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BOSTON MARATHON 2023

Erin Kline

Bib: 18462•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
28:38
Rank: #21267
Start → 5K
28:38 | 9:13/mi
10K· 6.21 mi
58:12
Rank: #21942 (-675)
5K → 10K
29:34 | 9:31/mi
15K· 9.32 mi
1:28:34
Rank: #22320 (-378)
10K → 15K
30:22 | 9:46/mi
20K· 12.43 mi
1:59:20
Rank: #22407 (-87)
15K → 20K
30:46 | 9:54/mi
Half· 13.11 mi
2:05:58
Rank: #22431 (-24)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:30:10
Rank: #22386 (+45)
Half → 25K
24:12 | 9:59/mi
30K· 18.64 mi
3:01:48
Rank: #22221 (+165)
25K → 30K
31:38 | 10:11/mi
20M
3:15:24
Rank: #22080 (+141)
30K → 20M
13:36 | 10:00/mi
21M
3:25:37
Rank: #21907 (+173)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:33:18
Rank: #21923 (-16)
21M → 35K
7:41 | 10:16/mi
23M
3:45:31
Rank: #21765 (+158)
35K → 23M
12:13 | 9:45/mi
24M
3:55:17
Rank: #21700 (+65)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
4:04:00
Rank: #21662 (+38)
24M → 40K
8:43 | 10:12/mi
25.2M
4:08:00
Rank: #21664 (-2)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:17:38
Rank: #21598 (+66)
25.2M → Finish
9:38 | 9:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:58
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:11:40
Pace10:03 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3528:389:1328:38
9:13
-
10K
6.21 mi11:55:0958:129:2229:34
9:31
+0:18
15K
9.32 mi12:25:311:28:349:3030:22
9:46
+0:15
20K
12.43 mi12:56:171:59:209:3630:46
9:54
+0:08
Half
13.11 mi13:02:552:05:589:376:38
9:43
-0:11
25K
15.53 mi13:27:072:30:109:4024:12
9:59
+0:16
30K
18.64 mi13:58:453:01:489:4531:38
10:11
+0:12
20M
20.00 mi14:12:213:15:249:4613:36
10:00
-0:11
21M
21.00 mi14:22:343:25:379:4710:13
10:13
+0:13
35K
21.75 mi14:30:153:33:189:487:41
10:16
+0:03
23M
23.00 mi14:42:283:45:319:4812:13
9:45
-0:31
24M
24.00 mi14:52:143:55:179:489:46
9:46
+0:01
40K
24.85 mi15:00:574:04:009:498:43
10:12
+0:26
25.2M
25.20 mi15:04:574:08:009:504:00
11:36
+1:24
Finish
26.22 mi15:14:354:17:389:509:38
9:27
-2:09

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

9:13 /mi

Average Pace

9:50 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:50

26% of race

Time at Steady Pace

2:07:33

50% of race

Time at Slower Pace

1:02:15

24% of race

Average Pace: 9:50 /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 mi11:25:3528:389:1328:38
9:13
#21267
10K
6.21 mi11:55:0958:129:2229:34
9:31
#21942
15K
9.32 mi12:25:311:28:349:3030:22
9:46
#22320
20K
12.43 mi12:56:171:59:209:3630:46
9:54
#22407
Half
13.11 mi13:02:552:05:589:376:38
9:43
#22431
25K
15.53 mi13:27:072:30:109:4024:12
9:59
#22386
30K
18.64 mi13:58:453:01:489:4531:38
10:11
#22221
20M
20.00 mi14:12:213:15:249:4613:36
10:00
#22080
21M
21.00 mi14:22:343:25:379:4710:13
10:13
#21907
35K
21.75 mi14:30:153:33:189:487:41
10:16
#21923
23M
23.00 mi14:42:283:45:319:4812:13
9:45
#21765
24M
24.00 mi14:52:143:55:179:489:46
9:46
#21700
40K
24.85 mi15:00:574:04:009:498:43
10:12
#21662
25.2M
25.20 mi15:04:574:08:009:504:00
11:36
#21664
Finish
26.22 mi15:14:354:17:389:509:38
9:27
#21598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212678510851022986(Top 86%)9335(Top 82%)9335(Top 191%)
10K6.21 mi3.10 mi21942-6758821-3118821-31122565(Top 85%)9121(Top 80%)9121(Top 187%)
15K9.32 mi3.11 mi22320-3788997-1768997-17622986(Top 86%)9335(Top 82%)9335(Top 191%)
20K12.43 mi3.11 mi22407-879031-349031-3422652(Top 85%)9162(Top 80%)9162(Top 188%)
Half13.11 mi0.68 mi22431-249049-189049-1822715(Top 85%)9191(Top 80%)9191(Top 188%)
25K15.53 mi2.42 mi22386+459045+49045+422180(Top 83%)8935(Top 78%)8935(Top 183%)
30K18.64 mi3.11 mi22221+1658957+888957+8821494(Top 81%)8630(Top 76%)8630(Top 177%)
20M20.00 mi1.36 mi22080+1418890+678890+6720521(Top 77%)8148(Top 71%)8148(Top 167%)
21M21.00 mi1.00 mi21907+1738802+888802+8818799(Top 71%)7231(Top 63%)7231(Top 148%)
35K21.75 mi0.75 mi21923-168810-88810-821937(Top 82%)9016(Top 79%)9016(Top 185%)
23M23.00 mi1.25 mi21765+1588748+628748+6219312(Top 73%)7595(Top 66%)7595(Top 156%)
24M24.00 mi1.00 mi21700+658729+198729+1920134(Top 76%)8052(Top 70%)8052(Top 165%)
40K24.85 mi0.85 mi21662+388715+148715+1420487(Top 77%)8328(Top 73%)8328(Top 171%)
25.2M25.20 mi0.35 mi21664-28723-88723-821779(Top 82%)9004(Top 79%)9004(Top 184%)
Finish26.22 mi1.02 mi21598+668692+318692+3119978(Top 75%)7991(Top 70%)7991(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22986

Females

9335

F18-39

9335

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22565

Females

9121

F18-39

9121

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22986

Females

9335

F18-39

9335

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22652

Females

9162

F18-39

9162

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22715

Females

9191

F18-39

9191

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22180

Females

8935

F18-39

8935

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21494

Females

8630

F18-39

8630

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20521

Females

8148

F18-39

8148

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18799

Females

7231

F18-39

7231

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21937

Females

9016

F18-39

9016

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19312

Females

7595

F18-39

7595

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20134

Females

8052

F18-39

8052

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20487

Females

8328

F18-39

8328

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21779

Females

9004

F18-39

9004

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19978

Females

7991

F18-39

7991

Passing Analysis

Category:
Athletes Passed
1315
Passed By
1646
Net Change
-331
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21267
5K → 10K58733-675#21267#21942
10K → 15K62440-378#21942#22320
15K → 20K106193-87#22320#22407
20K → Half1640-24#22407#22431
Half → 25K12176+45#22431#22386
25K → 30K21045+165#22386#22221
30K → 20M15413+141#22221#22080
20M → 21M1774+173#22080#21907
21M → 35K2137-16#21907#21923
35K → 23M1635+158#21923#21765
23M → 24M7813+65#21765#21700
24M → 40K5517+38#21700#21662
40K → 25.2M1719-2#21662#21664
25.2M → Finish7711+66#21664#21598
TOTALS13151646-331
📊

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