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BOSTON MARATHON 2023

Erin Muckian

Bib: 13130•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #9166
Start → 5K
7:26/mi
23:07 split
10K· 6.21 mi
46:04
Rank: #9289 (-123)
5K → 10K
7:23/mi
22:57 split
15K· 9.32 mi
1:08:49
Rank: #9070 (+219)
10K → 15K
7:19/mi
22:45 split
20K· 12.43 mi
1:31:38
Rank: #8798 (+272)
15K → 20K
7:21/mi
22:49 split
Half· 13.11 mi
1:36:32
Rank: #8743 (+55)
20K → Half
7:11/mi
4:54 split
25K· 15.53 mi
1:54:27
Rank: #8578 (+165)
Half → 25K
7:23/mi
17:55 split
30K· 18.64 mi
2:18:31
Rank: #8613 (-35)
25K → 30K
7:45/mi
24:04 split
20M
2:29:45
Rank: #8856 (-243)
30K → 20M
8:16/mi
11:14 split
21M
2:38:46
Rank: #9106 (-250)
20M → 21M
9:01/mi
9:01 split
35K· 21.75 mi
2:44:47
Rank: #9218 (-112)
21M → 35K
8:03/mi
6:01 split
23M
2:55:09
Rank: #9328 (-110)
35K → 23M
8:17/mi
10:22 split
24M
3:03:13
Rank: #9433 (-105)
23M → 24M
8:04/mi
8:04 split
40K· 24.85 mi
3:10:11
Rank: #9456 (-23)
24M → 40K
8:09/mi
6:58 split
25.2M
3:13:15
Rank: #9475 (-19)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:21:30
Rank: #9589 (-114)
25.2M → Finish
8:06/mi
8:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:32
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3523:077:2623:07
7:26
-
10K
6.21 mi11:14:3246:047:2522:57
7:23
-0:03
15K
9.32 mi11:37:171:08:497:2322:45
7:19
-0:04
20K
12.43 mi12:00:061:31:387:2222:49
7:21
+0:02
Half
13.11 mi12:05:001:36:327:224:54
7:11
-0:10
25K
15.53 mi12:22:551:54:277:2217:55
7:23
+0:12
30K
18.64 mi12:46:592:18:317:2624:04
7:45
+0:22
20M
20.00 mi12:58:132:29:457:2911:14
8:16
+0:31
21M
21.00 mi13:07:142:38:467:349:01
9:01
+0:45
35K
21.75 mi13:13:152:44:477:356:01
8:03
-0:58
23M
23.00 mi13:23:372:55:097:3710:22
8:17
+0:14
24M
24.00 mi13:31:413:03:137:388:04
8:04
-0:13
40K
24.85 mi13:38:393:10:117:396:58
8:09
+0:05
25.2M
25.20 mi13:41:433:13:157:403:04
8:54
+0:45
Finish
26.22 mi13:49:583:21:307:418:15
8:06
-0:48

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

7:11 /mi

Average Pace

7:41 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:31

69% of race

Time at Steady Pace

50:54

25% of race

Time at Slower Pace

12:05

6% of race

Average Pace: 7:41 /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 mi10:51:3523:077:2623:07
7:26
#9166
10K
6.21 mi11:14:3246:047:2522:57
7:23
#9289
15K
9.32 mi11:37:171:08:497:2322:45
7:19
#9070
20K
12.43 mi12:00:061:31:387:2222:49
7:21
#8798
Half
13.11 mi12:05:001:36:327:224:54
7:11
#8743
25K
15.53 mi12:22:551:54:277:2217:55
7:23
#8578
30K
18.64 mi12:46:592:18:317:2624:04
7:45
#8613
20M
20.00 mi12:58:132:29:457:2911:14
8:16
#8856
21M
21.00 mi13:07:142:38:467:349:01
9:01
#9106
35K
21.75 mi13:13:152:44:477:356:01
8:03
#9218
23M
23.00 mi13:23:372:55:097:3710:22
8:17
#9328
24M
24.00 mi13:31:413:03:137:388:04
8:04
#9433
40K
24.85 mi13:38:393:10:117:396:58
8:09
#9456
25.2M
25.20 mi13:41:433:13:157:403:04
8:54
#9475
Finish
26.22 mi13:49:583:21:307:418:15
8:06
#9589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9166146014608763(Top 33%)1353(Top 12%)1353(Top 28%)
10K6.21 mi3.10 mi9289-1231533-731533-739511(Top 36%)1628(Top 14%)1628(Top 33%)
15K9.32 mi3.11 mi9070+2191456+771456+778763(Top 33%)1353(Top 12%)1353(Top 28%)
20K12.43 mi3.11 mi8798+2721353+1031353+1038123(Top 31%)1149(Top 10%)1149(Top 24%)
Half13.11 mi0.68 mi8743+551336+171336+177818(Top 29%)1038(Top 9%)1038(Top 21%)
25K15.53 mi2.42 mi8578+1651289+471289+477965(Top 30%)1178(Top 10%)1178(Top 24%)
30K18.64 mi3.11 mi8613-351342-531342-538984(Top 34%)1703(Top 15%)1703(Top 35%)
20M20.00 mi1.36 mi8856-2431450-1081450-10812143(Top 46%)3351(Top 29%)3351(Top 69%)
21M21.00 mi1.00 mi9106-2501577-1271577-12713511(Top 51%)4206(Top 37%)4206(Top 86%)
35K21.75 mi0.75 mi9218-1121638-611638-6112432(Top 47%)3651(Top 32%)3651(Top 75%)
23M23.00 mi1.25 mi9328-1101704-661704-6611749(Top 44%)3371(Top 30%)3371(Top 69%)
24M24.00 mi1.00 mi9433-1051772-681772-6811702(Top 44%)3421(Top 30%)3421(Top 70%)
40K24.85 mi0.85 mi9456-231815-431815-4311029(Top 41%)3154(Top 28%)3154(Top 65%)
25.2M25.20 mi0.35 mi9475-191829-141829-1411918(Top 45%)3656(Top 32%)3656(Top 75%)
Finish26.22 mi1.02 mi9589-1141912-831912-8312750(Top 48%)4074(Top 36%)4074(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8763

Females

1353

F18-39

1353

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9511

Females

1628

F18-39

1628

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8763

Females

1353

F18-39

1353

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8123

Females

1149

F18-39

1149

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7818

Females

1038

F18-39

1038

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7965

Females

1178

F18-39

1178

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8984

Females

1703

F18-39

1703

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12143

Females

3351

F18-39

3351

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13511

Females

4206

F18-39

4206

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12432

Females

3651

F18-39

3651

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11749

Females

3371

F18-39

3371

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11702

Females

3421

F18-39

3421

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11029

Females

3154

F18-39

3154

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11918

Females

3656

F18-39

3656

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12750

Females

4074

F18-39

4074

Passing Analysis

Category:
Athletes Passed
1483
Passed By
1906
Net Change
-423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9166
5K → 10K220343-123#9166#9289
10K → 15K28061+219#9289#9070
15K → 20K29624+272#9070#8798
20K → Half572+55#8798#8743
Half → 25K18520+165#8743#8578
25K → 30K164199-35#8578#8613
30K → 20M29272-243#8613#8856
20M → 21M28278-250#8856#9106
21M → 35K15127-112#9106#9218
35K → 23M52162-110#9218#9328
23M → 24M42147-105#9328#9433
24M → 40K5679-23#9433#9456
40K → 25.2M2443-19#9456#9475
25.2M → Finish35149-114#9475#9589
TOTALS14831906-423
📊

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