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BOSTON MARATHON 2023

Lisie Romanzini

Bib: 16338•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 18%
Division (F40-44)
#0 / 1878
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #12035
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
48:05
Rank: #12180 (-145)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:12:54
Rank: #12893 (-713)
10K → 15K
24:49 | 7:59/mi
20K· 12.43 mi
1:37:56
Rank: #13136 (-243)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:43:25
Rank: #13219 (-83)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:02:58
Rank: #13192 (+27)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:28:44
Rank: #13135 (+57)
25K → 30K
25:46 | 8:18/mi
20M
2:39:58
Rank: #13041 (+94)
30K → 20M
11:14 | 8:16/mi
21M
2:48:43
Rank: #12934 (+107)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:54:45
Rank: #12916 (+18)
21M → 35K
6:02 | 8:04/mi
23M
3:05:11
Rank: #12856 (+60)
35K → 23M
10:26 | 8:20/mi
24M
3:13:35
Rank: #12885 (-29)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:20:43
Rank: #12848 (+37)
24M → 40K
7:08 | 8:21/mi
25.2M
3:23:48
Rank: #12841 (+7)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:31:55
Rank: #12788 (+53)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:48:30
Pace8:17 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4124:077:4624:07
7:46
-
10K
6.21 mi11:38:3948:057:4423:58
7:43
-0:03
15K
9.32 mi12:03:281:12:547:4924:49
7:59
+0:16
20K
12.43 mi12:28:301:37:567:5325:02
8:03
+0:04
Half
13.11 mi12:33:591:43:257:535:29
8:02
-0:01
25K
15.53 mi12:53:322:02:587:5519:33
8:04
+0:02
30K
18.64 mi13:19:182:28:447:5925:46
8:18
+0:14
20M
20.00 mi13:30:322:39:588:0011:14
8:16
-0:02
21M
21.00 mi13:39:172:48:438:028:45
8:45
+0:29
35K
21.75 mi13:45:192:54:458:026:02
8:04
-0:41
23M
23.00 mi13:55:453:05:118:0310:26
8:20
+0:16
24M
24.00 mi14:04:093:13:358:048:24
8:24
+0:04
40K
24.85 mi14:11:173:20:438:057:08
8:21
-0:03
25.2M
25.20 mi14:14:223:23:488:053:05
8:56
+0:35
Finish
26.22 mi14:22:293:31:558:058:07
7:58
-0:58

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

7:43 /mi

Average Pace

8:05 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:05

94% of race

Time at Steady Pace

11:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi11:14:4124:077:4624:07
7:46
#12035
10K
6.21 mi11:38:3948:057:4423:58
7:43
#12180
15K
9.32 mi12:03:281:12:547:4924:49
7:59
#12893
20K
12.43 mi12:28:301:37:567:5325:02
8:03
#13136
Half
13.11 mi12:33:591:43:257:535:29
8:02
#13219
25K
15.53 mi12:53:322:02:587:5519:33
8:04
#13192
30K
18.64 mi13:19:182:28:447:5925:46
8:18
#13135
20M
20.00 mi13:30:322:39:588:0011:14
8:16
#13041
21M
21.00 mi13:39:172:48:438:028:45
8:45
#12934
35K
21.75 mi13:45:192:54:458:026:02
8:04
#12916
23M
23.00 mi13:55:453:05:118:0310:26
8:20
#12856
24M
24.00 mi14:04:093:13:358:048:24
8:24
#12885
40K
24.85 mi14:11:173:20:438:057:08
8:21
#12848
25.2M
25.20 mi14:14:223:23:488:053:05
8:56
#12841
Finish
26.22 mi14:22:293:31:558:058:07
7:58
#12788
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi120352891289114298(Top 54%)4255(Top 37%)4255(Top 227%)
10K6.21 mi3.10 mi12180-1452966-752966-7512394(Top 47%)3089(Top 27%)3089(Top 164%)
15K9.32 mi3.11 mi12893-7133395-4293395-42914298(Top 54%)4255(Top 37%)4255(Top 227%)
20K12.43 mi3.11 mi13136-2433569-1743569-17413902(Top 52%)4049(Top 35%)4049(Top 216%)
Half13.11 mi0.68 mi13219-833614-453614-4514676(Top 55%)4472(Top 39%)4472(Top 238%)
25K15.53 mi2.42 mi13192+273608+63608+613262(Top 50%)3783(Top 33%)3783(Top 201%)
30K18.64 mi3.11 mi13135+573630-223630-2213000(Top 49%)3759(Top 33%)3759(Top 200%)
20M20.00 mi1.36 mi13041+943593+373593+3712158(Top 46%)3366(Top 29%)3366(Top 179%)
21M21.00 mi1.00 mi12934+1073548+453548+4511991(Top 45%)3393(Top 30%)3393(Top 181%)
35K21.75 mi0.75 mi12916+183559-113559-1112600(Top 47%)3761(Top 33%)3761(Top 200%)
23M23.00 mi1.25 mi12856+603543+163543+1612155(Top 46%)3605(Top 32%)3605(Top 192%)
24M24.00 mi1.00 mi12885-293583-403583-4013885(Top 52%)4600(Top 40%)4600(Top 245%)
40K24.85 mi0.85 mi12848+373580+33580+312364(Top 46%)3864(Top 34%)3864(Top 206%)
25.2M25.20 mi0.35 mi12841+73582-23582-212225(Top 46%)3838(Top 34%)3838(Top 204%)
Finish26.22 mi1.02 mi12788+533580+23580+211899(Top 45%)3656(Top 32%)3656(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14298

Females

4255

F40-44

4255

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12394

Females

3089

F40-44

3089

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14298

Females

4255

F40-44

4255

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13902

Females

4049

F40-44

4049

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14676

Females

4472

F40-44

4472

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13262

Females

3783

F40-44

3783

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13000

Females

3759

F40-44

3759

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12158

Females

3366

F40-44

3366

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11991

Females

3393

F40-44

3393

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12600

Females

3761

F40-44

3761

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12155

Females

3605

F40-44

3605

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13885

Females

4600

F40-44

4600

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12364

Females

3864

F40-44

3864

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12225

Females

3838

F40-44

3838

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11899

Females

3656

F40-44

3656

Passing Analysis

Category:
Athletes Passed
1494
Passed By
2247
Net Change
-753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12035
5K → 10K230375-145#12035#12180
10K → 15K42755-713#12180#12893
15K → 20K110353-243#12893#13136
20K → Half1699-83#13136#13219
Half → 25K152125+27#13219#13192
25K → 30K218161+57#13192#13135
30K → 20M13945+94#13135#13041
20M → 21M15245+107#13041#12934
21M → 35K5638+18#12934#12916
35K → 23M11151+60#12916#12856
23M → 24M6594-29#12856#12885
24M → 40K8245+37#12885#12848
40K → 25.2M2720+7#12848#12841
25.2M → Finish9441+53#12841#12788
TOTALS14942247-753
📊

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