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BOSTON MARATHON 2024

Cheryl Kos

Bib: 22828•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:17
Rank: #17564
Start → 5K
26:17 | 8:28/mi
10K· 6.21 mi
52:57
Rank: #17633 (-69)
5K → 10K
26:40 | 8:35/mi
15K· 9.32 mi
1:19:51
Rank: #17496 (+137)
10K → 15K
26:54 | 8:39/mi
20K· 12.43 mi
1:47:18
Rank: #17166 (+330)
15K → 20K
27:27 | 8:50/mi
Half· 13.11 mi
1:53:25
Rank: #17188 (-22)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:17:15
Rank: #17532 (-344)
Half → 25K
23:50 | 9:50/mi
30K· 18.64 mi
2:48:45
Rank: #17603 (-71)
25K → 30K
31:30 | 10:08/mi
20M
3:02:45
Rank: #17603
30K → 20M
14:00 | 10:18/mi
21M
3:13:38
Rank: #17537 (+66)
20M → 21M
10:53 | 10:53/mi
35K· 21.75 mi
3:20:40
Rank: #17432 (+105)
21M → 35K
7:02 | 9:24/mi
23M
3:33:17
Rank: #17324 (+108)
35K → 23M
12:37 | 10:05/mi
24M
3:42:48
Rank: #17205 (+119)
23M → 24M
9:31 | 9:31/mi
40K· 24.85 mi
3:51:18
Rank: #17086 (+119)
24M → 40K
8:30 | 9:56/mi
25.2M
3:55:03
Rank: #17017 (+69)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:04:47
Rank: #16972 (+45)
25.2M → Finish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:25
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:11:22
Pace10:01 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5726:178:2826:17
8:28
-
10K
6.21 mi11:50:3752:578:3126:40
8:35
+0:07
15K
9.32 mi12:17:311:19:518:3426:54
8:39
+0:04
20K
12.43 mi12:44:581:47:188:3827:27
8:50
+0:11
Half
13.11 mi12:51:051:53:258:396:07
8:58
+0:08
25K
15.53 mi13:14:552:17:158:5023:50
9:50
+0:52
30K
18.64 mi13:46:252:48:459:0331:30
10:08
+0:18
20M
20.00 mi14:00:253:02:459:0814:00
10:18
+0:10
21M
21.00 mi14:11:183:13:389:1310:53
10:53
+0:35
35K
21.75 mi14:18:203:20:409:147:02
9:24
-1:29
23M
23.00 mi14:30:573:33:179:1612:37
10:05
+0:41
24M
24.00 mi14:40:283:42:489:179:31
9:31
-0:34
40K
24.85 mi14:48:583:51:189:188:30
9:56
+0:25
25.2M
25.20 mi14:52:433:55:039:203:45
10:52
+0:56
Finish
26.22 mi15:02:274:04:479:219:44
9:33
-1:19

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

8:28 /mi

Average Pace

9:21 /mi

Slowest Pace

10:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:25

46% of race

Time at Steady Pace

50:07

20% of race

Time at Slower Pace

1:21:15

33% of race

Average Pace: 9:20 /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 mi11:23:5726:178:2826:17
8:28
#17564
10K
6.21 mi11:50:3752:578:3126:40
8:35
#17633
15K
9.32 mi12:17:311:19:518:3426:54
8:39
#17496
20K
12.43 mi12:44:581:47:188:3827:27
8:50
#17166
Half
13.11 mi12:51:051:53:258:396:07
8:58
#17188
25K
15.53 mi13:14:552:17:158:5023:50
9:50
#17532
30K
18.64 mi13:46:252:48:459:0331:30
10:08
#17603
20M
20.00 mi14:00:253:02:459:0814:00
10:18
#17603
21M
21.00 mi14:11:183:13:389:1310:53
10:53
#17537
35K
21.75 mi14:18:203:20:409:147:02
9:24
#17432
23M
23.00 mi14:30:573:33:179:1612:37
10:05
#17324
24M
24.00 mi14:40:283:42:489:179:31
9:31
#17205
40K
24.85 mi14:48:583:51:189:188:30
9:56
#17086
25.2M
25.20 mi14:52:433:55:039:203:45
10:52
#17017
Finish
26.22 mi15:02:274:04:479:219:44
9:33
#16972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi175646509650917271(Top 68%)6302(Top 58%)6302(Top 719%)
10K6.21 mi3.10 mi17633-696520-116520-1117765(Top 70%)6590(Top 60%)6590(Top 752%)
15K9.32 mi3.11 mi17496+1376425+956425+9517271(Top 68%)6302(Top 58%)6302(Top 719%)
20K12.43 mi3.11 mi17166+3306267+1586267+15816593(Top 65%)5952(Top 54%)5952(Top 679%)
Half13.11 mi0.68 mi17188-226292-256292-2518123(Top 71%)6851(Top 63%)6851(Top 782%)
25K15.53 mi2.42 mi17532-3446517-2256517-22518642(Top 73%)7186(Top 66%)7186(Top 820%)
30K18.64 mi3.11 mi17603-716597-806597-8017775(Top 70%)6923(Top 63%)6923(Top 790%)
20M20.00 mi1.36 mi176036638-416638-4117407(Top 68%)6932(Top 63%)6932(Top 791%)
21M21.00 mi1.00 mi17537+666620+186620+1816047(Top 63%)6361(Top 58%)6361(Top 726%)
35K21.75 mi0.75 mi17432+1056585+356585+3515152(Top 59%)5914(Top 54%)5914(Top 675%)
23M23.00 mi1.25 mi17324+1086552+336552+3315734(Top 62%)6273(Top 57%)6273(Top 716%)
24M24.00 mi1.00 mi17205+1196507+456507+4514559(Top 57%)5736(Top 53%)5736(Top 655%)
40K24.85 mi0.85 mi17086+1196478+296478+2914817(Top 58%)5936(Top 54%)5936(Top 678%)
25.2M25.20 mi0.35 mi17017+696458+206458+2014126(Top 55%)5635(Top 52%)5635(Top 643%)
Finish26.22 mi1.02 mi16972+456461-36461-316762(Top 66%)6896(Top 63%)6896(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17271

Females

6302

F55-59

6302

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

17765

Females

6590

F55-59

6590

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17271

Females

6302

F55-59

6302

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

16593

Females

5952

F55-59

5952

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18123

Females

6851

F55-59

6851

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18642

Females

7186

F55-59

7186

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

17775

Females

6923

F55-59

6923

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17407

Females

6932

F55-59

6932

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16047

Females

6361

F55-59

6361

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15152

Females

5914

F55-59

5914

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15734

Females

6273

F55-59

6273

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

14559

Females

5736

F55-59

5736

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14817

Females

5936

F55-59

5936

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14126

Females

5635

F55-59

5635

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

16762

Females

6896

F55-59

6896

Passing Analysis

Category:
Athletes Passed
2314
Passed By
1722
Net Change
+592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17564
5K → 10K249318-69#17564#17633
10K → 15K311174+137#17633#17496
15K → 20K42595+330#17496#17166
20K → Half3355-22#17166#17188
Half → 25K102446-344#17188#17532
25K → 30K220291-71#17532#17603
30K → 20M1121120#17603#17603
20M → 21M13670+66#17603#17537
21M → 35K11510+105#17537#17432
35K → 23M16153+108#17432#17324
23M → 24M13920+119#17324#17205
24M → 40K14223+119#17205#17086
40K → 25.2M756+69#17086#17017
25.2M → Finish9449+45#17017#16972
TOTALS23141722+592
📊

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