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BOSTON MARATHON 2023

Erin Lynch

Bib: 26615•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:47
Rank: #22340
Start → 5K
29:47 | 9:35/mi
10K· 6.21 mi
57:28
Rank: #21562 (+778)
5K → 10K
27:41 | 8:55/mi
15K· 9.32 mi
1:26:14
Rank: #21537 (+25)
10K → 15K
28:46 | 9:16/mi
20K· 12.43 mi
1:54:57
Rank: #21354 (+183)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
2:01:13
Rank: #21326 (+28)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:23:41
Rank: #21119 (+207)
Half → 25K
22:28 | 9:16/mi
30K· 18.64 mi
2:53:21
Rank: #20819 (+300)
25K → 30K
29:40 | 9:33/mi
20M
3:06:11
Rank: #20636 (+183)
30K → 20M
12:50 | 9:27/mi
21M
3:16:14
Rank: #20488 (+148)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:23:24
Rank: #20466 (+22)
21M → 35K
7:10 | 9:35/mi
23M
3:35:27
Rank: #20353 (+113)
35K → 23M
12:03 | 9:37/mi
24M
3:44:41
Rank: #20275 (+78)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:52:42
Rank: #20191 (+84)
24M → 40K
8:01 | 9:23/mi
25.2M
3:56:08
Rank: #20139 (+52)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
4:04:56
Rank: #20028 (+111)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:13
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:03:43
Pace9:26 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1629:479:3529:47
9:35
-
10K
6.21 mi12:16:5757:289:1527:41
8:55
-0:40
15K
9.32 mi12:45:431:26:149:1528:46
9:16
+0:21
20K
12.43 mi13:14:261:54:579:1528:43
9:15
-0:01
Half
13.11 mi13:20:422:01:139:156:16
9:11
-0:04
25K
15.53 mi13:43:102:23:419:1522:28
9:16
+0:05
30K
18.64 mi14:12:502:53:219:1829:40
9:33
+0:17
20M
20.00 mi14:25:403:06:119:1912:50
9:27
-0:06
21M
21.00 mi14:35:433:16:149:2110:03
10:03
+0:36
35K
21.75 mi14:42:533:23:249:217:10
9:35
-0:28
23M
23.00 mi14:54:563:35:279:2212:03
9:37
+0:02
24M
24.00 mi15:04:103:44:419:229:14
9:14
-0:23
40K
24.85 mi15:12:113:52:429:228:01
9:23
+0:09
25.2M
25.20 mi15:15:373:56:089:223:26
9:57
+0:34
Finish
26.22 mi15:24:254:04:569:218:48
8:38
-1:19

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

8:38 /mi

Average Pace

9:21 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:47

62% of race

Time at Steady Pace

1:32:09

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:20 /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 mi11:49:1629:479:3529:47
9:35
#22340
10K
6.21 mi12:16:5757:289:1527:41
8:55
#21562
15K
9.32 mi12:45:431:26:149:1528:46
9:16
#21537
20K
12.43 mi13:14:261:54:579:1528:43
9:15
#21354
Half
13.11 mi13:20:422:01:139:156:16
9:11
#21326
25K
15.53 mi13:43:102:23:419:1522:28
9:16
#21119
30K
18.64 mi14:12:502:53:219:1829:40
9:33
#20819
20M
20.00 mi14:25:403:06:119:1912:50
9:27
#20636
21M
21.00 mi14:35:433:16:149:2110:03
10:03
#20488
35K
21.75 mi14:42:533:23:249:217:10
9:35
#20466
23M
23.00 mi14:54:563:35:279:2212:03
9:37
#20353
24M
24.00 mi15:04:103:44:419:229:14
9:14
#20275
40K
24.85 mi15:12:113:52:429:228:01
9:23
#20191
25.2M
25.20 mi15:15:373:56:089:223:26
9:57
#20139
Finish
26.22 mi15:24:254:04:569:218:48
8:38
#20028
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi223409046904621505(Top 81%)8500(Top 74%)8500(Top 468%)
10K6.21 mi3.10 mi21562+7788610+4368610+43620476(Top 77%)7960(Top 70%)7960(Top 438%)
15K9.32 mi3.11 mi21537+258578+328578+3221505(Top 81%)8500(Top 74%)8500(Top 468%)
20K12.43 mi3.11 mi21354+1838466+1128466+11220748(Top 78%)8086(Top 71%)8086(Top 445%)
Half13.11 mi0.68 mi21326+288446+208446+2021117(Top 79%)8311(Top 73%)8311(Top 457%)
25K15.53 mi2.42 mi21119+2078337+1098337+10920086(Top 75%)7744(Top 68%)7744(Top 426%)
30K18.64 mi3.11 mi20819+3008171+1668171+16619625(Top 74%)7548(Top 66%)7548(Top 415%)
20M20.00 mi1.36 mi20636+1838098+738098+7318663(Top 70%)7121(Top 62%)7121(Top 392%)
21M21.00 mi1.00 mi20488+1488026+728026+7218230(Top 68%)6895(Top 60%)6895(Top 379%)
35K21.75 mi0.75 mi20466+228021+58021+520106(Top 76%)7989(Top 70%)7989(Top 440%)
23M23.00 mi1.25 mi20353+1137970+517970+5118845(Top 71%)7319(Top 64%)7319(Top 403%)
24M24.00 mi1.00 mi20275+787934+367934+3618215(Top 68%)7022(Top 61%)7022(Top 386%)
40K24.85 mi0.85 mi20191+847897+377897+3717889(Top 67%)6897(Top 60%)6897(Top 380%)
25.2M25.20 mi0.35 mi20139+527874+237874+2317277(Top 65%)6603(Top 58%)6603(Top 363%)
Finish26.22 mi1.02 mi20028+1117812+627812+6216216(Top 61%)5958(Top 52%)5958(Top 328%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21505

Females

8500

F45-49

8500

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20476

Females

7960

F45-49

7960

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21505

Females

8500

F45-49

8500

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20748

Females

8086

F45-49

8086

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21117

Females

8311

F45-49

8311

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20086

Females

7744

F45-49

7744

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19625

Females

7548

F45-49

7548

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18663

Females

7121

F45-49

7121

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18230

Females

6895

F45-49

6895

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20106

Females

7989

F45-49

7989

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18845

Females

7319

F45-49

7319

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18215

Females

7022

F45-49

7022

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17889

Females

6897

F45-49

6897

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17277

Females

6603

F45-49

6603

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16216

Females

5958

F45-49

5958

Passing Analysis

Category:
Athletes Passed
2720
Passed By
408
Net Change
+2312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22340
5K → 10K81436+778#22340#21562
10K → 15K182157+25#21562#21537
15K → 20K24461+183#21537#21354
20K → Half4214+28#21354#21326
Half → 25K22821+207#21326#21119
25K → 30K32828+300#21119#20819
30K → 20M1896+183#20819#20636
20M → 21M1579+148#20636#20488
21M → 35K5230+22#20488#20466
35K → 23M13320+113#20466#20353
23M → 24M9012+78#20353#20275
24M → 40K895+84#20275#20191
40K → 25.2M553+52#20191#20139
25.2M → Finish1176+111#20139#20028
TOTALS2720408+2312
📊

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