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BOSTON MARATHON 2023

Kimberly Petersen

Bib: 19440•F

NE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 36%
Division (F55-59)
#0 / 815
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14808
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
49:52
Rank: #14565 (+243)
5K → 10K
24:40 | 7:56/mi
15K· 9.32 mi
1:14:55
Rank: #14646 (-81)
10K → 15K
25:03 | 8:04/mi
20K· 12.43 mi
1:40:36
Rank: #14832 (-186)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:46:11
Rank: #14884 (-52)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:06:38
Rank: #15007 (-123)
Half → 25K
20:27 | 8:26/mi
30K· 18.64 mi
2:33:48
Rank: #15132 (-125)
25K → 30K
27:10 | 8:45/mi
20M
2:46:17
Rank: #15325 (-193)
30K → 20M
12:29 | 9:11/mi
21M
2:56:06
Rank: #15430 (-105)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:02:40
Rank: #15493 (-63)
21M → 35K
6:34 | 8:47/mi
23M
3:14:14
Rank: #15591 (-98)
35K → 23M
11:34 | 9:14/mi
24M
3:23:13
Rank: #15655 (-64)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:30:59
Rank: #15695 (-40)
24M → 40K
7:46 | 9:05/mi
25.2M
3:34:21
Rank: #15714 (-19)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:43:14
Rank: #15727 (-13)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:57:03
Pace8:56 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5525:128:0725:12
8:07
-
10K
6.21 mi11:41:3549:528:0224:40
7:56
-0:11
15K
9.32 mi12:06:381:14:558:0225:03
8:04
+0:08
20K
12.43 mi12:32:191:40:368:0625:41
8:16
+0:12
Half
13.11 mi12:37:541:46:118:065:35
8:11
-0:05
25K
15.53 mi12:58:212:06:388:0920:27
8:26
+0:15
30K
18.64 mi13:25:312:33:488:1527:10
8:45
+0:19
20M
20.00 mi13:38:002:46:178:1912:29
9:11
+0:26
21M
21.00 mi13:47:492:56:068:239:49
9:49
+0:38
35K
21.75 mi13:54:233:02:408:246:34
8:47
-1:02
23M
23.00 mi14:05:573:14:148:2711:34
9:14
+0:27
24M
24.00 mi14:14:563:23:138:288:59
8:59
-0:15
40K
24.85 mi14:22:423:30:598:297:46
9:05
+0:06
25.2M
25.20 mi14:26:043:34:218:303:22
9:46
+0:41
Finish
26.22 mi14:34:573:43:148:318:53
8:43
-1:03

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

7:56 /mi

Average Pace

8:31 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:38

57% of race

Time at Steady Pace

51:36

23% of race

Time at Slower Pace

45:00

20% of race

Average Pace: 8:31 /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 mi11:16:5525:128:0725:12
8:07
#14808
10K
6.21 mi11:41:3549:528:0224:40
7:56
#14565
15K
9.32 mi12:06:381:14:558:0225:03
8:04
#14646
20K
12.43 mi12:32:191:40:368:0625:41
8:16
#14832
Half
13.11 mi12:37:541:46:118:065:35
8:11
#14884
25K
15.53 mi12:58:212:06:388:0920:27
8:26
#15007
30K
18.64 mi13:25:312:33:488:1527:10
8:45
#15132
20M
20.00 mi13:38:002:46:178:1912:29
9:11
#15325
21M
21.00 mi13:47:492:56:068:239:49
9:49
#15430
35K
21.75 mi13:54:233:02:408:246:34
8:47
#15493
23M
23.00 mi14:05:573:14:148:2711:34
9:14
#15591
24M
24.00 mi14:14:563:23:138:288:59
8:59
#15655
40K
24.85 mi14:22:423:30:598:297:46
9:05
#15695
25.2M
25.20 mi14:26:043:34:218:303:22
9:46
#15714
Finish
26.22 mi14:34:573:43:148:318:53
8:43
#15727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi148084522452214927(Top 56%)4640(Top 41%)4640(Top 569%)
10K6.21 mi3.10 mi14565+2434384+1384384+13814345(Top 54%)4267(Top 37%)4267(Top 524%)
15K9.32 mi3.11 mi14646-814444-604444-6014927(Top 56%)4640(Top 41%)4640(Top 569%)
20K12.43 mi3.11 mi14832-1864576-1324576-13215411(Top 58%)4975(Top 44%)4975(Top 610%)
Half13.11 mi0.68 mi14884-524615-394615-3915753(Top 59%)5159(Top 45%)5159(Top 633%)
25K15.53 mi2.42 mi15007-1234715-1004715-10015820(Top 59%)5330(Top 47%)5330(Top 654%)
30K18.64 mi3.11 mi15132-1254845-1304845-13015751(Top 59%)5353(Top 47%)5353(Top 657%)
20M20.00 mi1.36 mi15325-1934979-1344979-13417485(Top 66%)6438(Top 56%)6438(Top 790%)
21M21.00 mi1.00 mi15430-1055078-995078-9917326(Top 65%)6383(Top 56%)6383(Top 783%)
35K21.75 mi0.75 mi15493-635127-495127-4916845(Top 63%)6189(Top 54%)6189(Top 759%)
23M23.00 mi1.25 mi15591-985220-935220-9317248(Top 65%)6424(Top 56%)6424(Top 788%)
24M24.00 mi1.00 mi15655-645274-545274-5417163(Top 64%)6442(Top 56%)6442(Top 790%)
40K24.85 mi0.85 mi15695-405302-285302-2816571(Top 62%)6161(Top 54%)6161(Top 756%)
25.2M25.20 mi0.35 mi15714-195310-85310-816404(Top 62%)6098(Top 53%)6098(Top 748%)
Finish26.22 mi1.02 mi15727-135328-185328-1816587(Top 62%)6141(Top 54%)6141(Top 753%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14927

Females

4640

F55-59

4640

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14345

Females

4267

F55-59

4267

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14927

Females

4640

F55-59

4640

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15411

Females

4975

F55-59

4975

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15753

Females

5159

F55-59

5159

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15820

Females

5330

F55-59

5330

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15751

Females

5353

F55-59

5353

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17485

Females

6438

F55-59

6438

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17326

Females

6383

F55-59

6383

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16845

Females

6189

F55-59

6189

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17248

Females

6424

F55-59

6424

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17163

Females

6442

F55-59

6442

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16571

Females

6161

F55-59

6161

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16404

Females

6098

F55-59

6098

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16587

Females

6141

F55-59

6141

Passing Analysis

Category:
Athletes Passed
1323
Passed By
2242
Net Change
-919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14808
5K → 10K422179+243#14808#14565
10K → 15K165246-81#14565#14646
15K → 20K129315-186#14646#14832
20K → Half1668-52#14832#14884
Half → 25K104227-123#14884#15007
25K → 30K135260-125#15007#15132
30K → 20M35228-193#15132#15325
20M → 21M57162-105#15325#15430
21M → 35K3194-63#15430#15493
35K → 23M56154-98#15493#15591
23M → 24M49113-64#15591#15655
24M → 40K4888-40#15655#15695
40K → 25.2M2140-19#15695#15714
25.2M → Finish5568-13#15714#15727
TOTALS13232242-919
📊

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