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BOSTON MARATHON 2023

Martha Carletti

Bib: 20008•F

MO

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

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18512
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
52:52
Rank: #17958 (+554)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:37
Rank: #17428 (+530)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:45:02
Rank: #17264 (+164)
15K → 20K
26:25 | 8:30/mi
Half· 13.11 mi
1:50:42
Rank: #17226 (+38)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:11:25
Rank: #17090 (+136)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:39:50
Rank: #17212 (-122)
25K → 30K
28:25 | 9:09/mi
20M
2:52:47
Rank: #17362 (-150)
30K → 20M
12:57 | 9:32/mi
21M
3:03:03
Rank: #17486 (-124)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:09:48
Rank: #17510 (-24)
21M → 35K
6:45 | 9:01/mi
23M
3:21:06
Rank: #17431 (+79)
35K → 23M
11:18 | 9:02/mi
24M
3:30:14
Rank: #17454 (-23)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:38:16
Rank: #17501 (-47)
24M → 40K
8:02 | 9:24/mi
25.2M
3:41:29
Rank: #17445 (+56)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:50:05
Rank: #17363 (+82)
25.2M → Finish
8:36 | 8:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:42
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:59:23
Pace9:06 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5126:518:3926:51
8:39
-
10K
6.21 mi11:47:5252:528:3026:01
8:22
-0:17
15K
9.32 mi12:13:371:18:378:2625:45
8:17
-0:05
20K
12.43 mi12:40:021:45:028:2726:25
8:30
+0:13
Half
13.11 mi12:45:421:50:428:275:40
8:18
-0:12
25K
15.53 mi13:06:252:11:258:2820:43
8:33
+0:15
30K
18.64 mi13:34:502:39:508:3428:25
9:09
+0:36
20M
20.00 mi13:47:472:52:478:3812:57
9:32
+0:23
21M
21.00 mi13:58:033:03:038:4310:16
10:16
+0:44
35K
21.75 mi14:04:483:09:488:446:45
9:01
-1:15
23M
23.00 mi14:16:063:21:068:4511:18
9:02
+0:01
24M
24.00 mi14:25:143:30:148:469:08
9:08
+0:06
40K
24.85 mi14:33:163:38:168:478:02
9:24
+0:16
25.2M
25.20 mi14:36:293:41:298:473:13
9:20
-0:04
Finish
26.22 mi14:45:053:50:058:478:36
8:26
-0:54

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

8:17 /mi

Average Pace

8:47 /mi

Slowest Pace

10:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:20:01

61% of race

Time at Steady Pace

55:36

24% of race

Time at Slower Pace

34:28

15% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:21:5126:518:3926:51
8:39
#18512
10K
6.21 mi11:47:5252:528:3026:01
8:22
#17958
15K
9.32 mi12:13:371:18:378:2625:45
8:17
#17428
20K
12.43 mi12:40:021:45:028:2726:25
8:30
#17264
Half
13.11 mi12:45:421:50:428:275:40
8:18
#17226
25K
15.53 mi13:06:252:11:258:2820:43
8:33
#17090
30K
18.64 mi13:34:502:39:508:3428:25
9:09
#17212
20M
20.00 mi13:47:472:52:478:3812:57
9:32
#17362
21M
21.00 mi13:58:033:03:038:4310:16
10:16
#17486
35K
21.75 mi14:04:483:09:488:446:45
9:01
#17510
23M
23.00 mi14:16:063:21:068:4511:18
9:02
#17431
24M
24.00 mi14:25:143:30:148:469:08
9:08
#17454
40K
24.85 mi14:33:163:38:168:478:02
9:24
#17501
25.2M
25.20 mi14:36:293:41:298:473:13
9:20
#17445
Finish
26.22 mi14:45:053:50:058:478:36
8:26
#17363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185126877687716482(Top 62%)5586(Top 49%)5586(Top 297%)
10K6.21 mi3.10 mi17958+5546510+3676510+36717417(Top 65%)6137(Top 54%)6137(Top 327%)
15K9.32 mi3.11 mi17428+5306176+3346176+33416482(Top 62%)5586(Top 49%)5586(Top 297%)
20K12.43 mi3.11 mi17264+1646090+866090+8616886(Top 63%)5869(Top 51%)5869(Top 313%)
Half13.11 mi0.68 mi17226+386062+286062+2816582(Top 62%)5665(Top 50%)5665(Top 302%)
25K15.53 mi2.42 mi17090+1365998+645998+6416479(Top 62%)5712(Top 50%)5712(Top 304%)
30K18.64 mi3.11 mi17212-1226085-876085-8717911(Top 67%)6596(Top 58%)6596(Top 351%)
20M20.00 mi1.36 mi17362-1506194-1096194-10918975(Top 71%)7281(Top 64%)7281(Top 388%)
21M21.00 mi1.00 mi17486-1246285-916285-9118933(Top 71%)7297(Top 64%)7297(Top 389%)
35K21.75 mi0.75 mi17510-246315-306315-3018012(Top 68%)6843(Top 60%)6843(Top 364%)
23M23.00 mi1.25 mi17431+796279+366279+3616194(Top 61%)5850(Top 51%)5850(Top 312%)
24M24.00 mi1.00 mi17454-236298-196298-1917811(Top 67%)6804(Top 60%)6804(Top 362%)
40K24.85 mi0.85 mi17501-476344-466344-4617944(Top 67%)6916(Top 61%)6916(Top 368%)
25.2M25.20 mi0.35 mi17445+566318+266318+2614431(Top 54%)5001(Top 44%)5001(Top 266%)
Finish26.22 mi1.02 mi17363+826284+346284+3415055(Top 57%)5290(Top 46%)5290(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16482

Females

5586

F40-44

5586

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17417

Females

6137

F40-44

6137

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16482

Females

5586

F40-44

5586

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16886

Females

5869

F40-44

5869

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16582

Females

5665

F40-44

5665

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16479

Females

5712

F40-44

5712

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17911

Females

6596

F40-44

6596

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18975

Females

7281

F40-44

7281

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18933

Females

7297

F40-44

7297

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18012

Females

6843

F40-44

6843

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16194

Females

5850

F40-44

5850

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17811

Females

6804

F40-44

6804

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17944

Females

6916

F40-44

6916

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14431

Females

5001

F40-44

5001

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15055

Females

5290

F40-44

5290

Passing Analysis

Category:
Athletes Passed
2425
Passed By
1276
Net Change
+1149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18512
5K → 10K708154+554#18512#17958
10K → 15K57242+530#17958#17428
15K → 20K24884+164#17428#17264
20K → Half5214+38#17264#17226
Half → 25K18953+136#17226#17090
25K → 30K136258-122#17090#17212
30K → 20M47197-150#17212#17362
20M → 21M45169-124#17362#17486
21M → 35K4569-24#17486#17510
35K → 23M12243+79#17510#17431
23M → 24M5174-23#17431#17454
24M → 40K4592-47#17454#17501
40K → 25.2M626+56#17501#17445
25.2M → Finish10321+82#17445#17363
TOTALS24251276+1149
📊

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