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BOSTON MARATHON 2023

Lisi Klus

Bib: 20308•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
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
26:36
Rank: #17988
Start → 5K
8:34/mi
26:36 split
10K· 6.21 mi
52:52
Rank: #17957 (+31)
5K → 10K
8:27/mi
26:16 split
15K· 9.32 mi
1:19:26
Rank: #17983 (-26)
10K → 15K
8:33/mi
26:34 split
20K· 12.43 mi
1:46:19
Rank: #17929 (+54)
15K → 20K
8:39/mi
26:53 split
Half· 13.11 mi
1:52:08
Rank: #17927 (+2)
20K → Half
8:32/mi
5:49 split
25K· 15.53 mi
2:13:10
Rank: #17773 (+154)
Half → 25K
8:41/mi
21:02 split
30K· 18.64 mi
2:40:37
Rank: #17472 (+301)
25K → 30K
8:50/mi
27:27 split
20M
2:52:40
Rank: #17326 (+146)
30K → 20M
8:52/mi
12:03 split
21M
3:01:49
Rank: #17144 (+182)
20M → 21M
9:09/mi
9:09 split
35K· 21.75 mi
3:08:26
Rank: #17141 (+3)
21M → 35K
8:51/mi
6:37 split
23M
3:19:51
Rank: #17103 (+38)
35K → 23M
9:07/mi
11:25 split
24M
3:29:01
Rank: #17139 (-36)
23M → 24M
9:10/mi
9:10 split
40K· 24.85 mi
3:36:54
Rank: #17151 (-12)
24M → 40K
9:13/mi
7:53 split
25.2M
3:40:13
Rank: #17138 (+13)
40K → 25.2M
9:37/mi
3:19 split
Finish· 26.22 mi
3:48:42
Rank: #17028 (+110)
25.2M → Finish
8:19/mi
8:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:08
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:56:34
Pace8:54 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3326:368:3426:36
8:34
-
10K
6.21 mi11:46:4952:528:3026:16
8:27
-0:07
15K
9.32 mi12:13:231:19:268:3126:34
8:33
+0:06
20K
12.43 mi12:40:161:46:198:3326:53
8:39
+0:06
Half
13.11 mi12:46:051:52:088:335:49
8:32
-0:07
25K
15.53 mi13:07:072:13:108:3421:02
8:41
+0:09
30K
18.64 mi13:34:342:40:378:3727:27
8:50
+0:09
20M
20.00 mi13:46:372:52:408:3812:03
8:52
+0:02
21M
21.00 mi13:55:463:01:498:399:09
9:09
+0:17
35K
21.75 mi14:02:233:08:268:406:37
8:51
-0:18
23M
23.00 mi14:13:483:19:518:4111:25
9:07
+0:16
24M
24.00 mi14:22:583:29:018:439:10
9:10
+0:03
40K
24.85 mi14:30:513:36:548:447:53
9:13
+0:03
25.2M
25.20 mi14:34:103:40:138:443:19
9:37
+0:24
Finish
26.22 mi14:42:393:48:428:448:29
8:19
-1:18

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

8:19 /mi

Average Pace

8:44 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:11

87% of race

Time at Steady Pace

29:31

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:20:3326:368:3426:36
8:34
#17988
10K
6.21 mi11:46:4952:528:3026:16
8:27
#17957
15K
9.32 mi12:13:231:19:268:3126:34
8:33
#17983
20K
12.43 mi12:40:161:46:198:3326:53
8:39
#17929
Half
13.11 mi12:46:051:52:088:335:49
8:32
#17927
25K
15.53 mi13:07:072:13:108:3421:02
8:41
#17773
30K
18.64 mi13:34:342:40:378:3727:27
8:50
#17472
20M
20.00 mi13:46:372:52:408:3812:03
8:52
#17326
21M
21.00 mi13:55:463:01:498:399:09
9:09
#17144
35K
21.75 mi14:02:233:08:268:406:37
8:51
#17141
23M
23.00 mi14:13:483:19:518:4111:25
9:07
#17103
24M
24.00 mi14:22:583:29:018:439:10
9:10
#17139
40K
24.85 mi14:30:513:36:548:447:53
9:13
#17151
25.2M
25.20 mi14:34:103:40:138:443:19
9:37
#17138
Finish
26.22 mi14:42:393:48:428:448:29
8:19
#17028
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi179886549654918161(Top 68%)6594(Top 58%)6594(Top 363%)
10K6.21 mi3.10 mi17957+316509+406509+4017966(Top 67%)6455(Top 57%)6455(Top 355%)
15K9.32 mi3.11 mi17983-266517-86517-818161(Top 68%)6594(Top 58%)6594(Top 363%)
20K12.43 mi3.11 mi17929+546483+346483+3417829(Top 67%)6412(Top 56%)6412(Top 353%)
Half13.11 mi0.68 mi17927+26476+76476+717871(Top 67%)6400(Top 56%)6400(Top 352%)
25K15.53 mi2.42 mi17773+1546399+776399+7717257(Top 65%)6148(Top 54%)6148(Top 338%)
30K18.64 mi3.11 mi17472+3016237+1626237+16216292(Top 61%)5668(Top 50%)5668(Top 312%)
20M20.00 mi1.36 mi17326+1466174+636174+6315852(Top 60%)5488(Top 48%)5488(Top 302%)
21M21.00 mi1.00 mi17144+1826076+986076+9814255(Top 54%)4632(Top 41%)4632(Top 255%)
35K21.75 mi0.75 mi17141+36082-66082-617201(Top 65%)6386(Top 56%)6386(Top 351%)
23M23.00 mi1.25 mi17103+386079+36079+316643(Top 63%)6106(Top 53%)6106(Top 336%)
24M24.00 mi1.00 mi17139-366119-406119-4017946(Top 67%)6870(Top 60%)6870(Top 378%)
40K24.85 mi0.85 mi17151-126143-246143-2417197(Top 65%)6509(Top 57%)6509(Top 358%)
25.2M25.20 mi0.35 mi17138+136145-26145-215802(Top 59%)5758(Top 50%)5758(Top 317%)
Finish26.22 mi1.02 mi17028+1106094+516094+5114292(Top 54%)4904(Top 43%)4904(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18161

Females

6594

F45-49

6594

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17966

Females

6455

F45-49

6455

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18161

Females

6594

F45-49

6594

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17829

Females

6412

F45-49

6412

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17871

Females

6400

F45-49

6400

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17257

Females

6148

F45-49

6148

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16292

Females

5668

F45-49

5668

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15852

Females

5488

F45-49

5488

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14255

Females

4632

F45-49

4632

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17201

Females

6386

F45-49

6386

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16643

Females

6106

F45-49

6106

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17946

Females

6870

F45-49

6870

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17197

Females

6509

F45-49

6509

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15802

Females

5758

F45-49

5758

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14292

Females

4904

F45-49

4904

Passing Analysis

Category:
Athletes Passed
2059
Passed By
1099
Net Change
+960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17988
5K → 10K327296+31#17988#17957
10K → 15K175201-26#17957#17983
15K → 20K195141+54#17983#17929
20K → Half3836+2#17929#17927
Half → 25K20652+154#17927#17773
25K → 30K34544+301#17773#17472
30K → 20M16519+146#17472#17326
20M → 21M19210+182#17326#17144
21M → 35K4542+3#17144#17141
35K → 23M10264+38#17141#17103
23M → 24M5490-36#17103#17139
24M → 40K5264-12#17139#17151
40K → 25.2M3421+13#17151#17138
25.2M → Finish12919+110#17138#17028
TOTALS20591099+960
📊

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