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BOSTON MARATHON 2023

Margaret Moss

Bib: 25624•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:15
Rank: #24431
Start → 5K
32:15 | 10:23/mi
10K· 6.21 mi
1:02:27
Rank: #23736 (+695)
5K → 10K
30:12 | 9:43/mi
15K· 9.32 mi
1:31:14
Rank: #23122 (+614)
10K → 15K
28:47 | 9:16/mi
20K· 12.43 mi
1:59:50
Rank: #22525 (+597)
15K → 20K
28:36 | 9:12/mi
Half· 13.11 mi
2:06:08
Rank: #22470 (+55)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:28:46
Rank: #22123 (+347)
Half → 25K
22:38 | 9:20/mi
30K· 18.64 mi
2:59:09
Rank: #21781 (+342)
25K → 30K
30:23 | 9:47/mi
20M
3:12:50
Rank: #21708 (+73)
30K → 20M
13:41 | 10:04/mi
21M
3:23:30
Rank: #21617 (+91)
20M → 21M
10:40 | 10:40/mi
35K· 21.75 mi
3:31:01
Rank: #21611 (+6)
21M → 35K
7:31 | 10:03/mi
23M
3:44:16
Rank: #21606 (+5)
35K → 23M
13:15 | 10:35/mi
24M
3:54:31
Rank: #21593 (+13)
23M → 24M
10:15 | 10:15/mi
40K· 24.85 mi
4:03:33
Rank: #21601 (-8)
24M → 40K
9:02 | 10:34/mi
25.2M
4:06:49
Rank: #21515 (+86)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
4:15:40
Rank: #21340 (+175)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:08
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:09:32
Pace9:53 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1232:1510:2332:15
10:23
-
10K
6.21 mi12:20:241:02:2710:0330:12
9:43
-0:40
15K
9.32 mi12:49:111:31:149:4728:47
9:16
-0:27
20K
12.43 mi13:17:471:59:509:3928:36
9:12
-0:04
Half
13.11 mi13:24:052:06:089:376:18
9:14
+0:02
25K
15.53 mi13:46:432:28:469:3522:38
9:20
+0:06
30K
18.64 mi14:17:062:59:099:3730:23
9:47
+0:27
20M
20.00 mi14:30:473:12:509:3813:41
10:04
+0:17
21M
21.00 mi14:41:273:23:309:4110:40
10:40
+0:36
35K
21.75 mi14:48:583:31:019:427:31
10:03
-0:37
23M
23.00 mi15:02:133:44:169:4513:15
10:35
+0:32
24M
24.00 mi15:12:283:54:319:4610:15
10:15
-0:20
40K
24.85 mi15:21:304:03:339:489:02
10:34
+0:19
25.2M
25.20 mi15:24:464:06:499:483:16
9:28
-1:06
Finish
26.22 mi15:33:374:15:409:458:51
8:41
-0:47

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

8:41 /mi

Average Pace

9:45 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:26

39% of race

Time at Steady Pace

1:21:47

32% of race

Time at Slower Pace

1:15:27

30% of race

Average Pace: 9:45 /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 mi11:50:1232:1510:2332:15
10:23
#24431
10K
6.21 mi12:20:241:02:2710:0330:12
9:43
#23736
15K
9.32 mi12:49:111:31:149:4728:47
9:16
#23122
20K
12.43 mi13:17:471:59:509:3928:36
9:12
#22525
Half
13.11 mi13:24:052:06:089:376:18
9:14
#22470
25K
15.53 mi13:46:432:28:469:3522:38
9:20
#22123
30K
18.64 mi14:17:062:59:099:3730:23
9:47
#21781
20M
20.00 mi14:30:473:12:509:3813:41
10:04
#21708
21M
21.00 mi14:41:273:23:309:4110:40
10:40
#21617
35K
21.75 mi14:48:583:31:019:427:31
10:03
#21611
23M
23.00 mi15:02:133:44:169:4513:15
10:35
#21606
24M
24.00 mi15:12:283:54:319:4610:15
10:15
#21593
40K
24.85 mi15:21:304:03:339:489:02
10:34
#21601
25.2M
25.20 mi15:24:464:06:499:483:16
9:28
#21515
Finish
26.22 mi15:33:374:15:409:458:51
8:41
#21340
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24431101151011521536(Top 81%)8522(Top 75%)8522(Top 174%)
10K6.21 mi3.10 mi23736+6959749+3669749+36623092(Top 87%)9379(Top 82%)9379(Top 192%)
15K9.32 mi3.11 mi23122+6149416+3339416+33321536(Top 81%)8522(Top 75%)8522(Top 174%)
20K12.43 mi3.11 mi22525+5979105+3119105+31120606(Top 77%)8013(Top 70%)8013(Top 164%)
Half13.11 mi0.68 mi22470+559071+349071+3421300(Top 80%)8411(Top 74%)8411(Top 172%)
25K15.53 mi2.42 mi22123+3478896+1758896+17520318(Top 76%)7879(Top 69%)7879(Top 161%)
30K18.64 mi3.11 mi21781+3428710+1868710+18620398(Top 77%)7999(Top 70%)7999(Top 164%)
20M20.00 mi1.36 mi21708+738680+308680+3020684(Top 78%)8242(Top 72%)8242(Top 169%)
21M21.00 mi1.00 mi21617+918642+388642+3820072(Top 75%)7970(Top 70%)7970(Top 163%)
35K21.75 mi0.75 mi21611+68647-58647-521420(Top 80%)8724(Top 76%)8724(Top 179%)
23M23.00 mi1.25 mi21606+58662-158662-1521520(Top 81%)8798(Top 77%)8798(Top 180%)
24M24.00 mi1.00 mi21593+138667-58667-521452(Top 81%)8820(Top 77%)8820(Top 181%)
40K24.85 mi0.85 mi21601-88677-108677-1021377(Top 80%)8822(Top 77%)8822(Top 181%)
25.2M25.20 mi0.35 mi21515+868639+388639+3815183(Top 57%)5437(Top 48%)5437(Top 111%)
Finish26.22 mi1.02 mi21340+1758550+898550+8916440(Top 62%)6077(Top 53%)6077(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21536

Females

8522

F18-39

8522

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23092

Females

9379

F18-39

9379

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21536

Females

8522

F18-39

8522

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20606

Females

8013

F18-39

8013

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21300

Females

8411

F18-39

8411

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20318

Females

7879

F18-39

7879

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20398

Females

7999

F18-39

7999

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20684

Females

8242

F18-39

8242

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

20072

Females

7970

F18-39

7970

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21420

Females

8724

F18-39

8724

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21520

Females

8798

F18-39

8798

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21452

Females

8820

F18-39

8820

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21377

Females

8822

F18-39

8822

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15183

Females

5437

F18-39

5437

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16440

Females

6077

F18-39

6077

Passing Analysis

Category:
Athletes Passed
3363
Passed By
272
Net Change
+3091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24431
5K → 10K71621+695#24431#23736
10K → 15K6173+614#23736#23122
15K → 20K5970+597#23122#22525
20K → Half594+55#22525#22470
Half → 25K3503+347#22470#22123
25K → 30K35816+342#22123#21781
30K → 20M10128+73#21781#21708
20M → 21M10918+91#21708#21617
21M → 35K3832+6#21617#21611
35K → 23M7166+5#21611#21606
23M → 24M4431+13#21606#21593
24M → 40K3947-8#21593#21601
40K → 25.2M860+86#21601#21515
25.2M → Finish1783+175#21515#21340
TOTALS3363272+3091
📊

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