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BOSTON MARATHON 2023

Meghan Flaherty

Bib: 29565•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
27:39
Rank: #19999
Start → 5K
27:39 | 8:54/mi
10K· 6.21 mi
55:31
Rank: #20375 (-376)
5K → 10K
27:52 | 8:58/mi
15K· 9.32 mi
1:23:33
Rank: #20408 (-33)
10K → 15K
28:02 | 9:01/mi
20K· 12.43 mi
1:51:47
Rank: #20337 (+71)
15K → 20K
28:14 | 9:05/mi
Half· 13.11 mi
1:58:02
Rank: #20383 (-46)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:20:33
Rank: #20351 (+32)
Half → 25K
22:31 | 9:17/mi
30K· 18.64 mi
2:50:22
Rank: #20234 (+117)
25K → 30K
29:49 | 9:36/mi
20M
3:04:16
Rank: #20300 (-66)
30K → 20M
13:54 | 10:14/mi
21M
3:14:21
Rank: #20172 (+128)
20M → 21M
10:05 | 10:05/mi
35K· 21.75 mi
3:21:33
Rank: #20169 (+3)
21M → 35K
7:12 | 9:37/mi
23M
3:34:21
Rank: #20199 (-30)
35K → 23M
12:48 | 10:13/mi
24M
3:44:07
Rank: #20200 (-1)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
3:52:47
Rank: #20203 (-3)
24M → 40K
8:40 | 10:08/mi
25.2M
3:56:24
Rank: #20179 (+24)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:05:50
Rank: #20132 (+47)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:02
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:07:48
Pace9:45 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1927:398:5427:39
8:54
-
10K
6.21 mi12:15:1155:318:5627:52
8:58
+0:04
15K
9.32 mi12:43:131:23:338:5828:02
9:01
+0:03
20K
12.43 mi13:11:271:51:479:0028:14
9:05
+0:04
Half
13.11 mi13:17:421:58:029:006:15
9:10
+0:05
25K
15.53 mi13:40:132:20:339:0322:31
9:17
+0:07
30K
18.64 mi14:10:022:50:229:0829:49
9:36
+0:19
20M
20.00 mi14:23:563:04:169:1313:54
10:14
+0:38
21M
21.00 mi14:34:013:14:219:1510:05
10:05
-0:09
35K
21.75 mi14:41:133:21:339:167:12
9:37
-0:28
23M
23.00 mi14:54:013:34:219:1912:48
10:13
+0:36
24M
24.00 mi15:03:473:44:079:209:46
9:46
-0:27
40K
24.85 mi15:12:273:52:479:228:40
10:08
+0:22
25.2M
25.20 mi15:16:043:56:249:233:37
10:29
+0:21
Finish
26.22 mi15:25:304:05:509:239:26
9:15
-1:14

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

8:54 /mi

Average Pace

9:23 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:46

80% of race

Time at Steady Pace

49:04

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:23 /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 mi11:47:1927:398:5427:39
8:54
#19999
10K
6.21 mi12:15:1155:318:5627:52
8:58
#20375
15K
9.32 mi12:43:131:23:338:5828:02
9:01
#20408
20K
12.43 mi13:11:271:51:479:0028:14
9:05
#20337
Half
13.11 mi13:17:421:58:029:006:15
9:10
#20383
25K
15.53 mi13:40:132:20:339:0322:31
9:17
#20351
30K
18.64 mi14:10:022:50:229:0829:49
9:36
#20234
20M
20.00 mi14:23:563:04:169:1313:54
10:14
#20300
21M
21.00 mi14:34:013:14:219:1510:05
10:05
#20172
35K
21.75 mi14:41:133:21:339:167:12
9:37
#20169
23M
23.00 mi14:54:013:34:219:1912:48
10:13
#20199
24M
24.00 mi15:03:473:44:079:209:46
9:46
#20200
40K
24.85 mi15:12:273:52:479:228:40
10:08
#20203
25.2M
25.20 mi15:16:043:56:249:233:37
10:29
#20179
Finish
26.22 mi15:25:304:05:509:239:26
9:15
#20132
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199997819781920612(Top 77%)8018(Top 70%)8018(Top 164%)
10K6.21 mi3.10 mi20375-3767967-1487967-14820756(Top 78%)8123(Top 71%)8123(Top 166%)
15K9.32 mi3.11 mi20408-337964+37964+320612(Top 77%)8018(Top 70%)8018(Top 164%)
20K12.43 mi3.11 mi20337+717911+537911+5320099(Top 75%)7728(Top 68%)7728(Top 158%)
Half13.11 mi0.68 mi20383-467933-227933-2221047(Top 79%)8271(Top 72%)8271(Top 169%)
25K15.53 mi2.42 mi20351+327905+287905+2820165(Top 76%)7790(Top 68%)7790(Top 160%)
30K18.64 mi3.11 mi20234+1177862+437862+4319785(Top 74%)7642(Top 67%)7642(Top 156%)
20M20.00 mi1.36 mi20300-667915-537915-5321095(Top 79%)8463(Top 74%)8463(Top 173%)
21M21.00 mi1.00 mi20172+1287851+647851+6418356(Top 69%)6975(Top 61%)6975(Top 143%)
35K21.75 mi0.75 mi20169+37858-77858-720235(Top 76%)8073(Top 71%)8073(Top 165%)
23M23.00 mi1.25 mi20199-307879-217879-2120643(Top 78%)8316(Top 73%)8316(Top 170%)
24M24.00 mi1.00 mi20200-17892-137892-1320122(Top 76%)8040(Top 70%)8040(Top 165%)
40K24.85 mi0.85 mi20203-37907-157907-1520343(Top 76%)8248(Top 72%)8248(Top 169%)
25.2M25.20 mi0.35 mi20179+247898+97898+919110(Top 72%)7571(Top 66%)7571(Top 155%)
Finish26.22 mi1.02 mi20132+477882+167882+1619206(Top 72%)7560(Top 66%)7560(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20612

Females

8018

F18-39

8018

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20756

Females

8123

F18-39

8123

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20612

Females

8018

F18-39

8018

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

20099

Females

7728

F18-39

7728

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21047

Females

8271

F18-39

8271

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20165

Females

7790

F18-39

7790

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19785

Females

7642

F18-39

7642

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21095

Females

8463

F18-39

8463

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18356

Females

6975

F18-39

6975

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20235

Females

8073

F18-39

8073

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20643

Females

8316

F18-39

8316

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20122

Females

8040

F18-39

8040

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20343

Females

8248

F18-39

8248

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19110

Females

7571

F18-39

7571

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19206

Females

7560

F18-39

7560

Passing Analysis

Category:
Athletes Passed
1361
Passed By
1494
Net Change
-133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19999
5K → 10K142518-376#19999#20375
10K → 15K167200-33#20375#20408
15K → 20K203132+71#20408#20337
20K → Half1359-46#20337#20383
Half → 25K12997+32#20383#20351
25K → 30K20790+117#20351#20234
30K → 20M58124-66#20234#20300
20M → 21M15224+128#20300#20172
21M → 35K3936+3#20172#20169
35K → 23M6595-30#20169#20199
23M → 24M5051-1#20199#20200
24M → 40K3942-3#20200#20203
40K → 25.2M328+24#20203#20179
25.2M → Finish6518+47#20179#20132
TOTALS13611494-133
📊

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