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BOSTON MARATHON 2023

Jennifer Muckley

Bib: 19292•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
49:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:58
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:39:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:45:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:04:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:30:05
↑ 181↓ 1480.2%
20M
8:03/mi
2:41:01
↑ 64↓ 500.2%
21M
8:22/mi
2:49:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:55:15
↑ 17↓ 861.7%
23M
8:02/mi
3:05:19
↑ 23↓ 630.6%
24M
7:48/mi
3:13:07
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:20:01
↓ 200.3%
25.2M
8:27/mi
3:22:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:30:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5925:118:0625:11
8:06
-
10K
6.21 mi11:41:4649:588:0224:47
7:59
-0:07
15K
9.32 mi12:06:461:14:588:0325:00
8:03
+0:04
20K
12.43 mi12:31:471:39:598:0325:01
8:03
0:00
Half
13.11 mi12:37:141:45:268:035:27
7:59
-0:04
25K
15.53 mi12:56:412:04:538:0219:27
8:01
+0:02
30K
18.64 mi13:21:532:30:058:0325:12
8:07
+0:06
20M
20.00 mi13:32:492:41:018:0310:56
8:03
-0:04
21M
21.00 mi13:41:112:49:238:048:22
8:22
+0:19
35K
21.75 mi13:47:032:55:158:035:52
7:51
-0:31
23M
23.00 mi13:57:073:05:198:0310:04
8:02
+0:11
24M
24.00 mi14:04:553:13:078:037:48
7:48
-0:14
40K
24.85 mi14:11:493:20:018:036:54
8:04
+0:16
25.2M
25.20 mi14:14:443:22:568:032:55
8:27
+0:23
Finish
26.22 mi14:22:403:30:528:037:56
7:47
-0:40

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

7:47 /mi

Average Pace

8:03 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:35

95% of race

Time at Steady Pace

11:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:16:5925:118:0625:11
8:06
#14754
10K
6.21 mi11:41:4649:588:0224:47
7:59
#14679
15K
9.32 mi12:06:461:14:588:0325:00
8:03
#14682
20K
12.43 mi12:31:471:39:598:0325:01
8:03
#14432
Half
13.11 mi12:37:141:45:268:035:27
7:59
#14451
25K
15.53 mi12:56:412:04:538:0219:27
8:01
#14189
30K
18.64 mi13:21:532:30:058:0325:12
8:07
#13683
20M
20.00 mi13:32:492:41:018:0310:56
8:03
#13433
21M
21.00 mi13:41:112:49:238:048:22
8:22
#13168
35K
21.75 mi13:47:032:55:158:035:52
7:51
#13077
23M
23.00 mi13:57:073:05:198:0310:04
8:02
#12893
24M
24.00 mi14:04:553:13:078:037:48
7:48
#12736
40K
24.85 mi14:11:493:20:018:036:54
8:04
#12651
25.2M
25.20 mi14:14:443:22:568:032:55
8:27
#12593
Finish
26.22 mi14:22:403:30:528:037:56
7:47
#12489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147544485448514776(Top 56%)4549(Top 40%)4549(Top 93%)
10K6.21 mi3.10 mi14679+754450+354450+3514647(Top 55%)4445(Top 39%)4445(Top 91%)
15K9.32 mi3.11 mi14682-34461-114461-1114776(Top 56%)4549(Top 40%)4549(Top 93%)
20K12.43 mi3.11 mi14432+2504331+1304331+13013858(Top 52%)4017(Top 35%)4017(Top 82%)
Half13.11 mi0.68 mi14451-194349-184349-1814285(Top 54%)4229(Top 37%)4229(Top 87%)
25K15.53 mi2.42 mi14189+2624223+1264223+12612931(Top 49%)3588(Top 31%)3588(Top 73%)
30K18.64 mi3.11 mi13683+5063948+2753948+27511736(Top 44%)3037(Top 27%)3037(Top 62%)
20M20.00 mi1.36 mi13433+2503819+1293819+12910638(Top 40%)2564(Top 22%)2564(Top 52%)
21M21.00 mi1.00 mi13168+2653675+1443675+1449690(Top 36%)2246(Top 20%)2246(Top 46%)
35K21.75 mi0.75 mi13077+913640+353640+3511014(Top 41%)2891(Top 25%)2891(Top 59%)
23M23.00 mi1.25 mi12893+1843570+703570+7010075(Top 38%)2552(Top 22%)2552(Top 52%)
24M24.00 mi1.00 mi12736+1573492+783492+789843(Top 37%)2528(Top 22%)2528(Top 52%)
40K24.85 mi0.85 mi12651+853463+293463+2910555(Top 40%)2917(Top 26%)2917(Top 60%)
25.2M25.20 mi0.35 mi12593+583436+273436+279358(Top 35%)2417(Top 21%)2417(Top 49%)
Finish26.22 mi1.02 mi12489+1043399+373399+3710606(Top 40%)2998(Top 26%)2998(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14776

Females

4549

F18-39

4549

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14647

Females

4445

F18-39

4445

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14776

Females

4549

F18-39

4549

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13858

Females

4017

F18-39

4017

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14285

Females

4229

F18-39

4229

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12931

Females

3588

F18-39

3588

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11736

Females

3037

F18-39

3037

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10638

Females

2564

F18-39

2564

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9690

Females

2246

F18-39

2246

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11014

Females

2891

F18-39

2891

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10075

Females

2552

F18-39

2552

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9843

Females

2528

F18-39

2528

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10555

Females

2917

F18-39

2917

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9358

Females

2417

F18-39

2417

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10606

Females

2998

F18-39

2998

Passing Analysis

Category:
Athletes Passed
2976
Passed By
711
Net Change
+2265
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14754
5K → 10K331256+75#14754#14679
10K → 15K193196-3#14679#14682
15K → 20K32171+250#14682#14432
20K → Half2847-19#14432#14451
Half → 25K28624+262#14451#14189
25K → 30K52721+506#14189#13683
30K → 20M2555+250#13683#13433
20M → 21M2683+265#13433#13168
21M → 35K10716+91#13168#13077
35K → 23M19713+184#13077#12893
23M → 24M1647+157#12893#12736
24M → 40K10621+85#12736#12651
40K → 25.2M624+58#12651#12593
25.2M → Finish13127+104#12593#12489
TOTALS2976711+2265
📊

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