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BOSTON MARATHON 2023

Melyssa Brochu

Bib: 19510•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:40
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:42:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:48:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:09:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:37:22
↑ 181↓ 1480.2%
20M
9:13/mi
2:49:53
↑ 64↓ 500.2%
21M
9:32/mi
2:59:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:06:20
↑ 17↓ 861.7%
23M
9:24/mi
3:18:06
↑ 23↓ 630.6%
24M
9:24/mi
3:27:30
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:35:33
↓ 200.3%
25.2M
9:54/mi
3:38:58
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:47:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:28
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:59:09
Pace9:05 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0125:508:1925:50
8:19
-
10K
6.21 mi11:43:3151:208:1625:30
8:12
-0:07
15K
9.32 mi12:08:511:16:408:1425:20
8:09
-0:03
20K
12.43 mi12:34:561:42:458:1626:05
8:24
+0:15
Half
13.11 mi12:40:391:48:288:165:43
8:23
-0:01
25K
15.53 mi13:01:212:09:108:1920:42
8:32
+0:09
30K
18.64 mi13:29:332:37:228:2728:12
9:05
+0:33
20M
20.00 mi13:42:042:49:538:3012:31
9:13
+0:08
21M
21.00 mi13:51:362:59:258:339:32
9:32
+0:19
35K
21.75 mi13:58:313:06:208:346:55
9:15
-0:17
23M
23.00 mi14:10:173:18:068:3711:46
9:24
+0:09
24M
24.00 mi14:19:413:27:308:399:24
9:24
0:00
40K
24.85 mi14:27:443:35:338:408:03
9:25
+0:01
25.2M
25.20 mi14:31:093:38:588:413:25
9:54
+0:29
Finish
26.22 mi14:39:483:47:378:418:39
8:29
-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

8:09 /mi

Average Pace

8:41 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:49

61% of race

Time at Steady Pace

47:38

21% of race

Time at Slower Pace

42:10

19% of race

Average Pace: 8:41 /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 mi11:18:0125:508:1925:50
8:19
#16272
10K
6.21 mi11:43:3151:208:1625:30
8:12
#16252
15K
9.32 mi12:08:511:16:408:1425:20
8:09
#16010
20K
12.43 mi12:34:561:42:458:1626:05
8:24
#16046
Half
13.11 mi12:40:391:48:288:165:43
8:23
#16091
25K
15.53 mi13:01:212:09:108:1920:42
8:32
#16141
30K
18.64 mi13:29:332:37:228:2728:12
9:05
#16423
20M
20.00 mi13:42:042:49:538:3012:31
9:13
#16493
21M
21.00 mi13:51:362:59:258:339:32
9:32
#16447
35K
21.75 mi13:58:313:06:208:346:55
9:15
#16574
23M
23.00 mi14:10:173:18:068:3711:46
9:24
#16660
24M
24.00 mi14:19:413:27:308:399:24
9:24
#16785
40K
24.85 mi14:27:443:35:338:408:03
9:25
#16834
25.2M
25.20 mi14:31:093:38:588:413:25
9:54
#16843
Finish
26.22 mi14:39:483:47:378:418:39
8:29
#16777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi162725453545315551(Top 58%)5016(Top 44%)5016(Top 267%)
10K6.21 mi3.10 mi16252+205428+255428+2516321(Top 61%)5467(Top 48%)5467(Top 291%)
15K9.32 mi3.11 mi16010+2425288+1405288+14015551(Top 58%)5016(Top 44%)5016(Top 267%)
20K12.43 mi3.11 mi16046-365335-475335-4716232(Top 61%)5492(Top 48%)5492(Top 292%)
Half13.11 mi0.68 mi16091-455371-365371-3617048(Top 64%)5927(Top 52%)5927(Top 316%)
25K15.53 mi2.42 mi16141-505422-515422-5116435(Top 62%)5690(Top 50%)5690(Top 303%)
30K18.64 mi3.11 mi16423-2825642-2205642-22017578(Top 66%)6399(Top 56%)6399(Top 341%)
20M20.00 mi1.36 mi16493-705694-525694-5217602(Top 66%)6514(Top 57%)6514(Top 347%)
21M21.00 mi1.00 mi16447+465679+155679+1516139(Top 61%)5706(Top 50%)5706(Top 304%)
35K21.75 mi0.75 mi16574-1275759-805759-8018933(Top 71%)7346(Top 64%)7346(Top 391%)
23M23.00 mi1.25 mi16660-865828-695828-6917936(Top 67%)6826(Top 60%)6826(Top 363%)
24M24.00 mi1.00 mi16785-1255916-885916-8818858(Top 71%)7361(Top 64%)7361(Top 392%)
40K24.85 mi0.85 mi16834-495967-515967-5118031(Top 68%)6960(Top 61%)6960(Top 371%)
25.2M25.20 mi0.35 mi16843-95972-55972-517053(Top 64%)6445(Top 56%)6445(Top 343%)
Finish26.22 mi1.02 mi16777+665949+235949+2315384(Top 58%)5477(Top 48%)5477(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15551

Females

5016

F40-44

5016

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16321

Females

5467

F40-44

5467

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15551

Females

5016

F40-44

5016

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16232

Females

5492

F40-44

5492

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17048

Females

5927

F40-44

5927

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16435

Females

5690

F40-44

5690

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17578

Females

6399

F40-44

6399

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17602

Females

6514

F40-44

6514

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16139

Females

5706

F40-44

5706

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18933

Females

7346

F40-44

7346

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17936

Females

6826

F40-44

6826

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18858

Females

7361

F40-44

7361

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18031

Females

6960

F40-44

6960

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17053

Females

6445

F40-44

6445

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15384

Females

5477

F40-44

5477

Passing Analysis

Category:
Athletes Passed
1473
Passed By
1978
Net Change
-505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16272
5K → 10K295275+20#16272#16252
10K → 15K33795+242#16252#16010
15K → 20K153189-36#16010#16046
20K → Half1762-45#16046#16091
Half → 25K131181-50#16091#16141
25K → 30K101383-282#16141#16423
30K → 20M60130-70#16423#16493
20M → 21M10054+46#16493#16447
21M → 35K23150-127#16447#16574
35K → 23M58144-86#16574#16660
23M → 24M31156-125#16660#16785
24M → 40K3887-49#16785#16834
40K → 25.2M2938-9#16834#16843
25.2M → Finish10034+66#16843#16777
TOTALS14731978-505
📊

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