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BOSTON MARATHON 2023

Margaret Muhly

PA

Bib: 16497 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F45-49)
#0 / 1817
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:05/mi
25:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:41/mi
49:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:53/mi
1:13:31
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:52/mi
1:37:58
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:43:13
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:48/mi
2:02:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:27:03
↑ 181↓ 1480.2%
138 ft elev
20M
8:08/mi
2:38:06
↑ 64↓ 500.2%
148 ft elev
21M
8:33/mi
2:46:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:57/mi
2:52:36
↑ 17↓ 861.7%
156 ft elev
23M
8:07/mi
3:02:46
↑ 23↓ 630.6%
116 ft elev
24M
8:04/mi
3:10:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:07/mi
3:17:46
↓ 200.3%
20 ft elev
25.2M
8:48/mi
3:20:48
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:11/mi
3:29:08
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3225:088:0525:08
8:05
-
10K
6.21 mi11:39:2549:017:5323:53
7:41
-0:24
15K
9.32 mi12:03:551:13:317:5324:30
7:53
+0:12
20K
12.43 mi12:28:221:37:587:5324:27
7:52
-0:01
Half
13.11 mi12:33:371:43:137:525:15
7:42
-0:10
25K
15.53 mi12:52:322:02:087:5218:55
7:48
+0:06
30K
18.64 mi13:17:272:27:037:5324:55
8:01
+0:13
20M
20.00 mi13:28:302:38:067:5411:03
8:08
+0:07
21M
21.00 mi13:37:032:46:397:568:33
8:33
+0:25
35K
21.75 mi13:43:002:52:367:565:57
7:57
-0:36
23M
23.00 mi13:53:103:02:467:5710:10
8:07
+0:10
24M
24.00 mi14:01:143:10:507:578:04
8:04
-0:03
40K
24.85 mi14:08:103:17:467:576:56
8:07
+0:03
25.2M
25.20 mi14:11:123:20:487:583:02
8:48
+0:41
Finish
26.22 mi14:19:323:29:087:598:20
8:11
-0:37

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

7:41 /mi

Average Pace

7:59 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:33

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:15:3225:088:0525:08
8:05
#14637
10K
6.21 mi11:39:2549:017:5323:53
7:41
#13495
15K
9.32 mi12:03:551:13:317:5324:30
7:53
#13477
20K
12.43 mi12:28:221:37:587:5324:27
7:52
#13159
Half
13.11 mi12:33:371:43:137:525:15
7:42
#13079
25K
15.53 mi12:52:322:02:087:5218:55
7:48
#12702
30K
18.64 mi13:17:272:27:037:5324:55
8:01
#12374
20M
20.00 mi13:28:302:38:067:5411:03
8:08
#12253
21M
21.00 mi13:37:032:46:397:568:33
8:33
#12143
35K
21.75 mi13:43:002:52:367:565:57
7:57
#12133
23M
23.00 mi13:53:103:02:467:5710:10
8:07
#12022
24M
24.00 mi14:01:143:10:507:578:04
8:04
#12002
40K
24.85 mi14:08:103:17:467:576:56
8:07
#11948
25.2M
25.20 mi14:11:123:20:487:583:02
8:48
#11935
Finish
26.22 mi14:19:323:29:087:598:20
8:11
#11995
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi146374406440613402(Top 50%)3725(Top 33%)3725(Top 205%)
10K6.21 mi3.10 mi13495+11423731+6753731+67512131(Top 46%)2944(Top 26%)2944(Top 162%)
15K9.32 mi3.11 mi13477+183737-63737-613402(Top 50%)3725(Top 33%)3725(Top 205%)
20K12.43 mi3.11 mi13159+3183584+1533584+15312351(Top 46%)3167(Top 28%)3167(Top 174%)
Half13.11 mi0.68 mi13079+803529+553529+5511924(Top 45%)2876(Top 25%)2876(Top 158%)
25K15.53 mi2.42 mi12702+3773335+1943335+19411128(Top 42%)2554(Top 22%)2554(Top 141%)
30K18.64 mi3.11 mi12374+3283189+1463189+14611081(Top 42%)2685(Top 24%)2685(Top 148%)
20M20.00 mi1.36 mi12253+1213131+583131+5811263(Top 42%)2859(Top 25%)2859(Top 157%)
21M21.00 mi1.00 mi12143+1103092+393092+3910789(Top 41%)2768(Top 24%)2768(Top 152%)
35K21.75 mi0.75 mi12133+103109-173109-1711814(Top 44%)3321(Top 29%)3321(Top 183%)
23M23.00 mi1.25 mi12022+1113074+353074+3510634(Top 40%)2837(Top 25%)2837(Top 156%)
24M24.00 mi1.00 mi12002+203079-53079-511716(Top 44%)3435(Top 30%)3435(Top 189%)
40K24.85 mi0.85 mi11948+543070+93070+910796(Top 41%)3044(Top 27%)3044(Top 168%)
25.2M25.20 mi0.35 mi11935+133067+33067+311370(Top 43%)3382(Top 30%)3382(Top 186%)
Finish26.22 mi1.02 mi11995-603122-553122-5513295(Top 50%)4354(Top 38%)4354(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13402

Females

3725

F45-49

3725

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12131

Females

2944

F45-49

2944

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13402

Females

3725

F45-49

3725

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12351

Females

3167

F45-49

3167

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11924

Females

2876

F45-49

2876

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11128

Females

2554

F45-49

2554

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11081

Females

2685

F45-49

2685

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11263

Females

2859

F45-49

2859

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10789

Females

2768

F45-49

2768

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11814

Females

3321

F45-49

3321

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10634

Females

2837

F45-49

2837

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11716

Females

3435

F45-49

3435

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10796

Females

3044

F45-49

3044

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11370

Females

3382

F45-49

3382

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13295

Females

4354

F45-49

4354

Passing Analysis

Category:
Athletes Passed
3384
Passed By
742
Net Change
+2642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14637
5K → 10K118543+1142#14637#13495
10K → 15K216198+18#13495#13477
15K → 20K37355+318#13477#13159
20K → Half866+80#13159#13079
Half → 25K3869+377#13079#12702
25K → 30K38153+328#12702#12374
30K → 20M15837+121#12374#12253
20M → 21M14737+110#12253#12143
21M → 35K5646+10#12143#12133
35K → 23M13726+111#12133#12022
23M → 24M8161+20#12022#12002
24M → 40K9238+54#12002#11948
40K → 25.2M3320+13#11948#11935
25.2M → Finish53113-60#11935#11995
TOTALS3384742+2642
📊

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