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BOSTON MARATHON 2023

Carolyn Newkirk

Bib: 32023•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:03
Rank: #23423
Start → 5K
31:03 | 10:00/mi
10K· 6.21 mi
1:00:34
Rank: #23031 (+392)
5K → 10K
29:31 | 9:30/mi
15K· 9.32 mi
1:30:35
Rank: #22938 (+93)
10K → 15K
30:01 | 9:40/mi
20K· 12.43 mi
2:01:23
Rank: #22841 (+97)
15K → 20K
30:48 | 9:55/mi
Half· 13.11 mi
2:08:30
Rank: #22938 (-97)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:33:00
Rank: #22846 (+92)
Half → 25K
24:30 | 10:06/mi
30K· 18.64 mi
3:05:50
Rank: #22740 (+106)
25K → 30K
32:50 | 10:34/mi
20M
3:20:26
Rank: #22687 (+53)
30K → 20M
14:36 | 10:45/mi
21M
3:31:41
Rank: #22619 (+68)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:39:38
Rank: #22607 (+12)
21M → 35K
7:57 | 10:38/mi
23M
3:53:39
Rank: #22606 (+1)
35K → 23M
14:01 | 11:12/mi
24M
4:04:02
Rank: #22569 (+37)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
4:13:03
Rank: #22528 (+41)
24M → 40K
9:01 | 10:33/mi
25.2M
4:16:46
Rank: #22491 (+37)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:26:50
Rank: #22454 (+37)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:30
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:18:20
Pace10:33 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3431:0310:0031:03
10:00
-
10K
6.21 mi12:22:051:00:349:4529:31
9:30
-0:30
15K
9.32 mi12:52:061:30:359:4330:01
9:40
+0:10
20K
12.43 mi13:22:542:01:239:4630:48
9:55
+0:15
Half
13.11 mi13:30:012:08:309:487:07
10:26
+0:31
25K
15.53 mi13:54:312:33:009:5124:30
10:06
-0:20
30K
18.64 mi14:27:213:05:509:5832:50
10:34
+0:28
20M
20.00 mi14:41:573:20:2610:0114:36
10:45
+0:11
21M
21.00 mi14:53:123:31:4110:0511:15
11:15
+0:30
35K
21.75 mi15:01:093:39:3810:067:57
10:38
-0:37
23M
23.00 mi15:15:103:53:3910:1014:01
11:12
+0:34
24M
24.00 mi15:25:334:04:0210:1010:23
10:23
-0:49
40K
24.85 mi15:34:344:13:0310:119:01
10:33
+0:10
25.2M
25.20 mi15:38:174:16:4610:113:43
10:47
+0:14
Finish
26.22 mi15:48:214:26:5010:1110:04
9:53
-0:54

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

9:30 /mi

Average Pace

10:11 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:27

65% of race

Time at Steady Pace

1:22:08

31% of race

Time at Slower Pace

11:15

4% of race

Average Pace: 10:11 /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 mi11:52:3431:0310:0031:03
10:00
#23423
10K
6.21 mi12:22:051:00:349:4529:31
9:30
#23031
15K
9.32 mi12:52:061:30:359:4330:01
9:40
#22938
20K
12.43 mi13:22:542:01:239:4630:48
9:55
#22841
Half
13.11 mi13:30:012:08:309:487:07
10:26
#22938
25K
15.53 mi13:54:312:33:009:5124:30
10:06
#22846
30K
18.64 mi14:27:213:05:509:5832:50
10:34
#22740
20M
20.00 mi14:41:573:20:2610:0114:36
10:45
#22687
21M
21.00 mi14:53:123:31:4110:0511:15
11:15
#22619
35K
21.75 mi15:01:093:39:3810:067:57
10:38
#22607
23M
23.00 mi15:15:103:53:3910:1014:01
11:12
#22606
24M
24.00 mi15:25:334:04:0210:1010:23
10:23
#22569
40K
24.85 mi15:34:344:13:0310:119:01
10:33
#22528
25.2M
25.20 mi15:38:174:16:4610:113:43
10:47
#22491
Finish
26.22 mi15:48:214:26:5010:1110:04
9:53
#22454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi234239616961622704(Top 85%)9187(Top 80%)9187(Top 506%)
10K6.21 mi3.10 mi23031+3929381+2359381+23522526(Top 85%)9101(Top 80%)9101(Top 501%)
15K9.32 mi3.11 mi22938+939321+609321+6022704(Top 85%)9187(Top 80%)9187(Top 506%)
20K12.43 mi3.11 mi22841+979268+539268+5322692(Top 85%)9186(Top 80%)9186(Top 506%)
Half13.11 mi0.68 mi22938-979318-509318-5024077(Top 90%)9949(Top 87%)9949(Top 548%)
25K15.53 mi2.42 mi22846+929279+399279+3922446(Top 84%)9084(Top 80%)9084(Top 500%)
30K18.64 mi3.11 mi22740+1069253+269253+2622350(Top 84%)9102(Top 80%)9102(Top 501%)
20M20.00 mi1.36 mi22687+539237+169237+1622252(Top 84%)9117(Top 80%)9117(Top 502%)
21M21.00 mi1.00 mi22619+689210+279210+2721387(Top 80%)8678(Top 76%)8678(Top 478%)
35K21.75 mi0.75 mi22607+129212-29212-222643(Top 85%)9389(Top 82%)9389(Top 517%)
23M23.00 mi1.25 mi22606+19212921222719(Top 85%)9444(Top 83%)9444(Top 520%)
24M24.00 mi1.00 mi22569+379203+99203+921769(Top 82%)8990(Top 79%)8990(Top 495%)
40K24.85 mi0.85 mi22528+419185+189185+1821331(Top 80%)8796(Top 77%)8796(Top 484%)
25.2M25.20 mi0.35 mi22491+379168+179168+1719967(Top 75%)8056(Top 71%)8056(Top 443%)
Finish26.22 mi1.02 mi22454+379157+119157+1121432(Top 81%)8807(Top 77%)8807(Top 485%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22704

Females

9187

F45-49

9187

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22526

Females

9101

F45-49

9101

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22704

Females

9187

F45-49

9187

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22692

Females

9186

F45-49

9186

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24077

Females

9949

F45-49

9949

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22446

Females

9084

F45-49

9084

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22350

Females

9102

F45-49

9102

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22252

Females

9117

F45-49

9117

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21387

Females

8678

F45-49

8678

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22643

Females

9389

F45-49

9389

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22719

Females

9444

F45-49

9444

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21769

Females

8990

F45-49

8990

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21331

Females

8796

F45-49

8796

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19967

Females

8056

F45-49

8056

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21432

Females

8807

F45-49

8807

Passing Analysis

Category:
Athletes Passed
1639
Passed By
670
Net Change
+969
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23423
5K → 10K46472+392#23423#23031
10K → 15K201108+93#23031#22938
15K → 20K17679+97#22938#22841
20K → Half6103-97#22841#22938
Half → 25K13947+92#22938#22846
25K → 30K17872+106#22846#22740
30K → 20M8532+53#22740#22687
20M → 21M9123+68#22687#22619
21M → 35K4331+12#22619#22607
35K → 23M6463+1#22607#22606
23M → 24M469+37#22606#22569
24M → 40K509+41#22569#22528
40K → 25.2M392+37#22528#22491
25.2M → Finish5720+37#22491#22454
TOTALS1639670+969
📊

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