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BOSTON MARATHON 2023

Annmarie O'Flaherty

Bib: 25696•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:06
Rank: #26023
Start → 5K
35:06 | 11:18/mi
10K· 6.21 mi
1:13:39
Rank: #26321 (-298)
5K → 10K
38:33 | 12:24/mi
15K· 9.32 mi
1:53:00
Rank: #26356 (-35)
10K → 15K
39:21 | 12:40/mi
20K· 12.43 mi
2:34:07
Rank: #26361 (-5)
15K → 20K
41:07 | 13:14/mi
Half· 13.11 mi
2:42:57
Rank: #26361
20K → Half
8:50 | 12:57/mi
25K· 15.53 mi
3:15:58
Rank: #26344 (+17)
Half → 25K
33:01 | 13:37/mi
30K· 18.64 mi
4:00:25
Rank: #26341 (+3)
25K → 30K
44:27 | 14:18/mi
20M
4:20:24
Rank: #26345 (-4)
30K → 20M
19:59 | 14:42/mi
21M
4:35:06
Rank: #26323 (+22)
20M → 21M
14:42 | 14:42/mi
35K· 21.75 mi
4:44:56
Rank: #26309 (+14)
21M → 35K
9:50 | 13:09/mi
23M
5:01:49
Rank: #26287 (+22)
35K → 23M
16:53 | 13:29/mi
24M
5:14:54
Rank: #26262 (+25)
23M → 24M
13:05 | 13:05/mi
40K· 24.85 mi
5:27:00
Rank: #26254 (+8)
24M → 40K
12:06 | 14:09/mi
25.2M
5:32:02
Rank: #26254
40K → 25.2M
5:02 | 14:36/mi
Finish· 26.22 mi
5:44:38
Rank: #26238 (+16)
25.2M → Finish
12:36 | 12:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:42:57
Pace12:26 /mi
2nd Half
Distance13.11 mi
Time3:01:41
Pace13:52 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5735:0611:1835:06
11:18
-
10K
6.21 mi12:36:301:13:3911:5138:33
12:24
+1:06
15K
9.32 mi13:15:511:53:0012:0739:21
12:40
+0:16
20K
12.43 mi13:56:582:34:0712:2441:07
13:14
+0:34
Half
13.11 mi14:05:482:42:5712:268:50
12:57
-0:17
25K
15.53 mi14:38:493:15:5812:3733:01
13:37
+0:40
30K
18.64 mi15:23:164:00:2512:5444:27
14:18
+0:41
20M
20.00 mi15:43:154:20:2413:0119:59
14:42
+0:24
21M
21.00 mi15:57:574:35:0613:0614:42
14:42
0:00
35K
21.75 mi16:07:474:44:5613:069:50
13:09
-1:33
23M
23.00 mi16:24:405:01:4913:0716:53
13:29
+0:20
24M
24.00 mi16:37:455:14:5413:0713:05
13:05
-0:24
40K
24.85 mi16:49:515:27:0013:0912:06
14:09
+1:04
25.2M
25.20 mi16:54:535:32:0213:115:02
14:36
+0:27
Finish
26.22 mi17:07:295:44:3813:0912:36
12:22
-2:14

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

11:18 /mi

Average Pace

13:09 /mi

Slowest Pace

14:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:36

36% of race

Time at Steady Pace

2:02:46

36% of race

Time at Slower Pace

1:36:16

28% of race

Average Pace: 13:09 /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 mi11:57:5735:0611:1835:06
11:18
#26023
10K
6.21 mi12:36:301:13:3911:5138:33
12:24
#26321
15K
9.32 mi13:15:511:53:0012:0739:21
12:40
#26356
20K
12.43 mi13:56:582:34:0712:2441:07
13:14
#26361
Half
13.11 mi14:05:482:42:5712:268:50
12:57
#26361
25K
15.53 mi14:38:493:15:5812:3733:01
13:37
#26344
30K
18.64 mi15:23:164:00:2512:5444:27
14:18
#26341
20M
20.00 mi15:43:154:20:2413:0119:59
14:42
#26345
21M
21.00 mi15:57:574:35:0613:0614:42
14:42
#26323
35K
21.75 mi16:07:474:44:5613:069:50
13:09
#26309
23M
23.00 mi16:24:405:01:4913:0716:53
13:29
#26287
24M
24.00 mi16:37:455:14:5413:0713:05
13:05
#26262
40K
24.85 mi16:49:515:27:0013:0912:06
14:09
#26254
25.2M
25.20 mi16:54:535:32:0213:115:02
14:36
#26254
Finish
26.22 mi17:07:295:44:3813:0912:36
12:22
#26238
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26023110601106026391(Top 99%)11289(Top 99%)11289(Top 231%)
10K6.21 mi3.10 mi26321-29811243-18311243-18326445(Top 99%)11324(Top 99%)11324(Top 232%)
15K9.32 mi3.11 mi26356-3511266-2311266-2326391(Top 99%)11289(Top 99%)11289(Top 231%)
20K12.43 mi3.11 mi26361-511264+211264+226338(Top 99%)11263(Top 99%)11263(Top 231%)
Half13.11 mi0.68 mi26361112641126426341(Top 99%)11265(Top 99%)11265(Top 231%)
25K15.53 mi2.42 mi26344+1711249+1511249+1526183(Top 98%)11179(Top 98%)11179(Top 229%)
30K18.64 mi3.11 mi26341+311253-411253-426175(Top 98%)11183(Top 98%)11183(Top 229%)
20M20.00 mi1.36 mi26345-411258-511258-526186(Top 98%)11221(Top 98%)11221(Top 230%)
21M21.00 mi1.00 mi26323+2211247+1111247+1125569(Top 96%)10890(Top 95%)10890(Top 223%)
35K21.75 mi0.75 mi26309+1411236+1111236+1125678(Top 96%)10988(Top 96%)10988(Top 225%)
23M23.00 mi1.25 mi26287+2211231+511231+525490(Top 96%)10894(Top 95%)10894(Top 223%)
24M24.00 mi1.00 mi26262+2511224+711224+725543(Top 96%)10950(Top 96%)10950(Top 224%)
40K24.85 mi0.85 mi26254+811218+611218+625768(Top 97%)11061(Top 97%)11061(Top 226%)
25.2M25.20 mi0.35 mi2625411215+311215+325470(Top 96%)10918(Top 96%)10918(Top 224%)
Finish26.22 mi1.02 mi26238+1611211+411211+425588(Top 96%)10970(Top 96%)10970(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26391

Females

11289

F18-39

11289

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26445

Females

11324

F18-39

11324

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26391

Females

11289

F18-39

11289

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26338

Females

11263

F18-39

11263

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26341

Females

11265

F18-39

11265

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26183

Females

11179

F18-39

11179

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26175

Females

11183

F18-39

11183

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26186

Females

11221

F18-39

11221

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25569

Females

10890

F18-39

10890

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25678

Females

10988

F18-39

10988

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25490

Females

10894

F18-39

10894

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

25543

Females

10950

F18-39

10950

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25768

Females

11061

F18-39

11061

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25470

Females

10918

F18-39

10918

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25588

Females

10970

F18-39

10970

Passing Analysis

Category:
Athletes Passed
285
Passed By
500
Net Change
-215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26023
5K → 10K3301-298#26023#26321
10K → 15K2459-35#26321#26356
15K → 20K3035-5#26356#26361
20K → Half550#26361#26361
Half → 25K3215+17#26361#26344
25K → 30K4037+3#26344#26341
30K → 20M1418-4#26341#26345
20M → 21M286+22#26345#26323
21M → 35K162+14#26323#26309
35K → 23M275+22#26309#26287
23M → 24M294+25#26287#26262
24M → 40K157+8#26262#26254
40K → 25.2M550#26254#26254
25.2M → Finish171+16#26254#26238
TOTALS285500-215
📊

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