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BOSTON MARATHON 2023

Heather Glynn

Bib: 20237•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F40-44)
#0 / 1878
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #14964
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:35
Rank: #15396 (-432)
5K → 10K
25:19 | 8:09/mi
15K· 9.32 mi
1:16:05
Rank: #15571 (-175)
10K → 15K
25:30 | 8:12/mi
20K· 12.43 mi
1:41:47
Rank: #15511 (+60)
15K → 20K
25:42 | 8:16/mi
Half· 13.11 mi
1:47:25
Rank: #15538 (-27)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:07:35
Rank: #15440 (+98)
Half → 25K
20:10 | 8:19/mi
30K· 18.64 mi
2:34:07
Rank: #15241 (+199)
25K → 30K
26:32 | 8:32/mi
20M
2:45:47
Rank: #15158 (+83)
30K → 20M
11:40 | 8:35/mi
21M
2:54:51
Rank: #15065 (+93)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
3:00:59
Rank: #15000 (+65)
21M → 35K
6:08 | 8:12/mi
23M
3:11:42
Rank: #14897 (+103)
35K → 23M
10:43 | 8:34/mi
24M
3:19:50
Rank: #14750 (+147)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:27:16
Rank: #14710 (+40)
24M → 40K
7:26 | 8:42/mi
25.2M
3:30:16
Rank: #14650 (+60)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:38:28
Rank: #14552 (+98)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:25
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:51:03
Pace8:28 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4025:168:0825:16
8:08
-
10K
6.21 mi11:42:5950:358:0825:19
8:09
+0:01
15K
9.32 mi12:08:291:16:058:1025:30
8:12
+0:03
20K
12.43 mi12:34:111:41:478:1125:42
8:16
+0:04
Half
13.11 mi12:39:491:47:258:125:38
8:15
-0:01
25K
15.53 mi12:59:592:07:358:1320:10
8:19
+0:04
30K
18.64 mi13:26:312:34:078:1626:32
8:32
+0:13
20M
20.00 mi13:38:112:45:478:1711:40
8:35
+0:03
21M
21.00 mi13:47:152:54:518:209:04
9:04
+0:29
35K
21.75 mi13:53:233:00:598:196:08
8:12
-0:52
23M
23.00 mi14:04:063:11:428:2010:43
8:34
+0:22
24M
24.00 mi14:12:143:19:508:208:08
8:08
-0:26
40K
24.85 mi14:19:403:27:168:207:26
8:42
+0:34
25.2M
25.20 mi14:22:403:30:168:213:00
8:42
0:00
Finish
26.22 mi14:30:523:38:288:208:12
8:03
-0:39

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

8:03 /mi

Average Pace

8:20 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:24

96% of race

Time at Steady Pace

9:04

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:17:4025:168:0825:16
8:08
#14964
10K
6.21 mi11:42:5950:358:0825:19
8:09
#15396
15K
9.32 mi12:08:291:16:058:1025:30
8:12
#15571
20K
12.43 mi12:34:111:41:478:1125:42
8:16
#15511
Half
13.11 mi12:39:491:47:258:125:38
8:15
#15538
25K
15.53 mi12:59:592:07:358:1320:10
8:19
#15440
30K
18.64 mi13:26:312:34:078:1626:32
8:32
#15241
20M
20.00 mi13:38:112:45:478:1711:40
8:35
#15158
21M
21.00 mi13:47:152:54:518:209:04
9:04
#15065
35K
21.75 mi13:53:233:00:598:196:08
8:12
#15000
23M
23.00 mi14:04:063:11:428:2010:43
8:34
#14897
24M
24.00 mi14:12:143:19:508:208:08
8:08
#14750
40K
24.85 mi14:19:403:27:168:207:26
8:42
#14710
25.2M
25.20 mi14:22:403:30:168:213:00
8:42
#14650
Finish
26.22 mi14:30:523:38:288:208:12
8:03
#14552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi149644617461715918(Top 60%)5244(Top 46%)5244(Top 279%)
10K6.21 mi3.10 mi15396-4324899-2824899-28215893(Top 60%)5202(Top 46%)5202(Top 277%)
15K9.32 mi3.11 mi15571-1755021-1225021-12215918(Top 60%)5244(Top 46%)5244(Top 279%)
20K12.43 mi3.11 mi15511+604998+234998+2315435(Top 58%)4987(Top 44%)4987(Top 266%)
Half13.11 mi0.68 mi15538-275020-225020-2216209(Top 61%)5410(Top 47%)5410(Top 288%)
25K15.53 mi2.42 mi15440+984990+304990+3015069(Top 57%)4885(Top 43%)4885(Top 260%)
30K18.64 mi3.11 mi15241+1994906+844906+8414554(Top 55%)4658(Top 41%)4658(Top 248%)
20M20.00 mi1.36 mi15158+834875+314875+3114188(Top 53%)4530(Top 40%)4530(Top 241%)
21M21.00 mi1.00 mi15065+934838+374838+3713815(Top 52%)4393(Top 38%)4393(Top 234%)
35K21.75 mi0.75 mi15000+654814+244814+2413476(Top 51%)4275(Top 37%)4275(Top 228%)
23M23.00 mi1.25 mi14897+1034769+454769+4513605(Top 51%)4400(Top 39%)4400(Top 234%)
24M24.00 mi1.00 mi14750+1474711+584711+5812181(Top 46%)3692(Top 32%)3692(Top 197%)
40K24.85 mi0.85 mi14710+404705+64705+614488(Top 54%)5018(Top 44%)5018(Top 267%)
25.2M25.20 mi0.35 mi14650+604683+224683+2210868(Top 41%)3142(Top 28%)3142(Top 167%)
Finish26.22 mi1.02 mi14552+984630+534630+5312479(Top 47%)3956(Top 35%)3956(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15918

Females

5244

F40-44

5244

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15893

Females

5202

F40-44

5202

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15918

Females

5244

F40-44

5244

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15435

Females

4987

F40-44

4987

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16209

Females

5410

F40-44

5410

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15069

Females

4885

F40-44

4885

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14554

Females

4658

F40-44

4658

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14188

Females

4530

F40-44

4530

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13815

Females

4393

F40-44

4393

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13476

Females

4275

F40-44

4275

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13605

Females

4400

F40-44

4400

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12181

Females

3692

F40-44

3692

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14488

Females

5018

F40-44

5018

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10868

Females

3142

F40-44

3142

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12479

Females

3956

F40-44

3956

Passing Analysis

Category:
Athletes Passed
1824
Passed By
1412
Net Change
+412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14964
5K → 10K136568-432#14964#15396
10K → 15K118293-175#15396#15571
15K → 20K198138+60#15571#15511
20K → Half1643-27#15511#15538
Half → 25K18789+98#15538#15440
25K → 30K28283+199#15440#15241
30K → 20M12946+83#15241#15158
20M → 21M13340+93#15158#15065
21M → 35K8217+65#15065#15000
35K → 23M13027+103#15000#14897
23M → 24M1525+147#14897#14750
24M → 40K8242+40#14750#14710
40K → 25.2M600+60#14710#14650
25.2M → Finish11921+98#14650#14552
TOTALS18241412+412
📊

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