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BOSTON MARATHON 2023

Lisa Raetz

Bib: 18245•F

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0:00
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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
26:57
Rank: #18718
Start → 5K
8:40/mi
26:57 split
10K· 6.21 mi
53:28
Rank: #18547 (+171)
5K → 10K
8:32/mi
26:31 split
15K· 9.32 mi
1:20:10
Rank: #18487 (+60)
10K → 15K
8:36/mi
26:42 split
20K· 12.43 mi
1:47:37
Rank: #18572 (-85)
15K → 20K
8:50/mi
27:27 split
Half· 13.11 mi
1:53:27
Rank: #18544 (+28)
20K → Half
8:33/mi
5:50 split
25K· 15.53 mi
2:14:35
Rank: #18362 (+182)
Half → 25K
8:43/mi
21:08 split
30K· 18.64 mi
2:42:32
Rank: #18105 (+257)
25K → 30K
9:00/mi
27:57 split
20M
2:54:59
Rank: #18029 (+76)
30K → 20M
9:10/mi
12:27 split
21M
3:05:06
Rank: #18051 (-22)
20M → 21M
10:07/mi
10:07 split
35K· 21.75 mi
3:11:35
Rank: #17998 (+53)
21M → 35K
8:40/mi
6:29 split
23M
3:22:59
Rank: #17917 (+81)
35K → 23M
9:06/mi
11:24 split
24M
3:31:44
Rank: #17851 (+66)
23M → 24M
8:45/mi
8:45 split
40K· 24.85 mi
3:39:19
Rank: #17758 (+93)
24M → 40K
8:52/mi
7:35 split
25.2M
3:42:37
Rank: #17727 (+31)
40K → 25.2M
9:34/mi
3:18 split
Finish· 26.22 mi
3:51:21
Rank: #17642 (+85)
25.2M → Finish
8:34/mi
8:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:57:54
Pace9:00 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0926:578:4026:57
8:40
-
10K
6.21 mi11:44:4053:288:3626:31
8:32
-0:08
15K
9.32 mi12:11:221:20:108:3626:42
8:36
+0:04
20K
12.43 mi12:38:491:47:378:4027:27
8:50
+0:14
Half
13.11 mi12:44:391:53:278:395:50
8:33
-0:17
25K
15.53 mi13:05:472:14:358:4021:08
8:43
+0:10
30K
18.64 mi13:33:442:42:328:4327:57
9:00
+0:17
20M
20.00 mi13:46:112:54:598:4512:27
9:10
+0:10
21M
21.00 mi13:56:183:05:068:4910:07
10:07
+0:57
35K
21.75 mi14:02:473:11:358:496:29
8:40
-1:27
23M
23.00 mi14:14:113:22:598:5011:24
9:06
+0:26
24M
24.00 mi14:22:563:31:448:498:45
8:45
-0:21
40K
24.85 mi14:30:313:39:198:497:35
8:52
+0:07
25.2M
25.20 mi14:33:493:42:378:503:18
9:34
+0:42
Finish
26.22 mi14:42:333:51:218:508:44
8:34
-1:00

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

8:32 /mi

Average Pace

8:50 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:56

94% of race

Time at Steady Pace

3:18

1% of race

Time at Slower Pace

10:07

4% of race

Average Pace: 8:49 /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 mi11:18:0926:578:4026:57
8:40
#18718
10K
6.21 mi11:44:4053:288:3626:31
8:32
#18547
15K
9.32 mi12:11:221:20:108:3626:42
8:36
#18487
20K
12.43 mi12:38:491:47:378:4027:27
8:50
#18572
Half
13.11 mi12:44:391:53:278:395:50
8:33
#18544
25K
15.53 mi13:05:472:14:358:4021:08
8:43
#18362
30K
18.64 mi13:33:442:42:328:4327:57
9:00
#18105
20M
20.00 mi13:46:112:54:598:4512:27
9:10
#18029
21M
21.00 mi13:56:183:05:068:4910:07
10:07
#18051
35K
21.75 mi14:02:473:11:358:496:29
8:40
#17998
23M
23.00 mi14:14:113:22:598:5011:24
9:06
#17917
24M
24.00 mi14:22:563:31:448:498:45
8:45
#17851
40K
24.85 mi14:30:313:39:198:497:35
8:52
#17758
25.2M
25.20 mi14:33:493:42:378:503:18
9:34
#17727
Finish
26.22 mi14:42:333:51:218:508:44
8:34
#17642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187187014701418410(Top 69%)6742(Top 59%)6742(Top 138%)
10K6.21 mi3.10 mi18547+1716855+1596855+15918469(Top 69%)6749(Top 59%)6749(Top 138%)
15K9.32 mi3.11 mi18487+606809+466809+4618410(Top 69%)6742(Top 59%)6742(Top 138%)
20K12.43 mi3.11 mi18572-856847-386847-3818859(Top 71%)7001(Top 61%)7001(Top 143%)
Half13.11 mi0.68 mi18544+286830+176830+1718040(Top 68%)6504(Top 57%)6504(Top 133%)
25K15.53 mi2.42 mi18362+1826744+866744+8617476(Top 66%)6269(Top 55%)6269(Top 128%)
30K18.64 mi3.11 mi18105+2576630+1146630+11417161(Top 64%)6168(Top 54%)6168(Top 126%)
20M20.00 mi1.36 mi18029+766605+256605+2517376(Top 65%)6375(Top 56%)6375(Top 131%)
21M21.00 mi1.00 mi18051-226622-176622-1718463(Top 69%)7031(Top 62%)7031(Top 144%)
35K21.75 mi0.75 mi17998+536596+266596+2616283(Top 61%)5868(Top 51%)5868(Top 120%)
23M23.00 mi1.25 mi17917+816569+276569+2716586(Top 62%)6075(Top 53%)6075(Top 124%)
24M24.00 mi1.00 mi17851+666538+316538+3115969(Top 60%)5797(Top 51%)5797(Top 119%)
40K24.85 mi0.85 mi17758+936489+496489+4915492(Top 58%)5586(Top 49%)5586(Top 114%)
25.2M25.20 mi0.35 mi17727+316479+106479+1015591(Top 59%)5652(Top 49%)5652(Top 116%)
Finish26.22 mi1.02 mi17642+856442+376442+3715857(Top 60%)5736(Top 50%)5736(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18410

Females

6742

F18-39

6742

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18469

Females

6749

F18-39

6749

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18410

Females

6742

F18-39

6742

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18859

Females

7001

F18-39

7001

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18040

Females

6504

F18-39

6504

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17476

Females

6269

F18-39

6269

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

17161

Females

6168

F18-39

6168

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17376

Females

6375

F18-39

6375

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18463

Females

7031

F18-39

7031

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16283

Females

5868

F18-39

5868

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16586

Females

6075

F18-39

6075

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15969

Females

5797

F18-39

5797

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15492

Females

5586

F18-39

5586

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15591

Females

5652

F18-39

5652

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15857

Females

5736

F18-39

5736

Passing Analysis

Category:
Athletes Passed
2131
Passed By
1055
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18718
5K → 10K446275+171#18718#18547
10K → 15K204144+60#18547#18487
15K → 20K124209-85#18487#18572
20K → Half4416+28#18572#18544
Half → 25K23048+182#18544#18362
25K → 30K32871+257#18362#18105
30K → 20M12044+76#18105#18029
20M → 21M90112-22#18029#18051
21M → 35K7320+53#18051#17998
35K → 23M12342+81#17998#17917
23M → 24M9327+66#17917#17851
24M → 40K10916+93#17851#17758
40K → 25.2M354+31#17758#17727
25.2M → Finish11227+85#17727#17642
TOTALS21311055+1076
📊

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