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BOSTON MARATHON 2023

Kim Morin

Bib: 21189•F

ON

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #21918
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
55:52
Rank: #20619 (+1299)
5K → 10K
26:32 | 8:32/mi
15K· 9.32 mi
1:22:35
Rank: #19921 (+698)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:49:55
Rank: #19563 (+358)
15K → 20K
27:20 | 8:48/mi
Half· 13.11 mi
1:55:44
Rank: #19483 (+80)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:18:38
Rank: #19752 (-269)
Half → 25K
22:54 | 9:27/mi
30K· 18.64 mi
2:48:47
Rank: #19849 (-97)
25K → 30K
30:09 | 9:42/mi
20M
3:02:50
Rank: #20007 (-158)
30K → 20M
14:03 | 10:20/mi
21M
3:13:51
Rank: #20085 (-78)
20M → 21M
11:01 | 11:01/mi
35K· 21.75 mi
3:20:41
Rank: #20015 (+70)
21M → 35K
6:50 | 9:08/mi
23M
3:32:45
Rank: #19932 (+83)
35K → 23M
12:04 | 9:38/mi
24M
3:41:33
Rank: #19791 (+141)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:50:26
Rank: #19857 (-66)
24M → 40K
8:53 | 10:23/mi
25.2M
3:53:58
Rank: #19836 (+21)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:03:13
Rank: #19787 (+49)
25.2M → Finish
9:15 | 9:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:44
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:07:29
Pace9:43 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1229:209:2629:20
9:26
-
10K
6.21 mi12:11:4455:528:5926:32
8:32
-0:54
15K
9.32 mi12:38:271:22:358:5226:43
8:36
+0:04
20K
12.43 mi13:05:471:49:558:5127:20
8:48
+0:12
Half
13.11 mi13:11:361:55:448:505:49
8:32
-0:16
25K
15.53 mi13:34:302:18:388:5522:54
9:27
+0:55
30K
18.64 mi14:04:392:48:479:0330:09
9:42
+0:15
20M
20.00 mi14:18:423:02:509:0814:03
10:20
+0:38
21M
21.00 mi14:29:433:13:519:1411:01
11:01
+0:41
35K
21.75 mi14:36:333:20:419:146:50
9:08
-1:53
23M
23.00 mi14:48:373:32:459:1512:04
9:38
+0:30
24M
24.00 mi14:57:253:41:339:148:48
8:48
-0:50
40K
24.85 mi15:06:183:50:269:168:53
10:23
+1:35
25.2M
25.20 mi15:09:503:53:589:173:32
10:15
-0:08
Finish
26.22 mi15:19:054:03:139:179:15
9:05
-1:10

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

8:32 /mi

Average Pace

9:17 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:12

39% of race

Time at Steady Pace

1:50:32

45% of race

Time at Slower Pace

37:29

15% of race

Average Pace: 9:17 /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 mi11:45:1229:209:2629:20
9:26
#21918
10K
6.21 mi12:11:4455:528:5926:32
8:32
#20619
15K
9.32 mi12:38:271:22:358:5226:43
8:36
#19921
20K
12.43 mi13:05:471:49:558:5127:20
8:48
#19563
Half
13.11 mi13:11:361:55:448:505:49
8:32
#19483
25K
15.53 mi13:34:302:18:388:5522:54
9:27
#19752
30K
18.64 mi14:04:392:48:479:0330:09
9:42
#19849
20M
20.00 mi14:18:423:02:509:0814:03
10:20
#20007
21M
21.00 mi14:29:433:13:519:1411:01
11:01
#20085
35K
21.75 mi14:36:333:20:419:146:50
9:08
#20015
23M
23.00 mi14:48:373:32:459:1512:04
9:38
#19932
24M
24.00 mi14:57:253:41:339:148:48
8:48
#19791
40K
24.85 mi15:06:183:50:269:168:53
10:23
#19857
25.2M
25.20 mi15:09:503:53:589:173:32
10:15
#19836
Finish
26.22 mi15:19:054:03:139:179:15
9:05
#19787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi219188840884018458(Top 69%)6773(Top 59%)6773(Top 373%)
10K6.21 mi3.10 mi20619+12998099+7418099+74118509(Top 70%)6775(Top 59%)6775(Top 373%)
15K9.32 mi3.11 mi19921+6987690+4097690+40918458(Top 69%)6773(Top 59%)6773(Top 373%)
20K12.43 mi3.11 mi19563+3587463+2277463+22718677(Top 70%)6903(Top 60%)6903(Top 380%)
Half13.11 mi0.68 mi19483+807423+407423+4017922(Top 67%)6451(Top 56%)6451(Top 355%)
25K15.53 mi2.42 mi19752-2697578-1557578-15520658(Top 78%)8076(Top 71%)8076(Top 444%)
30K18.64 mi3.11 mi19849-977644-667644-6620158(Top 76%)7860(Top 69%)7860(Top 433%)
20M20.00 mi1.36 mi20007-1587748-1047748-10421371(Top 80%)8621(Top 75%)8621(Top 474%)
21M21.00 mi1.00 mi20085-787799-517799-5120873(Top 78%)8390(Top 73%)8390(Top 462%)
35K21.75 mi0.75 mi20015+707762+377762+3718513(Top 70%)7121(Top 62%)7121(Top 392%)
23M23.00 mi1.25 mi19932+837728+347728+3418882(Top 71%)7345(Top 64%)7345(Top 404%)
24M24.00 mi1.00 mi19791+1417645+837645+8316238(Top 61%)5951(Top 52%)5951(Top 328%)
40K24.85 mi0.85 mi19857-667697-527697-5220959(Top 79%)8576(Top 75%)8576(Top 472%)
25.2M25.20 mi0.35 mi19836+217693+47693+418335(Top 69%)7144(Top 63%)7144(Top 393%)
Finish26.22 mi1.02 mi19787+497665+287665+2818395(Top 69%)7116(Top 62%)7116(Top 392%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18458

Females

6773

F45-49

6773

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18509

Females

6775

F45-49

6775

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18458

Females

6773

F45-49

6773

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18677

Females

6903

F45-49

6903

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17922

Females

6451

F45-49

6451

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20658

Females

8076

F45-49

8076

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20158

Females

7860

F45-49

7860

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21371

Females

8621

F45-49

8621

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20873

Females

8390

F45-49

8390

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18513

Females

7121

F45-49

7121

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18882

Females

7345

F45-49

7345

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16238

Females

5951

F45-49

5951

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20959

Females

8576

F45-49

8576

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18335

Females

7144

F45-49

7144

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18395

Females

7116

F45-49

7116

Passing Analysis

Category:
Athletes Passed
3257
Passed By
1126
Net Change
+2131
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21918
5K → 10K131617+1299#21918#20619
10K → 15K71214+698#20619#19921
15K → 20K39436+358#19921#19563
20K → Half844+80#19563#19483
Half → 25K48317-269#19483#19752
25K → 30K137234-97#19752#19849
30K → 20M39197-158#19849#20007
20M → 21M53131-78#20007#20085
21M → 35K8313+70#20085#20015
35K → 23M10926+83#20015#19932
23M → 24M1443+141#19932#19791
24M → 40K3197-66#19791#19857
40K → 25.2M4120+21#19857#19836
25.2M → Finish6617+49#19836#19787
TOTALS32571126+2131
📊

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