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BOSTON MARATHON 2023

Carolyn Hoffmann

Bib: 23339•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:55
Rank: #20387
Start → 5K
27:55 | 8:59/mi
10K· 6.21 mi
56:12
Rank: #20828 (-441)
5K → 10K
28:17 | 9:06/mi
15K· 9.32 mi
1:24:58
Rank: #21102 (-274)
10K → 15K
28:46 | 9:16/mi
20K· 12.43 mi
1:54:22
Rank: #21196 (-94)
15K → 20K
29:24 | 9:28/mi
Half· 13.11 mi
2:00:48
Rank: #21230 (-34)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:24:45
Rank: #21340 (-110)
Half → 25K
23:57 | 9:53/mi
30K· 18.64 mi
2:56:49
Rank: #21436 (-96)
25K → 30K
32:04 | 10:19/mi
20M
3:10:56
Rank: #21446 (-10)
30K → 20M
14:07 | 10:23/mi
21M
3:22:06
Rank: #21418 (+28)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:29:43
Rank: #21436 (-18)
21M → 35K
7:37 | 10:11/mi
23M
3:42:47
Rank: #21408 (+28)
35K → 23M
13:04 | 10:26/mi
24M
3:52:51
Rank: #21379 (+29)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
4:01:36
Rank: #21344 (+35)
24M → 40K
8:45 | 10:14/mi
25.2M
4:05:37
Rank: #21346 (-2)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:16:20
Rank: #21442 (-96)
25.2M → Finish
10:43 | 10:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:48
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:15:32
Pace10:20 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4727:558:5927:55
8:59
-
10K
6.21 mi11:53:0456:129:0328:17
9:06
+0:07
15K
9.32 mi12:21:501:24:589:0728:46
9:16
+0:10
20K
12.43 mi12:51:141:54:229:1229:24
9:28
+0:12
Half
13.11 mi12:57:402:00:489:136:26
9:26
-0:02
25K
15.53 mi13:21:372:24:459:1923:57
9:53
+0:27
30K
18.64 mi13:53:412:56:499:2932:04
10:19
+0:26
20M
20.00 mi14:07:483:10:569:3314:07
10:23
+0:04
21M
21.00 mi14:18:583:22:069:3711:10
11:10
+0:47
35K
21.75 mi14:26:353:29:439:397:37
10:11
-0:59
23M
23.00 mi14:39:393:42:479:4113:04
10:26
+0:15
24M
24.00 mi14:49:433:52:519:4210:04
10:04
-0:22
40K
24.85 mi14:58:284:01:369:438:45
10:14
+0:10
25.2M
25.20 mi15:02:294:05:379:454:01
11:39
+1:25
Finish
26.22 mi15:13:124:16:209:4710:43
10:31
-1:08

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

8:59 /mi

Average Pace

9:47 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:48

47% of race

Time at Steady Pace

2:00:21

47% of race

Time at Slower Pace

15:11

6% of race

Average Pace: 9:47 /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 mi11:24:4727:558:5927:55
8:59
#20387
10K
6.21 mi11:53:0456:129:0328:17
9:06
#20828
15K
9.32 mi12:21:501:24:589:0728:46
9:16
#21102
20K
12.43 mi12:51:141:54:229:1229:24
9:28
#21196
Half
13.11 mi12:57:402:00:489:136:26
9:26
#21230
25K
15.53 mi13:21:372:24:459:1923:57
9:53
#21340
30K
18.64 mi13:53:412:56:499:2932:04
10:19
#21436
20M
20.00 mi14:07:483:10:569:3314:07
10:23
#21446
21M
21.00 mi14:18:583:22:069:3711:10
11:10
#21418
35K
21.75 mi14:26:353:29:439:397:37
10:11
#21436
23M
23.00 mi14:39:393:42:479:4113:04
10:26
#21408
24M
24.00 mi14:49:433:52:519:4210:04
10:04
#21379
40K
24.85 mi14:58:284:01:369:438:45
10:14
#21344
25.2M
25.20 mi15:02:294:05:379:454:01
11:39
#21346
Finish
26.22 mi15:13:124:16:209:4710:43
10:31
#21442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi203878048804821510(Top 81%)8505(Top 74%)8505(Top 1044%)
10K6.21 mi3.10 mi20828-4418221-1738221-17321297(Top 80%)8441(Top 74%)8441(Top 1036%)
15K9.32 mi3.11 mi21102-2748340-1198340-11921510(Top 81%)8505(Top 74%)8505(Top 1044%)
20K12.43 mi3.11 mi21196-948379-398379-3921445(Top 81%)8495(Top 74%)8495(Top 1042%)
Half13.11 mi0.68 mi21230-348390-118390-1121928(Top 82%)8743(Top 77%)8743(Top 1073%)
25K15.53 mi2.42 mi21340-1108454-648454-6421926(Top 82%)8795(Top 77%)8795(Top 1079%)
30K18.64 mi3.11 mi21436-968522-688522-6821827(Top 82%)8804(Top 77%)8804(Top 1080%)
20M20.00 mi1.36 mi21446-108537-158537-1521508(Top 81%)8703(Top 76%)8703(Top 1068%)
21M21.00 mi1.00 mi21418+288535+28535+221202(Top 80%)8574(Top 75%)8574(Top 1052%)
35K21.75 mi0.75 mi21436-188553-188553-1821746(Top 82%)8900(Top 78%)8900(Top 1092%)
23M23.00 mi1.25 mi21408+288551+28551+221171(Top 80%)8614(Top 75%)8614(Top 1057%)
24M24.00 mi1.00 mi21379+298547+48547+420988(Top 79%)8539(Top 75%)8539(Top 1048%)
40K24.85 mi0.85 mi21344+358537+108537+1020594(Top 77%)8379(Top 73%)8379(Top 1028%)
25.2M25.20 mi0.35 mi21346-28546-98546-921876(Top 82%)9060(Top 79%)9060(Top 1112%)
Finish26.22 mi1.02 mi21442-968610-648610-6423035(Top 87%)9661(Top 85%)9661(Top 1185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21510

Females

8505

F55-59

8505

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21297

Females

8441

F55-59

8441

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21510

Females

8505

F55-59

8505

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21445

Females

8495

F55-59

8495

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21928

Females

8743

F55-59

8743

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21926

Females

8795

F55-59

8795

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21827

Females

8804

F55-59

8804

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21508

Females

8703

F55-59

8703

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21202

Females

8574

F55-59

8574

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21746

Females

8900

F55-59

8900

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21171

Females

8614

F55-59

8614

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20988

Females

8539

F55-59

8539

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20594

Females

8379

F55-59

8379

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21876

Females

9060

F55-59

9060

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23035

Females

9661

F55-59

9661

Passing Analysis

Category:
Athletes Passed
897
Passed By
1952
Net Change
-1055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20387
5K → 10K121562-441#20387#20828
10K → 15K75349-274#20828#21102
15K → 20K108202-94#21102#21196
20K → Half1145-34#21196#21230
Half → 25K74184-110#21230#21340
25K → 30K92188-96#21340#21436
30K → 20M7181-10#21436#21446
20M → 21M7648+28#21446#21418
21M → 35K2947-18#21418#21436
35K → 23M7648+28#21436#21408
23M → 24M6031+29#21408#21379
24M → 40K6126+35#21379#21344
40K → 25.2M2729-2#21344#21346
25.2M → Finish16112-96#21346#21442
TOTALS8971952-1055
📊

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