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BOSTON MARATHON 2023

Michelle Walsh

Bib: 12256•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #8937
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
45:30
Rank: #8605 (+332)
5K → 10K
22:28 | 7:14/mi
15K· 9.32 mi
1:08:02
Rank: #8462 (+143)
10K → 15K
22:32 | 7:15/mi
20K· 12.43 mi
1:30:53
Rank: #8342 (+120)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:35:49
Rank: #8326 (+16)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:58
Rank: #8357 (-31)
Half → 25K
18:09 | 7:29/mi
30K· 18.64 mi
2:18:30
Rank: #8607 (-250)
25K → 30K
24:32 | 7:54/mi
20M
2:29:22
Rank: #8705 (-98)
30K → 20M
10:52 | 8:00/mi
21M
2:38:04
Rank: #8868 (-163)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:43:55
Rank: #8924 (-56)
21M → 35K
5:51 | 7:49/mi
23M
2:54:08
Rank: #9006 (-82)
35K → 23M
10:13 | 8:10/mi
24M
3:02:05
Rank: #9073 (-67)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:09:06
Rank: #9124 (-51)
24M → 40K
7:01 | 8:12/mi
25.2M
3:12:10
Rank: #9165 (-41)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:20:16
Rank: #9269 (-104)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:49
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0323:027:2523:02
7:25
-
10K
6.21 mi11:13:3145:307:1922:28
7:14
-0:11
15K
9.32 mi11:36:031:08:027:1822:32
7:15
+0:01
20K
12.43 mi11:58:541:30:537:1922:51
7:21
+0:06
Half
13.11 mi12:03:501:35:497:194:56
7:14
-0:07
25K
15.53 mi12:21:591:53:587:2018:09
7:29
+0:15
30K
18.64 mi12:46:312:18:307:2624:32
7:54
+0:25
20M
20.00 mi12:57:232:29:227:2810:52
8:00
+0:06
21M
21.00 mi13:06:052:38:047:328:42
8:42
+0:42
35K
21.75 mi13:11:562:43:557:325:51
7:49
-0:53
23M
23.00 mi13:22:092:54:087:3410:13
8:10
+0:21
24M
24.00 mi13:30:063:02:057:357:57
7:57
-0:13
40K
24.85 mi13:37:073:09:067:367:01
8:12
+0:15
25.2M
25.20 mi13:40:113:12:107:383:04
8:54
+0:42
Finish
26.22 mi13:48:173:20:167:398:06
7:57
-0:57

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

7:14 /mi

Average Pace

7:39 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:58

57% of race

Time at Steady Pace

57:18

29% of race

Time at Slower Pace

29:00

14% of race

Average Pace: 7:38 /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 mi10:51:0323:027:2523:02
7:25
#8937
10K
6.21 mi11:13:3145:307:1922:28
7:14
#8605
15K
9.32 mi11:36:031:08:027:1822:32
7:15
#8462
20K
12.43 mi11:58:541:30:537:1922:51
7:21
#8342
Half
13.11 mi12:03:501:35:497:194:56
7:14
#8326
25K
15.53 mi12:21:591:53:587:2018:09
7:29
#8357
30K
18.64 mi12:46:312:18:307:2624:32
7:54
#8607
20M
20.00 mi12:57:232:29:227:2810:52
8:00
#8705
21M
21.00 mi13:06:052:38:047:328:42
8:42
#8868
35K
21.75 mi13:11:562:43:557:325:51
7:49
#8924
23M
23.00 mi13:22:092:54:087:3410:13
8:10
#9006
24M
24.00 mi13:30:063:02:057:357:57
7:57
#9073
40K
24.85 mi13:37:073:09:067:367:01
8:12
#9124
25.2M
25.20 mi13:40:113:12:107:383:04
8:54
#9165
Finish
26.22 mi13:48:173:20:167:398:06
7:57
#9269
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8937137513758203(Top 31%)1148(Top 10%)1148(Top 24%)
10K6.21 mi3.10 mi8605+3321260+1151260+1158355(Top 31%)1174(Top 10%)1174(Top 24%)
15K9.32 mi3.11 mi8462+1431205+551205+558203(Top 31%)1148(Top 10%)1148(Top 24%)
20K12.43 mi3.11 mi8342+1201172+331172+338193(Top 31%)1173(Top 10%)1173(Top 24%)
Half13.11 mi0.68 mi8326+161171+11171+18164(Top 31%)1170(Top 10%)1170(Top 24%)
25K15.53 mi2.42 mi8357-311208-371208-378706(Top 33%)1435(Top 13%)1435(Top 29%)
30K18.64 mi3.11 mi8607-2501339-1311339-13110113(Top 38%)2212(Top 19%)2212(Top 45%)
20M20.00 mi1.36 mi8705-981394-551394-5510245(Top 38%)2338(Top 20%)2338(Top 48%)
21M21.00 mi1.00 mi8868-1631469-751469-7511669(Top 44%)3220(Top 28%)3220(Top 66%)
35K21.75 mi0.75 mi8924-561506-371506-3710819(Top 41%)2771(Top 24%)2771(Top 57%)
23M23.00 mi1.25 mi9006-821568-621568-6210899(Top 41%)2966(Top 26%)2966(Top 61%)
24M24.00 mi1.00 mi9073-671623-551623-5510892(Top 41%)3023(Top 26%)3023(Top 62%)
40K24.85 mi0.85 mi9124-511669-461669-4611411(Top 43%)3359(Top 29%)3359(Top 69%)
25.2M25.20 mi0.35 mi9165-411696-271696-2711916(Top 45%)3654(Top 32%)3654(Top 75%)
Finish26.22 mi1.02 mi9269-1041762-661762-6611740(Top 44%)3560(Top 31%)3560(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8203

Females

1148

F18-39

1148

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8355

Females

1174

F18-39

1174

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8203

Females

1148

F18-39

1148

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8193

Females

1173

F18-39

1173

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8164

Females

1170

F18-39

1170

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8706

Females

1435

F18-39

1435

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10113

Females

2212

F18-39

2212

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10245

Females

2338

F18-39

2338

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11669

Females

3220

F18-39

3220

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10819

Females

2771

F18-39

2771

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10899

Females

2966

F18-39

2966

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10892

Females

3023

F18-39

3023

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11411

Females

3359

F18-39

3359

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11916

Females

3654

F18-39

3654

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11740

Females

3560

F18-39

3560

Passing Analysis

Category:
Athletes Passed
1362
Passed By
1694
Net Change
-332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8937
5K → 10K453121+332#8937#8605
10K → 15K21269+143#8605#8462
15K → 20K18969+120#8462#8342
20K → Half2812+16#8342#8326
Half → 25K106137-31#8326#8357
25K → 30K81331-250#8357#8607
30K → 20M51149-98#8607#8705
20M → 21M38201-163#8705#8868
21M → 35K2682-56#8868#8924
35K → 23M52134-82#8924#9006
23M → 24M46113-67#9006#9073
24M → 40K3889-51#9073#9124
40K → 25.2M1455-41#9124#9165
25.2M → Finish28132-104#9165#9269
TOTALS13621694-332
📊

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