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BOSTON MARATHON 2024

Mary O'brien

Bib: 24035•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
28:12
Rank: #20379
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
56:07
Rank: #20028 (+351)
5K → 10K
27:55 | 8:59/mi
15K· 9.32 mi
1:24:00
Rank: #19620 (+408)
10K → 15K
27:53 | 8:58/mi
20K· 12.43 mi
1:52:10
Rank: #19068 (+552)
15K → 20K
28:10 | 9:04/mi
Half· 13.11 mi
1:58:23
Rank: #19048 (+20)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:21:52
Rank: #18872 (+176)
Half → 25K
23:29 | 9:41/mi
30K· 18.64 mi
2:55:19
Rank: #19040 (-168)
25K → 30K
33:27 | 10:46/mi
20M
3:10:50
Rank: #19151 (-111)
30K → 20M
15:31 | 11:25/mi
21M
3:22:27
Rank: #19056 (+95)
20M → 21M
11:37 | 11:37/mi
35K· 21.75 mi
3:30:55
Rank: #19110 (-54)
21M → 35K
8:28 | 11:19/mi
23M
3:46:13
Rank: #19247 (-137)
35K → 23M
15:18 | 12:13/mi
24M
3:58:15
Rank: #19353 (-106)
23M → 24M
12:02 | 12:02/mi
40K· 24.85 mi
4:07:48
Rank: #19306 (+47)
24M → 40K
9:33 | 11:10/mi
25.2M
4:11:57
Rank: #19264 (+42)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:21:29
Rank: #19144 (+120)
25.2M → Finish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:23
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:23:06
Pace10:55 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2828:129:0528:12
9:05
-
10K
6.21 mi12:11:2356:079:0227:55
8:59
-0:06
15K
9.32 mi12:39:161:24:009:0127:53
8:58
-0:01
20K
12.43 mi13:07:261:52:109:0228:10
9:04
+0:06
Half
13.11 mi13:13:391:58:239:026:13
9:07
+0:03
25K
15.53 mi13:37:082:21:529:0823:29
9:41
+0:34
30K
18.64 mi14:10:352:55:199:2433:27
10:46
+1:05
20M
20.00 mi14:26:063:10:509:3215:31
11:25
+0:39
21M
21.00 mi14:37:433:22:279:3811:37
11:37
+0:12
35K
21.75 mi14:46:113:30:559:428:28
11:19
-0:18
23M
23.00 mi15:01:293:46:139:5015:18
12:13
+0:54
24M
24.00 mi15:13:313:58:159:5612:02
12:02
-0:11
40K
24.85 mi15:23:044:07:489:589:33
11:10
-0:52
25.2M
25.20 mi15:27:134:11:5710:004:09
12:02
+0:52
Finish
26.22 mi15:36:454:21:299:599:32
9:21
-2:41

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

8:58 /mi

Average Pace

9:59 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:24

58% of race

Time at Steady Pace

51:28

20% of race

Time at Slower Pace

58:37

22% of race

Average Pace: 9:58 /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 mi11:43:2828:129:0528:12
9:05
#20379
10K
6.21 mi12:11:2356:079:0227:55
8:59
#20028
15K
9.32 mi12:39:161:24:009:0127:53
8:58
#19620
20K
12.43 mi13:07:261:52:109:0228:10
9:04
#19068
Half
13.11 mi13:13:391:58:239:026:13
9:07
#19048
25K
15.53 mi13:37:082:21:529:0823:29
9:41
#18872
30K
18.64 mi14:10:352:55:199:2433:27
10:46
#19040
20M
20.00 mi14:26:063:10:509:3215:31
11:25
#19151
21M
21.00 mi14:37:433:22:279:3811:37
11:37
#19056
35K
21.75 mi14:46:113:30:559:428:28
11:19
#19110
23M
23.00 mi15:01:293:46:139:5015:18
12:13
#19247
24M
24.00 mi15:13:313:58:159:5612:02
12:02
#19353
40K
24.85 mi15:23:044:07:489:589:33
11:10
#19306
25.2M
25.20 mi15:27:134:11:5710:004:09
12:02
#19264
Finish
26.22 mi15:36:454:21:299:599:32
9:21
#19144
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi203798081808118801(Top 74%)7140(Top 65%)7140(Top 153%)
10K6.21 mi3.10 mi20028+3517880+2017880+20119697(Top 77%)7671(Top 70%)7671(Top 165%)
15K9.32 mi3.11 mi19620+4087632+2487632+24818801(Top 74%)7140(Top 65%)7140(Top 153%)
20K12.43 mi3.11 mi19068+5527330+3027330+30217635(Top 69%)6505(Top 60%)6505(Top 140%)
Half13.11 mi0.68 mi19048+207318+127318+1218781(Top 74%)7215(Top 66%)7215(Top 155%)
25K15.53 mi2.42 mi18872+1767240+787240+7818165(Top 71%)6928(Top 63%)6928(Top 149%)
30K18.64 mi3.11 mi19040-1687391-1517391-15119439(Top 76%)7814(Top 72%)7814(Top 168%)
20M20.00 mi1.36 mi19151-1117486-957486-9520238(Top 79%)8346(Top 76%)8346(Top 179%)
21M21.00 mi1.00 mi19056+957460+267460+2617949(Top 70%)7302(Top 67%)7302(Top 157%)
35K21.75 mi0.75 mi19110-547493-337493-3320477(Top 80%)8578(Top 79%)8578(Top 184%)
23M23.00 mi1.25 mi19247-1377590-977590-9721193(Top 83%)8978(Top 82%)8978(Top 193%)
24M24.00 mi1.00 mi19353-1067671-817671-8121512(Top 84%)9190(Top 84%)9190(Top 197%)
40K24.85 mi0.85 mi19306+477664+77664+718543(Top 73%)7774(Top 71%)7774(Top 167%)
25.2M25.20 mi0.35 mi19264+427648+167648+1617448(Top 68%)7276(Top 67%)7276(Top 156%)
Finish26.22 mi1.02 mi19144+1207603+457603+4515893(Top 62%)6465(Top 59%)6465(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

18801

Females

7140

F18-39

7140

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19697

Females

7671

F18-39

7671

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

18801

Females

7140

F18-39

7140

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

17635

Females

6505

F18-39

6505

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18781

Females

7215

F18-39

7215

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18165

Females

6928

F18-39

6928

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19439

Females

7814

F18-39

7814

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

20238

Females

8346

F18-39

8346

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

17949

Females

7302

F18-39

7302

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

20477

Females

8578

F18-39

8578

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

21193

Females

8978

F18-39

8978

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

21512

Females

9190

F18-39

9190

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18543

Females

7774

F18-39

7774

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17448

Females

7276

F18-39

7276

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15893

Females

6465

F18-39

6465

Passing Analysis

Category:
Athletes Passed
2591
Passed By
1356
Net Change
+1235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20379
5K → 10K477126+351#20379#20028
10K → 15K45749+408#20028#19620
15K → 20K57624+552#19620#19068
20K → Half5636+20#19068#19048
Half → 25K27296+176#19048#18872
25K → 30K172340-168#18872#19040
30K → 20M58169-111#19040#19151
20M → 21M13136+95#19151#19056
21M → 35K4498-54#19056#19110
35K → 23M59196-137#19110#19247
23M → 24M31137-106#19247#19353
24M → 40K8134+47#19353#19306
40K → 25.2M519+42#19306#19264
25.2M → Finish1266+120#19264#19144
TOTALS25911356+1235
📊

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