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BOSTON MARATHON 2023

Sheila Gilligan

Bib: 29237•F

MA

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
30:52
Rank: #23299
Start → 5K
30:52 | 9:56/mi
10K· 6.21 mi
1:01:40
Rank: #23453 (-154)
5K → 10K
30:48 | 9:55/mi
15K· 9.32 mi
1:32:11
Rank: #23340 (+113)
10K → 15K
30:31 | 9:49/mi
20K· 12.43 mi
2:03:17
Rank: #23255 (+85)
15K → 20K
31:06 | 10:01/mi
Half· 13.11 mi
2:10:00
Rank: #23230 (+25)
20K → Half
6:43 | 9:51/mi
25K· 15.53 mi
2:34:42
Rank: #23092 (+138)
Half → 25K
24:42 | 10:11/mi
30K· 18.64 mi
3:09:13
Rank: #23150 (-58)
25K → 30K
34:31 | 11:07/mi
20M
3:25:23
Rank: #23219 (-69)
30K → 20M
16:10 | 11:54/mi
21M
3:38:24
Rank: #23295 (-76)
20M → 21M
13:01 | 13:01/mi
35K· 21.75 mi
3:47:04
Rank: #23333 (-38)
21M → 35K
8:40 | 11:35/mi
23M
4:02:21
Rank: #23421 (-88)
35K → 23M
15:17 | 12:12/mi
24M
4:13:32
Rank: #23430 (-9)
23M → 24M
11:11 | 11:11/mi
40K· 24.85 mi
4:23:30
Rank: #23420 (+10)
24M → 40K
9:58 | 11:39/mi
25.2M
4:27:47
Rank: #23421 (-1)
40K → 25.2M
4:17 | 12:25/mi
Finish· 26.22 mi
4:38:31
Rank: #23414 (+7)
25.2M → Finish
10:44 | 10:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:00
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:28:31
Pace11:20 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2530:529:5630:52
9:56
-
10K
6.21 mi12:24:131:01:409:5530:48
9:55
-0:01
15K
9.32 mi12:54:441:32:119:5330:31
9:49
-0:06
20K
12.43 mi13:25:502:03:179:5531:06
10:01
+0:12
Half
13.11 mi13:32:332:10:009:556:43
9:51
-0:10
25K
15.53 mi13:57:152:34:429:5824:42
10:11
+0:20
30K
18.64 mi14:31:463:09:1310:0934:31
11:07
+0:56
20M
20.00 mi14:47:563:25:2310:1616:10
11:54
+0:47
21M
21.00 mi15:00:573:38:2410:2413:01
13:01
+1:07
35K
21.75 mi15:09:373:47:0410:268:40
11:35
-1:26
23M
23.00 mi15:24:544:02:2110:3215:17
12:12
+0:37
24M
24.00 mi15:36:054:13:3210:3411:11
11:11
-1:01
40K
24.85 mi15:46:034:23:3010:369:58
11:39
+0:28
25.2M
25.20 mi15:50:204:27:4710:384:17
12:25
+0:46
Finish
26.22 mi16:01:044:38:3110:3810:44
10:32
-1:53

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

9:49 /mi

Average Pace

10:38 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:26

59% of race

Time at Steady Pace

54:22

20% of race

Time at Slower Pace

58:43

21% of race

Average Pace: 10:37 /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 mi11:53:2530:529:5630:52
9:56
#23299
10K
6.21 mi12:24:131:01:409:5530:48
9:55
#23453
15K
9.32 mi12:54:441:32:119:5330:31
9:49
#23340
20K
12.43 mi13:25:502:03:179:5531:06
10:01
#23255
Half
13.11 mi13:32:332:10:009:556:43
9:51
#23230
25K
15.53 mi13:57:152:34:429:5824:42
10:11
#23092
30K
18.64 mi14:31:463:09:1310:0934:31
11:07
#23150
20M
20.00 mi14:47:563:25:2310:1616:10
11:54
#23219
21M
21.00 mi15:00:573:38:2410:2413:01
13:01
#23295
35K
21.75 mi15:09:373:47:0410:268:40
11:35
#23333
23M
23.00 mi15:24:544:02:2110:3215:17
12:12
#23421
24M
24.00 mi15:36:054:13:3210:3411:11
11:11
#23430
40K
24.85 mi15:46:034:23:3010:369:58
11:39
#23420
25.2M
25.20 mi15:50:204:27:4710:384:17
12:25
#23421
Finish
26.22 mi16:01:044:38:3110:3810:44
10:32
#23414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi232999550955023113(Top 87%)9408(Top 82%)9408(Top 779%)
10K6.21 mi3.10 mi23453-1549599-499599-4923525(Top 88%)9641(Top 84%)9641(Top 799%)
15K9.32 mi3.11 mi23340+1139525+749525+7423113(Top 87%)9408(Top 82%)9408(Top 779%)
20K12.43 mi3.11 mi23255+859486+399486+3922948(Top 86%)9333(Top 82%)9333(Top 773%)
Half13.11 mi0.68 mi23230+259474+129474+1222993(Top 86%)9352(Top 82%)9352(Top 775%)
25K15.53 mi2.42 mi23092+1389407+679407+6722593(Top 85%)9172(Top 80%)9172(Top 760%)
30K18.64 mi3.11 mi23150-589463-569463-5623261(Top 87%)9603(Top 84%)9603(Top 796%)
20M20.00 mi1.36 mi23219-699511-489511-4824073(Top 90%)10119(Top 89%)10119(Top 838%)
21M21.00 mi1.00 mi23295-769551-409551-4024101(Top 91%)10145(Top 89%)10145(Top 841%)
35K21.75 mi0.75 mi23333-389584-339584-3324219(Top 91%)10237(Top 90%)10237(Top 848%)
23M23.00 mi1.25 mi23421-889640-569640-5624256(Top 91%)10265(Top 90%)10265(Top 850%)
24M24.00 mi1.00 mi23430-99655-159655-1523384(Top 88%)9839(Top 86%)9839(Top 815%)
40K24.85 mi0.85 mi23420+109656-19656-123457(Top 88%)9913(Top 87%)9913(Top 821%)
25.2M25.20 mi0.35 mi23421-19662-69662-623183(Top 87%)9760(Top 85%)9760(Top 809%)
Finish26.22 mi1.02 mi23414+79670-89670-823078(Top 87%)9687(Top 85%)9687(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23113

Females

9408

F50-54

9408

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23525

Females

9641

F50-54

9641

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23113

Females

9408

F50-54

9408

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22948

Females

9333

F50-54

9333

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22993

Females

9352

F50-54

9352

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22593

Females

9172

F50-54

9172

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23261

Females

9603

F50-54

9603

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24073

Females

10119

F50-54

10119

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24101

Females

10145

F50-54

10145

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24219

Females

10237

F50-54

10237

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24256

Females

10265

F50-54

10265

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23384

Females

9839

F50-54

9839

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23457

Females

9913

F50-54

9913

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23183

Females

9760

F50-54

9760

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23078

Females

9687

F50-54

9687

Passing Analysis

Category:
Athletes Passed
1047
Passed By
1162
Net Change
-115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23299
5K → 10K143297-154#23299#23453
10K → 15K19582+113#23453#23340
15K → 20K16277+85#23340#23255
20K → Half4520+25#23255#23230
Half → 25K17840+138#23230#23092
25K → 30K99157-58#23092#23150
30K → 20M37106-69#23150#23219
20M → 21M2096-76#23219#23295
21M → 35K2058-38#23295#23333
35K → 23M25113-88#23333#23421
23M → 24M2938-9#23421#23430
24M → 40K4333+10#23430#23420
40K → 25.2M1415-1#23420#23421
25.2M → Finish3730+7#23421#23414
TOTALS10471162-115
📊

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