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BOSTON MARATHON 2023

Jennifer Liechti

Bib: 15560•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 30%
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
24:59
Rank: #14321
Start → 5K
24:59 | 8:02/mi
10K· 6.21 mi
49:36
Rank: #14273 (+48)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:14:20
Rank: #14186 (+87)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:39:15
Rank: #14000 (+186)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:44:39
Rank: #13976 (+24)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:04:41
Rank: #14070 (-94)
Half → 25K
20:02 | 8:16/mi
30K· 18.64 mi
2:31:31
Rank: #14320 (-250)
25K → 30K
26:50 | 8:38/mi
20M
2:43:27
Rank: #14353 (-33)
30K → 20M
11:56 | 8:47/mi
21M
2:53:12
Rank: #14529 (-176)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
2:59:24
Rank: #14520 (+9)
21M → 35K
6:12 | 8:17/mi
23M
3:10:40
Rank: #14592 (-72)
35K → 23M
11:16 | 9:00/mi
24M
3:19:24
Rank: #14640 (-48)
23M → 24M
8:44 | 8:44/mi
40K· 24.85 mi
3:27:13
Rank: #14702 (-62)
24M → 40K
7:49 | 9:09/mi
25.2M
3:30:45
Rank: #14769 (-67)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:39:45
Rank: #14873 (-104)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:55:06
Pace8:47 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0924:598:0224:59
8:02
-
10K
6.21 mi11:19:4649:367:5924:37
7:55
-0:07
15K
9.32 mi11:44:301:14:207:5924:44
7:58
+0:03
20K
12.43 mi12:09:251:39:157:5924:55
8:01
+0:03
Half
13.11 mi12:14:491:44:397:595:24
7:55
-0:06
25K
15.53 mi12:34:512:04:418:0220:02
8:16
+0:21
30K
18.64 mi13:01:412:31:318:0826:50
8:38
+0:22
20M
20.00 mi13:13:372:43:278:1011:56
8:47
+0:09
21M
21.00 mi13:23:222:53:128:159:45
9:45
+0:58
35K
21.75 mi13:29:342:59:248:156:12
8:17
-1:28
23M
23.00 mi13:40:503:10:408:1711:16
9:00
+0:43
24M
24.00 mi13:49:343:19:248:198:44
8:44
-0:16
40K
24.85 mi13:57:233:27:138:207:49
9:09
+0:25
25.2M
25.20 mi14:00:553:30:458:223:32
10:15
+1:06
Finish
26.22 mi14:09:553:39:458:239:00
8:50
-1:25

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

8:23 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:53

60% of race

Time at Steady Pace

56:30

26% of race

Time at Slower Pace

32:22

15% of race

Average Pace: 8:23 /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 mi10:55:0924:598:0224:59
8:02
#14321
10K
6.21 mi11:19:4649:367:5924:37
7:55
#14273
15K
9.32 mi11:44:301:14:207:5924:44
7:58
#14186
20K
12.43 mi12:09:251:39:157:5924:55
8:01
#14000
Half
13.11 mi12:14:491:44:397:595:24
7:55
#13976
25K
15.53 mi12:34:512:04:418:0220:02
8:16
#14070
30K
18.64 mi13:01:412:31:318:0826:50
8:38
#14320
20M
20.00 mi13:13:372:43:278:1011:56
8:47
#14353
21M
21.00 mi13:23:222:53:128:159:45
9:45
#14529
35K
21.75 mi13:29:342:59:248:156:12
8:17
#14520
23M
23.00 mi13:40:503:10:408:1711:16
9:00
#14592
24M
24.00 mi13:49:343:19:248:198:44
8:44
#14640
40K
24.85 mi13:57:233:27:138:207:49
9:09
#14702
25.2M
25.20 mi14:00:553:30:458:223:32
10:15
#14769
Finish
26.22 mi14:09:553:39:458:239:00
8:50
#14873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi143214222422214085(Top 53%)4135(Top 36%)4135(Top 220%)
10K6.21 mi3.10 mi14273+484213+94213+914207(Top 53%)4185(Top 37%)4185(Top 223%)
15K9.32 mi3.11 mi14186+874167+464167+4614085(Top 53%)4135(Top 36%)4135(Top 220%)
20K12.43 mi3.11 mi14000+1864090+774090+7713629(Top 51%)3899(Top 34%)3899(Top 208%)
Half13.11 mi0.68 mi13976+244073+174073+1713784(Top 52%)3971(Top 35%)3971(Top 211%)
25K15.53 mi2.42 mi14070-944153-804153-8014707(Top 55%)4653(Top 41%)4653(Top 248%)
30K18.64 mi3.11 mi14320-2504341-1884341-18815153(Top 57%)5032(Top 44%)5032(Top 268%)
20M20.00 mi1.36 mi14353-334393-524393-5215326(Top 58%)5175(Top 45%)5175(Top 276%)
21M21.00 mi1.00 mi14529-1764510-1174510-11717056(Top 64%)6219(Top 54%)6219(Top 331%)
35K21.75 mi0.75 mi14520+94515-54515-514060(Top 53%)4596(Top 40%)4596(Top 245%)
23M23.00 mi1.25 mi14592-724581-664581-6616076(Top 60%)5783(Top 51%)5783(Top 308%)
24M24.00 mi1.00 mi14640-484645-644645-6415862(Top 60%)5727(Top 50%)5727(Top 305%)
40K24.85 mi0.85 mi14702-624702-574702-5716834(Top 63%)6299(Top 55%)6299(Top 335%)
25.2M25.20 mi0.35 mi14769-674753-514753-5118283(Top 69%)7092(Top 62%)7092(Top 378%)
Finish26.22 mi1.02 mi14873-1044832-794832-7917208(Top 65%)6485(Top 57%)6485(Top 345%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14085

Females

4135

F40-44

4135

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14207

Females

4185

F40-44

4185

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14085

Females

4135

F40-44

4135

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13629

Females

3899

F40-44

3899

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13784

Females

3971

F40-44

3971

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14707

Females

4653

F40-44

4653

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15153

Females

5032

F40-44

5032

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15326

Females

5175

F40-44

5175

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17056

Females

6219

F40-44

6219

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14060

Females

4596

F40-44

4596

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16076

Females

5783

F40-44

5783

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15862

Females

5727

F40-44

5727

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16834

Females

6299

F40-44

6299

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18283

Females

7092

F40-44

7092

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17208

Females

6485

F40-44

6485

Passing Analysis

Category:
Athletes Passed
1427
Passed By
1979
Net Change
-552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14321
5K → 10K305257+48#14321#14273
10K → 15K227140+87#14273#14186
15K → 20K26983+186#14186#14000
20K → Half4319+24#14000#13976
Half → 25K98192-94#13976#14070
25K → 30K118368-250#14070#14320
30K → 20M81114-33#14320#14353
20M → 21M32208-176#14353#14529
21M → 35K5142+9#14529#14520
35K → 23M56128-72#14520#14592
23M → 24M65113-48#14592#14640
24M → 40K42104-62#14640#14702
40K → 25.2M1380-67#14702#14769
25.2M → Finish27131-104#14769#14873
TOTALS14271979-552
📊

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