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BOSTON MARATHON 2023

Caroline Holden

Bib: 19442•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F45-49)
#0 / 1817
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:15
Rank: #14917
Start → 5K
25:15 | 8:08/mi
10K· 6.21 mi
49:51
Rank: #14543 (+374)
5K → 10K
24:36 | 7:55/mi
15K· 9.32 mi
1:14:24
Rank: #14242 (+301)
10K → 15K
24:33 | 7:54/mi
20K· 12.43 mi
1:39:03
Rank: #13864 (+378)
15K → 20K
24:39 | 7:56/mi
Half· 13.11 mi
1:44:27
Rank: #13845 (+19)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:47
Rank: #13634 (+211)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:29:03
Rank: #13269 (+365)
25K → 30K
25:16 | 8:08/mi
20M
2:40:57
Rank: #13404 (-135)
30K → 20M
11:54 | 8:45/mi
21M
2:50:06
Rank: #13454 (-50)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:56:33
Rank: #13551 (-97)
21M → 35K
6:27 | 8:37/mi
23M
3:06:49
Rank: #13371 (+180)
35K → 23M
10:16 | 8:12/mi
24M
3:14:42
Rank: #13216 (+155)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:21:49
Rank: #13160 (+56)
24M → 40K
7:07 | 8:19/mi
25.2M
3:24:51
Rank: #13100 (+60)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:33:01
Rank: #13056 (+44)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5125:158:0825:15
8:08
-
10K
6.21 mi11:41:2749:518:0124:36
7:55
-0:13
15K
9.32 mi12:06:001:14:247:5924:33
7:54
-0:01
20K
12.43 mi12:30:391:39:037:5824:39
7:56
+0:02
Half
13.11 mi12:36:031:44:277:585:24
7:55
-0:01
25K
15.53 mi12:55:232:03:477:5819:20
7:58
+0:03
30K
18.64 mi13:20:392:29:038:0025:16
8:08
+0:10
20M
20.00 mi13:32:332:40:578:0311:54
8:45
+0:37
21M
21.00 mi13:41:422:50:068:069:09
9:09
+0:24
35K
21.75 mi13:48:092:56:338:076:27
8:37
-0:32
23M
23.00 mi13:58:253:06:498:0710:16
8:12
-0:25
24M
24.00 mi14:06:183:14:428:077:53
7:53
-0:19
40K
24.85 mi14:13:253:21:498:077:07
8:19
+0:26
25.2M
25.20 mi14:16:273:24:518:083:02
8:48
+0:29
Finish
26.22 mi14:24:373:33:018:088:10
8:01
-0:47

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

7:53 /mi

Average Pace

8:08 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:56

89% of race

Time at Steady Pace

24:05

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:16:5125:158:0825:15
8:08
#14917
10K
6.21 mi11:41:2749:518:0124:36
7:55
#14543
15K
9.32 mi12:06:001:14:247:5924:33
7:54
#14242
20K
12.43 mi12:30:391:39:037:5824:39
7:56
#13864
Half
13.11 mi12:36:031:44:277:585:24
7:55
#13845
25K
15.53 mi12:55:232:03:477:5819:20
7:58
#13634
30K
18.64 mi13:20:392:29:038:0025:16
8:08
#13269
20M
20.00 mi13:32:332:40:578:0311:54
8:45
#13404
21M
21.00 mi13:41:422:50:068:069:09
9:09
#13454
35K
21.75 mi13:48:092:56:338:076:27
8:37
#13551
23M
23.00 mi13:58:253:06:498:0710:16
8:12
#13371
24M
24.00 mi14:06:183:14:428:077:53
7:53
#13216
40K
24.85 mi14:13:253:21:498:077:07
8:19
#13160
25.2M
25.20 mi14:16:273:24:518:083:02
8:48
#13100
Finish
26.22 mi14:24:373:33:018:088:10
8:01
#13056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi149174588458813571(Top 51%)3818(Top 33%)3818(Top 210%)
10K6.21 mi3.10 mi14543+3744369+2194369+21914137(Top 53%)4133(Top 36%)4133(Top 227%)
15K9.32 mi3.11 mi14242+3014202+1674202+16713571(Top 51%)3818(Top 33%)3818(Top 210%)
20K12.43 mi3.11 mi13864+3783999+2033999+20312915(Top 49%)3500(Top 31%)3500(Top 193%)
Half13.11 mi0.68 mi13845+193992+73992+713738(Top 52%)3925(Top 34%)3925(Top 216%)
25K15.53 mi2.42 mi13634+2113891+1013891+10112551(Top 47%)3391(Top 30%)3391(Top 187%)
30K18.64 mi3.11 mi13269+3653709+1823709+18211894(Top 45%)3125(Top 27%)3125(Top 172%)
20M20.00 mi1.36 mi13404-1353804-953804-9515195(Top 57%)5104(Top 45%)5104(Top 281%)
21M21.00 mi1.00 mi13454-503847-433847-4314217(Top 53%)4594(Top 40%)4594(Top 253%)
35K21.75 mi0.75 mi13551-973915-683915-6815971(Top 60%)5661(Top 50%)5661(Top 312%)
23M23.00 mi1.25 mi13371+1803837+783837+7811210(Top 42%)3122(Top 27%)3122(Top 172%)
24M24.00 mi1.00 mi13216+1553774+633774+6310450(Top 39%)2816(Top 25%)2816(Top 155%)
40K24.85 mi0.85 mi13160+563759+153759+1512238(Top 46%)3795(Top 33%)3795(Top 209%)
25.2M25.20 mi0.35 mi13100+603741+183741+1811396(Top 43%)3408(Top 30%)3408(Top 188%)
Finish26.22 mi1.02 mi13056+443732+93732+912256(Top 46%)3840(Top 34%)3840(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13571

Females

3818

F45-49

3818

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14137

Females

4133

F45-49

4133

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13571

Females

3818

F45-49

3818

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12915

Females

3500

F45-49

3500

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13738

Females

3925

F45-49

3925

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12551

Females

3391

F45-49

3391

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11894

Females

3125

F45-49

3125

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15195

Females

5104

F45-49

5104

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14217

Females

4594

F45-49

4594

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15971

Females

5661

F45-49

5661

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11210

Females

3122

F45-49

3122

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10450

Females

2816

F45-49

2816

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12238

Females

3795

F45-49

3795

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11396

Females

3408

F45-49

3408

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12256

Females

3840

F45-49

3840

Passing Analysis

Category:
Athletes Passed
2754
Passed By
893
Net Change
+1861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14917
5K → 10K516142+374#14917#14543
10K → 15K36968+301#14543#14242
15K → 20K40931+378#14242#13864
20K → Half4223+19#13864#13845
Half → 25K24938+211#13845#13634
25K → 30K41651+365#13634#13269
30K → 20M51186-135#13269#13404
20M → 21M74124-50#13404#13454
21M → 35K33130-97#13454#13551
35K → 23M19919+180#13551#13371
23M → 24M1649+155#13371#13216
24M → 40K8630+56#13216#13160
40K → 25.2M688+60#13160#13100
25.2M → Finish7834+44#13100#13056
TOTALS2754893+1861
📊

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