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BOSTON MARATHON 2023

Fidelma Crowe

Bib: 21219•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16273
Start → 5K
8:19/mi
25:50 split
10K· 6.21 mi
51:53
Rank: #16868 (-595)
5K → 10K
8:23/mi
26:03 split
15K· 9.32 mi
1:18:22
Rank: #17249 (-381)
10K → 15K
8:31/mi
26:29 split
20K· 12.43 mi
1:45:32
Rank: #17506 (-257)
15K → 20K
8:45/mi
27:10 split
Half· 13.11 mi
1:51:28
Rank: #17586 (-80)
20K → Half
8:42/mi
5:56 split
25K· 15.53 mi
2:12:55
Rank: #17664 (-78)
Half → 25K
8:51/mi
21:27 split
30K· 18.64 mi
2:41:50
Rank: #17866 (-202)
25K → 30K
9:18/mi
28:55 split
20M
2:54:44
Rank: #17955 (-89)
30K → 20M
9:30/mi
12:54 split
21M
3:04:58
Rank: #18010 (-55)
20M → 21M
10:14/mi
10:14 split
35K· 21.75 mi
3:11:51
Rank: #18071 (-61)
21M → 35K
9:12/mi
6:53 split
23M
3:23:48
Rank: #18100 (-29)
35K → 23M
9:33/mi
11:57 split
24M
3:33:11
Rank: #18160 (-60)
23M → 24M
9:23/mi
9:23 split
40K· 24.85 mi
3:41:24
Rank: #18193 (-33)
24M → 40K
9:37/mi
8:13 split
25.2M
3:45:00
Rank: #18214 (-21)
40K → 25.2M
10:26/mi
3:36 split
Finish· 26.22 mi
3:54:41
Rank: #18315 (-101)
25.2M → Finish
9:30/mi
9:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:28
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:03:13
Pace9:24 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2525:508:1925:50
8:19
-
10K
6.21 mi11:45:2851:538:2126:03
8:23
+0:04
15K
9.32 mi12:11:571:18:228:2426:29
8:31
+0:08
20K
12.43 mi12:39:071:45:328:3027:10
8:45
+0:14
Half
13.11 mi12:45:031:51:288:305:56
8:42
-0:03
25K
15.53 mi13:06:302:12:558:3321:27
8:51
+0:09
30K
18.64 mi13:35:252:41:508:4128:55
9:18
+0:27
20M
20.00 mi13:48:192:54:448:4412:54
9:30
+0:12
21M
21.00 mi13:58:333:04:588:4810:14
10:14
+0:44
35K
21.75 mi14:05:263:11:518:496:53
9:12
-1:02
23M
23.00 mi14:17:233:23:488:5211:57
9:33
+0:21
24M
24.00 mi14:26:463:33:118:539:23
9:23
-0:10
40K
24.85 mi14:34:593:41:248:548:13
9:37
+0:14
25.2M
25.20 mi14:38:353:45:008:563:36
10:26
+0:49
Finish
26.22 mi14:48:163:54:418:579:41
9:30
-0:56

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

8:19 /mi

Average Pace

8:57 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:55

57% of race

Time at Steady Pace

1:19:43

34% of race

Time at Slower Pace

22:03

9% of race

Average Pace: 8:57 /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 mi11:19:2525:508:1925:50
8:19
#16273
10K
6.21 mi11:45:2851:538:2126:03
8:23
#16868
15K
9.32 mi12:11:571:18:228:2426:29
8:31
#17249
20K
12.43 mi12:39:071:45:328:3027:10
8:45
#17506
Half
13.11 mi12:45:031:51:288:305:56
8:42
#17586
25K
15.53 mi13:06:302:12:558:3321:27
8:51
#17664
30K
18.64 mi13:35:252:41:508:4128:55
9:18
#17866
20M
20.00 mi13:48:192:54:448:4412:54
9:30
#17955
21M
21.00 mi13:58:333:04:588:4810:14
10:14
#18010
35K
21.75 mi14:05:263:11:518:496:53
9:12
#18071
23M
23.00 mi14:17:233:23:488:5211:57
9:33
#18100
24M
24.00 mi14:26:463:33:118:539:23
9:23
#18160
40K
24.85 mi14:34:593:41:248:548:13
9:37
#18193
25.2M
25.20 mi14:38:353:45:008:563:36
10:26
#18214
Finish
26.22 mi14:48:163:54:418:579:41
9:30
#18315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi162735454545417991(Top 68%)6489(Top 57%)6489(Top 538%)
10K6.21 mi3.10 mi16868-5955825-3715825-37117497(Top 66%)6182(Top 54%)6182(Top 512%)
15K9.32 mi3.11 mi17249-3816066-2416066-24117991(Top 68%)6489(Top 57%)6489(Top 538%)
20K12.43 mi3.11 mi17506-2576220-1546220-15418388(Top 69%)6728(Top 59%)6728(Top 557%)
Half13.11 mi0.68 mi17586-806275-556275-5518956(Top 71%)7055(Top 62%)7055(Top 585%)
25K15.53 mi2.42 mi17664-786332-576332-5718222(Top 68%)6682(Top 58%)6682(Top 554%)
30K18.64 mi3.11 mi17866-2026483-1516483-15118666(Top 70%)7012(Top 61%)7012(Top 581%)
20M20.00 mi1.36 mi17955-896562-796562-7918838(Top 71%)7209(Top 63%)7209(Top 597%)
21M21.00 mi1.00 mi18010-556597-356597-3518829(Top 71%)7243(Top 63%)7243(Top 600%)
35K21.75 mi0.75 mi18071-616638-416638-4118753(Top 70%)7243(Top 63%)7243(Top 600%)
23M23.00 mi1.25 mi18100-296673-356673-3518503(Top 70%)7130(Top 62%)7130(Top 591%)
24M24.00 mi1.00 mi18160-606723-506723-5018794(Top 71%)7323(Top 64%)7323(Top 607%)
40K24.85 mi0.85 mi18193-336751-286751-2818739(Top 70%)7348(Top 64%)7348(Top 609%)
25.2M25.20 mi0.35 mi18214-216768-176768-1718925(Top 71%)7466(Top 65%)7466(Top 619%)
Finish26.22 mi1.02 mi18315-1016829-616829-6120141(Top 76%)8077(Top 71%)8077(Top 669%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17991

Females

6489

F50-54

6489

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17497

Females

6182

F50-54

6182

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17991

Females

6489

F50-54

6489

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18388

Females

6728

F50-54

6728

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18956

Females

7055

F50-54

7055

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18222

Females

6682

F50-54

6682

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18666

Females

7012

F50-54

7012

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18838

Females

7209

F50-54

7209

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18829

Females

7243

F50-54

7243

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18753

Females

7243

F50-54

7243

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18503

Females

7130

F50-54

7130

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18794

Females

7323

F50-54

7323

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18739

Females

7348

F50-54

7348

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18925

Females

7466

F50-54

7466

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20141

Females

8077

F50-54

8077

Passing Analysis

Category:
Athletes Passed
848
Passed By
2890
Net Change
-2042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16273
5K → 10K104699-595#16273#16868
10K → 15K78459-381#16868#17249
15K → 20K100357-257#17249#17506
20K → Half1696-80#17506#17586
Half → 25K90168-78#17586#17664
25K → 30K123325-202#17664#17866
30K → 20M65154-89#17866#17955
20M → 21M68123-55#17955#18010
21M → 35K3091-61#18010#18071
35K → 23M6493-29#18071#18100
23M → 24M3797-60#18100#18160
24M → 40K3871-33#18160#18193
40K → 25.2M1738-21#18193#18214
25.2M → Finish18119-101#18214#18315
TOTALS8482890-2042
📊

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