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BOSTON MARATHON 2023

Renata Britto-Pereira

Bib: 20332•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F50-54)
#0 / 1207
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:37
Rank: #15786
Start → 5K
25:37 | 8:15/mi
10K· 6.21 mi
50:49
Rank: #15677 (+109)
5K → 10K
25:12 | 8:07/mi
15K· 9.32 mi
1:16:26
Rank: #15834 (-157)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:38
Rank: #15972 (-138)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:48:20
Rank: #16020 (-48)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:09:17
Rank: #16193 (-173)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:36:50
Rank: #16237 (-44)
25K → 30K
27:33 | 8:52/mi
20M
2:50:26
Rank: #16675 (-438)
30K → 20M
13:36 | 10:00/mi
21M
3:00:08
Rank: #16685 (-10)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:06:46
Rank: #16695 (-10)
21M → 35K
6:38 | 8:52/mi
23M
3:18:13
Rank: #16683 (+12)
35K → 23M
11:27 | 9:09/mi
24M
3:27:05
Rank: #16677 (+6)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:34:44
Rank: #16643 (+34)
24M → 40K
7:39 | 8:57/mi
25.2M
3:38:01
Rank: #16610 (+33)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:46:51
Rank: #16583 (+27)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:20
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5325:378:1525:37
8:15
-
10K
6.21 mi11:43:0550:498:1125:12
8:07
-0:08
15K
9.32 mi12:08:421:16:268:1225:37
8:15
+0:08
20K
12.43 mi12:34:541:42:388:1626:12
8:26
+0:11
Half
13.11 mi12:40:361:48:208:165:42
8:21
-0:05
25K
15.53 mi13:01:332:09:178:1920:57
8:38
+0:17
30K
18.64 mi13:29:062:36:508:2527:33
8:52
+0:14
20M
20.00 mi13:42:422:50:268:3113:36
10:00
+1:08
21M
21.00 mi13:52:243:00:088:359:42
9:42
-0:18
35K
21.75 mi13:59:023:06:468:356:38
8:52
-0:50
23M
23.00 mi14:10:293:18:138:3711:27
9:09
+0:17
24M
24.00 mi14:19:213:27:058:388:52
8:52
-0:17
40K
24.85 mi14:27:003:34:448:387:39
8:57
+0:05
25.2M
25.20 mi14:30:173:38:018:393:17
9:31
+0:34
Finish
26.22 mi14:39:073:46:518:408:50
8:40
-0:51

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

8:07 /mi

Average Pace

8:40 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:20

48% of race

Time at Steady Pace

1:20:29

35% of race

Time at Slower Pace

38:02

17% of race

Average Pace: 8:39 /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 mi11:17:5325:378:1525:37
8:15
#15786
10K
6.21 mi11:43:0550:498:1125:12
8:07
#15677
15K
9.32 mi12:08:421:16:268:1225:37
8:15
#15834
20K
12.43 mi12:34:541:42:388:1626:12
8:26
#15972
Half
13.11 mi12:40:361:48:208:165:42
8:21
#16020
25K
15.53 mi13:01:332:09:178:1920:57
8:38
#16193
30K
18.64 mi13:29:062:36:508:2527:33
8:52
#16237
20M
20.00 mi13:42:422:50:268:3113:36
10:00
#16675
21M
21.00 mi13:52:243:00:088:359:42
9:42
#16685
35K
21.75 mi13:59:023:06:468:356:38
8:52
#16695
23M
23.00 mi14:10:293:18:138:3711:27
9:09
#16683
24M
24.00 mi14:19:213:27:058:388:52
8:52
#16677
40K
24.85 mi14:27:003:34:448:387:39
8:57
#16643
25.2M
25.20 mi14:30:173:38:018:393:17
9:31
#16610
Finish
26.22 mi14:39:073:46:518:408:50
8:40
#16583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi157865146514616202(Top 61%)5418(Top 47%)5418(Top 449%)
10K6.21 mi3.10 mi15677+1095079+675079+6715605(Top 59%)5022(Top 44%)5022(Top 416%)
15K9.32 mi3.11 mi15834-1575175-965175-9616202(Top 61%)5418(Top 47%)5418(Top 449%)
20K12.43 mi3.11 mi15972-1385291-1165291-11616462(Top 62%)5626(Top 49%)5626(Top 466%)
Half13.11 mi0.68 mi16020-485327-365327-3616887(Top 63%)5833(Top 51%)5833(Top 483%)
25K15.53 mi2.42 mi16193-1735451-1245451-12417047(Top 64%)6031(Top 53%)6031(Top 500%)
30K18.64 mi3.11 mi16237-445526-755526-7516477(Top 62%)5775(Top 51%)5775(Top 478%)
20M20.00 mi1.36 mi16675-4385796-2705796-27020508(Top 77%)8135(Top 71%)8135(Top 674%)
21M21.00 mi1.00 mi16685-105811-155811-1516860(Top 63%)6107(Top 53%)6107(Top 506%)
35K21.75 mi0.75 mi16695-105818-75818-717294(Top 65%)6434(Top 56%)6434(Top 533%)
23M23.00 mi1.25 mi16683+125839-215839-2116784(Top 63%)6176(Top 54%)6176(Top 512%)
24M24.00 mi1.00 mi16677+65849-105849-1016609(Top 62%)6139(Top 54%)6139(Top 509%)
40K24.85 mi0.85 mi16643+345849584915897(Top 60%)5795(Top 51%)5795(Top 480%)
25.2M25.20 mi0.35 mi16610+335835+145835+1415350(Top 58%)5511(Top 48%)5511(Top 457%)
Finish26.22 mi1.02 mi16583+275829+65829+616353(Top 61%)6022(Top 53%)6022(Top 499%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16202

Females

5418

F50-54

5418

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15605

Females

5022

F50-54

5022

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16202

Females

5418

F50-54

5418

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16462

Females

5626

F50-54

5626

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16887

Females

5833

F50-54

5833

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17047

Females

6031

F50-54

6031

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16477

Females

5775

F50-54

5775

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20508

Females

8135

F50-54

8135

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16860

Females

6107

F50-54

6107

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17294

Females

6434

F50-54

6434

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16784

Females

6176

F50-54

6176

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16609

Females

6139

F50-54

6139

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15897

Females

5795

F50-54

5795

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15350

Females

5511

F50-54

5511

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16353

Females

6022

F50-54

6022

Passing Analysis

Category:
Athletes Passed
1379
Passed By
2176
Net Change
-797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15786
5K → 10K349240+109#15786#15677
10K → 15K126283-157#15677#15834
15K → 20K124262-138#15834#15972
20K → Half1866-48#15972#16020
Half → 25K99272-173#16020#16193
25K → 30K172216-44#16193#16237
30K → 20M17455-438#16237#16675
20M → 21M8090-10#16675#16685
21M → 35K4050-10#16685#16695
35K → 23M9785+12#16695#16683
23M → 24M6761+6#16683#16677
24M → 40K7440+34#16677#16643
40K → 25.2M5017+33#16643#16610
25.2M → Finish6639+27#16610#16583
TOTALS13792176-797
📊

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