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BOSTON MARATHON 2024

Julia Larson

Bib: 9262•F

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 11%
Gender (Female)
#0 / 10924
Top 2%
Division (F18-39)
#0 / 4660
Top 3%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #5463
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
42:15
Rank: #5420 (+43)
5K → 10K
21:12 | 6:49/mi
15K· 9.32 mi
1:03:22
Rank: #5163 (+257)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:33
Rank: #4774 (+389)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:08
Rank: #4710 (+64)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:26
Rank: #4273 (+437)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:06:42
Rank: #3699 (+574)
25K → 30K
21:16 | 6:51/mi
20M
2:15:59
Rank: #3446 (+253)
30K → 20M
9:17 | 6:50/mi
21M
2:23:18
Rank: #3279 (+167)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:28:24
Rank: #3200 (+79)
21M → 35K
5:06 | 6:49/mi
23M
2:37:05
Rank: #3024 (+176)
35K → 23M
8:41 | 6:56/mi
24M
2:43:56
Rank: #2929 (+95)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:50:02
Rank: #2864 (+65)
24M → 40K
6:06 | 7:08/mi
25.2M
2:52:46
Rank: #2843 (+21)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:59:23
Rank: #2743 (+100)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3521:036:4721:03
6:47
-
10K
6.21 mi11:07:4742:156:4821:12
6:49
+0:02
15K
9.32 mi11:28:541:03:226:4821:07
6:48
-0:01
20K
12.43 mi11:50:051:24:336:4821:11
6:49
+0:01
Half
13.11 mi11:54:401:29:086:484:35
6:43
-0:06
25K
15.53 mi12:10:581:45:266:4716:18
6:43
0:00
30K
18.64 mi12:32:142:06:426:4821:16
6:51
+0:08
20M
20.00 mi12:41:312:15:596:489:17
6:50
-0:01
21M
21.00 mi12:48:502:23:186:497:19
7:19
+0:29
35K
21.75 mi12:53:562:28:246:495:06
6:49
-0:30
23M
23.00 mi13:02:372:37:056:508:41
6:56
+0:07
24M
24.00 mi13:09:282:43:566:506:51
6:51
-0:05
40K
24.85 mi13:15:342:50:026:506:06
7:08
+0:17
25.2M
25.20 mi13:18:182:52:466:512:44
7:56
+0:48
Finish
26.22 mi13:24:552:59:236:516:37
6:30
-1:26

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

6:30 /mi

Average Pace

6:51 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:37

4% of race

Time at Steady Pace

2:36:37

87% of race

Time at Slower Pace

16:09

9% of race

Average Pace: 6:50 /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 mi10:46:3521:036:4721:03
6:47
#5463
10K
6.21 mi11:07:4742:156:4821:12
6:49
#5420
15K
9.32 mi11:28:541:03:226:4821:07
6:48
#5163
20K
12.43 mi11:50:051:24:336:4821:11
6:49
#4774
Half
13.11 mi11:54:401:29:086:484:35
6:43
#4710
25K
15.53 mi12:10:581:45:266:4716:18
6:43
#4273
30K
18.64 mi12:32:142:06:426:4821:16
6:51
#3699
20M
20.00 mi12:41:312:15:596:489:17
6:50
#3446
21M
21.00 mi12:48:502:23:186:497:19
7:19
#3279
35K
21.75 mi12:53:562:28:246:495:06
6:49
#3200
23M
23.00 mi13:02:372:37:056:508:41
6:56
#3024
24M
24.00 mi13:09:282:43:566:506:51
6:51
#2929
40K
24.85 mi13:15:342:50:026:506:06
7:08
#2864
25.2M
25.20 mi13:18:182:52:466:512:44
7:56
#2843
Finish
26.22 mi13:24:552:59:236:516:37
6:30
#2743
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi54634364364712(Top 18%)336(Top 3%)336(Top 7%)
10K6.21 mi3.10 mi5420+43427+9427+95415(Top 21%)430(Top 4%)430(Top 9%)
15K9.32 mi3.11 mi5163+257380+47380+474712(Top 18%)336(Top 3%)336(Top 7%)
20K12.43 mi3.11 mi4774+389337+43337+434026(Top 16%)260(Top 2%)260(Top 6%)
Half13.11 mi0.68 mi4710+64324+13324+133983(Top 16%)249(Top 2%)249(Top 5%)
25K15.53 mi2.42 mi4273+437274+50274+502788(Top 11%)150(Top 1%)150(Top 3%)
30K18.64 mi3.11 mi3699+574218+56218+562120(Top 8%)109(Top 1.0%)109(Top 2%)
20M20.00 mi1.36 mi3446+253200+18200+181714(Top 7%)95(Top 0.9%)95(Top 2%)
21M21.00 mi1.00 mi3279+167189+11189+111933(Top 8%)131(Top 1%)131(Top 3%)
35K21.75 mi0.75 mi3200+79191-2191-22388(Top 9%)197(Top 2%)197(Top 4%)
23M23.00 mi1.25 mi3024+176176+15176+151735(Top 7%)130(Top 1%)130(Top 3%)
24M24.00 mi1.00 mi2929+95171+5171+51868(Top 7%)164(Top 2%)164(Top 4%)
40K24.85 mi0.85 mi2864+651711712304(Top 9%)260(Top 2%)260(Top 6%)
25.2M25.20 mi0.35 mi2843+21179-8179-82568(Top 10%)339(Top 3%)339(Top 7%)
Finish26.22 mi1.02 mi2743+100170+9170+91401(Top 5%)126(Top 1%)126(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4712

Females

336

F18-39

336

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5415

Females

430

F18-39

430

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4712

Females

336

F18-39

336

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4026

Females

260

F18-39

260

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

3983

Females

249

F18-39

249

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2788

Females

150

F18-39

150

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2120

Females

109

F18-39

109

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1714

Females

95

F18-39

95

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

1933

Females

131

F18-39

131

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2388

Females

197

F18-39

197

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1735

Females

130

F18-39

130

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1868

Females

164

F18-39

164

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2304

Females

260

F18-39

260

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2568

Females

339

F18-39

339

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1401

Females

126

F18-39

126

Passing Analysis

Category:
Athletes Passed
3019
Passed By
299
Net Change
+2720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5463
5K → 10K210167+43#5463#5420
10K → 15K29134+257#5420#5163
15K → 20K40718+389#5163#4774
20K → Half673+64#4774#4710
Half → 25K4370+437#4710#4273
25K → 30K5784+574#4273#3699
30K → 20M2574+253#3699#3446
20M → 21M1758+167#3446#3279
21M → 35K9314+79#3279#3200
35K → 23M1793+176#3200#3024
23M → 24M1016+95#3024#2929
24M → 40K8217+65#2929#2864
40K → 25.2M3918+21#2864#2843
25.2M → Finish1033+100#2843#2743
TOTALS3019299+2720
📊

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