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BOSTON MARATHON 2024

Karen Brophy

Bib: 14307•F

IA

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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
23:20
Rank: #10874
Start → 5K
7:31/mi
23:20 split
10K· 6.21 mi
48:14
Rank: #12580 (-1706)
5K → 10K
8:01/mi
24:54 split
15K· 9.32 mi
1:16:04
Rank: #15114 (-2534)
10K → 15K
8:58/mi
27:50 split
20K· 12.43 mi
1:46:02
Rank: #16604 (-1490)
15K → 20K
9:39/mi
29:58 split
Half· 13.11 mi
1:52:42
Rank: #16922 (-318)
20K → Half
9:46/mi
6:40 split
25K· 15.53 mi
2:17:15
Rank: #17534 (-612)
Half → 25K
10:08/mi
24:33 split
30K· 18.64 mi
2:50:20
Rank: #17994 (-460)
25K → 30K
10:39/mi
33:05 split
20M
3:04:43
Rank: #18051 (-57)
30K → 20M
10:35/mi
14:23 split
21M
3:16:17
Rank: #18047 (+4)
20M → 21M
11:34/mi
11:34 split
35K· 21.75 mi
3:24:11
Rank: #18075 (-28)
21M → 35K
10:34/mi
7:54 split
23M
3:37:52
Rank: #18052 (+23)
35K → 23M
10:56/mi
13:41 split
24M
3:48:56
Rank: #18127 (-75)
23M → 24M
11:04/mi
11:04 split
40K· 24.85 mi
3:58:34
Rank: #18141 (-14)
24M → 40K
11:16/mi
9:38 split
25.2M
4:02:46
Rank: #18126 (+15)
40K → 25.2M
12:11/mi
4:12 split
Finish· 26.22 mi
4:13:13
Rank: #18130 (-4)
25.2M → Finish
10:15/mi
10:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:20:31
Pace10:43 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3023:207:3123:20
7:31
-
10K
6.21 mi11:20:2448:147:4624:54
8:01
+0:30
15K
9.32 mi11:48:141:16:048:1027:50
8:58
+0:57
20K
12.43 mi12:18:121:46:028:3229:58
9:39
+0:41
Half
13.11 mi12:24:521:52:428:366:40
9:46
+0:07
25K
15.53 mi12:49:252:17:158:5024:33
10:08
+0:22
30K
18.64 mi13:22:302:50:209:0833:05
10:39
+0:31
20M
20.00 mi13:36:533:04:439:1414:23
10:35
-0:04
21M
21.00 mi13:48:273:16:179:2111:34
11:34
+0:59
35K
21.75 mi13:56:213:24:119:237:54
10:34
-1:00
23M
23.00 mi14:10:023:37:529:2813:41
10:56
+0:22
24M
24.00 mi14:21:063:48:569:3211:04
11:04
+0:08
40K
24.85 mi14:30:443:58:349:369:38
11:16
+0:12
25.2M
25.20 mi14:34:564:02:469:384:12
12:11
+0:55
Finish
26.22 mi14:45:234:13:139:4010:27
10:15
-1:56

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

7:31 /mi

Average Pace

9:40 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:42

45% of race

Time at Steady Pace

1:55:07

45% of race

Time at Slower Pace

25:24

10% of race

Average Pace: 9:39 /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 mi10:55:3023:207:3123:20
7:31
#10874
10K
6.21 mi11:20:2448:147:4624:54
8:01
#12580
15K
9.32 mi11:48:141:16:048:1027:50
8:58
#15114
20K
12.43 mi12:18:121:46:028:3229:58
9:39
#16604
Half
13.11 mi12:24:521:52:428:366:40
9:46
#16922
25K
15.53 mi12:49:252:17:158:5024:33
10:08
#17534
30K
18.64 mi13:22:302:50:209:0833:05
10:39
#17994
20M
20.00 mi13:36:533:04:439:1414:23
10:35
#18051
21M
21.00 mi13:48:273:16:179:2111:34
11:34
#18047
35K
21.75 mi13:56:213:24:119:237:54
10:34
#18075
23M
23.00 mi14:10:023:37:529:2813:41
10:56
#18052
24M
24.00 mi14:21:063:48:569:3211:04
11:04
#18127
40K
24.85 mi14:30:443:58:349:369:38
11:16
#18141
25.2M
25.20 mi14:34:564:02:469:384:12
12:11
#18126
Finish
26.22 mi14:45:234:13:139:4010:27
10:15
#18130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi108742498249818719(Top 73%)7087(Top 65%)7087(Top 152%)
10K6.21 mi3.10 mi12580-17063491-9933491-99314340(Top 56%)4539(Top 42%)4539(Top 97%)
15K9.32 mi3.11 mi15114-25345019-15285019-152818719(Top 73%)7087(Top 65%)7087(Top 152%)
20K12.43 mi3.11 mi16604-14905928-9095928-90919626(Top 77%)7601(Top 70%)7601(Top 163%)
Half13.11 mi0.68 mi16922-3186128-2006128-20020873(Top 82%)8336(Top 76%)8336(Top 179%)
25K15.53 mi2.42 mi17534-6126519-3916519-39119441(Top 76%)7614(Top 70%)7614(Top 163%)
30K18.64 mi3.11 mi17994-4606829-3106829-31019153(Top 75%)7658(Top 70%)7658(Top 164%)
20M20.00 mi1.36 mi18051-576893-646893-6418239(Top 71%)7329(Top 67%)7329(Top 157%)
21M21.00 mi1.00 mi18047+46909-166909-1617820(Top 70%)7243(Top 66%)7243(Top 155%)
35K21.75 mi0.75 mi18075-286943-346943-3418746(Top 73%)7701(Top 70%)7701(Top 165%)
23M23.00 mi1.25 mi18052+236955-126955-1218234(Top 71%)7518(Top 69%)7518(Top 161%)
24M24.00 mi1.00 mi18127-757026-717026-7119407(Top 76%)8154(Top 75%)8154(Top 175%)
40K24.85 mi0.85 mi18141-147057-317057-3118777(Top 73%)7900(Top 72%)7900(Top 170%)
25.2M25.20 mi0.35 mi18126+157058-17058-117787(Top 70%)7432(Top 68%)7432(Top 159%)
Finish26.22 mi1.02 mi18130-47088-307088-3019261(Top 75%)8104(Top 74%)8104(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

18719

Females

7087

F18-39

7087

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14340

Females

4539

F18-39

4539

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

18719

Females

7087

F18-39

7087

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

19626

Females

7601

F18-39

7601

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

20873

Females

8336

F18-39

8336

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

19441

Females

7614

F18-39

7614

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19153

Females

7658

F18-39

7658

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18239

Females

7329

F18-39

7329

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17820

Females

7243

F18-39

7243

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

18746

Females

7701

F18-39

7701

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18234

Females

7518

F18-39

7518

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

19407

Females

8154

F18-39

8154

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18777

Females

7900

F18-39

7900

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17787

Females

7432

F18-39

7432

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19261

Females

8104

F18-39

8104

Passing Analysis

Category:
Athletes Passed
847
Passed By
8103
Net Change
-7256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10874
5K → 10K231729-1706#10874#12580
10K → 15K92543-2534#12580#15114
15K → 20K421532-1490#15114#16604
20K → Half6324-318#16604#16922
Half → 25K68680-612#16922#17534
25K → 30K123583-460#17534#17994
30K → 20M87144-57#17994#18051
20M → 21M109105+4#18051#18047
21M → 35K5886-28#18047#18075
35K → 23M11289+23#18075#18052
23M → 24M42117-75#18052#18127
24M → 40K6074-14#18127#18141
40K → 25.2M3419+15#18141#18126
25.2M → Finish7478-4#18126#18130
TOTALS8478103-7256
📊

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