2%)
23M23.00 mi1.25 mi1988+10481+481+41171(Top 4%)65(Top 0.6%)65(Top 1%)
24M24.00 mi1.00 mi1938+5081811365(Top 5%)72(Top 0.6%)72(Top 1%)
40K24.85 mi0.85 mi1889+4981811211(Top 5%)70(Top 0.6%)70(Top 1%)
25.2M25.20 mi0.35 mi1866+2381811118(Top 4%)57(Top 0.5%)57(Top 1%)
Finish26.22 mi1.02 mi1793+7380+180+1918(Top 3%)42(Top 0.4%)42(Top 0.9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2727

Females

120

F18-39

120

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2715

Females

116

F18-39

116

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2727

Females

120

F18-39

120

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2310

Females

94

F18-39

94

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2543

Females

101

F18-39

101

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2307

Females

94

F18-39

94

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1572

Females

66

F18-39

66

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1426

Females

69

F18-39

69

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1162

Females

55

F18-39

55

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1476

Females

75

F18-39

75

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1171

Females

65

F18-39

65

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1365

Females

72

F18-39

72

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1211

Females

70

F18-39

70

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1118

Females

57

F18-39

57

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

918

Females

42

F18-39

42

Passing Analysis

Category:
Athletes Passed
1320
Passed By
253
Net Change
+1067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2860
5K → 10K213111+102#2860#2758
10K → 15K10360+43#2758#2715
15K → 20K14023+117#2715#2598
20K → Half2111+10#2598#2588
Half → 25K8219+63#2588#2525
25K → 30K2122+210#2525#2315
30K → 20M931+92#2315#2223
20M → 21M953+92#2223#2131
21M → 35K423+39#2131#2092
35K → 23M1062+104#2092#1988
23M → 24M577+50#1988#1938
24M → 40K545+49#1938#1889
40K → 25.2M263+23#1889#1866
25.2M → Finish763+73#1866#1793
TOTALS1320253+1067
📊

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