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BOSTON MARATHON 2023

Melissa Browne

Bib: 16405•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #8491
Start → 5K
7:21/mi
22:51 split
10K· 6.21 mi
46:14
Rank: #9513 (-1022)
5K → 10K
7:32/mi
23:23 split
15K· 9.32 mi
1:10:10
Rank: #10317 (-804)
10K → 15K
7:42/mi
23:56 split
20K· 12.43 mi
1:34:49
Rank: #10965 (-648)
15K → 20K
7:56/mi
24:39 split
Half· 13.11 mi
1:40:16
Rank: #11112 (-147)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:00:03
Rank: #11521 (-409)
Half → 25K
8:10/mi
19:47 split
30K· 18.64 mi
2:26:08
Rank: #11935 (-414)
25K → 30K
8:24/mi
26:05 split
20M
2:37:11
Rank: #11852 (+83)
30K → 20M
8:08/mi
11:03 split
21M
2:45:57
Rank: #11886 (-34)
20M → 21M
8:46/mi
8:46 split
35K· 21.75 mi
2:51:49
Rank: #11855 (+31)
21M → 35K
7:51/mi
5:52 split
23M
3:02:01
Rank: #11766 (+89)
35K → 23M
8:09/mi
10:12 split
24M
3:09:57
Rank: #11704 (+62)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:16:49
Rank: #11638 (+66)
24M → 40K
8:02/mi
6:52 split
25.2M
3:19:38
Rank: #11549 (+89)
40K → 25.2M
8:10/mi
2:49 split
Finish· 26.22 mi
3:27:25
Rank: #11435 (+114)
25.2M → Finish
7:38/mi
7:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:47:09
Pace8:10 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5422:517:2122:51
7:21
-
10K
6.21 mi11:36:1746:147:2623:23
7:32
+0:11
15K
9.32 mi12:00:131:10:107:3223:56
7:42
+0:10
20K
12.43 mi12:24:521:34:497:3824:39
7:56
+0:14
Half
13.11 mi12:30:191:40:167:395:27
7:59
+0:03
25K
15.53 mi12:50:062:00:037:4419:47
8:10
+0:11
30K
18.64 mi13:16:112:26:087:5026:05
8:24
+0:14
20M
20.00 mi13:27:142:37:117:5211:03
8:08
-0:16
21M
21.00 mi13:36:002:45:577:548:46
8:46
+0:38
35K
21.75 mi13:41:522:51:497:545:52
7:51
-0:55
23M
23.00 mi13:52:043:02:017:5510:12
8:09
+0:18
24M
24.00 mi14:00:003:09:577:557:56
7:56
-0:13
40K
24.85 mi14:06:523:16:497:556:52
8:02
+0:06
25.2M
25.20 mi14:09:413:19:387:552:49
8:10
+0:08
Finish
26.22 mi14:17:283:27:257:557:47
7:38
-0:32

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

7:21 /mi

Average Pace

7:55 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:43

62% of race

Time at Steady Pace

1:09:56

34% of race

Time at Slower Pace

8:46

4% of race

Average Pace: 7:55 /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 mi11:12:5422:517:2122:51
7:21
#8491
10K
6.21 mi11:36:1746:147:2623:23
7:32
#9513
15K
9.32 mi12:00:131:10:107:3223:56
7:42
#10317
20K
12.43 mi12:24:521:34:497:3824:39
7:56
#10965
Half
13.11 mi12:30:191:40:167:395:27
7:59
#11112
25K
15.53 mi12:50:062:00:037:4419:47
8:10
#11521
30K
18.64 mi13:16:112:26:087:5026:05
8:24
#11935
20M
20.00 mi13:27:142:37:117:5211:03
8:08
#11852
21M
21.00 mi13:36:002:45:577:548:46
8:46
#11886
35K
21.75 mi13:41:522:51:497:545:52
7:51
#11855
23M
23.00 mi13:52:043:02:017:5510:12
8:09
#11766
24M
24.00 mi14:00:003:09:577:557:56
7:56
#11704
40K
24.85 mi14:06:523:16:497:556:52
8:02
#11638
25.2M
25.20 mi14:09:413:19:387:552:49
8:10
#11549
Finish
26.22 mi14:17:283:27:257:557:47
7:38
#11435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi84911189118911881(Top 45%)2838(Top 25%)2838(Top 58%)
10K6.21 mi3.10 mi9513-10221620-4311620-43110684(Top 40%)2148(Top 19%)2148(Top 44%)
15K9.32 mi3.11 mi10317-8041967-3471967-34711881(Top 45%)2838(Top 25%)2838(Top 58%)
20K12.43 mi3.11 mi10965-6482320-3532320-35312902(Top 48%)3487(Top 31%)3487(Top 71%)
Half13.11 mi0.68 mi11112-1472393-732393-7314269(Top 54%)4213(Top 37%)4213(Top 86%)
25K15.53 mi2.42 mi11521-4092651-2582651-25813939(Top 52%)4175(Top 37%)4175(Top 85%)
30K18.64 mi3.11 mi11935-4142943-2922943-29213670(Top 51%)4132(Top 36%)4132(Top 85%)
20M20.00 mi1.36 mi11852+832912+312912+3111251(Top 42%)2847(Top 25%)2847(Top 58%)
21M21.00 mi1.00 mi11886-342947-352947-3512072(Top 45%)3434(Top 30%)3434(Top 70%)
35K21.75 mi0.75 mi11855+312947294710999(Top 41%)2876(Top 25%)2876(Top 59%)
23M23.00 mi1.25 mi11766+892915+322915+3210829(Top 41%)2931(Top 26%)2931(Top 60%)
24M24.00 mi1.00 mi11704+622899+162899+1610799(Top 41%)2978(Top 26%)2978(Top 61%)
40K24.85 mi0.85 mi11638+662882+172882+1710289(Top 39%)2800(Top 25%)2800(Top 57%)
25.2M25.20 mi0.35 mi11549+892848+342848+347614(Top 29%)1684(Top 15%)1684(Top 34%)
Finish26.22 mi1.02 mi11435+1142814+342814+349577(Top 36%)2507(Top 22%)2507(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11881

Females

2838

F18-39

2838

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10684

Females

2148

F18-39

2148

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11881

Females

2838

F18-39

2838

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12902

Females

3487

F18-39

3487

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14269

Females

4213

F18-39

4213

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13939

Females

4175

F18-39

4175

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13670

Females

4132

F18-39

4132

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11251

Females

2847

F18-39

2847

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12072

Females

3434

F18-39

3434

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10999

Females

2876

F18-39

2876

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10829

Females

2931

F18-39

2931

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10799

Females

2978

F18-39

2978

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10289

Females

2800

F18-39

2800

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7614

Females

1684

F18-39

1684

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9577

Females

2507

F18-39

2507

Passing Analysis

Category:
Athletes Passed
1058
Passed By
4000
Net Change
-2944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8491
5K → 10K371059-1022#8491#9513
10K → 15K31833-804#9513#10317
15K → 20K34682-648#10317#10965
20K → Half2149-147#10965#11112
Half → 25K41450-409#11112#11521
25K → 30K80494-414#11521#11935
30K → 20M13451+83#11935#11852
20M → 21M81115-34#11852#11886
21M → 35K6433+31#11886#11855
35K → 23M13445+89#11855#11766
23M → 24M9836+62#11766#11704
24M → 40K9327+66#11704#11638
40K → 25.2M912+89#11638#11549
25.2M → Finish13824+114#11549#11435
TOTALS10584000-2944
📊

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