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BOSTON MARATHON 2024

Molly Kern

Bib: 29235•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:51
Rank: #22851
Start → 5K
30:51 | 9:56/mi
10K· 6.21 mi
1:04:22
Rank: #23493 (-642)
5K → 10K
33:31 | 10:47/mi
15K· 9.32 mi
1:35:24
Rank: #22993 (+500)
10K → 15K
31:02 | 9:59/mi
20K· 12.43 mi
2:09:01
Rank: #22785 (+208)
15K → 20K
33:37 | 10:49/mi
Half· 13.11 mi
2:15:33
Rank: #22678 (+107)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:44:44
Rank: #22798 (-120)
Half → 25K
29:11 | 12:02/mi
30K· 18.64 mi
3:21:00
Rank: #22539 (+259)
25K → 30K
36:16 | 11:40/mi
20M
3:34:58
Rank: #22222 (+317)
30K → 20M
13:58 | 10:17/mi
21M
3:46:59
Rank: #22033 (+189)
20M → 21M
12:01 | 12:01/mi
35K· 21.75 mi
3:55:11
Rank: #21952 (+81)
21M → 35K
8:12 | 10:58/mi
23M
4:09:58
Rank: #21856 (+96)
35K → 23M
14:47 | 11:48/mi
24M
4:21:14
Rank: #21757 (+99)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:30:06
Rank: #21607 (+150)
24M → 40K
8:52 | 10:22/mi
25.2M
4:34:27
Rank: #21564 (+43)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:43:12
Rank: #21327 (+237)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:33
Pace10:20 /mi
2nd Half
Distance13.11 mi
Time2:27:39
Pace11:16 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2530:519:5630:51
9:56
-
10K
6.21 mi12:27:561:04:2210:2233:31
10:47
+0:51
15K
9.32 mi12:58:581:35:2410:1431:02
9:59
-0:48
20K
12.43 mi13:32:352:09:0110:2333:37
10:49
+0:50
Half
13.11 mi13:39:072:15:3310:206:32
9:35
-1:14
25K
15.53 mi14:08:182:44:4410:3629:11
12:02
+2:27
30K
18.64 mi14:44:343:21:0010:4736:16
11:40
-0:22
20M
20.00 mi14:58:323:34:5810:4513:58
10:17
-1:23
21M
21.00 mi15:10:333:46:5910:4912:01
12:01
+1:44
35K
21.75 mi15:18:453:55:1110:498:12
10:58
-1:03
23M
23.00 mi15:33:324:09:5810:5214:47
11:48
+0:50
24M
24.00 mi15:44:484:21:1410:5311:16
11:16
-0:32
40K
24.85 mi15:53:404:30:0610:528:52
10:22
-0:54
25.2M
25.20 mi15:58:014:34:2710:534:21
12:37
+2:15
Finish
26.22 mi16:06:464:43:1210:498:45
8:35
-4:02

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

8:35 /mi

Average Pace

10:49 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:08

32% of race

Time at Steady Pace

1:35:28

34% of race

Time at Slower Pace

1:36:36

34% of race

Average Pace: 10:48 /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 mi11:54:2530:519:5630:51
9:56
#22851
10K
6.21 mi12:27:561:04:2210:2233:31
10:47
#23493
15K
9.32 mi12:58:581:35:2410:1431:02
9:59
#22993
20K
12.43 mi13:32:352:09:0110:2333:37
10:49
#22785
Half
13.11 mi13:39:072:15:3310:206:32
9:35
#22678
25K
15.53 mi14:08:182:44:4410:3629:11
12:02
#22798
30K
18.64 mi14:44:343:21:0010:4736:16
11:40
#22539
20M
20.00 mi14:58:323:34:5810:4513:58
10:17
#22222
21M
21.00 mi15:10:333:46:5910:4912:01
12:01
#22033
35K
21.75 mi15:18:453:55:1110:498:12
10:58
#21952
23M
23.00 mi15:33:324:09:5810:5214:47
11:48
#21856
24M
24.00 mi15:44:484:21:1410:5311:16
11:16
#21757
40K
24.85 mi15:53:404:30:0610:528:52
10:22
#21607
25.2M
25.20 mi15:58:014:34:2710:534:21
12:37
#21564
Finish
26.22 mi16:06:464:43:1210:498:45
8:35
#21327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228519318931821912(Top 86%)8830(Top 81%)8830(Top 189%)
10K6.21 mi3.10 mi23493-6429669-3519669-35123999(Top 94%)9967(Top 91%)9967(Top 214%)
15K9.32 mi3.11 mi22993+5009417+2529417+25221912(Top 86%)8830(Top 81%)8830(Top 189%)
20K12.43 mi3.11 mi22785+2089299+1189299+11822317(Top 87%)9086(Top 83%)9086(Top 195%)
Half13.11 mi0.68 mi22678+1079246+539246+5320324(Top 80%)8063(Top 74%)8063(Top 173%)
25K15.53 mi2.42 mi22798-1209332-869332-8623197(Top 91%)9642(Top 88%)9642(Top 207%)
30K18.64 mi3.11 mi22539+2599245+879245+8721363(Top 84%)8828(Top 81%)8828(Top 189%)
20M20.00 mi1.36 mi22222+3179097+1489097+14817358(Top 68%)6905(Top 63%)6905(Top 148%)
21M21.00 mi1.00 mi22033+1899019+789019+7818859(Top 74%)7759(Top 71%)7759(Top 167%)
35K21.75 mi0.75 mi21952+818996+238996+2319742(Top 77%)8212(Top 75%)8212(Top 176%)
23M23.00 mi1.25 mi21856+968971+258971+2520329(Top 80%)8566(Top 78%)8566(Top 184%)
24M24.00 mi1.00 mi21757+998954+178954+1719919(Top 78%)8401(Top 77%)8401(Top 180%)
40K24.85 mi0.85 mi21607+1508894+608894+6016315(Top 64%)6667(Top 61%)6667(Top 143%)
25.2M25.20 mi0.35 mi21564+438878+168878+1618834(Top 74%)7934(Top 73%)7934(Top 170%)
Finish26.22 mi1.02 mi21327+2378767+1118767+11112033(Top 47%)4494(Top 41%)4494(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

21912

Females

8830

F18-39

8830

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

23999

Females

9967

F18-39

9967

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

21912

Females

8830

F18-39

8830

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

22317

Females

9086

F18-39

9086

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

20324

Females

8063

F18-39

8063

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

23197

Females

9642

F18-39

9642

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

21363

Females

8828

F18-39

8828

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17358

Females

6905

F18-39

6905

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

18859

Females

7759

F18-39

7759

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

19742

Females

8212

F18-39

8212

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

20329

Females

8566

F18-39

8566

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

19919

Females

8401

F18-39

8401

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16315

Females

6667

F18-39

6667

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18834

Females

7934

F18-39

7934

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12033

Females

4494

F18-39

4494

Passing Analysis

Category:
Athletes Passed
2566
Passed By
1042
Net Change
+1524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22851
5K → 10K42684-642#22851#23493
10K → 15K5066+500#23493#22993
15K → 20K27466+208#22993#22785
20K → Half1070+107#22785#22678
Half → 25K80200-120#22678#22798
25K → 30K28930+259#22798#22539
30K → 20M3170+317#22539#22222
20M → 21M1934+189#22222#22033
21M → 35K909+81#22033#21952
35K → 23M11721+96#21952#21856
23M → 24M11415+99#21856#21757
24M → 40K1511+150#21757#21607
40K → 25.2M496+43#21607#21564
25.2M → Finish2370+237#21564#21327
TOTALS25661042+1524
📊

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