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BOSTON MARATHON 2024

Heather Northrop

Bib: 29233•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
29:04
Rank: #21298
Start → 5K
29:04 | 9:21/mi
10K· 6.21 mi
58:09
Rank: #21154 (+144)
5K → 10K
29:05 | 9:22/mi
15K· 9.32 mi
1:27:13
Rank: #20807 (+347)
10K → 15K
29:04 | 9:21/mi
20K· 12.43 mi
1:58:04
Rank: #20690 (+117)
15K → 20K
30:51 | 9:56/mi
Half· 13.11 mi
2:04:31
Rank: #20645 (+45)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:28:26
Rank: #20302 (+343)
Half → 25K
23:55 | 9:52/mi
30K· 18.64 mi
3:02:03
Rank: #20140 (+162)
25K → 30K
33:37 | 10:49/mi
20M
3:17:03
Rank: #20067 (+73)
30K → 20M
15:00 | 11:02/mi
21M
3:29:55
Rank: #20106 (-39)
20M → 21M
12:52 | 12:52/mi
35K· 21.75 mi
3:38:12
Rank: #20097 (+9)
21M → 35K
8:17 | 11:04/mi
23M
3:52:26
Rank: #20032 (+65)
35K → 23M
14:14 | 11:22/mi
24M
4:03:20
Rank: #19971 (+61)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:12:59
Rank: #19919 (+52)
24M → 40K
9:39 | 11:17/mi
25.2M
4:17:20
Rank: #19896 (+23)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:28:23
Rank: #19934 (-38)
25.2M → Finish
11:03 | 10:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:31
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:23:52
Pace10:58 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1129:049:2129:04
9:21
-
10K
6.21 mi12:22:1658:099:2229:05
9:22
+0:01
15K
9.32 mi12:51:201:27:139:2129:04
9:21
-0:01
20K
12.43 mi13:22:111:58:049:3030:51
9:56
+0:35
Half
13.11 mi13:28:382:04:319:306:27
9:27
-0:29
25K
15.53 mi13:52:332:28:269:3323:55
9:52
+0:25
30K
18.64 mi14:26:103:02:039:4633:37
10:49
+0:57
20M
20.00 mi14:41:103:17:039:5115:00
11:02
+0:13
21M
21.00 mi14:54:023:29:5510:0012:52
12:52
+1:50
35K
21.75 mi15:02:193:38:1210:028:17
11:04
-1:48
23M
23.00 mi15:16:333:52:2610:0614:14
11:22
+0:18
24M
24.00 mi15:27:274:03:2010:0810:54
10:54
-0:28
40K
24.85 mi15:37:064:12:5910:119:39
11:17
+0:23
25.2M
25.20 mi15:41:274:17:2010:134:21
12:37
+1:20
Finish
26.22 mi15:52:304:28:2310:1511:03
10:51
-1:46

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

9:21 /mi

Average Pace

10:15 /mi

Slowest Pace

12:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:26

55% of race

Time at Steady Pace

1:42:44

38% of race

Time at Slower Pace

17:13

6% of race

Average Pace: 10:14 /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 mi11:53:1129:049:2129:04
9:21
#21298
10K
6.21 mi12:22:1658:099:2229:05
9:22
#21154
15K
9.32 mi12:51:201:27:139:2129:04
9:21
#20807
20K
12.43 mi13:22:111:58:049:3030:51
9:56
#20690
Half
13.11 mi13:28:382:04:319:306:27
9:27
#20645
25K
15.53 mi13:52:332:28:269:3323:55
9:52
#20302
30K
18.64 mi14:26:103:02:039:4633:37
10:49
#20140
20M
20.00 mi14:41:103:17:039:5115:00
11:02
#20067
21M
21.00 mi14:54:023:29:5510:0012:52
12:52
#20106
35K
21.75 mi15:02:193:38:1210:028:17
11:04
#20097
23M
23.00 mi15:16:333:52:2610:0614:14
11:22
#20032
24M
24.00 mi15:27:274:03:2010:0810:54
10:54
#19971
40K
24.85 mi15:37:064:12:5910:119:39
11:17
#19919
25.2M
25.20 mi15:41:274:17:2010:134:21
12:37
#19896
Finish
26.22 mi15:52:304:28:2310:1511:03
10:51
#19934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212988566856620214(Top 79%)7895(Top 72%)7895(Top 169%)
10K6.21 mi3.10 mi21154+1448461+1058461+10520976(Top 82%)8358(Top 77%)8358(Top 179%)
15K9.32 mi3.11 mi20807+3478258+2038258+20320214(Top 79%)7895(Top 72%)7895(Top 169%)
20K12.43 mi3.11 mi20690+1178192+668192+6620406(Top 80%)8037(Top 74%)8037(Top 172%)
Half13.11 mi0.68 mi20645+458177+158177+1519950(Top 78%)7854(Top 72%)7854(Top 169%)
25K15.53 mi2.42 mi20302+3438003+1748003+17418753(Top 73%)7247(Top 66%)7247(Top 156%)
30K18.64 mi3.11 mi20140+1627967+367967+3619573(Top 77%)7890(Top 72%)7890(Top 169%)
20M20.00 mi1.36 mi20067+737959+87959+819384(Top 76%)7906(Top 72%)7906(Top 170%)
21M21.00 mi1.00 mi20106-398003-448003-4420508(Top 80%)8584(Top 79%)8584(Top 184%)
35K21.75 mi0.75 mi20097+98015-128015-1219974(Top 78%)8324(Top 76%)8324(Top 179%)
23M23.00 mi1.25 mi20032+658008+78008+719345(Top 76%)8058(Top 74%)8058(Top 173%)
24M24.00 mi1.00 mi19971+617991+177991+1718978(Top 74%)7949(Top 73%)7949(Top 171%)
40K24.85 mi0.85 mi19919+527983+87983+818827(Top 74%)7930(Top 73%)7930(Top 170%)
25.2M25.20 mi0.35 mi19896+237975+87975+818829(Top 74%)7929(Top 73%)7929(Top 170%)
Finish26.22 mi1.02 mi19934-388016-418016-4120960(Top 82%)8950(Top 82%)8950(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20214

Females

7895

F18-39

7895

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

20976

Females

8358

F18-39

8358

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20214

Females

7895

F18-39

7895

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

20406

Females

8037

F18-39

8037

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

19950

Females

7854

F18-39

7854

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18753

Females

7247

F18-39

7247

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19573

Females

7890

F18-39

7890

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

19384

Females

7906

F18-39

7906

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

20508

Females

8584

F18-39

8584

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

19974

Females

8324

F18-39

8324

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

19345

Females

8058

F18-39

8058

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

18978

Females

7949

F18-39

7949

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

18827

Females

7930

F18-39

7930

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18829

Females

7929

F18-39

7929

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

20960

Females

8950

F18-39

8950

Passing Analysis

Category:
Athletes Passed
2260
Passed By
896
Net Change
+1364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21298
5K → 10K324180+144#21298#21154
10K → 15K38942+347#21154#20807
15K → 20K244127+117#20807#20690
20K → Half5914+45#20690#20645
Half → 25K36320+343#20645#20302
25K → 30K25593+162#20302#20140
30K → 20M11744+73#20140#20067
20M → 21M65104-39#20067#20106
21M → 35K5041+9#20106#20097
35K → 23M11954+65#20097#20032
23M → 24M9736+61#20032#19971
24M → 40K8836+52#19971#19919
40K → 25.2M4118+23#19919#19896
25.2M → Finish4987-38#19896#19934
TOTALS2260896+1364
📊

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