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BOSTON MARATHON 2023

Betsy Lyons

Bib: 20839•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #19760
Start → 5K
8:51/mi
27:30 split
10K· 6.21 mi
56:01
Rank: #20701 (-941)
5K → 10K
9:11/mi
28:31 split
15K· 9.32 mi
1:26:00
Rank: #21458 (-757)
10K → 15K
9:39/mi
29:59 split
20K· 12.43 mi
1:57:01
Rank: #21849 (-391)
15K → 20K
9:59/mi
31:01 split
Half· 13.11 mi
2:03:13
Rank: #21797 (+52)
20K → Half
9:05/mi
6:12 split
25K· 15.53 mi
2:27:19
Rank: #21845 (-48)
Half → 25K
9:56/mi
24:06 split
30K· 18.64 mi
2:58:52
Rank: #21731 (+114)
25K → 30K
10:09/mi
31:33 split
20M
3:11:57
Rank: #21582 (+149)
30K → 20M
9:38/mi
13:05 split
21M
3:22:27
Rank: #21468 (+114)
20M → 21M
10:30/mi
10:30 split
35K· 21.75 mi
3:29:46
Rank: #21442 (+26)
21M → 35K
9:47/mi
7:19 split
23M
3:42:24
Rank: #21354 (+88)
35K → 23M
10:05/mi
12:38 split
24M
3:52:02
Rank: #21275 (+79)
23M → 24M
9:38/mi
9:38 split
40K· 24.85 mi
4:00:42
Rank: #21228 (+47)
24M → 40K
10:08/mi
8:40 split
25.2M
4:04:09
Rank: #21172 (+56)
40K → 25.2M
10:00/mi
3:27 split
Finish· 26.22 mi
4:13:31
Rank: #21095 (+77)
25.2M → Finish
9:11/mi
9:22 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:13
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:10:18
Pace9:56 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1027:308:5127:30
8:51
-
10K
6.21 mi11:48:4156:019:0128:31
9:11
+0:20
15K
9.32 mi12:18:401:26:009:1429:59
9:39
+0:28
20K
12.43 mi12:49:411:57:019:2531:01
9:59
+0:20
Half
13.11 mi12:55:532:03:139:246:12
9:05
-0:54
25K
15.53 mi13:19:592:27:199:2924:06
9:56
+0:51
30K
18.64 mi13:51:322:58:529:3631:33
10:09
+0:13
20M
20.00 mi14:04:373:11:579:3613:05
9:38
-0:31
21M
21.00 mi14:15:073:22:279:3810:30
10:30
+0:52
35K
21.75 mi14:22:263:29:469:397:19
9:47
-0:43
23M
23.00 mi14:35:043:42:249:4012:38
10:05
+0:18
24M
24.00 mi14:44:423:52:029:409:38
9:38
-0:27
40K
24.85 mi14:53:224:00:429:418:40
10:08
+0:30
25.2M
25.20 mi14:56:494:04:099:413:27
10:00
-0:08
Finish
26.22 mi15:06:114:13:319:419:22
9:11
-0:49

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

8:51 /mi

Average Pace

9:41 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:17

49% of race

Time at Steady Pace

1:58:44

47% of race

Time at Slower Pace

10:30

4% of race

Average Pace: 9:40 /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 mi11:20:1027:308:5127:30
8:51
#19760
10K
6.21 mi11:48:4156:019:0128:31
9:11
#20701
15K
9.32 mi12:18:401:26:009:1429:59
9:39
#21458
20K
12.43 mi12:49:411:57:019:2531:01
9:59
#21849
Half
13.11 mi12:55:532:03:139:246:12
9:05
#21797
25K
15.53 mi13:19:592:27:199:2924:06
9:56
#21845
30K
18.64 mi13:51:322:58:529:3631:33
10:09
#21731
20M
20.00 mi14:04:373:11:579:3613:05
9:38
#21582
21M
21.00 mi14:15:073:22:279:3810:30
10:30
#21468
35K
21.75 mi14:22:263:29:469:397:19
9:47
#21442
23M
23.00 mi14:35:043:42:249:4012:38
10:05
#21354
24M
24.00 mi14:44:423:52:029:409:38
9:38
#21275
40K
24.85 mi14:53:224:00:429:418:40
10:08
#21228
25.2M
25.20 mi14:56:494:04:099:413:27
10:00
#21172
Finish
26.22 mi15:06:114:13:319:419:22
9:11
#21095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi197607674767422671(Top 85%)9171(Top 80%)9171(Top 488%)
10K6.21 mi3.10 mi20701-9418148-4748148-47421560(Top 81%)8579(Top 75%)8579(Top 457%)
15K9.32 mi3.11 mi21458-7578532-3848532-38422671(Top 85%)9171(Top 80%)9171(Top 488%)
20K12.43 mi3.11 mi21849-3918739-2078739-20722863(Top 86%)9283(Top 81%)9283(Top 494%)
Half13.11 mi0.68 mi21797+528708+318708+3120822(Top 78%)8146(Top 71%)8146(Top 434%)
25K15.53 mi2.42 mi21845-488737-298737-2922086(Top 83%)8882(Top 78%)8882(Top 473%)
30K18.64 mi3.11 mi21731+1148684+538684+5321431(Top 81%)8591(Top 75%)8591(Top 457%)
20M20.00 mi1.36 mi21582+1498612+728612+7219345(Top 73%)7487(Top 66%)7487(Top 399%)
21M21.00 mi1.00 mi21468+1148561+518561+5119618(Top 74%)7716(Top 68%)7716(Top 411%)
35K21.75 mi0.75 mi21442+268557+48557+420705(Top 78%)8336(Top 73%)8336(Top 444%)
23M23.00 mi1.25 mi21354+888523+348523+3420256(Top 76%)8112(Top 71%)8112(Top 432%)
24M24.00 mi1.00 mi21275+798495+288495+2819705(Top 74%)7814(Top 68%)7814(Top 416%)
40K24.85 mi0.85 mi21228+478476+198476+1920347(Top 76%)8252(Top 72%)8252(Top 439%)
25.2M25.20 mi0.35 mi21172+568450+268450+2617483(Top 66%)6716(Top 59%)6716(Top 358%)
Finish26.22 mi1.02 mi21095+778424+268424+2618908(Top 71%)7401(Top 65%)7401(Top 394%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22671

Females

9171

F40-44

9171

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21560

Females

8579

F40-44

8579

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22671

Females

9171

F40-44

9171

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22863

Females

9283

F40-44

9283

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20822

Females

8146

F40-44

8146

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22086

Females

8882

F40-44

8882

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21431

Females

8591

F40-44

8591

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19345

Females

7487

F40-44

7487

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19618

Females

7716

F40-44

7716

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20705

Females

8336

F40-44

8336

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20256

Females

8112

F40-44

8112

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19705

Females

7814

F40-44

7814

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20347

Females

8252

F40-44

8252

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17483

Females

6716

F40-44

6716

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18908

Females

7401

F40-44

7401

Passing Analysis

Category:
Athletes Passed
1185
Passed By
2520
Net Change
-1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19760
5K → 10K48989-941#19760#20701
10K → 15K22779-757#20701#21458
15K → 20K32423-391#21458#21849
20K → Half608+52#21849#21797
Half → 25K77125-48#21797#21845
25K → 30K19783+114#21845#21731
30K → 20M1523+149#21731#21582
20M → 21M13218+114#21582#21468
21M → 35K4721+26#21468#21442
35K → 23M11022+88#21442#21354
23M → 24M9112+79#21354#21275
24M → 40K7124+47#21275#21228
40K → 25.2M560+56#21228#21172
25.2M → Finish9013+77#21172#21095
TOTALS11852520-1335
📊

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