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BOSTON MARATHON 2023

Carolyn Sadler

Bib: 21862•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F50-54)
#0 / 1207
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:26
Rank: #17605
Start → 5K
8:30/mi
26:26 split
10K· 6.21 mi
52:37
Rank: #17700 (-95)
5K → 10K
8:26/mi
26:11 split
15K· 9.32 mi
1:18:59
Rank: #17683 (+17)
10K → 15K
8:29/mi
26:22 split
20K· 12.43 mi
1:45:17
Rank: #17384 (+299)
15K → 20K
8:28/mi
26:18 split
Half· 13.11 mi
1:50:59
Rank: #17358 (+26)
20K → Half
8:21/mi
5:42 split
25K· 15.53 mi
2:11:35
Rank: #17160 (+198)
Half → 25K
8:30/mi
20:36 split
30K· 18.64 mi
2:38:34
Rank: #16818 (+342)
25K → 30K
8:41/mi
26:59 split
20M
2:50:20
Rank: #16643 (+175)
30K → 20M
8:40/mi
11:46 split
21M
2:59:19
Rank: #16421 (+222)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
3:05:30
Rank: #16329 (+92)
21M → 35K
8:16/mi
6:11 split
23M
3:16:00
Rank: #16097 (+232)
35K → 23M
8:23/mi
10:30 split
24M
3:24:05
Rank: #15901 (+196)
23M → 24M
8:05/mi
8:05 split
40K· 24.85 mi
3:31:04
Rank: #15718 (+183)
24M → 40K
8:10/mi
6:59 split
25.2M
3:34:03
Rank: #15636 (+82)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:41:52
Rank: #15412 (+224)
25.2M → Finish
7:40/mi
7:49 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:59
Pace8:28 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:53
Pace8:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5026:268:3026:26
8:30
-
10K
6.21 mi11:46:0152:378:2826:11
8:26
-0:04
15K
9.32 mi12:12:231:18:598:2826:22
8:29
+0:03
20K
12.43 mi12:38:411:45:178:2826:18
8:28
-0:01
Half
13.11 mi12:44:231:50:598:285:42
8:21
-0:07
25K
15.53 mi13:04:592:11:358:2820:36
8:30
+0:09
30K
18.64 mi13:31:582:38:348:3026:59
8:41
+0:11
20M
20.00 mi13:43:442:50:208:3111:46
8:40
-0:01
21M
21.00 mi13:52:432:59:198:328:59
8:59
+0:19
35K
21.75 mi13:58:543:05:308:326:11
8:16
-0:43
23M
23.00 mi14:09:243:16:008:3110:30
8:23
+0:07
24M
24.00 mi14:17:293:24:058:308:05
8:05
-0:18
40K
24.85 mi14:24:283:31:048:306:59
8:10
+0:05
25.2M
25.20 mi14:27:273:34:038:302:59
8:39
+0:29
Finish
26.22 mi14:35:163:41:528:287:49
7:40
-0:59

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

7:40 /mi

Average Pace

8:28 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:16

20% of race

Time at Steady Pace

2:56:36

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:19:5026:268:3026:26
8:30
#17605
10K
6.21 mi11:46:0152:378:2826:11
8:26
#17700
15K
9.32 mi12:12:231:18:598:2826:22
8:29
#17683
20K
12.43 mi12:38:411:45:178:2826:18
8:28
#17384
Half
13.11 mi12:44:231:50:598:285:42
8:21
#17358
25K
15.53 mi13:04:592:11:358:2820:36
8:30
#17160
30K
18.64 mi13:31:582:38:348:3026:59
8:41
#16818
20M
20.00 mi13:43:442:50:208:3111:46
8:40
#16643
21M
21.00 mi13:52:432:59:198:328:59
8:59
#16421
35K
21.75 mi13:58:543:05:308:326:11
8:16
#16329
23M
23.00 mi14:09:243:16:008:3110:30
8:23
#16097
24M
24.00 mi14:17:293:24:058:308:05
8:05
#15901
40K
24.85 mi14:24:283:31:048:306:59
8:10
#15718
25.2M
25.20 mi14:27:273:34:038:302:59
8:39
#15636
Finish
26.22 mi14:35:163:41:528:287:49
7:40
#15412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi176056318631817715(Top 67%)6341(Top 56%)6341(Top 525%)
10K6.21 mi3.10 mi17700-956348-306348-3017774(Top 67%)6351(Top 56%)6351(Top 526%)
15K9.32 mi3.11 mi17683+176327+216327+2117715(Top 67%)6341(Top 56%)6341(Top 525%)
20K12.43 mi3.11 mi17384+2996147+1806147+18016630(Top 62%)5716(Top 50%)5716(Top 474%)
Half13.11 mi0.68 mi17358+266136+116136+1116855(Top 63%)5801(Top 51%)5801(Top 481%)
25K15.53 mi2.42 mi17160+1986039+976039+9716174(Top 61%)5540(Top 48%)5540(Top 459%)
30K18.64 mi3.11 mi16818+3425857+1825857+18215438(Top 58%)5188(Top 45%)5188(Top 430%)
20M20.00 mi1.36 mi16643+1755778+795778+7914645(Top 55%)4797(Top 42%)4797(Top 397%)
21M21.00 mi1.00 mi16421+2225660+1185660+11813356(Top 50%)4143(Top 36%)4143(Top 343%)
35K21.75 mi0.75 mi16329+925618+425618+4213955(Top 52%)4546(Top 40%)4546(Top 377%)
23M23.00 mi1.25 mi16097+2325507+1115507+11112532(Top 47%)3822(Top 33%)3822(Top 317%)
24M24.00 mi1.00 mi15901+1965416+915416+9111878(Top 45%)3540(Top 31%)3540(Top 293%)
40K24.85 mi0.85 mi15718+1835312+1045312+10411203(Top 42%)3273(Top 29%)3273(Top 271%)
25.2M25.20 mi0.35 mi15636+825271+415271+4110598(Top 40%)3024(Top 26%)3024(Top 251%)
Finish26.22 mi1.02 mi15412+2245155+1165155+1169829(Top 37%)2634(Top 23%)2634(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17715

Females

6341

F50-54

6341

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17774

Females

6351

F50-54

6351

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17715

Females

6341

F50-54

6341

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16630

Females

5716

F50-54

5716

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16855

Females

5801

F50-54

5801

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16174

Females

5540

F50-54

5540

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15438

Females

5188

F50-54

5188

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14645

Females

4797

F50-54

4797

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13356

Females

4143

F50-54

4143

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13955

Females

4546

F50-54

4546

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12532

Females

3822

F50-54

3822

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11878

Females

3540

F50-54

3540

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11203

Females

3273

F50-54

3273

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10598

Females

3024

F50-54

3024

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9829

Females

2634

F50-54

2634

Passing Analysis

Category:
Athletes Passed
2917
Passed By
724
Net Change
+2193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17605
5K → 10K268363-95#17605#17700
10K → 15K199182+17#17700#17683
15K → 20K35152+299#17683#17384
20K → Half4115+26#17384#17358
Half → 25K23234+198#17358#17160
25K → 30K36725+342#17160#16818
30K → 20M18813+175#16818#16643
20M → 21M2308+222#16643#16421
21M → 35K1008+92#16421#16329
35K → 23M2397+232#16329#16097
23M → 24M2015+196#16097#15901
24M → 40K1885+183#15901#15718
40K → 25.2M831+82#15718#15636
25.2M → Finish2306+224#15636#15412
TOTALS2917724+2193
📊

Passing Visuals

Category:
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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