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BOSTON MARATHON 2023

Katherine Arcieri

Bib: 14977•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F40-44)
#0 / 1878
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #11081
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:31
Rank: #11334 (-253)
5K → 10K
23:44 | 7:38/mi
15K· 9.32 mi
1:10:59
Rank: #11073 (+261)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:34:53
Rank: #11001 (+72)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:40:06
Rank: #11006 (-5)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:59:15
Rank: #11120 (-114)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:24:32
Rank: #11195 (-75)
25K → 30K
25:17 | 8:08/mi
20M
2:35:51
Rank: #11300 (-105)
30K → 20M
11:19 | 8:20/mi
21M
2:45:29
Rank: #11693 (-393)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
2:51:31
Rank: #11737 (-44)
21M → 35K
6:02 | 8:04/mi
23M
3:02:21
Rank: #11882 (-145)
35K → 23M
10:50 | 8:39/mi
24M
3:11:14
Rank: #12149 (-267)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:18:24
Rank: #12145 (+4)
24M → 40K
7:10 | 8:23/mi
25.2M
3:21:55
Rank: #12285 (-140)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:30:10
Rank: #12313 (-28)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:06
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:50:04
Pace8:24 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1823:477:3923:47
7:39
-
10K
6.21 mi11:17:0247:317:3923:44
7:38
-0:01
15K
9.32 mi11:40:301:10:597:3723:28
7:33
-0:05
20K
12.43 mi12:04:241:34:537:3823:54
7:42
+0:09
Half
13.11 mi12:09:371:40:067:385:13
7:39
-0:03
25K
15.53 mi12:28:461:59:157:4119:09
7:54
+0:15
30K
18.64 mi12:54:032:24:327:4525:17
8:08
+0:14
20M
20.00 mi13:05:222:35:517:4811:19
8:20
+0:12
21M
21.00 mi13:15:002:45:297:539:38
9:38
+1:18
35K
21.75 mi13:21:022:51:317:536:02
8:04
-1:34
23M
23.00 mi13:31:523:02:217:5610:50
8:39
+0:35
24M
24.00 mi13:40:453:11:147:588:53
8:53
+0:14
40K
24.85 mi13:47:553:18:247:597:10
8:23
-0:30
25.2M
25.20 mi13:51:263:21:558:013:31
10:12
+1:49
Finish
26.22 mi13:59:413:30:108:018:15
8:06
-2:06

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

7:33 /mi

Average Pace

8:01 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:06

48% of race

Time at Steady Pace

1:17:12

37% of race

Time at Slower Pace

32:52

16% of race

Average Pace: 8:01 /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 mi10:53:1823:477:3923:47
7:39
#11081
10K
6.21 mi11:17:0247:317:3923:44
7:38
#11334
15K
9.32 mi11:40:301:10:597:3723:28
7:33
#11073
20K
12.43 mi12:04:241:34:537:3823:54
7:42
#11001
Half
13.11 mi12:09:371:40:067:385:13
7:39
#11006
25K
15.53 mi12:28:461:59:157:4119:09
7:54
#11120
30K
18.64 mi12:54:032:24:327:4525:17
8:08
#11195
20M
20.00 mi13:05:222:35:517:4811:19
8:20
#11300
21M
21.00 mi13:15:002:45:297:539:38
9:38
#11693
35K
21.75 mi13:21:022:51:317:536:02
8:04
#11737
23M
23.00 mi13:31:523:02:217:5610:50
8:39
#11882
24M
24.00 mi13:40:453:11:147:588:53
8:53
#12149
40K
24.85 mi13:47:553:18:247:597:10
8:23
#12145
25.2M
25.20 mi13:51:263:21:558:013:31
10:12
#12285
Finish
26.22 mi13:59:413:30:108:018:15
8:06
#12313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi110812377237710629(Top 40%)2154(Top 19%)2154(Top 115%)
10K6.21 mi3.10 mi11334-2532512-1352512-13511704(Top 44%)2704(Top 24%)2704(Top 144%)
15K9.32 mi3.11 mi11073+2612373+1392373+13910629(Top 40%)2154(Top 19%)2154(Top 115%)
20K12.43 mi3.11 mi11001+722331+422331+4210875(Top 41%)2350(Top 21%)2350(Top 125%)
Half13.11 mi0.68 mi11006-52335-42335-411500(Top 43%)2641(Top 23%)2641(Top 141%)
25K15.53 mi2.42 mi11120-1142420-852420-8511920(Top 45%)3033(Top 27%)3033(Top 162%)
30K18.64 mi3.11 mi11195-752529-1092529-10911920(Top 45%)3142(Top 28%)3142(Top 167%)
20M20.00 mi1.36 mi11300-1052602-732602-7312545(Top 47%)3602(Top 32%)3602(Top 192%)
21M21.00 mi1.00 mi11693-3932840-2382840-23816581(Top 62%)5951(Top 52%)5951(Top 317%)
35K21.75 mi0.75 mi11737-442876-362876-3612594(Top 47%)3755(Top 33%)3755(Top 200%)
23M23.00 mi1.25 mi11882-1452984-1082984-10814089(Top 53%)4664(Top 41%)4664(Top 248%)
24M24.00 mi1.00 mi12149-2673162-1783162-17816684(Top 63%)6178(Top 54%)6178(Top 329%)
40K24.85 mi0.85 mi12145+43185-233185-2312598(Top 47%)3990(Top 35%)3990(Top 212%)
25.2M25.20 mi0.35 mi12285-1403264-793264-7918117(Top 68%)6997(Top 61%)6997(Top 373%)
Finish26.22 mi1.02 mi12313-283301-373301-3712762(Top 48%)4086(Top 36%)4086(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10629

Females

2154

F40-44

2154

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11704

Females

2704

F40-44

2704

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10629

Females

2154

F40-44

2154

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10875

Females

2350

F40-44

2350

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11500

Females

2641

F40-44

2641

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11920

Females

3033

F40-44

3033

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11920

Females

3142

F40-44

3142

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12545

Females

3602

F40-44

3602

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16581

Females

5951

F40-44

5951

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12594

Females

3755

F40-44

3755

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14089

Females

4664

F40-44

4664

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16684

Females

6178

F40-44

6178

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12598

Females

3990

F40-44

3990

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18117

Females

6997

F40-44

6997

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12762

Females

4086

F40-44

4086

Passing Analysis

Category:
Athletes Passed
1304
Passed By
2536
Net Change
-1232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11081
5K → 10K187440-253#11081#11334
10K → 15K33675+261#11334#11073
15K → 20K191119+72#11073#11001
20K → Half2126-5#11001#11006
Half → 25K87201-114#11006#11120
25K → 30K155230-75#11120#11195
30K → 20M57162-105#11195#11300
20M → 21M19412-393#11300#11693
21M → 35K3478-44#11693#11737
35K → 23M56201-145#11737#11882
23M → 24M15282-267#11882#12149
24M → 40K6965+4#12149#12145
40K → 25.2M6146-140#12145#12285
25.2M → Finish7199-28#12285#12313
TOTALS13042536-1232
📊

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