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BOSTON MARATHON 2023

Tanya Leisk

Bib: 21040•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
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
26:04
Rank: #16818
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
52:26
Rank: #17464 (-646)
5K → 10K
26:22 | 8:29/mi
15K· 9.32 mi
1:18:32
Rank: #17370 (+94)
10K → 15K
26:06 | 8:24/mi
20K· 12.43 mi
1:45:07
Rank: #17310 (+60)
15K → 20K
26:35 | 8:33/mi
Half· 13.11 mi
1:50:51
Rank: #17302 (+8)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:12:03
Rank: #17325 (-23)
Half → 25K
21:12 | 8:45/mi
30K· 18.64 mi
2:39:54
Rank: #17227 (+98)
25K → 30K
27:51 | 8:58/mi
20M
2:52:10
Rank: #17187 (+40)
30K → 20M
12:16 | 9:02/mi
21M
3:02:16
Rank: #17267 (-80)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:08:45
Rank: #17224 (+43)
21M → 35K
6:29 | 8:40/mi
23M
3:20:12
Rank: #17199 (+25)
35K → 23M
11:27 | 9:09/mi
24M
3:28:58
Rank: #17129 (+70)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:36:35
Rank: #17083 (+46)
24M → 40K
7:37 | 8:54/mi
25.2M
3:39:55
Rank: #17063 (+20)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:49:18
Rank: #17185 (-122)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:51
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:58:27
Pace9:02 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4626:048:2326:04
8:23
-
10K
6.21 mi11:45:0852:268:2626:22
8:29
+0:06
15K
9.32 mi12:11:141:18:328:2626:06
8:24
-0:05
20K
12.43 mi12:37:491:45:078:2826:35
8:33
+0:09
Half
13.11 mi12:43:331:50:518:275:44
8:24
-0:09
25K
15.53 mi13:04:452:12:038:3021:12
8:45
+0:21
30K
18.64 mi13:32:362:39:548:3527:51
8:58
+0:13
20M
20.00 mi13:44:522:52:108:3612:16
9:02
+0:04
21M
21.00 mi13:54:583:02:168:4110:06
10:06
+1:04
35K
21.75 mi14:01:273:08:458:416:29
8:40
-1:26
23M
23.00 mi14:12:543:20:128:4211:27
9:09
+0:29
24M
24.00 mi14:21:403:28:588:428:46
8:46
-0:23
40K
24.85 mi14:29:173:36:358:437:37
8:54
+0:08
25.2M
25.20 mi14:32:373:39:558:443:20
9:40
+0:46
Finish
26.22 mi14:42:003:49:188:459:23
9:12
-0:28

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

8:23 /mi

Average Pace

8:45 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:16

37% of race

Time at Steady Pace

1:38:30

43% of race

Time at Slower Pace

46:32

20% of race

Average Pace: 8:45 /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 mi11:18:4626:048:2326:04
8:23
#16818
10K
6.21 mi11:45:0852:268:2626:22
8:29
#17464
15K
9.32 mi12:11:141:18:328:2626:06
8:24
#17370
20K
12.43 mi12:37:491:45:078:2826:35
8:33
#17310
Half
13.11 mi12:43:331:50:518:275:44
8:24
#17302
25K
15.53 mi13:04:452:12:038:3021:12
8:45
#17325
30K
18.64 mi13:32:362:39:548:3527:51
8:58
#17227
20M
20.00 mi13:44:522:52:108:3612:16
9:02
#17187
21M
21.00 mi13:54:583:02:168:4110:06
10:06
#17267
35K
21.75 mi14:01:273:08:458:416:29
8:40
#17224
23M
23.00 mi14:12:543:20:128:4211:27
9:09
#17199
24M
24.00 mi14:21:403:28:588:428:46
8:46
#17129
40K
24.85 mi14:29:173:36:358:437:37
8:54
#17083
25.2M
25.20 mi14:32:373:39:558:443:20
9:40
#17063
Finish
26.22 mi14:42:003:49:188:459:23
9:12
#17185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168185808580817162(Top 64%)6025(Top 53%)6025(Top 332%)
10K6.21 mi3.10 mi17464-6466206-3986206-39818177(Top 68%)6581(Top 58%)6581(Top 362%)
15K9.32 mi3.11 mi17370+946137+696137+6917162(Top 64%)6025(Top 53%)6025(Top 332%)
20K12.43 mi3.11 mi17310+606114+236114+2317222(Top 65%)6062(Top 53%)6062(Top 334%)
Half13.11 mi0.68 mi17302+86104+106104+1017200(Top 65%)6016(Top 53%)6016(Top 331%)
25K15.53 mi2.42 mi17325-236135-316135-3117630(Top 66%)6353(Top 56%)6353(Top 350%)
30K18.64 mi3.11 mi17227+986093+426093+4216985(Top 64%)6055(Top 53%)6055(Top 333%)
20M20.00 mi1.36 mi17187+406093609316708(Top 63%)5981(Top 52%)5981(Top 329%)
21M21.00 mi1.00 mi17267-806153-606153-6018393(Top 69%)6991(Top 61%)6991(Top 385%)
35K21.75 mi0.75 mi17224+436140+136140+1316276(Top 61%)5861(Top 51%)5861(Top 323%)
23M23.00 mi1.25 mi17199+256134+66134+616790(Top 63%)6182(Top 54%)6182(Top 340%)
24M24.00 mi1.00 mi17129+706116+186116+1816052(Top 60%)5839(Top 51%)5839(Top 321%)
40K24.85 mi0.85 mi17083+466109+76109+715691(Top 59%)5683(Top 50%)5683(Top 313%)
25.2M25.20 mi0.35 mi17063+206097+126097+1216014(Top 60%)5878(Top 51%)5878(Top 324%)
Finish26.22 mi1.02 mi17185-1226174-776174-7718967(Top 71%)7419(Top 65%)7419(Top 408%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17162

Females

6025

F45-49

6025

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18177

Females

6581

F45-49

6581

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17162

Females

6025

F45-49

6025

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17222

Females

6062

F45-49

6062

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17200

Females

6016

F45-49

6016

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17630

Females

6353

F45-49

6353

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16985

Females

6055

F45-49

6055

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16708

Females

5981

F45-49

5981

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18393

Females

6991

F45-49

6991

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16276

Females

5861

F45-49

5861

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16790

Females

6182

F45-49

6182

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16052

Females

5839

F45-49

5839

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15691

Females

5683

F45-49

5683

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16014

Females

5878

F45-49

5878

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18967

Females

7419

F45-49

7419

Passing Analysis

Category:
Athletes Passed
1464
Passed By
1831
Net Change
-367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16818
5K → 10K105751-646#16818#17464
10K → 15K241147+94#17464#17370
15K → 20K191131+60#17370#17310
20K → Half3729+8#17310#17302
Half → 25K116139-23#17302#17325
25K → 30K216118+98#17325#17227
30K → 20M9353+40#17227#17187
20M → 21M65145-80#17187#17267
21M → 35K6522+43#17267#17224
35K → 23M9671+25#17224#17199
23M → 24M9929+70#17199#17129
24M → 40K7630+46#17129#17083
40K → 25.2M3313+20#17083#17063
25.2M → Finish31153-122#17063#17185
TOTALS14641831-367
📊

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