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BOSTON MARATHON 2023

Margaret Branco

Bib: 27005•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:47
Rank: #24024
Start → 5K
31:47 | 10:14/mi
10K· 6.21 mi
1:04:02
Rank: #24284 (-260)
5K → 10K
32:15 | 10:23/mi
15K· 9.32 mi
1:37:44
Rank: #24612 (-328)
10K → 15K
33:42 | 10:51/mi
20K· 12.43 mi
2:11:32
Rank: #24558 (+54)
15K → 20K
33:48 | 10:53/mi
Half· 13.11 mi
2:18:47
Rank: #24557 (+1)
20K → Half
7:15 | 10:38/mi
25K· 15.53 mi
2:45:47
Rank: #24505 (+52)
Half → 25K
27:00 | 11:08/mi
30K· 18.64 mi
3:23:44
Rank: #24558 (-53)
25K → 30K
37:57 | 12:13/mi
20M
3:39:56
Rank: #24535 (+23)
30K → 20M
16:12 | 11:55/mi
21M
3:53:37
Rank: #24568 (-33)
20M → 21M
13:41 | 13:41/mi
35K· 21.75 mi
4:02:03
Rank: #24539 (+29)
21M → 35K
8:26 | 11:16/mi
23M
4:18:21
Rank: #24600 (-61)
35K → 23M
16:18 | 13:01/mi
24M
4:30:01
Rank: #24583 (+17)
23M → 24M
11:40 | 11:40/mi
40K· 24.85 mi
4:41:30
Rank: #24649 (-66)
24M → 40K
11:29 | 13:26/mi
25.2M
4:46:12
Rank: #24653 (-4)
40K → 25.2M
4:42 | 13:38/mi
Finish· 26.22 mi
4:58:05
Rank: #24707 (-54)
25.2M → Finish
11:53 | 11:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:47
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:39:18
Pace12:09 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4731:4710:1431:47
10:14
-
10K
6.21 mi12:26:021:04:0210:1832:15
10:23
+0:09
15K
9.32 mi12:59:441:37:4410:2933:42
10:51
+0:28
20K
12.43 mi13:33:322:11:3210:3533:48
10:53
+0:02
Half
13.11 mi13:40:472:18:4710:357:15
10:38
-0:15
25K
15.53 mi14:07:472:45:4710:4027:00
11:08
+0:30
30K
18.64 mi14:45:443:23:4410:5637:57
12:13
+1:05
20M
20.00 mi15:01:563:39:5611:0016:12
11:55
-0:18
21M
21.00 mi15:15:373:53:3711:0713:41
13:41
+1:46
35K
21.75 mi15:24:034:02:0311:088:26
11:16
-2:25
23M
23.00 mi15:40:214:18:2111:1416:18
13:01
+1:45
24M
24.00 mi15:52:014:30:0111:1511:40
11:40
-1:21
40K
24.85 mi16:03:304:41:3011:2011:29
13:26
+1:46
25.2M
25.20 mi16:08:124:46:1211:214:42
13:38
+0:12
Finish
26.22 mi16:20:054:58:0511:2311:53
11:40
-1:58

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

10:14 /mi

Average Pace

11:23 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:47

47% of race

Time at Steady Pace

1:53:08

38% of race

Time at Slower Pace

46:10

15% of race

Average Pace: 11:22 /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 mi11:53:4731:4710:1431:47
10:14
#24024
10K
6.21 mi12:26:021:04:0210:1832:15
10:23
#24284
15K
9.32 mi12:59:441:37:4410:2933:42
10:51
#24612
20K
12.43 mi13:33:322:11:3210:3533:48
10:53
#24558
Half
13.11 mi13:40:472:18:4710:357:15
10:38
#24557
25K
15.53 mi14:07:472:45:4710:4027:00
11:08
#24505
30K
18.64 mi14:45:443:23:4410:5637:57
12:13
#24558
20M
20.00 mi15:01:563:39:5611:0016:12
11:55
#24535
21M
21.00 mi15:15:373:53:3711:0713:41
13:41
#24568
35K
21.75 mi15:24:034:02:0311:088:26
11:16
#24539
23M
23.00 mi15:40:214:18:2111:1416:18
13:01
#24600
24M
24.00 mi15:52:014:30:0111:1511:40
11:40
#24583
40K
24.85 mi16:03:304:41:3011:2011:29
13:26
#24649
25.2M
25.20 mi16:08:124:46:1211:214:42
13:38
#24653
Finish
26.22 mi16:20:054:58:0511:2311:53
11:40
#24707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi240249904990425006(Top 94%)10465(Top 92%)10465(Top 867%)
10K6.21 mi3.10 mi24284-26010045-14110045-14124458(Top 92%)10145(Top 89%)10145(Top 841%)
15K9.32 mi3.11 mi24612-32810231-18610231-18625006(Top 94%)10465(Top 92%)10465(Top 867%)
20K12.43 mi3.11 mi24558+5410211+2010211+2024447(Top 92%)10176(Top 89%)10176(Top 843%)
Half13.11 mi0.68 mi24557+110209+210209+224440(Top 92%)10178(Top 89%)10178(Top 843%)
25K15.53 mi2.42 mi24505+5210188+2110188+2124183(Top 91%)10052(Top 88%)10052(Top 833%)
30K18.64 mi3.11 mi24558-5310237-4910237-4924725(Top 93%)10412(Top 91%)10412(Top 863%)
20M20.00 mi1.36 mi24535+2310229+810229+824112(Top 91%)10139(Top 89%)10139(Top 840%)
21M21.00 mi1.00 mi24568-3310252-2310252-2324761(Top 93%)10484(Top 92%)10484(Top 869%)
35K21.75 mi0.75 mi24539+2910241+1110241+1123780(Top 89%)10032(Top 88%)10032(Top 831%)
23M23.00 mi1.25 mi24600-6110288-4710288-4725102(Top 94%)10685(Top 94%)10685(Top 885%)
24M24.00 mi1.00 mi24583+1710292-410292-424105(Top 91%)10215(Top 89%)10215(Top 846%)
40K24.85 mi0.85 mi24649-6610339-4710339-4725304(Top 95%)10822(Top 95%)10822(Top 897%)
25.2M25.20 mi0.35 mi24653-410340-110340-124667(Top 93%)10522(Top 92%)10522(Top 872%)
Finish26.22 mi1.02 mi24707-5410371-3110371-3124897(Top 94%)10608(Top 93%)10608(Top 879%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25006

Females

10465

F50-54

10465

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24458

Females

10145

F50-54

10145

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25006

Females

10465

F50-54

10465

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24447

Females

10176

F50-54

10176

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24440

Females

10178

F50-54

10178

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24183

Females

10052

F50-54

10052

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24725

Females

10412

F50-54

10412

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24112

Females

10139

F50-54

10139

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24761

Females

10484

F50-54

10484

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23780

Females

10032

F50-54

10032

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

25102

Females

10685

F50-54

10685

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24105

Females

10215

F50-54

10215

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25304

Females

10822

F50-54

10822

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24667

Females

10522

F50-54

10522

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

24897

Females

10608

F50-54

10608

Passing Analysis

Category:
Athletes Passed
698
Passed By
1381
Net Change
-683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24024
5K → 10K98358-260#24024#24284
10K → 15K48376-328#24284#24612
15K → 20K11965+54#24612#24558
20K → Half3029+1#24558#24557
Half → 25K10250+52#24557#24505
25K → 30K86139-53#24505#24558
30K → 20M5633+23#24558#24535
20M → 21M3265-33#24535#24568
21M → 35K378+29#24568#24539
35K → 23M2687-61#24539#24600
23M → 24M3720+17#24600#24583
24M → 40K975-66#24583#24649
40K → 25.2M812-4#24649#24653
25.2M → Finish1064-54#24653#24707
TOTALS6981381-683
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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