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BOSTON MARATHON 2023

Holly Barrett

Bib: 18306•F

IA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
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
24:56
Rank: #14200
Start → 5K
8:02/mi
24:56 split
10K· 6.21 mi
49:32
Rank: #14183 (+17)
5K → 10K
7:55/mi
24:36 split
15K· 9.32 mi
1:13:56
Rank: #13844 (+339)
10K → 15K
7:51/mi
24:24 split
20K· 12.43 mi
1:39:05
Rank: #13888 (-44)
15K → 20K
8:06/mi
25:09 split
Half· 13.11 mi
1:44:31
Rank: #13886 (+2)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
2:04:19
Rank: #13897 (-11)
Half → 25K
8:10/mi
19:48 split
30K· 18.64 mi
2:31:07
Rank: #14151 (-254)
25K → 30K
8:38/mi
26:48 split
20M
2:43:04
Rank: #14236 (-85)
30K → 20M
8:48/mi
11:57 split
21M
2:51:59
Rank: #14135 (+101)
20M → 21M
8:55/mi
8:55 split
35K· 21.75 mi
2:57:29
Rank: #13891 (+244)
21M → 35K
7:21/mi
5:30 split
23M
3:07:45
Rank: #13698 (+193)
35K → 23M
8:12/mi
10:16 split
24M
3:15:56
Rank: #13613 (+85)
23M → 24M
8:11/mi
8:11 split
40K· 24.85 mi
3:23:12
Rank: #13585 (+28)
24M → 40K
8:30/mi
7:16 split
25.2M
3:26:13
Rank: #13518 (+67)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:34:25
Rank: #13474 (+44)
25.2M → Finish
8:03/mi
8:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:31
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:54
Pace8:23 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0224:568:0224:56
8:02
-
10K
6.21 mi11:40:3849:327:5824:36
7:55
-0:07
15K
9.32 mi12:05:021:13:567:5624:24
7:51
-0:04
20K
12.43 mi12:30:111:39:057:5825:09
8:06
+0:15
Half
13.11 mi12:35:371:44:317:585:26
7:58
-0:08
25K
15.53 mi12:55:252:04:198:0019:48
8:10
+0:12
30K
18.64 mi13:22:132:31:078:0626:48
8:38
+0:28
20M
20.00 mi13:34:102:43:048:0911:57
8:48
+0:10
21M
21.00 mi13:43:052:51:598:118:55
8:55
+0:07
35K
21.75 mi13:48:352:57:298:105:30
7:21
-1:34
23M
23.00 mi13:58:513:07:458:1010:16
8:12
+0:51
24M
24.00 mi14:07:023:15:568:108:11
8:11
-0:01
40K
24.85 mi14:14:183:23:128:117:16
8:30
+0:19
25.2M
25.20 mi14:17:193:26:138:113:01
8:45
+0:15
Finish
26.22 mi14:25:313:34:258:118:12
8:03
-0:42

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

7:21 /mi

Average Pace

8:11 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:30

25% of race

Time at Steady Pace

1:41:58

48% of race

Time at Slower Pace

57:57

27% of race

Average Pace: 8:11 /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 mi11:16:0224:568:0224:56
8:02
#14200
10K
6.21 mi11:40:3849:327:5824:36
7:55
#14183
15K
9.32 mi12:05:021:13:567:5624:24
7:51
#13844
20K
12.43 mi12:30:111:39:057:5825:09
8:06
#13888
Half
13.11 mi12:35:371:44:317:585:26
7:58
#13886
25K
15.53 mi12:55:252:04:198:0019:48
8:10
#13897
30K
18.64 mi13:22:132:31:078:0626:48
8:38
#14151
20M
20.00 mi13:34:102:43:048:0911:57
8:48
#14236
21M
21.00 mi13:43:052:51:598:118:55
8:55
#14135
35K
21.75 mi13:48:352:57:298:105:30
7:21
#13891
23M
23.00 mi13:58:513:07:458:1010:16
8:12
#13698
24M
24.00 mi14:07:023:15:568:108:11
8:11
#13613
40K
24.85 mi14:14:183:23:128:117:16
8:30
#13585
25.2M
25.20 mi14:17:193:26:138:113:01
8:45
#13518
Finish
26.22 mi14:25:313:34:258:118:12
8:03
#13474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142004148414813160(Top 49%)3581(Top 31%)3581(Top 73%)
10K6.21 mi3.10 mi14183+174153-54153-514142(Top 53%)4138(Top 36%)4138(Top 85%)
15K9.32 mi3.11 mi13844+3393963+1903963+19013160(Top 49%)3581(Top 31%)3581(Top 73%)
20K12.43 mi3.11 mi13888-444016-534016-5314205(Top 53%)4227(Top 37%)4227(Top 87%)
Half13.11 mi0.68 mi13886+24016401614113(Top 53%)4144(Top 36%)4144(Top 85%)
25K15.53 mi2.42 mi13897-114054-384054-3813997(Top 53%)4217(Top 37%)4217(Top 86%)
30K18.64 mi3.11 mi14151-2544233-1794233-17915067(Top 57%)4970(Top 44%)4970(Top 102%)
20M20.00 mi1.36 mi14236-854315-824315-8215400(Top 58%)5210(Top 46%)5210(Top 107%)
21M21.00 mi1.00 mi14135+1014270+454270+4512953(Top 49%)3917(Top 34%)3917(Top 80%)
35K21.75 mi0.75 mi13891+2444129+1414129+1417556(Top 28%)1348(Top 12%)1348(Top 28%)
23M23.00 mi1.25 mi13698+1934042+874042+8711215(Top 42%)3127(Top 27%)3127(Top 64%)
24M24.00 mi1.00 mi13613+854010+324010+3212511(Top 47%)3866(Top 34%)3866(Top 79%)
40K24.85 mi0.85 mi13585+284011-14011-113354(Top 50%)4390(Top 38%)4390(Top 90%)
25.2M25.20 mi0.35 mi13518+673981+303981+3011117(Top 42%)3275(Top 29%)3275(Top 67%)
Finish26.22 mi1.02 mi13474+443976+53976+512470(Top 47%)3947(Top 35%)3947(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13160

Females

3581

F18-39

3581

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14142

Females

4138

F18-39

4138

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13160

Females

3581

F18-39

3581

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14205

Females

4227

F18-39

4227

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14113

Females

4144

F18-39

4144

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13997

Females

4217

F18-39

4217

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15067

Females

4970

F18-39

4970

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15400

Females

5210

F18-39

5210

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12953

Females

3917

F18-39

3917

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7556

Females

1348

F18-39

1348

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11215

Females

3127

F18-39

3127

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12511

Females

3866

F18-39

3866

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13354

Females

4390

F18-39

4390

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11117

Females

3275

F18-39

3275

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12470

Females

3947

F18-39

3947

Passing Analysis

Category:
Athletes Passed
2140
Passed By
1414
Net Change
+726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14200
5K → 10K292275+17#14200#14183
10K → 15K39859+339#14183#13844
15K → 20K173217-44#13844#13888
20K → Half3432+2#13888#13886
Half → 25K127138-11#13886#13897
25K → 30K109363-254#13897#14151
30K → 20M61146-85#14151#14236
20M → 21M14342+101#14236#14135
21M → 35K2440+244#14135#13891
35K → 23M20714+193#13891#13698
23M → 24M11025+85#13698#13613
24M → 40K7850+28#13613#13585
40K → 25.2M703+67#13585#13518
25.2M → Finish9450+44#13518#13474
TOTALS21401414+726
📊

Passing Visuals

Category:
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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