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BOSTON MARATHON 2023

Marianne Heer

Bib: 21699•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F55-59)
#0 / 815
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:07
Rank: #16941
Start → 5K
26:07 | 8:24/mi
10K· 6.21 mi
51:55
Rank: #16900 (+41)
5K → 10K
25:48 | 8:18/mi
15K· 9.32 mi
1:18:11
Rank: #17124 (-224)
10K → 15K
26:16 | 8:27/mi
20K· 12.43 mi
1:44:42
Rank: #17106 (+18)
15K → 20K
26:31 | 8:32/mi
Half· 13.11 mi
1:50:23
Rank: #17087 (+19)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:12:35
Rank: #17543 (-456)
Half → 25K
22:12 | 9:09/mi
30K· 18.64 mi
2:41:34
Rank: #17759 (-216)
25K → 30K
28:59 | 9:20/mi
20M
2:53:54
Rank: #17703 (+56)
30K → 20M
12:20 | 9:05/mi
21M
3:04:01
Rank: #17753 (-50)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:10:50
Rank: #17783 (-30)
21M → 35K
6:49 | 9:07/mi
23M
3:22:15
Rank: #17725 (+58)
35K → 23M
11:25 | 9:07/mi
24M
3:31:08
Rank: #17692 (+33)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:38:46
Rank: #17632 (+60)
24M → 40K
7:38 | 8:56/mi
25.2M
3:42:06
Rank: #17601 (+31)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:51:12
Rank: #17607 (-6)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:00:49
Pace9:13 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1826:078:2426:07
8:24
-
10K
6.21 mi11:45:0651:558:2125:48
8:18
-0:06
15K
9.32 mi12:11:221:18:118:2326:16
8:27
+0:09
20K
12.43 mi12:37:531:44:428:2526:31
8:32
+0:05
Half
13.11 mi12:43:341:50:238:255:41
8:20
-0:12
25K
15.53 mi13:05:462:12:358:3222:12
9:09
+0:49
30K
18.64 mi13:34:452:41:348:4028:59
9:20
+0:11
20M
20.00 mi13:47:052:53:548:4212:20
9:05
-0:15
21M
21.00 mi13:57:123:04:018:4610:07
10:07
+1:02
35K
21.75 mi14:04:013:10:508:466:49
9:07
-1:00
23M
23.00 mi14:15:263:22:158:4811:25
9:07
0:00
24M
24.00 mi14:24:193:31:088:488:53
8:53
-0:14
40K
24.85 mi14:31:573:38:468:487:38
8:56
+0:03
25.2M
25.20 mi14:35:173:42:068:493:20
9:40
+0:44
Finish
26.22 mi14:44:233:51:128:499:06
8:56
-0:44

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

8:18 /mi

Average Pace

8:49 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:23

48% of race

Time at Steady Pace

1:18:23

34% of race

Time at Slower Pace

42:26

18% of race

Average Pace: 8:49 /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 mi11:19:1826:078:2426:07
8:24
#16941
10K
6.21 mi11:45:0651:558:2125:48
8:18
#16900
15K
9.32 mi12:11:221:18:118:2326:16
8:27
#17124
20K
12.43 mi12:37:531:44:428:2526:31
8:32
#17106
Half
13.11 mi12:43:341:50:238:255:41
8:20
#17087
25K
15.53 mi13:05:462:12:358:3222:12
9:09
#17543
30K
18.64 mi13:34:452:41:348:4028:59
9:20
#17759
20M
20.00 mi13:47:052:53:548:4212:20
9:05
#17703
21M
21.00 mi13:57:123:04:018:4610:07
10:07
#17753
35K
21.75 mi14:04:013:10:508:466:49
9:07
#17783
23M
23.00 mi14:15:263:22:158:4811:25
9:07
#17725
24M
24.00 mi14:24:193:31:088:488:53
8:53
#17692
40K
24.85 mi14:31:573:38:468:487:38
8:56
#17632
25.2M
25.20 mi14:35:173:42:068:493:20
9:40
#17601
Finish
26.22 mi14:44:233:51:128:499:06
8:56
#17607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi169415891589117514(Top 66%)6224(Top 54%)6224(Top 764%)
10K6.21 mi3.10 mi16900+415844+475844+4716971(Top 64%)5861(Top 51%)5861(Top 719%)
15K9.32 mi3.11 mi17124-2245985-1415985-14117514(Top 66%)6224(Top 54%)6224(Top 764%)
20K12.43 mi3.11 mi17106+185992-75992-717098(Top 64%)5987(Top 52%)5987(Top 735%)
Half13.11 mi0.68 mi17087+195985+75985+716740(Top 63%)5751(Top 50%)5751(Top 706%)
25K15.53 mi2.42 mi17543-4566259-2746259-27419646(Top 74%)7494(Top 66%)7494(Top 920%)
30K18.64 mi3.11 mi17759-2166411-1526411-15218747(Top 70%)7053(Top 62%)7053(Top 865%)
20M20.00 mi1.36 mi17703+566399+126399+1216948(Top 64%)6128(Top 54%)6128(Top 752%)
21M21.00 mi1.00 mi17753-506442-436442-4318461(Top 69%)7029(Top 62%)7029(Top 862%)
35K21.75 mi0.75 mi17783-306471-296471-2918395(Top 69%)7045(Top 62%)7045(Top 864%)
23M23.00 mi1.25 mi17725+586457+146457+1416650(Top 63%)6113(Top 54%)6113(Top 750%)
24M24.00 mi1.00 mi17692+336446+116446+1116710(Top 63%)6204(Top 54%)6204(Top 761%)
40K24.85 mi0.85 mi17632+606421+256421+2515806(Top 59%)5750(Top 50%)5750(Top 706%)
25.2M25.20 mi0.35 mi17601+316413+86413+816025(Top 60%)5889(Top 52%)5889(Top 723%)
Finish26.22 mi1.02 mi17607-66421-86421-817643(Top 66%)6728(Top 59%)6728(Top 826%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17514

Females

6224

F55-59

6224

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

16971

Females

5861

F55-59

5861

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17514

Females

6224

F55-59

6224

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17098

Females

5987

F55-59

5987

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16740

Females

5751

F55-59

5751

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19646

Females

7494

F55-59

7494

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18747

Females

7053

F55-59

7053

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16948

Females

6128

F55-59

6128

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18461

Females

7029

F55-59

7029

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18395

Females

7045

F55-59

7045

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16650

Females

6113

F55-59

6113

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16710

Females

6204

F55-59

6204

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15806

Females

5750

F55-59

5750

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16025

Females

5889

F55-59

5889

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17643

Females

6728

F55-59

6728

Passing Analysis

Category:
Athletes Passed
1423
Passed By
2089
Net Change
-666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16941
5K → 10K324283+41#16941#16900
10K → 15K111335-224#16900#17124
15K → 20K188170+18#17124#17106
20K → Half4021+19#17106#17087
Half → 25K45501-456#17087#17543
25K → 30K105321-216#17543#17759
30K → 20M11357+56#17759#17703
20M → 21M68118-50#17703#17753
21M → 35K4373-30#17753#17783
35K → 23M11254+58#17783#17725
23M → 24M7744+33#17725#17692
24M → 40K8929+60#17692#17632
40K → 25.2M4514+31#17632#17601
25.2M → Finish6369-6#17601#17607
TOTALS14232089-666
📊

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