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BOSTON MARATHON 2024

Rebecca Johnson

Bib: 9367•F

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 16%
Gender (Female)
#0 / 10924
Top 4%
Division (F18-39)
#0 / 4660
Top 8%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4321
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:09
Rank: #3939 (+382)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:02:01
Rank: #3960 (-21)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:23:27
Rank: #4073 (-113)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:28:14
Rank: #4170 (-97)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:45:38
Rank: #4354 (-184)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:08:33
Rank: #4397 (-43)
25K → 30K
22:55 | 7:23/mi
20M
2:18:59
Rank: #4407 (-10)
30K → 20M
10:26 | 7:41/mi
21M
2:27:24
Rank: #4424 (-17)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:33:07
Rank: #4421 (+3)
21M → 35K
5:43 | 7:38/mi
23M
2:43:01
Rank: #4404 (+17)
35K → 23M
9:54 | 7:54/mi
24M
2:50:39
Rank: #4326 (+78)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
2:57:22
Rank: #4272 (+54)
24M → 40K
6:43 | 7:51/mi
25.2M
3:00:16
Rank: #4240 (+32)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:07:46
Rank: #4196 (+44)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:39:32
Pace7:36 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1320:376:3820:37
6:38
-
10K
6.21 mi11:06:4541:096:3720:32
6:37
-0:01
15K
9.32 mi11:27:371:02:016:3920:52
6:43
+0:06
20K
12.43 mi11:49:031:23:276:4321:26
6:54
+0:11
Half
13.11 mi11:53:501:28:146:444:47
7:01
+0:07
25K
15.53 mi12:11:141:45:386:4817:24
7:11
+0:10
30K
18.64 mi12:34:092:08:336:5422:55
7:23
+0:12
20M
20.00 mi12:44:352:18:596:5710:26
7:41
+0:18
21M
21.00 mi12:53:002:27:247:018:25
8:25
+0:44
35K
21.75 mi12:58:432:33:077:025:43
7:38
-0:47
23M
23.00 mi13:08:372:43:017:059:54
7:54
+0:16
24M
24.00 mi13:16:152:50:397:077:38
7:38
-0:16
40K
24.85 mi13:22:582:57:227:086:43
7:51
+0:13
25.2M
25.20 mi13:25:523:00:167:092:54
8:25
+0:34
Finish
26.22 mi13:33:223:07:467:107:30
7:22
-1:03

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

6:37 /mi

Average Pace

7:10 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:14

47% of race

Time at Steady Pace

1:01:10

33% of race

Time at Slower Pace

38:22

20% of race

Average Pace: 7:10 /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 mi10:46:1320:376:3820:37
6:38
#4321
10K
6.21 mi11:06:4541:096:3720:32
6:37
#3939
15K
9.32 mi11:27:371:02:016:3920:52
6:43
#3960
20K
12.43 mi11:49:031:23:276:4321:26
6:54
#4073
Half
13.11 mi11:53:501:28:146:444:47
7:01
#4170
25K
15.53 mi12:11:141:45:386:4817:24
7:11
#4354
30K
18.64 mi12:34:092:08:336:5422:55
7:23
#4397
20M
20.00 mi12:44:352:18:596:5710:26
7:41
#4407
21M
21.00 mi12:53:002:27:247:018:25
8:25
#4424
35K
21.75 mi12:58:432:33:077:025:43
7:38
#4421
23M
23.00 mi13:08:372:43:017:059:54
7:54
#4404
24M
24.00 mi13:16:152:50:397:077:38
7:38
#4326
40K
24.85 mi13:22:582:57:227:086:43
7:51
#4272
25.2M
25.20 mi13:25:523:00:167:092:54
8:25
#4240
Finish
26.22 mi13:33:223:07:467:107:30
7:22
#4196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi43212472474055(Top 16%)235(Top 2%)235(Top 5%)
10K6.21 mi3.10 mi3939+382211+36211+363685(Top 14%)195(Top 2%)195(Top 4%)
15K9.32 mi3.11 mi3960-21213-2213-24055(Top 16%)235(Top 2%)235(Top 5%)
20K12.43 mi3.11 mi4073-113234-21234-214637(Top 18%)360(Top 3%)360(Top 8%)
Half13.11 mi0.68 mi4170-97247-13247-135864(Top 23%)609(Top 6%)609(Top 13%)
25K15.53 mi2.42 mi4354-184285-38285-385187(Top 20%)564(Top 5%)564(Top 12%)
30K18.64 mi3.11 mi4397-43322-37322-374535(Top 18%)505(Top 5%)505(Top 11%)
20M20.00 mi1.36 mi4407-10337-15337-155100(Top 20%)776(Top 7%)776(Top 17%)
21M21.00 mi1.00 mi4424-17356-19356-195855(Top 23%)1227(Top 11%)1227(Top 26%)
35K21.75 mi0.75 mi4421+3365-9365-95807(Top 23%)1207(Top 11%)1207(Top 26%)
23M23.00 mi1.25 mi4404+17386-21386-215317(Top 21%)1137(Top 10%)1137(Top 24%)
24M24.00 mi1.00 mi4326+78400-14400-144718(Top 18%)957(Top 9%)957(Top 21%)
40K24.85 mi0.85 mi4272+54410-10410-105069(Top 20%)1205(Top 11%)1205(Top 26%)
25.2M25.20 mi0.35 mi4240+32413-3413-34120(Top 16%)857(Top 8%)857(Top 18%)
Finish26.22 mi1.02 mi4196+44425-12425-124835(Top 19%)1108(Top 10%)1108(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4055

Females

235

F18-39

235

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3685

Females

195

F18-39

195

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4055

Females

235

F18-39

235

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4637

Females

360

F18-39

360

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

5864

Females

609

F18-39

609

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5187

Females

564

F18-39

564

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4535

Females

505

F18-39

505

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5100

Females

776

F18-39

776

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5855

Females

1227

F18-39

1227

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5807

Females

1207

F18-39

1207

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5317

Females

1137

F18-39

1137

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4718

Females

957

F18-39

957

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5069

Females

1205

F18-39

1205

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4120

Females

857

F18-39

857

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4835

Females

1108

F18-39

1108

Passing Analysis

Category:
Athletes Passed
1591
Passed By
1466
Net Change
+125
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4321
5K → 10K42442+382#4321#3939
10K → 15K115136-21#3939#3960
15K → 20K117230-113#3960#4073
20K → Half11108-97#4073#4170
Half → 25K88272-184#4170#4354
25K → 30K186229-43#4354#4397
30K → 20M97107-10#4397#4407
20M → 21M7491-17#4407#4424
21M → 35K5754+3#4424#4421
35K → 23M10083+17#4421#4404
23M → 24M11840+78#4404#4326
24M → 40K8632+54#4326#4272
40K → 25.2M4412+32#4272#4240
25.2M → Finish7430+44#4240#4196
TOTALS15911466+125
📊

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