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BOSTON MARATHON 2024

Karen Langer

Bib: 23433•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:17
Rank: #23142
Start → 5K
10:04/mi
31:17 split
10K· 6.21 mi
1:02:05
Rank: #22763 (+379)
5K → 10K
9:55/mi
30:48 split
15K· 9.32 mi
1:33:00
Rank: #22433 (+330)
10K → 15K
9:57/mi
30:55 split
20K· 12.43 mi
2:06:01
Rank: #22307 (+126)
15K → 20K
10:38/mi
33:01 split
Half· 13.11 mi
2:12:56
Rank: #22282 (+25)
20K → Half
10:08/mi
6:55 split
25K· 15.53 mi
2:44:34
Rank: #22772 (-490)
Half → 25K
13:03/mi
31:38 split
30K· 18.64 mi
3:24:27
Rank: #22907 (-135)
25K → 30K
12:50/mi
39:53 split
20M
3:41:46
Rank: #22893 (+14)
30K → 20M
12:45/mi
17:19 split
21M
3:56:19
Rank: #22923 (-30)
20M → 21M
14:33/mi
14:33 split
35K· 21.75 mi
4:05:35
Rank: #22917 (+6)
21M → 35K
12:23/mi
9:16 split
23M
4:21:53
Rank: #22924 (-7)
35K → 23M
13:01/mi
16:18 split
24M
4:33:46
Rank: #22872 (+52)
23M → 24M
11:53/mi
11:53 split
40K· 24.85 mi
4:44:51
Rank: #22859 (+13)
24M → 40K
12:58/mi
11:05 split
25.2M
4:50:10
Rank: #22884 (-25)
40K → 25.2M
15:25/mi
5:19 split
Finish· 26.22 mi
5:02:00
Rank: #22898 (-14)
25.2M → Finish
11:37/mi
11:50 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:56
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:49:04
Pace12:54 /mi
📊Positive Split: 27.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:0731:1710:0431:17
10:04
-
10K
6.21 mi12:02:551:02:059:5930:48
9:55
-0:09
15K
9.32 mi12:33:501:33:009:5930:55
9:57
+0:02
20K
12.43 mi13:06:512:06:0110:0833:01
10:38
+0:41
Half
13.11 mi13:13:462:12:5610:086:55
10:08
-0:30
25K
15.53 mi13:45:242:44:3410:3631:38
13:03
+2:55
30K
18.64 mi14:25:173:24:2710:5839:53
12:50
-0:13
20M
20.00 mi14:42:363:41:4611:0517:19
12:45
-0:05
21M
21.00 mi14:57:093:56:1911:1514:33
14:33
+1:48
35K
21.75 mi15:06:254:05:3511:189:16
12:23
-2:10
23M
23.00 mi15:22:434:21:5311:2316:18
13:01
+0:38
24M
24.00 mi15:34:364:33:4611:2411:53
11:53
-1:08
40K
24.85 mi15:45:414:44:5111:2811:05
12:58
+1:05
25.2M
25.20 mi15:51:004:50:1011:315:19
15:25
+2:27
Finish
26.22 mi16:02:505:02:0011:3211:50
11:37
-3:48

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

9:55 /mi

Average Pace

11:32 /mi

Slowest Pace

15:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:56

44% of race

Time at Steady Pace

2:29:12

49% of race

Time at Slower Pace

19:52

7% of race

Average Pace: 11:31 /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 mi11:32:0731:1710:0431:17
10:04
#23142
10K
6.21 mi12:02:551:02:059:5930:48
9:55
#22763
15K
9.32 mi12:33:501:33:009:5930:55
9:57
#22433
20K
12.43 mi13:06:512:06:0110:0833:01
10:38
#22307
Half
13.11 mi13:13:462:12:5610:086:55
10:08
#22282
25K
15.53 mi13:45:242:44:3410:3631:38
13:03
#22772
30K
18.64 mi14:25:173:24:2710:5839:53
12:50
#22907
20M
20.00 mi14:42:363:41:4611:0517:19
12:45
#22893
21M
21.00 mi14:57:093:56:1911:1514:33
14:33
#22923
35K
21.75 mi15:06:254:05:3511:189:16
12:23
#22917
23M
23.00 mi15:22:434:21:5311:2316:18
13:01
#22924
24M
24.00 mi15:34:364:33:4611:2411:53
11:53
#22872
40K
24.85 mi15:45:414:44:5111:2811:05
12:58
#22859
25.2M
25.20 mi15:51:004:50:1011:315:19
15:25
#22884
Finish
26.22 mi16:02:505:02:0011:3211:50
11:37
#22898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi231429467946721819(Top 85%)8777(Top 80%)8777(Top 1599%)
10K6.21 mi3.10 mi22763+3799293+1749293+17422364(Top 88%)9101(Top 83%)9101(Top 1658%)
15K9.32 mi3.11 mi22433+3309108+1859108+18521819(Top 85%)8777(Top 80%)8777(Top 1599%)
20K12.43 mi3.11 mi22307+1269068+409068+4021937(Top 86%)8876(Top 81%)8876(Top 1617%)
Half13.11 mi0.68 mi22282+259059+99059+921868(Top 86%)8894(Top 81%)8894(Top 1620%)
25K15.53 mi2.42 mi22772-4909312-2539312-25324241(Top 95%)10212(Top 93%)10212(Top 1860%)
30K18.64 mi3.11 mi22907-1359448-1369448-13623098(Top 90%)9702(Top 89%)9702(Top 1767%)
20M20.00 mi1.36 mi22893+149461-139461-1322519(Top 88%)9518(Top 87%)9518(Top 1734%)
21M21.00 mi1.00 mi22923-309502-419502-4123051(Top 90%)9809(Top 90%)9809(Top 1787%)
35K21.75 mi0.75 mi22917+69511-99511-922424(Top 88%)9551(Top 87%)9551(Top 1740%)
23M23.00 mi1.25 mi22924-79520-99520-922576(Top 88%)9642(Top 88%)9642(Top 1756%)
24M24.00 mi1.00 mi22872+529506+149506+1421234(Top 83%)9058(Top 83%)9058(Top 1650%)
40K24.85 mi0.85 mi22859+139503+39503+322222(Top 87%)9563(Top 88%)9563(Top 1742%)
25.2M25.20 mi0.35 mi22884-259519-169519-1623487(Top 92%)10144(Top 93%)10144(Top 1848%)
Finish26.22 mi1.02 mi22898-149537-189537-1822633(Top 89%)9764(Top 89%)9764(Top 1779%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21819

Females

8777

F60-64

8777

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

22364

Females

9101

F60-64

9101

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21819

Females

8777

F60-64

8777

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

21937

Females

8876

F60-64

8876

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

21868

Females

8894

F60-64

8894

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

24241

Females

10212

F60-64

10212

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23098

Females

9702

F60-64

9702

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22519

Females

9518

F60-64

9518

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23051

Females

9809

F60-64

9809

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22424

Females

9551

F60-64

9551

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

22576

Females

9642

F60-64

9642

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

21234

Females

9058

F60-64

9058

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22222

Females

9563

F60-64

9563

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23487

Females

10144

F60-64

10144

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

22633

Females

9764

F60-64

9764

Passing Analysis

Category:
Athletes Passed
1571
Passed By
1327
Net Change
+244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23142
5K → 10K44162+379#23142#22763
10K → 15K36030+330#22763#22433
15K → 20K240114+126#22433#22307
20K → Half3712+25#22307#22282
Half → 25K31521-490#22282#22772
25K → 30K103238-135#22772#22907
30K → 20M7965+14#22907#22893
20M → 21M4474-30#22893#22923
21M → 35K3630+6#22923#22917
35K → 23M4148-7#22917#22924
23M → 24M7220+52#22924#22872
24M → 40K4431+13#22872#22859
40K → 25.2M934-25#22859#22884
25.2M → Finish3448-14#22884#22898
TOTALS15711327+244
📊

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