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BOSTON MARATHON 2023

Margaret Sutherland

Bib: 22384•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:17
Rank: #19374
Start → 5K
27:17 | 8:47/mi
10K· 6.21 mi
55:03
Rank: #19985 (-611)
5K → 10K
27:46 | 8:56/mi
15K· 9.32 mi
1:22:42
Rank: #19994 (-9)
10K → 15K
27:39 | 8:54/mi
20K· 12.43 mi
1:52:33
Rank: #20613 (-619)
15K → 20K
29:51 | 9:36/mi
Half· 13.11 mi
1:58:40
Rank: #20586 (+27)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:20:48
Rank: #20410 (+176)
Half → 25K
22:08 | 9:08/mi
30K· 18.64 mi
2:50:34
Rank: #20280 (+130)
25K → 30K
29:46 | 9:35/mi
20M
3:03:56
Rank: #20241 (+39)
30K → 20M
13:22 | 9:50/mi
21M
3:14:56
Rank: #20267 (-26)
20M → 21M
11:00 | 11:00/mi
35K· 21.75 mi
3:22:33
Rank: #20322 (-55)
21M → 35K
7:37 | 10:11/mi
23M
3:35:34
Rank: #20372 (-50)
35K → 23M
13:01 | 10:24/mi
24M
3:46:02
Rank: #20454 (-82)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
3:56:29
Rank: #20683 (-229)
24M → 40K
10:27 | 12:13/mi
25.2M
4:00:40
Rank: #20728 (-45)
40K → 25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:10:51
Rank: #20748 (-20)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:40
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:12:11
Pace10:05 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2127:178:4727:17
8:47
-
10K
6.21 mi11:49:0755:038:5227:46
8:56
+0:09
15K
9.32 mi12:16:461:22:428:5227:39
8:54
-0:02
20K
12.43 mi12:46:371:52:339:0329:51
9:36
+0:42
Half
13.11 mi12:52:441:58:409:036:07
8:58
-0:38
25K
15.53 mi13:14:522:20:489:0422:08
9:08
+0:10
30K
18.64 mi13:44:382:50:349:0929:46
9:35
+0:27
20M
20.00 mi13:58:003:03:569:1213:22
9:50
+0:15
21M
21.00 mi14:09:003:14:569:1711:00
11:00
+1:10
35K
21.75 mi14:16:373:22:339:197:37
10:11
-0:49
23M
23.00 mi14:29:383:35:349:2213:01
10:24
+0:13
24M
24.00 mi14:40:063:46:029:2510:28
10:28
+0:04
40K
24.85 mi14:50:333:56:299:3110:27
12:13
+1:45
25.2M
25.20 mi14:54:444:00:409:334:11
12:08
-0:05
Finish
26.22 mi15:04:554:10:519:3410:11
10:00
-2:08

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

8:47 /mi

Average Pace

9:34 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:57

44% of race

Time at Steady Pace

1:30:47

36% of race

Time at Slower Pace

49:07

20% of race

Average Pace: 9:34 /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 mi11:21:2127:178:4727:17
8:47
#19374
10K
6.21 mi11:49:0755:038:5227:46
8:56
#19985
15K
9.32 mi12:16:461:22:428:5227:39
8:54
#19994
20K
12.43 mi12:46:371:52:339:0329:51
9:36
#20613
Half
13.11 mi12:52:441:58:409:036:07
8:58
#20586
25K
15.53 mi13:14:522:20:489:0422:08
9:08
#20410
30K
18.64 mi13:44:382:50:349:0929:46
9:35
#20280
20M
20.00 mi13:58:003:03:569:1213:22
9:50
#20241
21M
21.00 mi14:09:003:14:569:1711:00
11:00
#20267
35K
21.75 mi14:16:373:22:339:197:37
10:11
#20322
23M
23.00 mi14:29:383:35:349:2213:01
10:24
#20372
24M
24.00 mi14:40:063:46:029:2510:28
10:28
#20454
40K
24.85 mi14:50:333:56:299:3110:27
12:13
#20683
25.2M
25.20 mi14:54:444:00:409:334:11
12:08
#20728
Finish
26.22 mi15:04:554:10:519:3410:11
10:00
#20748
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193747425742520051(Top 75%)7712(Top 68%)7712(Top 639%)
10K6.21 mi3.10 mi19985-6117759-3347759-33420638(Top 78%)8058(Top 71%)8058(Top 668%)
15K9.32 mi3.11 mi19994-97736+237736+2320051(Top 75%)7712(Top 68%)7712(Top 639%)
20K12.43 mi3.11 mi20613-6198060-3248060-32421888(Top 82%)8735(Top 76%)8735(Top 724%)
Half13.11 mi0.68 mi20586+278041+198041+1920345(Top 76%)7880(Top 69%)7880(Top 653%)
25K15.53 mi2.42 mi20410+1767941+1007941+10019556(Top 73%)7458(Top 65%)7458(Top 618%)
30K18.64 mi3.11 mi20280+1307887+547887+5419731(Top 74%)7610(Top 67%)7610(Top 630%)
20M20.00 mi1.36 mi20241+397879+87879+819981(Top 75%)7842(Top 69%)7842(Top 650%)
21M21.00 mi1.00 mi20267-267904-257904-2520836(Top 78%)8372(Top 73%)8372(Top 694%)
35K21.75 mi0.75 mi20322-557944-407944-4021744(Top 82%)8898(Top 78%)8898(Top 737%)
23M23.00 mi1.25 mi20372-507981-377981-3721062(Top 79%)8557(Top 75%)8557(Top 709%)
24M24.00 mi1.00 mi20454-828040-598040-5921973(Top 83%)9082(Top 80%)9082(Top 752%)
40K24.85 mi0.85 mi20683-2298178-1388178-13824144(Top 91%)10250(Top 90%)10250(Top 849%)
25.2M25.20 mi0.35 mi20728-458208-308208-3022735(Top 85%)9512(Top 83%)9512(Top 788%)
Finish26.22 mi1.02 mi20748-208227-198227-1921749(Top 82%)8982(Top 79%)8982(Top 744%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

20051

Females

7712

F50-54

7712

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20638

Females

8058

F50-54

8058

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

20051

Females

7712

F50-54

7712

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21888

Females

8735

F50-54

8735

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20345

Females

7880

F50-54

7880

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19556

Females

7458

F50-54

7458

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19731

Females

7610

F50-54

7610

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19981

Females

7842

F50-54

7842

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20836

Females

8372

F50-54

8372

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21744

Females

8898

F50-54

8898

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

21062

Females

8557

F50-54

8557

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21973

Females

9082

F50-54

9082

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24144

Females

10250

F50-54

10250

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22735

Females

9512

F50-54

9512

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21749

Females

8982

F50-54

8982

Passing Analysis

Category:
Athletes Passed
1104
Passed By
2478
Net Change
-1374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19374
5K → 10K114725-611#19374#19985
10K → 15K187196-9#19985#19994
15K → 20K46665-619#19994#20613
20K → Half4013+27#20613#20586
Half → 25K21135+176#20586#20410
25K → 30K21282+130#20410#20280
30K → 20M9758+39#20280#20241
20M → 21M6591-26#20241#20267
21M → 35K2378-55#20267#20322
35K → 23M53103-50#20322#20372
23M → 24M18100-82#20372#20454
24M → 40K7236-229#20454#20683
40K → 25.2M651-45#20683#20728
25.2M → Finish2545-20#20728#20748
TOTALS11042478-1374
📊

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