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BOSTON MARATHON 2023

Stacy Juckett Chesnutt

Bib: 20955•F

NS

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:30
Rank: #17762
Start → 5K
26:30 | 8:32/mi
10K· 6.21 mi
52:20
Rank: #17369 (+393)
5K → 10K
25:50 | 8:19/mi
15K· 9.32 mi
1:20:29
Rank: #18671 (-1302)
10K → 15K
28:09 | 9:04/mi
20K· 12.43 mi
1:47:27
Rank: #18493 (+178)
15K → 20K
26:58 | 8:41/mi
Half· 13.11 mi
1:53:14
Rank: #18429 (+64)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:14:47
Rank: #18435 (-6)
Half → 25K
21:33 | 8:53/mi
30K· 18.64 mi
2:43:15
Rank: #18321 (+114)
25K → 30K
28:28 | 9:10/mi
20M
2:55:30
Rank: #18177 (+144)
30K → 20M
12:15 | 9:01/mi
21M
3:05:04
Rank: #18041 (+136)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:11:37
Rank: #18004 (+37)
21M → 35K
6:33 | 8:45/mi
23M
3:22:58
Rank: #17913 (+91)
35K → 23M
11:21 | 9:04/mi
24M
3:31:41
Rank: #17836 (+77)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:38:47
Rank: #17637 (+199)
24M → 40K
7:06 | 8:18/mi
25.2M
3:41:47
Rank: #17519 (+118)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:49:16
Rank: #17174 (+345)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:14
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0626:308:3226:30
8:32
-
10K
6.21 mi11:44:5652:208:2525:50
8:19
-0:13
15K
9.32 mi12:13:051:20:298:3828:09
9:04
+0:45
20K
12.43 mi12:40:031:47:278:3926:58
8:41
-0:23
Half
13.11 mi12:45:501:53:148:385:47
8:29
-0:12
25K
15.53 mi13:07:232:14:478:4121:33
8:53
+0:24
30K
18.64 mi13:35:512:43:158:4528:28
9:10
+0:17
20M
20.00 mi13:48:062:55:308:4612:15
9:01
-0:09
21M
21.00 mi13:57:403:05:048:499:34
9:34
+0:33
35K
21.75 mi14:04:133:11:378:496:33
8:45
-0:49
23M
23.00 mi14:15:343:22:588:4911:21
9:04
+0:19
24M
24.00 mi14:24:173:31:418:498:43
8:43
-0:21
40K
24.85 mi14:31:233:38:478:487:06
8:18
-0:25
25.2M
25.20 mi14:34:233:41:478:483:00
8:42
+0:24
Finish
26.22 mi14:41:523:49:168:457:29
7:21
-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

7:21 /mi

Average Pace

8:45 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:25

18% of race

Time at Steady Pace

1:39:04

43% of race

Time at Slower Pace

1:29:47

39% of race

Average Pace: 8:45 /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 mi11:19:0626:308:3226:30
8:32
#17762
10K
6.21 mi11:44:5652:208:2525:50
8:19
#17369
15K
9.32 mi12:13:051:20:298:3828:09
9:04
#18671
20K
12.43 mi12:40:031:47:278:3926:58
8:41
#18493
Half
13.11 mi12:45:501:53:148:385:47
8:29
#18429
25K
15.53 mi13:07:232:14:478:4121:33
8:53
#18435
30K
18.64 mi13:35:512:43:158:4528:28
9:10
#18321
20M
20.00 mi13:48:062:55:308:4612:15
9:01
#18177
21M
21.00 mi13:57:403:05:048:499:34
9:34
#18041
35K
21.75 mi14:04:133:11:378:496:33
8:45
#18004
23M
23.00 mi14:15:343:22:588:4911:21
9:04
#17913
24M
24.00 mi14:24:173:31:418:498:43
8:43
#17836
40K
24.85 mi14:31:233:38:478:487:06
8:18
#17637
25.2M
25.20 mi14:34:233:41:478:483:00
8:42
#17519
Finish
26.22 mi14:41:523:49:168:457:29
7:21
#17174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177626403640320773(Top 78%)8105(Top 71%)8105(Top 671%)
10K6.21 mi3.10 mi17369+3936145+2586145+25817045(Top 64%)5900(Top 52%)5900(Top 489%)
15K9.32 mi3.11 mi18671-13026923-7786923-77820773(Top 78%)8105(Top 71%)8105(Top 671%)
20K12.43 mi3.11 mi18493+1786797+1266797+12618002(Top 68%)6508(Top 57%)6508(Top 539%)
Half13.11 mi0.68 mi18429+646762+356762+3517617(Top 66%)6254(Top 55%)6254(Top 518%)
25K15.53 mi2.42 mi18435-66789-276789-2718393(Top 69%)6779(Top 59%)6779(Top 562%)
30K18.64 mi3.11 mi18321+1146756+336756+3317995(Top 68%)6646(Top 58%)6646(Top 551%)
20M20.00 mi1.36 mi18177+1446686+706686+7016635(Top 62%)5937(Top 52%)5937(Top 492%)
21M21.00 mi1.00 mi18041+1366615+716615+7116300(Top 61%)5802(Top 51%)5802(Top 481%)
35K21.75 mi0.75 mi18004+376599+166599+1616745(Top 63%)6133(Top 54%)6133(Top 508%)
23M23.00 mi1.25 mi17913+916566+336566+3316399(Top 62%)5971(Top 52%)5971(Top 495%)
24M24.00 mi1.00 mi17836+776526+406526+4015784(Top 59%)5697(Top 50%)5697(Top 472%)
40K24.85 mi0.85 mi17637+1996423+1036423+10312144(Top 46%)3769(Top 33%)3769(Top 312%)
25.2M25.20 mi0.35 mi17519+1186360+636360+6310894(Top 41%)3168(Top 28%)3168(Top 262%)
Finish26.22 mi1.02 mi17174+3456166+1946166+1947454(Top 28%)1622(Top 14%)1622(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20773

Females

8105

F50-54

8105

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17045

Females

5900

F50-54

5900

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20773

Females

8105

F50-54

8105

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18002

Females

6508

F50-54

6508

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17617

Females

6254

F50-54

6254

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18393

Females

6779

F50-54

6779

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17995

Females

6646

F50-54

6646

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16635

Females

5937

F50-54

5937

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16300

Females

5802

F50-54

5802

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16745

Females

6133

F50-54

6133

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16399

Females

5971

F50-54

5971

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15784

Females

5697

F50-54

5697

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12144

Females

3769

F50-54

3769

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10894

Females

3168

F50-54

3168

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7454

Females

1622

F50-54

1622

Passing Analysis

Category:
Athletes Passed
2553
Passed By
1965
Net Change
+588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17762
5K → 10K569176+393#17762#17369
10K → 15K131315-1302#17369#18671
15K → 20K25375+178#18671#18493
20K → Half728+64#18493#18429
Half → 25K128134-6#18429#18435
25K → 30K229115+114#18435#18321
30K → 20M16117+144#18321#18177
20M → 21M16832+136#18177#18041
21M → 35K6326+37#18041#18004
35K → 23M13140+91#18004#17913
23M → 24M9821+77#17913#17836
24M → 40K2045+199#17836#17637
40K → 25.2M1191+118#17637#17519
25.2M → Finish3450+345#17519#17174
TOTALS25531965+588
📊

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