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BOSTON MARATHON 2023

Susan Howe

Bib: 23801•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:28
Rank: #22043
Start → 5K
29:28 | 9:29/mi
10K· 6.21 mi
1:00:14
Rank: #22887 (-844)
5K → 10K
30:46 | 9:54/mi
15K· 9.32 mi
1:30:05
Rank: #22762 (+125)
10K → 15K
29:51 | 9:36/mi
20K· 12.43 mi
2:00:41
Rank: #22700 (+62)
15K → 20K
30:36 | 9:51/mi
Half· 13.11 mi
2:07:07
Rank: #22672 (+28)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:31:47
Rank: #22646 (+26)
Half → 25K
24:40 | 10:10/mi
30K· 18.64 mi
3:05:11
Rank: #22644 (+2)
25K → 30K
33:24 | 10:45/mi
20M
3:19:12
Rank: #22548 (+96)
30K → 20M
14:01 | 10:19/mi
21M
3:29:30
Rank: #22367 (+181)
20M → 21M
10:18 | 10:19/mi
35K· 21.75 mi
3:37:09
Rank: #22343 (+24)
21M → 35K
7:39 | 10:14/mi
23M
3:49:54
Rank: #22238 (+105)
35K → 23M
12:45 | 10:11/mi
24M
3:59:45
Rank: #22158 (+80)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
4:08:13
Rank: #22071 (+87)
24M → 40K
8:28 | 9:54/mi
25.2M
4:11:57
Rank: #22044 (+27)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:21:52
Rank: #22001 (+43)
25.2M → Finish
9:55 | 9:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:07
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:14:45
Pace10:17 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3329:289:2929:28
9:29
-
10K
6.21 mi11:56:191:00:149:4230:46
9:54
+0:25
15K
9.32 mi12:26:101:30:059:4029:51
9:36
-0:18
20K
12.43 mi12:56:462:00:419:4330:36
9:51
+0:15
Half
13.11 mi13:03:122:07:079:426:26
9:26
-0:25
25K
15.53 mi13:27:522:31:479:4624:40
10:10
+0:44
30K
18.64 mi14:01:163:05:119:5633:24
10:45
+0:35
20M
20.00 mi14:15:173:19:129:5814:01
10:19
-0:26
21M
21.00 mi14:25:353:29:309:5910:18
10:19
0:00
35K
21.75 mi14:33:143:37:099:597:39
10:14
-0:05
23M
23.00 mi14:45:593:49:5410:0012:45
10:11
-0:03
24M
24.00 mi14:55:503:59:459:599:51
9:51
-0:20
40K
24.85 mi15:04:184:08:139:598:28
9:54
+0:03
25.2M
25.20 mi15:08:024:11:5710:003:44
10:50
+0:56
Finish
26.22 mi15:17:574:21:5210:009:55
9:44
-1:06

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

9:26 /mi

Average Pace

10:00 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:44

86% of race

Time at Steady Pace

37:08

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:59 /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 mi11:25:3329:289:2929:28
9:29
#22043
10K
6.21 mi11:56:191:00:149:4230:46
9:54
#22887
15K
9.32 mi12:26:101:30:059:4029:51
9:36
#22762
20K
12.43 mi12:56:462:00:419:4330:36
9:51
#22700
Half
13.11 mi13:03:122:07:079:426:26
9:26
#22672
25K
15.53 mi13:27:522:31:479:4624:40
10:10
#22646
30K
18.64 mi14:01:163:05:119:5633:24
10:45
#22644
20M
20.00 mi14:15:173:19:129:5814:01
10:19
#22548
21M
21.00 mi14:25:353:29:309:5910:18
10:19
#22367
35K
21.75 mi14:33:143:37:099:597:39
10:14
#22343
23M
23.00 mi14:45:593:49:5410:0012:45
10:11
#22238
24M
24.00 mi14:55:503:59:459:599:51
9:51
#22158
40K
24.85 mi15:04:184:08:139:598:28
9:54
#22071
25.2M
25.20 mi15:08:024:11:5710:003:44
10:50
#22044
Finish
26.22 mi15:17:574:21:5210:009:55
9:44
#22001
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi220438901890122544(Top 85%)9094(Top 80%)9094(Top 1116%)
10K6.21 mi3.10 mi22887-8449296-3959296-39523491(Top 88%)9618(Top 84%)9618(Top 1180%)
15K9.32 mi3.11 mi22762+1259215+819215+8122544(Top 85%)9094(Top 80%)9094(Top 1116%)
20K12.43 mi3.11 mi22700+629191+249191+2422526(Top 85%)9096(Top 80%)9096(Top 1116%)
Half13.11 mi0.68 mi22672+289180+119180+1121936(Top 82%)8751(Top 77%)8751(Top 1074%)
25K15.53 mi2.42 mi22646+269174+69174+622552(Top 85%)9144(Top 80%)9144(Top 1122%)
30K18.64 mi3.11 mi22644+29203-299203-2922700(Top 85%)9298(Top 81%)9298(Top 1141%)
20M20.00 mi1.36 mi22548+969164+399164+3921291(Top 80%)8577(Top 75%)8577(Top 1052%)
21M21.00 mi1.00 mi22367+1819069+959069+9519049(Top 72%)7375(Top 65%)7375(Top 905%)
35K21.75 mi0.75 mi22343+249065+49065+421848(Top 82%)8964(Top 78%)8964(Top 1100%)
23M23.00 mi1.25 mi22238+1059007+589007+5820536(Top 77%)8258(Top 72%)8258(Top 1013%)
24M24.00 mi1.00 mi22158+808973+348973+3420402(Top 77%)8209(Top 72%)8209(Top 1007%)
40K24.85 mi0.85 mi22071+878930+438930+4319728(Top 74%)7914(Top 69%)7914(Top 971%)
25.2M25.20 mi0.35 mi22044+278916+148916+1420088(Top 75%)8119(Top 71%)8119(Top 996%)
Finish26.22 mi1.02 mi22001+438903+138903+1320929(Top 79%)8521(Top 75%)8521(Top 1046%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22544

Females

9094

F55-59

9094

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23491

Females

9618

F55-59

9618

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22544

Females

9094

F55-59

9094

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22526

Females

9096

F55-59

9096

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21936

Females

8751

F55-59

8751

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22552

Females

9144

F55-59

9144

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22700

Females

9298

F55-59

9298

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21291

Females

8577

F55-59

8577

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19049

Females

7375

F55-59

7375

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21848

Females

8964

F55-59

8964

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20536

Females

8258

F55-59

8258

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20402

Females

8209

F55-59

8209

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19728

Females

7914

F55-59

7914

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20088

Females

8119

F55-59

8119

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20929

Females

8521

F55-59

8521

Passing Analysis

Category:
Athletes Passed
1398
Passed By
1356
Net Change
+42
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22043
5K → 10K28872-844#22043#22887
10K → 15K21994+125#22887#22762
15K → 20K162100+62#22762#22700
20K → Half335+28#22700#22672
Half → 25K10983+26#22672#22646
25K → 30K122120+2#22646#22644
30K → 20M11014+96#22644#22548
20M → 21M1810+181#22548#22367
21M → 35K4925+24#22367#22343
35K → 23M11611+105#22343#22238
23M → 24M866+80#22238#22158
24M → 40K936+87#22158#22071
40K → 25.2M358+27#22071#22044
25.2M → Finish5512+43#22044#22001
TOTALS13981356+42
📊

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