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BOSTON MARATHON 2023

Susan Mcdermott

Bib: 29373•F

NJ

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
10:29/mi
32:35
↑ 97↓ 3451.5%
10K· 6.21 mi
10:09/mi
1:04:08
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:36:52
↑ 67↓ 78
20K· 12.43 mi
10:52/mi
2:10:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:36/mi
2:17:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:48/mi
2:46:29
↑ 66↓ 880.2%
30K· 18.64 mi
13:18/mi
3:27:48
↑ 181↓ 1480.2%
20M
14:02/mi
3:46:52
↑ 64↓ 500.2%
21M
14:06/mi
4:00:58
↑ 106↓ 241.6%
35K· 21.75 mi
12:06/mi
4:10:01
↑ 17↓ 861.7%
23M
12:10/mi
4:25:15
↑ 23↓ 630.6%
24M
13:03/mi
4:38:18
↓ 821.3%
40K· 24.85 mi
13:42/mi
4:50:01
↓ 200.3%
25.2M
15:08/mi
4:55:14
↑ 13↓ 160.2%
Finish· 26.22 mi
11:30/mi
5:06:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:53
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:49:04
Pace12:54 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2332:3510:2932:35
10:29
-
10K
6.21 mi12:21:561:04:0810:1931:33
10:09
-0:20
15K
9.32 mi12:54:401:36:5210:2432:44
10:32
+0:23
20K
12.43 mi13:28:272:10:3910:3133:47
10:52
+0:20
Half
13.11 mi13:35:412:17:5310:317:14
10:36
-0:16
25K
15.53 mi14:04:172:46:2910:4328:36
11:48
+1:12
30K
18.64 mi14:45:363:27:4811:0941:19
13:18
+1:30
20M
20.00 mi15:04:403:46:5211:2119:04
14:02
+0:44
21M
21.00 mi15:18:464:00:5811:2814:06
14:06
+0:04
35K
21.75 mi15:27:494:10:0111:309:03
12:06
-2:00
23M
23.00 mi15:43:034:25:1511:3215:14
12:10
+0:04
24M
24.00 mi15:56:064:38:1811:3613:03
13:03
+0:53
40K
24.85 mi16:07:494:50:0111:4011:43
13:42
+0:39
25.2M
25.20 mi16:13:024:55:1411:435:13
15:08
+1:26
Finish
26.22 mi16:24:455:06:5711:4311:43
11:30
-3:38

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

10:09 /mi

Average Pace

11:43 /mi

Slowest Pace

15:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:53

45% of race

Time at Steady Pace

1:04:36

21% of race

Time at Slower Pace

1:44:28

34% of race

Average Pace: 11:42 /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 mi11:50:2332:3510:2932:35
10:29
#24682
10K
6.21 mi12:21:561:04:0810:1931:33
10:09
#24318
15K
9.32 mi12:54:401:36:5210:2432:44
10:32
#24419
20K
12.43 mi13:28:272:10:3910:3133:47
10:52
#24438
Half
13.11 mi13:35:412:17:5310:317:14
10:36
#24434
25K
15.53 mi14:04:172:46:2910:4328:36
11:48
#24591
30K
18.64 mi14:45:363:27:4811:0941:19
13:18
#24906
20M
20.00 mi15:04:403:46:5211:2119:04
14:02
#25027
21M
21.00 mi15:18:464:00:5811:2814:06
14:06
#25071
35K
21.75 mi15:27:494:10:0111:309:03
12:06
#25060
23M
23.00 mi15:43:034:25:1511:3215:14
12:10
#25031
24M
24.00 mi15:56:064:38:1811:3613:03
13:03
#25075
40K
24.85 mi16:07:494:50:0111:4011:43
13:42
#25109
25.2M
25.20 mi16:13:024:55:1411:435:13
15:08
#25124
Finish
26.22 mi16:24:455:06:5711:4311:43
11:30
#25124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi24682102631026324526(Top 92%)10198(Top 89%)10198(Top 1251%)
10K6.21 mi3.10 mi24318+36410059+20410059+20424040(Top 90%)9912(Top 87%)9912(Top 1216%)
15K9.32 mi3.11 mi24419-10110117-5810117-5824526(Top 92%)10198(Top 89%)10198(Top 1251%)
20K12.43 mi3.11 mi24438-1910137-2010137-2024437(Top 92%)10170(Top 89%)10170(Top 1248%)
Half13.11 mi0.68 mi24434+410138-110138-124394(Top 92%)10155(Top 89%)10155(Top 1246%)
25K15.53 mi2.42 mi24591-15710240-10210240-10224983(Top 94%)10506(Top 92%)10506(Top 1289%)
30K18.64 mi3.11 mi24906-31510434-19410434-19425633(Top 96%)10914(Top 96%)10914(Top 1339%)
20M20.00 mi1.36 mi25027-12110512-7810512-7825839(Top 97%)11038(Top 97%)11038(Top 1354%)
21M21.00 mi1.00 mi25071-4410542-3010542-3025119(Top 94%)10673(Top 93%)10673(Top 1310%)
35K21.75 mi0.75 mi25060+1110548-610548-624778(Top 93%)10545(Top 92%)10545(Top 1294%)
23M23.00 mi1.25 mi25031+2910540+810540+824225(Top 91%)10251(Top 90%)10251(Top 1258%)
24M24.00 mi1.00 mi25075-4410568-2810568-2825507(Top 96%)10932(Top 96%)10932(Top 1341%)
40K24.85 mi0.85 mi25109-3410593-2510593-2525505(Top 96%)10923(Top 96%)10923(Top 1340%)
25.2M25.20 mi0.35 mi25124-1510602-910602-925776(Top 97%)11062(Top 97%)11062(Top 1357%)
Finish26.22 mi1.02 mi2512410606-410606-424689(Top 93%)10502(Top 92%)10502(Top 1289%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24526

Females

10198

F55-59

10198

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24040

Females

9912

F55-59

9912

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24526

Females

10198

F55-59

10198

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24437

Females

10170

F55-59

10170

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24394

Females

10155

F55-59

10155

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

24983

Females

10506

F55-59

10506

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25633

Females

10914

F55-59

10914

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25839

Females

11038

F55-59

11038

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25119

Females

10673

F55-59

10673

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24778

Females

10545

F55-59

10545

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24225

Females

10251

F55-59

10251

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25507

Females

10932

F55-59

10932

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25505

Females

10923

F55-59

10923

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25776

Females

11062

F55-59

11062

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24689

Females

10502

F55-59

10502

Passing Analysis

Category:
Athletes Passed
811
Passed By
1253
Net Change
-442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24682
5K → 10K42662+364#24682#24318
10K → 15K87188-101#24318#24419
15K → 20K87106-19#24419#24438
20K → Half2319+4#24438#24434
Half → 25K32189-157#24434#24591
25K → 30K19334-315#24591#24906
30K → 20M15136-121#24906#25027
20M → 21M1458-44#25027#25071
21M → 35K3019+11#25071#25060
35K → 23M4213+29#25060#25031
23M → 24M852-44#25031#25075
24M → 40K842-34#25075#25109
40K → 25.2M520-15#25109#25124
25.2M → Finish15150#25124#25124
TOTALS8111253-442
📊

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