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BOSTON MARATHON 2023

Bailey Martin

Bib: 17442•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
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
25:10
Rank: #14728
Start → 5K
25:10 | 8:06/mi
10K· 6.21 mi
49:49
Rank: #14511 (+217)
5K → 10K
24:39 | 7:56/mi
15K· 9.32 mi
1:14:26
Rank: #14264 (+247)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:39:23
Rank: #14084 (+180)
15K → 20K
24:57 | 8:02/mi
Half· 13.11 mi
1:44:49
Rank: #14090 (-6)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:13
Rank: #13844 (+246)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:30:07
Rank: #13705 (+139)
25K → 30K
25:54 | 8:20/mi
20M
2:41:37
Rank: #13677 (+28)
30K → 20M
11:30 | 8:28/mi
21M
2:50:47
Rank: #13716 (-39)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:57:03
Rank: #13729 (-13)
21M → 35K
6:16 | 8:23/mi
23M
3:07:49
Rank: #13719 (+10)
35K → 23M
10:46 | 8:36/mi
24M
3:16:29
Rank: #13770 (-51)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:23:47
Rank: #13764 (+6)
24M → 40K
7:18 | 8:32/mi
25.2M
3:26:59
Rank: #13763 (+1)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:35:24
Rank: #13747 (+16)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:49
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:50:35
Pace8:26 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0025:108:0625:10
8:06
-
10K
6.21 mi11:40:3949:498:0124:39
7:56
-0:10
15K
9.32 mi12:05:161:14:267:5924:37
7:55
-0:01
20K
12.43 mi12:30:131:39:238:0024:57
8:02
+0:07
Half
13.11 mi12:35:391:44:498:005:26
7:58
-0:04
25K
15.53 mi12:55:032:04:138:0019:24
8:00
+0:02
30K
18.64 mi13:20:572:30:078:0325:54
8:20
+0:20
20M
20.00 mi13:32:272:41:378:0511:30
8:28
+0:08
21M
21.00 mi13:41:372:50:478:089:10
9:10
+0:42
35K
21.75 mi13:47:532:57:038:086:16
8:23
-0:47
23M
23.00 mi13:58:393:07:498:1010:46
8:36
+0:13
24M
24.00 mi14:07:193:16:298:118:40
8:40
+0:04
40K
24.85 mi14:14:373:23:478:127:18
8:32
-0:08
25.2M
25.20 mi14:17:493:26:598:133:12
9:17
+0:45
Finish
26.22 mi14:26:143:35:248:138:25
8:16
-1:01

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

7:55 /mi

Average Pace

8:13 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:02

94% of race

Time at Steady Pace

12:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:16:0025:108:0625:10
8:06
#14728
10K
6.21 mi11:40:3949:498:0124:39
7:56
#14511
15K
9.32 mi12:05:161:14:267:5924:37
7:55
#14264
20K
12.43 mi12:30:131:39:238:0024:57
8:02
#14084
Half
13.11 mi12:35:391:44:498:005:26
7:58
#14090
25K
15.53 mi12:55:032:04:138:0019:24
8:00
#13844
30K
18.64 mi13:20:572:30:078:0325:54
8:20
#13705
20M
20.00 mi13:32:272:41:378:0511:30
8:28
#13677
21M
21.00 mi13:41:372:50:478:089:10
9:10
#13716
35K
21.75 mi13:47:532:57:038:086:16
8:23
#13729
23M
23.00 mi13:58:393:07:498:1010:46
8:36
#13719
24M
24.00 mi14:07:193:16:298:118:40
8:40
#13770
40K
24.85 mi14:14:373:23:478:127:18
8:32
#13764
25.2M
25.20 mi14:17:493:26:598:133:12
9:17
#13763
Finish
26.22 mi14:26:143:35:248:138:25
8:16
#13747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147284473447313783(Top 52%)3956(Top 35%)3956(Top 81%)
10K6.21 mi3.10 mi14511+2174347+1264347+12614290(Top 54%)4230(Top 37%)4230(Top 87%)
15K9.32 mi3.11 mi14264+2474214+1334214+13313783(Top 52%)3956(Top 35%)3956(Top 81%)
20K12.43 mi3.11 mi14084+1804136+784136+7813706(Top 51%)3940(Top 34%)3940(Top 81%)
Half13.11 mi0.68 mi14090-64138-24138-214125(Top 53%)4156(Top 36%)4156(Top 85%)
25K15.53 mi2.42 mi13844+2464019+1194019+11912783(Top 48%)3517(Top 31%)3517(Top 72%)
30K18.64 mi3.11 mi13705+1393960+593960+5913286(Top 50%)3912(Top 34%)3912(Top 80%)
20M20.00 mi1.36 mi13677+283967-73967-713432(Top 50%)4092(Top 36%)4092(Top 84%)
21M21.00 mi1.00 mi13716-394001-344001-3414315(Top 54%)4663(Top 41%)4663(Top 95%)
35K21.75 mi0.75 mi13729-134026-254026-2514598(Top 55%)4880(Top 43%)4880(Top 100%)
23M23.00 mi1.25 mi13719+104053-274053-2713799(Top 52%)4504(Top 39%)4504(Top 92%)
24M24.00 mi1.00 mi13770-514114-614114-6115468(Top 58%)5508(Top 48%)5508(Top 113%)
40K24.85 mi0.85 mi13764+64120-64120-613604(Top 51%)4525(Top 40%)4525(Top 93%)
25.2M25.20 mi0.35 mi13763+14132-124132-1214123(Top 53%)4807(Top 42%)4807(Top 98%)
Finish26.22 mi1.02 mi13747+164137-54137-513860(Top 52%)4663(Top 41%)4663(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13783

Females

3956

F18-39

3956

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14290

Females

4230

F18-39

4230

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13783

Females

3956

F18-39

3956

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13706

Females

3940

F18-39

3940

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14125

Females

4156

F18-39

4156

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12783

Females

3517

F18-39

3517

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13286

Females

3912

F18-39

3912

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13432

Females

4092

F18-39

4092

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14315

Females

4663

F18-39

4663

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14598

Females

4880

F18-39

4880

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13799

Females

4504

F18-39

4504

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15468

Females

5508

F18-39

5508

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13604

Females

4525

F18-39

4525

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14123

Females

4807

F18-39

4807

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13860

Females

4663

F18-39

4663

Passing Analysis

Category:
Athletes Passed
2115
Passed By
1134
Net Change
+981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14728
5K → 10K413196+217#14728#14511
10K → 15K32881+247#14511#14264
15K → 20K26888+180#14264#14084
20K → Half3440-6#14084#14090
Half → 25K27125+246#14090#13844
25K → 30K253114+139#13844#13705
30K → 20M11486+28#13705#13677
20M → 21M72111-39#13677#13716
21M → 35K5063-13#13716#13729
35K → 23M9686+10#13729#13719
23M → 24M53104-51#13719#13770
24M → 40K5953+6#13770#13764
40K → 25.2M3231+1#13764#13763
25.2M → Finish7256+16#13763#13747
TOTALS21151134+981
📊

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