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BOSTON MARATHON 2024

Julia O'Loughlin

Bib: 24434•F

MD

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Division (F18-39)
#0 / 4660
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #17173
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
51:42
Rank: #16469 (+704)
5K → 10K
25:38 | 8:15/mi
15K· 9.32 mi
1:17:11
Rank: #15788 (+681)
10K → 15K
25:29 | 8:12/mi
20K· 12.43 mi
1:43:12
Rank: #15316 (+472)
15K → 20K
26:01 | 8:22/mi
Half· 13.11 mi
1:48:51
Rank: #15259 (+57)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:36
Rank: #14891 (+368)
Half → 25K
20:45 | 8:33/mi
30K· 18.64 mi
2:36:20
Rank: #14126 (+765)
25K → 30K
26:44 | 8:36/mi
20M
2:48:08
Rank: #13810 (+316)
30K → 20M
11:48 | 8:41/mi
21M
2:56:58
Rank: #13381 (+429)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
3:03:21
Rank: #13264 (+117)
21M → 35K
6:23 | 8:32/mi
23M
3:13:40
Rank: #12837 (+427)
35K → 23M
10:19 | 8:14/mi
24M
3:21:54
Rank: #12578 (+259)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:28:51
Rank: #12288 (+290)
24M → 40K
6:57 | 8:08/mi
25.2M
3:31:49
Rank: #12144 (+144)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:39:20
Rank: #11830 (+314)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:51
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2026:048:2326:04
8:23
-
10K
6.21 mi12:06:5851:428:1925:38
8:15
-0:08
15K
9.32 mi12:32:271:17:118:1725:29
8:12
-0:03
20K
12.43 mi12:58:281:43:128:1826:01
8:22
+0:10
Half
13.11 mi13:04:071:48:518:185:39
8:17
-0:05
25K
15.53 mi13:24:522:09:368:2120:45
8:33
+0:16
30K
18.64 mi13:51:362:36:208:2326:44
8:36
+0:03
20M
20.00 mi14:03:242:48:088:2411:48
8:41
+0:05
21M
21.00 mi14:12:142:56:588:268:50
8:50
+0:09
35K
21.75 mi14:18:373:03:218:266:23
8:32
-0:18
23M
23.00 mi14:28:563:13:408:2510:19
8:14
-0:18
24M
24.00 mi14:37:103:21:548:258:14
8:14
0:00
40K
24.85 mi14:44:073:28:518:246:57
8:08
-0:06
25.2M
25.20 mi14:47:053:31:498:242:58
8:36
+0:28
Finish
26.22 mi14:54:363:39:208:227:31
7:23
-1:13

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

7:23 /mi

Average Pace

8:22 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:31

3% of race

Time at Steady Pace

3:22:59

93% of race

Time at Slower Pace

8:50

4% of race

Average Pace: 8:22 /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 mi11:41:2026:048:2326:04
8:23
#17173
10K
6.21 mi12:06:5851:428:1925:38
8:15
#16469
15K
9.32 mi12:32:271:17:118:1725:29
8:12
#15788
20K
12.43 mi12:58:281:43:128:1826:01
8:22
#15316
Half
13.11 mi13:04:071:48:518:185:39
8:17
#15259
25K
15.53 mi13:24:522:09:368:2120:45
8:33
#14891
30K
18.64 mi13:51:362:36:208:2326:44
8:36
#14126
20M
20.00 mi14:03:242:48:088:2411:48
8:41
#13810
21M
21.00 mi14:12:142:56:588:268:50
8:50
#13381
35K
21.75 mi14:18:373:03:218:266:23
8:32
#13264
23M
23.00 mi14:28:563:13:408:2510:19
8:14
#12837
24M
24.00 mi14:37:103:21:548:258:14
8:14
#12578
40K
24.85 mi14:44:073:28:518:246:57
8:08
#12288
25.2M
25.20 mi14:47:053:31:498:242:58
8:36
#12144
Finish
26.22 mi14:54:363:39:208:227:31
7:23
#11830
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171736261626114745(Top 58%)4809(Top 44%)4809(Top 103%)
10K6.21 mi3.10 mi16469+7045843+4185843+41815822(Top 62%)5420(Top 50%)5420(Top 116%)
15K9.32 mi3.11 mi15788+6815436+4075436+40714745(Top 58%)4809(Top 44%)4809(Top 103%)
20K12.43 mi3.11 mi15316+4725149+2875149+28714105(Top 55%)4490(Top 41%)4490(Top 96%)
Half13.11 mi0.68 mi15259+575110+395110+3914496(Top 57%)4741(Top 43%)4741(Top 102%)
25K15.53 mi2.42 mi14891+3684933+1774933+17713369(Top 52%)4250(Top 39%)4250(Top 91%)
30K18.64 mi3.11 mi14126+7654554+3794554+37911194(Top 44%)3282(Top 30%)3282(Top 70%)
20M20.00 mi1.36 mi13810+3164426+1284426+12810471(Top 41%)3195(Top 29%)3195(Top 69%)
21M21.00 mi1.00 mi13381+4294256+1704256+1707808(Top 31%)2096(Top 19%)2096(Top 45%)
35K21.75 mi0.75 mi13264+1174219+374219+3710952(Top 43%)3720(Top 34%)3720(Top 80%)
23M23.00 mi1.25 mi12837+4274033+1864033+1867054(Top 28%)1932(Top 18%)1932(Top 41%)
24M24.00 mi1.00 mi12578+2593935+983935+987982(Top 31%)2485(Top 23%)2485(Top 53%)
40K24.85 mi0.85 mi12288+2903825+1103825+1106472(Top 25%)1880(Top 17%)1880(Top 40%)
25.2M25.20 mi0.35 mi12144+1443764+613764+614954(Top 19%)1257(Top 12%)1257(Top 27%)
Finish26.22 mi1.02 mi11830+3143636+1283636+1284958(Top 19%)1185(Top 11%)1185(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

14745

Females

4809

F18-39

4809

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

15822

Females

5420

F18-39

5420

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

14745

Females

4809

F18-39

4809

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14105

Females

4490

F18-39

4490

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14496

Females

4741

F18-39

4741

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13369

Females

4250

F18-39

4250

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11194

Females

3282

F18-39

3282

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10471

Females

3195

F18-39

3195

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

7808

Females

2096

F18-39

2096

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

10952

Females

3720

F18-39

3720

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7054

Females

1932

F18-39

1932

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

7982

Females

2485

F18-39

2485

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6472

Females

1880

F18-39

1880

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4954

Females

1257

F18-39

1257

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4958

Females

1185

F18-39

1185

Passing Analysis

Category:
Athletes Passed
5586
Passed By
243
Net Change
+5343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17173
5K → 10K76965+704#17173#16469
10K → 15K70322+681#16469#15788
15K → 20K51644+472#15788#15316
20K → Half6912+57#15316#15259
Half → 25K41749+368#15259#14891
25K → 30K77712+765#14891#14126
30K → 20M32610+316#14126#13810
20M → 21M4301+429#13810#13381
21M → 35K13619+117#13381#13264
35K → 23M4292+427#13264#12837
23M → 24M2645+259#12837#12578
24M → 40K2911+290#12578#12288
40K → 25.2M1440+144#12288#12144
25.2M → Finish3151+314#12144#11830
TOTALS5586243+5343
📊

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