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BOSTON MARATHON 2024

Julia Loeb

Bib: 10356•F

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 50%
Gender (Female)
#0 / 10924
Top 38%
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
26:38
Rank: #18186
Start → 5K
26:38 | 8:34/mi
10K· 6.21 mi
53:26
Rank: #18081 (+105)
5K → 10K
26:48 | 8:38/mi
15K· 9.32 mi
1:21:47
Rank: #18589 (-508)
10K → 15K
28:21 | 9:07/mi
20K· 12.43 mi
1:48:57
Rank: #17863 (+726)
15K → 20K
27:10 | 8:45/mi
Half· 13.11 mi
1:55:01
Rank: #17855 (+8)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:15:27
Rank: #16938 (+917)
Half → 25K
20:26 | 8:26/mi
30K· 18.64 mi
2:42:11
Rank: #15900 (+1038)
25K → 30K
26:44 | 8:36/mi
20M
2:53:41
Rank: #15414 (+486)
30K → 20M
11:30 | 8:28/mi
21M
3:02:21
Rank: #14937 (+477)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
3:08:42
Rank: #14773 (+164)
21M → 35K
6:21 | 8:29/mi
23M
3:18:50
Rank: #14216 (+557)
35K → 23M
10:08 | 8:06/mi
24M
3:26:41
Rank: #13809 (+407)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:33:17
Rank: #13393 (+416)
24M → 40K
6:36 | 7:43/mi
25.2M
3:36:00
Rank: #13157 (+236)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:43:04
Rank: #12686 (+471)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:03
Pace8:15 /mi
📊Negative Split: 6.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4826:388:3426:38
8:34
-
10K
6.21 mi11:20:3653:268:3626:48
8:38
+0:04
15K
9.32 mi11:48:571:21:478:4628:21
9:07
+0:29
20K
12.43 mi12:16:071:48:578:4627:10
8:45
-0:22
Half
13.11 mi12:22:111:55:018:466:04
8:54
+0:09
25K
15.53 mi12:42:372:15:278:4320:26
8:26
-0:28
30K
18.64 mi13:09:212:42:118:4226:44
8:36
+0:10
20M
20.00 mi13:20:512:53:418:4111:30
8:28
-0:08
21M
21.00 mi13:29:313:02:218:418:40
8:40
+0:12
35K
21.75 mi13:35:523:08:428:416:21
8:29
-0:11
23M
23.00 mi13:46:003:18:508:3910:08
8:06
-0:23
24M
24.00 mi13:53:513:26:418:377:51
7:51
-0:15
40K
24.85 mi14:00:273:33:178:356:36
7:43
-0:08
25.2M
25.20 mi14:03:103:36:008:342:43
7:53
+0:10
Finish
26.22 mi14:10:143:43:048:317:04
6:56
-0:57

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

6:56 /mi

Average Pace

8:31 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:22

15% of race

Time at Steady Pace

2:34:17

69% of race

Time at Slower Pace

34:25

15% of race

Average Pace: 8:30 /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 mi10:53:4826:388:3426:38
8:34
#18186
10K
6.21 mi11:20:3653:268:3626:48
8:38
#18081
15K
9.32 mi11:48:571:21:478:4628:21
9:07
#18589
20K
12.43 mi12:16:071:48:578:4627:10
8:45
#17863
Half
13.11 mi12:22:111:55:018:466:04
8:54
#17855
25K
15.53 mi12:42:372:15:278:4320:26
8:26
#16938
30K
18.64 mi13:09:212:42:118:4226:44
8:36
#15900
20M
20.00 mi13:20:512:53:418:4111:30
8:28
#15414
21M
21.00 mi13:29:313:02:218:418:40
8:40
#14937
35K
21.75 mi13:35:523:08:428:416:21
8:29
#14773
23M
23.00 mi13:46:003:18:508:3910:08
8:06
#14216
24M
24.00 mi13:53:513:26:418:377:51
7:51
#13809
40K
24.85 mi14:00:273:33:178:356:36
7:43
#13393
25.2M
25.20 mi14:03:103:36:008:342:43
7:53
#13157
Finish
26.22 mi14:10:143:43:048:317:04
6:56
#12686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi181866872687219444(Top 76%)7489(Top 69%)7489(Top 161%)
10K6.21 mi3.10 mi18081+1056791+816791+8118012(Top 70%)6741(Top 62%)6741(Top 145%)
15K9.32 mi3.11 mi18589-5087075-2847075-28419444(Top 76%)7489(Top 69%)7489(Top 161%)
20K12.43 mi3.11 mi17863+7266669+4066669+40616085(Top 63%)5646(Top 52%)5646(Top 121%)
Half13.11 mi0.68 mi17855+86670-16670-117824(Top 70%)6716(Top 61%)6716(Top 144%)
25K15.53 mi2.42 mi16938+9176162+5086162+50812687(Top 50%)3882(Top 36%)3882(Top 83%)
30K18.64 mi3.11 mi15900+10385613+5495613+54911202(Top 44%)3290(Top 30%)3290(Top 71%)
20M20.00 mi1.36 mi15414+4865372+2415372+2419274(Top 36%)2603(Top 24%)2603(Top 56%)
21M21.00 mi1.00 mi14937+4775140+2325140+2327023(Top 27%)1732(Top 16%)1732(Top 37%)
35K21.75 mi0.75 mi14773+1645076+645076+6410744(Top 42%)3632(Top 33%)3632(Top 78%)
23M23.00 mi1.25 mi14216+5574802+2744802+2746272(Top 25%)1582(Top 14%)1582(Top 34%)
24M24.00 mi1.00 mi13809+4074623+1794623+1795880(Top 23%)1482(Top 14%)1482(Top 32%)
40K24.85 mi0.85 mi13393+4164435+1884435+1884472(Top 18%)976(Top 9%)976(Top 21%)
25.2M25.20 mi0.35 mi13157+2364321+1144321+1142465(Top 10%)336(Top 3%)336(Top 7%)
Finish26.22 mi1.02 mi12686+4714113+2084113+2082909(Top 11%)452(Top 4%)452(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

19444

Females

7489

F18-39

7489

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18012

Females

6741

F18-39

6741

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

19444

Females

7489

F18-39

7489

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16085

Females

5646

F18-39

5646

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

17824

Females

6716

F18-39

6716

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12687

Females

3882

F18-39

3882

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11202

Females

3290

F18-39

3290

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9274

Females

2603

F18-39

2603

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7023

Females

1732

F18-39

1732

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

10744

Females

3632

F18-39

3632

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6272

Females

1582

F18-39

1582

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5880

Females

1482

F18-39

1482

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4472

Females

976

F18-39

976

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2465

Females

336

F18-39

336

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2909

Females

452

F18-39

452

Passing Analysis

Category:
Athletes Passed
6392
Passed By
892
Net Change
+5500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18186
5K → 10K332227+105#18186#18081
10K → 15K93601-508#18081#18589
15K → 20K7359+726#18589#17863
20K → Half5345+8#17863#17855
Half → 25K9192+917#17855#16938
25K → 30K10380+1038#16938#15900
30K → 20M4871+486#15900#15414
20M → 21M4781+477#15414#14937
21M → 35K1706+164#14937#14773
35K → 23M5570+557#14773#14216
23M → 24M4070+407#14216#13809
24M → 40K4160+416#13809#13393
40K → 25.2M2360+236#13393#13157
25.2M → Finish4710+471#13157#12686
TOTALS6392892+5500
📊

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