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BOSTON MARATHON 2024

Claire Sim

Bib: 28958•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:20
Rank: #24500
Start → 5K
33:20 | 10:44/mi
10K· 6.21 mi
1:12:56
Rank: #25192 (-692)
5K → 10K
39:36 | 12:45/mi
15K· 9.32 mi
1:50:43
Rank: #25086 (+106)
10K → 15K
37:47 | 12:10/mi
20K· 12.43 mi
2:30:31
Rank: #25037 (+49)
15K → 20K
39:48 | 12:49/mi
Half· 13.11 mi
2:38:34
Rank: #25024 (+13)
20K → Half
8:03 | 11:48/mi
25K· 15.53 mi
3:12:31
Rank: #25034 (-10)
Half → 25K
33:57 | 14:00/mi
30K· 18.64 mi
3:59:46
Rank: #25082 (-48)
25K → 30K
47:15 | 15:12/mi
20M
4:18:26
Rank: #25024 (+58)
30K → 20M
18:40 | 13:44/mi
21M
4:33:39
Rank: #25008 (+16)
20M → 21M
15:13 | 15:13/mi
35K· 21.75 mi
4:42:22
Rank: #24927 (+81)
21M → 35K
8:43 | 11:39/mi
23M
5:00:05
Rank: #24907 (+20)
35K → 23M
17:43 | 14:09/mi
24M
5:13:06
Rank: #24868 (+39)
23M → 24M
13:01 | 13:01/mi
40K· 24.85 mi
5:25:40
Rank: #24870 (-2)
24M → 40K
12:34 | 14:42/mi
25.2M
5:30:55
Rank: #24869 (+1)
40K → 25.2M
5:15 | 15:13/mi
Finish· 26.22 mi
5:43:35
Rank: #24857 (+12)
25.2M → Finish
12:40 | 12:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:38:34
Pace12:06 /mi
2nd Half
Distance13.11 mi
Time3:05:01
Pace14:07 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1933:2010:4433:20
10:44
-
10K
6.21 mi12:35:551:12:5611:4439:36
12:45
+2:01
15K
9.32 mi13:13:421:50:4311:5337:47
12:10
-0:35
20K
12.43 mi13:53:302:30:3112:0739:48
12:49
+0:39
Half
13.11 mi14:01:332:38:3412:068:03
11:48
-1:01
25K
15.53 mi14:35:303:12:3112:2433:57
14:00
+2:12
30K
18.64 mi15:22:453:59:4612:5247:15
15:12
+1:12
20M
20.00 mi15:41:254:18:2612:5518:40
13:44
-1:28
21M
21.00 mi15:56:384:33:3913:0215:13
15:13
+1:29
35K
21.75 mi16:05:214:42:2212:598:43
11:39
-3:34
23M
23.00 mi16:23:045:00:0513:0317:43
14:09
+2:30
24M
24.00 mi16:36:055:13:0613:0313:01
13:01
-1:08
40K
24.85 mi16:48:395:25:4013:0612:34
14:42
+1:41
25.2M
25.20 mi16:53:545:30:5513:085:15
15:13
+0:31
Finish
26.22 mi17:06:345:43:3513:0712:40
12:26
-2:47

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

10:44 /mi

Average Pace

13:07 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:53

26% of race

Time at Steady Pace

1:45:05

31% of race

Time at Slower Pace

2:30:37

44% of race

Average Pace: 13:06 /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 mi11:56:1933:2010:4433:20
10:44
#24500
10K
6.21 mi12:35:551:12:5611:4439:36
12:45
#25192
15K
9.32 mi13:13:421:50:4311:5337:47
12:10
#25086
20K
12.43 mi13:53:302:30:3112:0739:48
12:49
#25037
Half
13.11 mi14:01:332:38:3412:068:03
11:48
#25024
25K
15.53 mi14:35:303:12:3112:2433:57
14:00
#25034
30K
18.64 mi15:22:453:59:4612:5247:15
15:12
#25082
20M
20.00 mi15:41:254:18:2612:5518:40
13:44
#25024
21M
21.00 mi15:56:384:33:3913:0215:13
15:13
#25008
35K
21.75 mi16:05:214:42:2212:598:43
11:39
#24927
23M
23.00 mi16:23:045:00:0513:0317:43
14:09
#24907
24M
24.00 mi16:36:055:13:0613:0313:01
13:01
#24868
40K
24.85 mi16:48:395:25:4013:0612:34
14:42
#24870
25.2M
25.20 mi16:53:545:30:5513:085:15
15:13
#24869
Finish
26.22 mi17:06:345:43:3513:0712:40
12:26
#24857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24500102451024524835(Top 97%)10478(Top 96%)10478(Top 650%)
10K6.21 mi3.10 mi25192-69210689-44410689-44425403(Top 99%)10838(Top 99%)10838(Top 672%)
15K9.32 mi3.11 mi25086+10610616+7310616+7324835(Top 97%)10478(Top 96%)10478(Top 650%)
20K12.43 mi3.11 mi25037+4910592+2410592+2424741(Top 97%)10446(Top 96%)10446(Top 648%)
Half13.11 mi0.68 mi25024+1310587+510587+524425(Top 96%)10288(Top 94%)10288(Top 638%)
25K15.53 mi2.42 mi25034-1010601-1410601-1424923(Top 98%)10591(Top 97%)10591(Top 657%)
30K18.64 mi3.11 mi25082-4810648-4710648-4725063(Top 98%)10722(Top 98%)10722(Top 665%)
20M20.00 mi1.36 mi25024+5810616+3210616+3223722(Top 93%)10112(Top 93%)10112(Top 627%)
21M21.00 mi1.00 mi25008+1610609+710609+723824(Top 93%)10190(Top 93%)10190(Top 632%)
35K21.75 mi0.75 mi24927+8110570+3910570+3921199(Top 83%)8952(Top 82%)8952(Top 555%)
23M23.00 mi1.25 mi24907+2010565+510565+523954(Top 94%)10269(Top 94%)10269(Top 637%)
24M24.00 mi1.00 mi24868+3910550+1510550+1523115(Top 90%)9965(Top 91%)9965(Top 618%)
40K24.85 mi0.85 mi24870-210560-1010560-1024313(Top 95%)10503(Top 96%)10503(Top 651%)
25.2M25.20 mi0.35 mi24869+1105601056023289(Top 91%)10052(Top 92%)10052(Top 623%)
Finish26.22 mi1.02 mi24857+1210562-210562-223789(Top 93%)10298(Top 94%)10298(Top 638%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

24835

Females

10478

F40-44

10478

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

25403

Females

10838

F40-44

10838

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

24835

Females

10478

F40-44

10478

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

24741

Females

10446

F40-44

10446

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

24425

Females

10288

F40-44

10288

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

24923

Females

10591

F40-44

10591

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

25063

Females

10722

F40-44

10722

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

23722

Females

10112

F40-44

10112

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

23824

Females

10190

F40-44

10190

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

21199

Females

8952

F40-44

8952

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

23954

Females

10269

F40-44

10269

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

23115

Females

9965

F40-44

9965

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24313

Females

10503

F40-44

10503

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23289

Females

10052

F40-44

10052

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23789

Females

10298

F40-44

10298

Passing Analysis

Category:
Athletes Passed
602
Passed By
959
Net Change
-357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24500
5K → 10K4696-692#24500#25192
10K → 15K12317+106#25192#25086
15K → 20K8031+49#25086#25037
20K → Half2613+13#25037#25024
Half → 25K3646-10#25024#25034
25K → 30K3684-48#25034#25082
30K → 20M602+58#25082#25024
20M → 21M2711+16#25024#25008
21M → 35K821+81#25008#24927
35K → 23M3313+20#24927#24907
23M → 24M445+39#24907#24868
24M → 40K1618-2#24868#24870
40K → 25.2M1110+1#24870#24869
25.2M → Finish2412+12#24869#24857
TOTALS602959-357
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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