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BOSTON MARATHON 2023

Sandra Carvallo

Bib: 21790•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F45-49)
#0 / 1817
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:39
Rank: #15867
Start → 5K
25:39 | 8:15/mi
10K· 6.21 mi
49:59
Rank: #14706 (+1161)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:14:37
Rank: #14402 (+304)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:40:13
Rank: #14598 (-196)
15K → 20K
25:36 | 8:14/mi
Half· 13.11 mi
1:45:48
Rank: #14655 (-57)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:06:31
Rank: #14950 (-295)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:34:19
Rank: #15323 (-373)
25K → 30K
27:48 | 8:57/mi
20M
2:46:42
Rank: #15469 (-146)
30K → 20M
12:23 | 9:07/mi
21M
2:56:18
Rank: #15502 (-33)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:03:00
Rank: #15590 (-88)
21M → 35K
6:42 | 8:57/mi
23M
3:14:28
Rank: #15649 (-59)
35K → 23M
11:28 | 9:09/mi
24M
3:23:20
Rank: #15685 (-36)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:30:59
Rank: #15694 (-9)
24M → 40K
7:39 | 8:57/mi
25.2M
3:34:16
Rank: #15688 (+6)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:42:35
Rank: #15590 (+98)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:48
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:56:47
Pace8:55 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5325:398:1525:39
8:15
-
10K
6.21 mi11:43:1349:598:0324:20
7:50
-0:25
15K
9.32 mi12:07:511:14:378:0024:38
7:56
+0:06
20K
12.43 mi12:33:271:40:138:0425:36
8:14
+0:18
Half
13.11 mi12:39:021:45:488:045:35
8:11
-0:03
25K
15.53 mi12:59:452:06:318:0920:43
8:33
+0:22
30K
18.64 mi13:27:332:34:198:1727:48
8:57
+0:24
20M
20.00 mi13:39:562:46:428:2012:23
9:07
+0:10
21M
21.00 mi13:49:322:56:188:249:36
9:36
+0:29
35K
21.75 mi13:56:143:03:008:256:42
8:57
-0:39
23M
23.00 mi14:07:423:14:288:2711:28
9:09
+0:12
24M
24.00 mi14:16:343:23:208:288:52
8:52
-0:17
40K
24.85 mi14:24:133:30:598:297:39
8:57
+0:05
25.2M
25.20 mi14:27:303:34:168:303:17
9:31
+0:34
Finish
26.22 mi14:35:493:42:358:308:19
8:10
-1:21

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

7:50 /mi

Average Pace

8:30 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:50

61% of race

Time at Steady Pace

1:03:24

28% of race

Time at Slower Pace

24:21

11% of race

Average Pace: 8:29 /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 mi11:18:5325:398:1525:39
8:15
#15867
10K
6.21 mi11:43:1349:598:0324:20
7:50
#14706
15K
9.32 mi12:07:511:14:378:0024:38
7:56
#14402
20K
12.43 mi12:33:271:40:138:0425:36
8:14
#14598
Half
13.11 mi12:39:021:45:488:045:35
8:11
#14655
25K
15.53 mi12:59:452:06:318:0920:43
8:33
#14950
30K
18.64 mi13:27:332:34:198:1727:48
8:57
#15323
20M
20.00 mi13:39:562:46:428:2012:23
9:07
#15469
21M
21.00 mi13:49:322:56:188:249:36
9:36
#15502
35K
21.75 mi13:56:143:03:008:256:42
8:57
#15590
23M
23.00 mi14:07:423:14:288:2711:28
9:09
#15649
24M
24.00 mi14:16:343:23:208:288:52
8:52
#15685
40K
24.85 mi14:24:133:30:598:297:39
8:57
#15694
25.2M
25.20 mi14:27:303:34:168:303:17
9:31
#15688
Finish
26.22 mi14:35:493:42:358:308:19
8:10
#15590
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158675192519213830(Top 52%)3989(Top 35%)3989(Top 220%)
10K6.21 mi3.10 mi14706+11614470+7224470+72213429(Top 50%)3679(Top 32%)3679(Top 202%)
15K9.32 mi3.11 mi14402+3044302+1684302+16813830(Top 52%)3989(Top 35%)3989(Top 220%)
20K12.43 mi3.11 mi14598-1964432-1304432-13015215(Top 57%)4849(Top 42%)4849(Top 267%)
Half13.11 mi0.68 mi14655-574467-354467-3515747(Top 59%)5153(Top 45%)5153(Top 284%)
25K15.53 mi2.42 mi14950-2954680-2134680-21316467(Top 62%)5700(Top 50%)5700(Top 314%)
30K18.64 mi3.11 mi15323-3734960-2804960-28016901(Top 63%)6006(Top 53%)6006(Top 331%)
20M20.00 mi1.36 mi15469-1465072-1125072-11217130(Top 64%)6239(Top 55%)6239(Top 343%)
21M21.00 mi1.00 mi15502-335116-445116-4416433(Top 62%)5872(Top 51%)5872(Top 323%)
35K21.75 mi0.75 mi15590-885192-765192-7617726(Top 67%)6674(Top 58%)6674(Top 367%)
23M23.00 mi1.25 mi15649-595255-635255-6316859(Top 63%)6209(Top 54%)6209(Top 342%)
24M24.00 mi1.00 mi15685-365295-405295-4016598(Top 62%)6128(Top 54%)6128(Top 337%)
40K24.85 mi0.85 mi15694-95301-65301-615884(Top 60%)5782(Top 51%)5782(Top 318%)
25.2M25.20 mi0.35 mi15688+65299+25299+215327(Top 58%)5488(Top 48%)5488(Top 302%)
Finish26.22 mi1.02 mi15590+985257+425257+4213211(Top 50%)4320(Top 38%)4320(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13830

Females

3989

F45-49

3989

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13429

Females

3679

F45-49

3679

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13830

Females

3989

F45-49

3989

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15215

Females

4849

F45-49

4849

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15747

Females

5153

F45-49

5153

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16467

Females

5700

F45-49

5700

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16901

Females

6006

F45-49

6006

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17130

Females

6239

F45-49

6239

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16433

Females

5872

F45-49

5872

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17726

Females

6674

F45-49

6674

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16859

Females

6209

F45-49

6209

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16598

Females

6128

F45-49

6128

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15884

Females

5782

F45-49

5782

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15327

Females

5488

F45-49

5488

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13211

Females

4320

F45-49

4320

Passing Analysis

Category:
Athletes Passed
2333
Passed By
2056
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15867
5K → 10K120241+1161#15867#14706
10K → 15K37268+304#14706#14402
15K → 20K130326-196#14402#14598
20K → Half1370-57#14598#14655
Half → 25K71366-295#14655#14950
25K → 30K81454-373#14950#15323
30K → 20M44190-146#15323#15469
20M → 21M79112-33#15469#15502
21M → 35K22110-88#15502#15590
35K → 23M65124-59#15590#15649
23M → 24M5490-36#15649#15685
24M → 40K6069-9#15685#15694
40K → 25.2M2721+6#15694#15688
25.2M → Finish11315+98#15688#15590
TOTALS23332056+277
📊

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