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BOSTON MARATHON 2023

Kim Lations

Bib: 23107•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F55-59)
#0 / 815
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:39/mi
26:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
53:18
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:19:34
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:45:57
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:51:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:12:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:39:37
↑ 181↓ 1480.2%
20M
8:54/mi
2:51:42
↑ 64↓ 500.2%
21M
9:10/mi
3:00:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:07:20
↑ 17↓ 861.7%
23M
8:42/mi
3:18:14
↑ 23↓ 630.6%
24M
8:36/mi
3:26:50
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:34:22
↓ 200.3%
25.2M
9:20/mi
3:37:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:46:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:47
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:54:36
Pace8:45 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4126:538:3926:53
8:39
-
10K
6.21 mi11:46:0653:188:3526:25
8:30
-0:09
15K
9.32 mi12:12:221:19:348:3226:16
8:27
-0:03
20K
12.43 mi12:38:451:45:578:3226:23
8:30
+0:03
Half
13.11 mi12:44:351:51:478:325:50
8:33
+0:03
25K
15.53 mi13:05:162:12:288:3220:41
8:32
-0:01
30K
18.64 mi13:32:252:39:378:3427:09
8:44
+0:12
20M
20.00 mi13:44:302:51:428:3512:05
8:54
+0:10
21M
21.00 mi13:53:403:00:528:379:10
9:10
+0:16
35K
21.75 mi14:00:083:07:208:376:28
8:39
-0:31
23M
23.00 mi14:11:023:18:148:3710:54
8:42
+0:03
24M
24.00 mi14:19:383:26:508:378:36
8:36
-0:06
40K
24.85 mi14:27:103:34:228:377:32
8:49
+0:13
25.2M
25.20 mi14:30:233:37:358:383:13
9:20
+0:31
Finish
26.22 mi14:39:113:46:238:388:48
8:38
-0:42

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

8:27 /mi

Average Pace

8:38 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:10

99% of race

Time at Steady Pace

3:13

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:19:4126:538:3926:53
8:39
#18587
10K
6.21 mi11:46:0653:188:3526:25
8:30
#18389
15K
9.32 mi12:12:221:19:348:3226:16
8:27
#18092
20K
12.43 mi12:38:451:45:578:3226:23
8:30
#17732
Half
13.11 mi12:44:351:51:478:325:50
8:33
#17726
25K
15.53 mi13:05:162:12:288:3220:41
8:32
#17498
30K
18.64 mi13:32:252:39:378:3427:09
8:44
#17137
20M
20.00 mi13:44:302:51:428:3512:05
8:54
#17039
21M
21.00 mi13:53:403:00:528:379:10
9:10
#16885
35K
21.75 mi14:00:083:07:208:376:28
8:39
#16843
23M
23.00 mi14:11:023:18:148:3710:54
8:42
#16691
24M
24.00 mi14:19:383:26:508:378:36
8:36
#16612
40K
24.85 mi14:27:103:34:228:377:32
8:49
#16549
25.2M
25.20 mi14:30:233:37:358:383:13
9:20
#16500
Finish
26.22 mi14:39:113:46:238:388:48
8:38
#16486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi185876923692317506(Top 66%)6216(Top 54%)6216(Top 763%)
10K6.21 mi3.10 mi18389+1986751+1726751+17218269(Top 69%)6636(Top 58%)6636(Top 814%)
15K9.32 mi3.11 mi18092+2976578+1736578+17317506(Top 66%)6216(Top 54%)6216(Top 763%)
20K12.43 mi3.11 mi17732+3606363+2156363+21516804(Top 63%)5822(Top 51%)5822(Top 714%)
Half13.11 mi0.68 mi17726+66359+46359+418008(Top 68%)6472(Top 57%)6472(Top 794%)
25K15.53 mi2.42 mi17498+2286234+1256234+12516400(Top 62%)5668(Top 50%)5668(Top 695%)
30K18.64 mi3.11 mi17137+3616042+1926042+19215729(Top 59%)5344(Top 47%)5344(Top 656%)
20M20.00 mi1.36 mi17039+985991+515991+5115987(Top 60%)5569(Top 49%)5569(Top 683%)
21M21.00 mi1.00 mi16885+1545917+745917+7414346(Top 54%)4694(Top 41%)4694(Top 576%)
35K21.75 mi0.75 mi16843+425900+175900+1716131(Top 61%)5770(Top 51%)5770(Top 708%)
23M23.00 mi1.25 mi16691+1525842+585842+5814447(Top 54%)4884(Top 43%)4884(Top 599%)
24M24.00 mi1.00 mi16612+795812+305812+3015087(Top 57%)5282(Top 46%)5282(Top 648%)
40K24.85 mi0.85 mi16549+635794+185794+1815162(Top 57%)5392(Top 47%)5392(Top 662%)
25.2M25.20 mi0.35 mi16500+495774+205774+2014412(Top 54%)4982(Top 44%)4982(Top 611%)
Finish26.22 mi1.02 mi16486+145779-55779-516191(Top 61%)5933(Top 52%)5933(Top 728%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17506

Females

6216

F55-59

6216

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18269

Females

6636

F55-59

6636

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17506

Females

6216

F55-59

6216

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16804

Females

5822

F55-59

5822

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18008

Females

6472

F55-59

6472

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16400

Females

5668

F55-59

5668

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15729

Females

5344

F55-59

5344

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15987

Females

5569

F55-59

5569

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14346

Females

4694

F55-59

4694

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16131

Females

5770

F55-59

5770

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14447

Females

4884

F55-59

4884

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15087

Females

5282

F55-59

5282

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15162

Females

5392

F55-59

5392

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14412

Females

4982

F55-59

4982

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16191

Females

5933

F55-59

5933

Passing Analysis

Category:
Athletes Passed
2755
Passed By
654
Net Change
+2101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18587
5K → 10K452254+198#18587#18389
10K → 15K36568+297#18389#18092
15K → 20K39737+360#18092#17732
20K → Half3327+6#17732#17726
Half → 25K25325+228#17726#17498
25K → 30K39534+361#17498#17137
30K → 20M12628+98#17137#17039
20M → 21M17319+154#17039#16885
21M → 35K6523+42#16885#16843
35K → 23M18230+152#16843#16691
23M → 24M10324+79#16691#16612
24M → 40K8623+63#16612#16549
40K → 25.2M589+49#16549#16500
25.2M → Finish6753+14#16500#16486
TOTALS2755654+2101
📊

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