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BOSTON MARATHON 2023

Erin Holcomb

Bib: 14433•F

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #8197
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
44:57
Rank: #8001 (+196)
5K → 10K
22:14 | 7:09/mi
15K· 9.32 mi
1:07:14
Rank: #7851 (+150)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:30:05
Rank: #7882 (-31)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:35:05
Rank: #7932 (-50)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:29
Rank: #8111 (-179)
Half → 25K
18:24 | 7:35/mi
30K· 18.64 mi
2:20:42
Rank: #9575 (-1464)
25K → 30K
27:13 | 8:46/mi
20M
2:34:05
Rank: #10587 (-1012)
30K → 20M
13:23 | 9:51/mi
21M
2:53:06
Rank: #14494 (-3907)
20M → 21M
19:01 | 19:01/mi
35K· 21.75 mi
2:59:58
Rank: #14684 (-190)
21M → 35K
6:52 | 9:11/mi
23M
3:12:04
Rank: #14995 (-311)
35K → 23M
12:06 | 9:40/mi
24M
3:22:15
Rank: #15410 (-415)
23M → 24M
10:11 | 10:11/mi
40K· 24.85 mi
3:31:10
Rank: #15746 (-336)
24M → 40K
8:55 | 10:26/mi
25.2M
3:35:03
Rank: #15876 (-130)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:45:20
Rank: #16245 (-369)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:05
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time2:10:15
Pace9:56 /mi
📊Positive Split: 37.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0722:437:1922:43
7:19
-
10K
6.21 mi11:14:2144:577:1422:14
7:09
-0:10
15K
9.32 mi11:36:381:07:147:1322:17
7:10
+0:01
20K
12.43 mi11:59:291:30:057:1522:51
7:21
+0:11
Half
13.11 mi12:04:291:35:057:155:00
7:20
-0:01
25K
15.53 mi12:22:531:53:297:1818:24
7:35
+0:15
30K
18.64 mi12:50:062:20:427:3327:13
8:46
+1:11
20M
20.00 mi13:03:292:34:057:4213:23
9:51
+1:05
21M
21.00 mi13:22:302:53:068:1519:01
19:01
+9:10
35K
21.75 mi13:29:222:59:588:176:52
9:11
-9:50
23M
23.00 mi13:41:283:12:048:2112:06
9:40
+0:29
24M
24.00 mi13:51:393:22:158:2610:11
10:11
+0:31
40K
24.85 mi14:00:343:31:108:308:55
10:26
+0:15
25.2M
25.20 mi14:04:273:35:038:323:53
11:16
+0:50
Finish
26.22 mi14:14:443:45:208:3610:17
10:05
-1:11

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

7:09 /mi

Average Pace

8:36 /mi

Slowest Pace

19:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:29

50% of race

Time at Steady Pace

1:28:57

39% of race

Time at Slower Pace

22:54

10% of race

Average Pace: 8:36 /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 mi10:52:0722:437:1922:43
7:19
#8197
10K
6.21 mi11:14:2144:577:1422:14
7:09
#8001
15K
9.32 mi11:36:381:07:147:1322:17
7:10
#7851
20K
12.43 mi11:59:291:30:057:1522:51
7:21
#7882
Half
13.11 mi12:04:291:35:057:155:00
7:20
#7932
25K
15.53 mi12:22:531:53:297:1818:24
7:35
#8111
30K
18.64 mi12:50:062:20:427:3327:13
8:46
#9575
20M
20.00 mi13:03:292:34:057:4213:23
9:51
#10587
21M
21.00 mi13:22:302:53:068:1519:01
19:01
#14494
35K
21.75 mi13:29:222:59:588:176:52
9:11
#14684
23M
23.00 mi13:41:283:12:048:2112:06
9:40
#14995
24M
24.00 mi13:51:393:22:158:2610:11
10:11
#15410
40K
24.85 mi14:00:343:31:108:308:55
10:26
#15746
25.2M
25.20 mi14:04:273:35:038:323:53
11:16
#15876
Finish
26.22 mi14:14:443:45:208:3610:17
10:05
#16245
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8197108510857628(Top 29%)943(Top 8%)943(Top 19%)
10K6.21 mi3.10 mi8001+1961031+541031+547828(Top 29%)1000(Top 9%)1000(Top 20%)
15K9.32 mi3.11 mi7851+150987+44987+447628(Top 29%)943(Top 8%)943(Top 19%)
20K12.43 mi3.11 mi7882-311009-221009-228196(Top 31%)1176(Top 10%)1176(Top 24%)
Half13.11 mi0.68 mi7932-501035-261035-268917(Top 33%)1467(Top 13%)1467(Top 30%)
25K15.53 mi2.42 mi8111-1791123-881123-889484(Top 36%)1775(Top 16%)1775(Top 36%)
30K18.64 mi3.11 mi9575-14641710-5871710-58715840(Top 59%)5412(Top 47%)5412(Top 111%)
20M20.00 mi1.36 mi10587-10122216-5062216-50620005(Top 75%)7851(Top 69%)7851(Top 161%)
21M21.00 mi1.00 mi14494-39074489-22734489-227326590(Top 100%)11410(Top 100%)11410(Top 234%)
35K21.75 mi0.75 mi14684-1904615-1264615-12618659(Top 70%)7189(Top 63%)7189(Top 147%)
23M23.00 mi1.25 mi14995-3114832-2174832-21718951(Top 71%)7373(Top 65%)7373(Top 151%)
24M24.00 mi1.00 mi15410-4155117-2855117-28521286(Top 80%)8711(Top 76%)8711(Top 178%)
40K24.85 mi0.85 mi15746-3365332-2155332-21521039(Top 79%)8628(Top 76%)8628(Top 177%)
25.2M25.20 mi0.35 mi15876-1305412-805412-8021047(Top 79%)8606(Top 75%)8606(Top 176%)
Finish26.22 mi1.02 mi16245-3695632-2205632-22022007(Top 83%)9118(Top 80%)9118(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7628

Females

943

F18-39

943

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7828

Females

1000

F18-39

1000

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7628

Females

943

F18-39

943

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8196

Females

1176

F18-39

1176

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8917

Females

1467

F18-39

1467

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9484

Females

1775

F18-39

1775

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15840

Females

5412

F18-39

5412

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

20005

Females

7851

F18-39

7851

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26590

Females

11410

F18-39

11410

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18659

Females

7189

F18-39

7189

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18951

Females

7373

F18-39

7373

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21286

Females

8711

F18-39

8711

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21039

Females

8628

F18-39

8628

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21047

Females

8606

F18-39

8606

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22007

Females

9118

F18-39

9118

Passing Analysis

Category:
Athletes Passed
842
Passed By
8889
Net Change
-8048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8197
5K → 10K348152+196#8197#8001
10K → 15K22474+150#8001#7851
15K → 20K111142-31#7851#7882
20K → Half1161-50#7882#7932
Half → 25K49228-179#7932#8111
25K → 30K141478-1464#8111#9575
30K → 20M41015-1012#9575#10587
20M → 21M03907-3907#10587#14494
21M → 35K9199-190#14494#14684
35K → 23M23334-311#14684#14995
23M → 24M16431-415#14995#15410
24M → 40K13349-336#15410#15746
40K → 25.2M7137-130#15746#15876
25.2M → Finish13382-369#15876#16245
TOTALS8428889-8048
📊

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