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BOSTON MARATHON 2023

Susan Madden

Bib: 23687•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 (F55-59)
#0 / 815
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
8:56/mi
27:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:13/mi
56:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:30/mi
1:25:56
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:55:44
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:02:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:25:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:47/mi
2:55:34
↑ 181↓ 1480.2%
20M
10:00/mi
3:09:09
↑ 64↓ 500.2%
21M
10:34/mi
3:19:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
3:26:28
↑ 17↓ 861.7%
23M
9:18/mi
3:38:07
↑ 23↓ 630.6%
24M
8:59/mi
3:47:06
↓ 821.3%
40K· 24.85 mi
9:21/mi
3:55:06
↓ 200.3%
25.2M
9:21/mi
3:58:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
4:07:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:03
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:05:30
Pace9:34 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2127:458:5627:45
8:56
-
10K
6.21 mi11:54:0056:249:0528:39
9:13
+0:17
15K
9.32 mi12:23:321:25:569:1329:32
9:30
+0:17
20K
12.43 mi12:53:201:55:449:1929:48
9:36
+0:06
Half
13.11 mi12:59:392:02:039:196:19
9:16
-0:20
25K
15.53 mi13:22:452:25:099:2123:06
9:32
+0:16
30K
18.64 mi13:53:102:55:349:2530:25
9:47
+0:15
20M
20.00 mi14:06:453:09:099:2713:35
10:00
+0:13
21M
21.00 mi14:17:193:19:439:3110:34
10:34
+0:34
35K
21.75 mi14:24:043:26:289:306:45
9:01
-1:33
23M
23.00 mi14:35:433:38:079:2911:39
9:18
+0:17
24M
24.00 mi14:44:423:47:069:288:59
8:59
-0:19
40K
24.85 mi14:52:423:55:069:288:00
9:21
+0:22
25.2M
25.20 mi14:55:553:58:199:273:13
9:21
0:00
Finish
26.22 mi15:05:094:07:339:279:14
9:04
-0:17

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

8:56 /mi

Average Pace

9:27 /mi

Slowest Pace

10:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:24

90% of race

Time at Steady Pace

13:35

5% of race

Time at Slower Pace

10:34

4% of race

Average Pace: 9:26 /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 mi11:25:2127:458:5627:45
8:56
#20134
10K
6.21 mi11:54:0056:249:0528:39
9:13
#20969
15K
9.32 mi12:23:321:25:569:1329:32
9:30
#21430
20K
12.43 mi12:53:201:55:449:1929:48
9:36
#21546
Half
13.11 mi12:59:392:02:039:196:19
9:16
#21532
25K
15.53 mi13:22:452:25:099:2123:06
9:32
#21419
30K
18.64 mi13:53:102:55:349:2530:25
9:47
#21228
20M
20.00 mi14:06:453:09:099:2713:35
10:00
#21145
21M
21.00 mi14:17:193:19:439:3110:34
10:34
#21056
35K
21.75 mi14:24:043:26:289:306:45
9:01
#20946
23M
23.00 mi14:35:433:38:079:2911:39
9:18
#20749
24M
24.00 mi14:44:423:47:069:288:59
8:59
#20601
40K
24.85 mi14:52:423:55:069:288:00
9:21
#20491
25.2M
25.20 mi14:55:553:58:199:273:13
9:21
#20407
Finish
26.22 mi15:05:094:07:339:279:14
9:04
#20341
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 mi201347899789922280(Top 84%)8950(Top 78%)8950(Top 1098%)
10K6.21 mi3.10 mi20969-8358307-4088307-40821683(Top 81%)8648(Top 76%)8648(Top 1061%)
15K9.32 mi3.11 mi21430-4618514-2078514-20722280(Top 84%)8950(Top 78%)8950(Top 1098%)
20K12.43 mi3.11 mi21546-1168581-678581-6721828(Top 82%)8697(Top 76%)8697(Top 1067%)
Half13.11 mi0.68 mi21532+148564+178564+1721364(Top 80%)8436(Top 74%)8436(Top 1035%)
25K15.53 mi2.42 mi21419+1138499+658499+6520924(Top 79%)8225(Top 72%)8225(Top 1009%)
30K18.64 mi3.11 mi21228+1918411+888411+8820426(Top 77%)8009(Top 70%)8009(Top 983%)
20M20.00 mi1.36 mi21145+838385+268385+2620476(Top 77%)8118(Top 71%)8118(Top 996%)
21M21.00 mi1.00 mi21056+898352+338352+3319810(Top 74%)7824(Top 68%)7824(Top 960%)
35K21.75 mi0.75 mi20946+1108292+608292+6018042(Top 68%)6873(Top 60%)6873(Top 843%)
23M23.00 mi1.25 mi20749+1978195+978195+9717568(Top 66%)6622(Top 58%)6622(Top 813%)
24M24.00 mi1.00 mi20601+1488125+708125+7017192(Top 65%)6471(Top 57%)6471(Top 794%)
40K24.85 mi0.85 mi20491+1108064+618064+6117734(Top 67%)6820(Top 60%)6820(Top 837%)
25.2M25.20 mi0.35 mi20407+848023+418023+4114458(Top 54%)5025(Top 44%)5025(Top 617%)
Finish26.22 mi1.02 mi20341+667993+307993+3018314(Top 69%)7080(Top 62%)7080(Top 869%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22280

Females

8950

F55-59

8950

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21683

Females

8648

F55-59

8648

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22280

Females

8950

F55-59

8950

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21828

Females

8697

F55-59

8697

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21364

Females

8436

F55-59

8436

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20924

Females

8225

F55-59

8225

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20426

Females

8009

F55-59

8009

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20476

Females

8118

F55-59

8118

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19810

Females

7824

F55-59

7824

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18042

Females

6873

F55-59

6873

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17568

Females

6622

F55-59

6622

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17192

Females

6471

F55-59

6471

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17734

Females

6820

F55-59

6820

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14458

Females

5025

F55-59

5025

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18314

Females

7080

F55-59

7080

Passing Analysis

Category:
Athletes Passed
1579
Passed By
1786
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20134
5K → 10K55890-835#20134#20969
10K → 15K36497-461#20969#21430
15K → 20K89205-116#21430#21546
20K → Half3521+14#21546#21532
Half → 25K16249+113#21532#21419
25K → 30K23847+191#21419#21228
30K → 20M10623+83#21228#21145
20M → 21M11728+89#21145#21056
21M → 35K1122+110#21056#20946
35K → 23M2036+197#20946#20749
23M → 24M1491+148#20749#20601
24M → 40K1133+110#20601#20491
40K → 25.2M840+84#20491#20407
25.2M → Finish8014+66#20407#20341
TOTALS15791786-207
📊

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