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BOSTON MARATHON 2023

Barbara Rossi

Bib: 22570•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F50-54)
#0 / 1207
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:28
Rank: #15471
Start → 5K
25:28 | 8:12/mi
10K· 6.21 mi
50:52
Rank: #15728 (-257)
5K → 10K
25:24 | 8:11/mi
15K· 9.32 mi
1:16:29
Rank: #15876 (-148)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:17
Rank: #15793 (+83)
15K → 20K
25:48 | 8:18/mi
Half· 13.11 mi
1:47:55
Rank: #15805 (-12)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:08:09
Rank: #15688 (+117)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:35:25
Rank: #15739 (-51)
25K → 30K
27:16 | 8:47/mi
20M
2:47:40
Rank: #15770 (-31)
30K → 20M
12:15 | 9:01/mi
21M
2:57:27
Rank: #15868 (-98)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:03:50
Rank: #15817 (+51)
21M → 35K
6:23 | 8:32/mi
23M
3:14:51
Rank: #15749 (+68)
35K → 23M
11:01 | 8:48/mi
24M
3:23:28
Rank: #15726 (+23)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:31:03
Rank: #15716 (+10)
24M → 40K
7:35 | 8:52/mi
25.2M
3:34:22
Rank: #15720 (-4)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:43:09
Rank: #15716 (+4)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:55
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5425:288:1225:28
8:12
-
10K
6.21 mi11:45:1850:528:1125:24
8:11
-0:01
15K
9.32 mi12:10:551:16:298:1225:37
8:15
+0:04
20K
12.43 mi12:36:431:42:178:1425:48
8:18
+0:03
Half
13.11 mi12:42:211:47:558:145:38
8:15
-0:03
25K
15.53 mi13:02:352:08:098:1520:14
8:21
+0:06
30K
18.64 mi13:29:512:35:258:2027:16
8:47
+0:26
20M
20.00 mi13:42:062:47:408:2312:15
9:01
+0:14
21M
21.00 mi13:51:532:57:278:279:47
9:47
+0:46
35K
21.75 mi13:58:163:03:508:276:23
8:32
-1:15
23M
23.00 mi14:09:173:14:518:2811:01
8:48
+0:16
24M
24.00 mi14:17:543:23:288:298:37
8:37
-0:11
40K
24.85 mi14:25:293:31:038:297:35
8:52
+0:15
25.2M
25.20 mi14:28:483:34:228:303:19
9:37
+0:45
Finish
26.22 mi14:37:353:43:098:318:47
8:37
-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

8:11 /mi

Average Pace

8:31 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:48

89% of race

Time at Steady Pace

15:34

7% of race

Time at Slower Pace

9:47

4% of race

Average Pace: 8:31 /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 mi11:19:5425:288:1225:28
8:12
#15471
10K
6.21 mi11:45:1850:528:1125:24
8:11
#15728
15K
9.32 mi12:10:551:16:298:1225:37
8:15
#15876
20K
12.43 mi12:36:431:42:178:1425:48
8:18
#15793
Half
13.11 mi12:42:211:47:558:145:38
8:15
#15805
25K
15.53 mi13:02:352:08:098:1520:14
8:21
#15688
30K
18.64 mi13:29:512:35:258:2027:16
8:47
#15739
20M
20.00 mi13:42:062:47:408:2312:15
9:01
#15770
21M
21.00 mi13:51:532:57:278:279:47
9:47
#15868
35K
21.75 mi13:58:163:03:508:276:23
8:32
#15817
23M
23.00 mi14:09:173:14:518:2811:01
8:48
#15749
24M
24.00 mi14:17:543:23:288:298:37
8:37
#15726
40K
24.85 mi14:25:293:31:038:297:35
8:52
#15716
25.2M
25.20 mi14:28:483:34:228:303:19
9:37
#15720
Finish
26.22 mi14:37:353:43:098:318:47
8:37
#15716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi154714946494616197(Top 61%)5413(Top 47%)5413(Top 448%)
10K6.21 mi3.10 mi15728-2575112-1665112-16616090(Top 60%)5332(Top 47%)5332(Top 442%)
15K9.32 mi3.11 mi15876-1485203-915203-9116197(Top 61%)5413(Top 47%)5413(Top 448%)
20K12.43 mi3.11 mi15793+835178+255178+2515642(Top 59%)5122(Top 45%)5122(Top 424%)
Half13.11 mi0.68 mi15805-125190-125190-1216241(Top 61%)5442(Top 48%)5442(Top 451%)
25K15.53 mi2.42 mi15688+1175143+475143+4715242(Top 57%)4986(Top 44%)4986(Top 413%)
30K18.64 mi3.11 mi15739-515218-755218-7515916(Top 60%)5450(Top 48%)5450(Top 452%)
20M20.00 mi1.36 mi15770-315254-365254-3616627(Top 62%)5929(Top 52%)5929(Top 491%)
21M21.00 mi1.00 mi15868-985335-815335-8117203(Top 65%)6303(Top 55%)6303(Top 522%)
35K21.75 mi0.75 mi15817+515325+105325+1015507(Top 58%)5413(Top 47%)5413(Top 448%)
23M23.00 mi1.25 mi15749+685315+105315+1015005(Top 56%)5176(Top 45%)5176(Top 429%)
24M24.00 mi1.00 mi15726+235316-15316-115187(Top 57%)5338(Top 47%)5338(Top 442%)
40K24.85 mi0.85 mi15716+105311+55311+515474(Top 58%)5568(Top 49%)5568(Top 461%)
25.2M25.20 mi0.35 mi15720-45315-45315-415779(Top 59%)5735(Top 50%)5735(Top 475%)
Finish26.22 mi1.02 mi15716+45323-85323-816100(Top 60%)5872(Top 51%)5872(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16197

Females

5413

F50-54

5413

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16090

Females

5332

F50-54

5332

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16197

Females

5413

F50-54

5413

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15642

Females

5122

F50-54

5122

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16241

Females

5442

F50-54

5442

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15242

Females

4986

F50-54

4986

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

15916

Females

5450

F50-54

5450

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16627

Females

5929

F50-54

5929

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17203

Females

6303

F50-54

6303

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15507

Females

5413

F50-54

5413

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15005

Females

5176

F50-54

5176

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15187

Females

5338

F50-54

5338

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15474

Females

5568

F50-54

5568

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15779

Females

5735

F50-54

5735

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16100

Females

5872

F50-54

5872

Passing Analysis

Category:
Athletes Passed
1469
Passed By
1714
Net Change
-245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15471
5K → 10K202459-257#15471#15728
10K → 15K129277-148#15728#15876
15K → 20K210127+83#15876#15793
20K → Half3143-12#15793#15805
Half → 25K18568+117#15805#15688
25K → 30K155206-51#15688#15739
30K → 20M75106-31#15739#15770
20M → 21M57155-98#15770#15868
21M → 35K7827+51#15868#15817
35K → 23M10739+68#15817#15749
23M → 24M8259+23#15749#15726
24M → 40K6656+10#15726#15716
40K → 25.2M2832-4#15716#15720
25.2M → Finish6460+4#15720#15716
TOTALS14691714-245
📊

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