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BOSTON MARATHON 2023

Martha Degrazia

Bib: 24245•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F70-74)
#0 / 62
Top 44%
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
9:30/mi
29:31
↑ 97↓ 3451.5%
10K· 6.21 mi
10:07/mi
1:00:56
↑ 79↓ 1380.4%
15K· 9.32 mi
10:24/mi
1:33:14
↑ 67↓ 78
20K· 12.43 mi
10:48/mi
2:06:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:14:03
↑ 19↓ 370.5%
25K· 15.53 mi
11:08/mi
2:41:03
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:16:27
↑ 181↓ 1480.2%
20M
11:18/mi
3:31:49
↑ 64↓ 500.2%
21M
12:11/mi
3:44:00
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:51:45
↑ 17↓ 861.7%
23M
11:13/mi
4:05:48
↑ 23↓ 630.6%
24M
10:40/mi
4:16:28
↓ 821.3%
40K· 24.85 mi
11:03/mi
4:25:55
↓ 200.3%
25.2M
11:50/mi
4:30:00
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:40:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:03
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:26:54
Pace11:12 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3529:319:3029:31
9:30
-
10K
6.21 mi12:16:001:00:569:4831:25
10:07
+0:37
15K
9.32 mi12:48:181:33:1410:0032:18
10:24
+0:17
20K
12.43 mi13:21:522:06:4810:1233:34
10:48
+0:24
Half
13.11 mi13:29:072:14:0310:147:15
10:38
-0:10
25K
15.53 mi13:56:072:41:0310:2227:00
11:08
+0:30
30K
18.64 mi14:31:313:16:2710:3235:24
11:24
+0:16
20M
20.00 mi14:46:533:31:4910:3515:22
11:18
-0:06
21M
21.00 mi14:59:043:44:0010:4012:11
12:11
+0:53
35K
21.75 mi15:06:493:51:4510:397:45
10:22
-1:49
23M
23.00 mi15:20:524:05:4810:4114:03
11:13
+0:51
24M
24.00 mi15:31:324:16:2810:4110:40
10:40
-0:33
40K
24.85 mi15:40:594:25:5510:429:27
11:03
+0:23
25.2M
25.20 mi15:45:044:30:0010:434:05
11:50
+0:47
Finish
26.22 mi15:56:014:40:5710:4310:57
10:45
-1:05

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

9:30 /mi

Average Pace

10:43 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:59

36% of race

Time at Steady Pace

1:11:53

26% of race

Time at Slower Pace

1:48:05

38% of race

Average Pace: 10:43 /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 mi11:44:3529:319:3029:31
9:30
#22100
10K
6.21 mi12:16:001:00:569:4831:25
10:07
#23180
15K
9.32 mi12:48:181:33:1410:0032:18
10:24
#23617
20K
12.43 mi13:21:522:06:4810:1233:34
10:48
#23828
Half
13.11 mi13:29:072:14:0310:147:15
10:38
#23851
25K
15.53 mi13:56:072:41:0310:2227:00
11:08
#23898
30K
18.64 mi14:31:313:16:2710:3235:24
11:24
#23885
20M
20.00 mi14:46:533:31:4910:3515:22
11:18
#23843
21M
21.00 mi14:59:043:44:0010:4012:11
12:11
#23798
35K
21.75 mi15:06:493:51:4510:397:45
10:22
#23748
23M
23.00 mi15:20:524:05:4810:4114:03
11:13
#23710
24M
24.00 mi15:31:324:16:2810:4110:40
10:40
#23649
40K
24.85 mi15:40:594:25:5510:429:27
11:03
#23621
25.2M
25.20 mi15:45:044:30:0010:434:05
11:50
#23605
Finish
26.22 mi15:56:014:40:5710:4310:57
10:45
#23616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi221008926892624278(Top 91%)10042(Top 88%)10042(Top 16197%)
10K6.21 mi3.10 mi23180-10809460-5349460-53423934(Top 90%)9851(Top 86%)9851(Top 15889%)
15K9.32 mi3.11 mi23617-4379684-2249684-22424278(Top 91%)10042(Top 88%)10042(Top 16197%)
20K12.43 mi3.11 mi23828-2119797-1139797-11324330(Top 91%)10107(Top 88%)10107(Top 16302%)
Half13.11 mi0.68 mi23851-239805-89805-824423(Top 92%)10161(Top 89%)10161(Top 16389%)
25K15.53 mi2.42 mi23898-479848-439848-4324179(Top 91%)10048(Top 88%)10048(Top 16206%)
30K18.64 mi3.11 mi23885+139852-49852-423713(Top 89%)9845(Top 86%)9845(Top 15879%)
20M20.00 mi1.36 mi23843+429838+149838+1423200(Top 87%)9627(Top 84%)9627(Top 15527%)
21M21.00 mi1.00 mi23798+459827+119827+1123035(Top 87%)9571(Top 84%)9571(Top 15437%)
35K21.75 mi0.75 mi23748+509800+279800+2722141(Top 83%)9133(Top 80%)9133(Top 14731%)
23M23.00 mi1.25 mi23710+389791+99791+922766(Top 86%)9473(Top 83%)9473(Top 15279%)
24M24.00 mi1.00 mi23649+619767+249767+2422394(Top 84%)9313(Top 82%)9313(Top 15021%)
40K24.85 mi0.85 mi23621+289760+79760+722472(Top 84%)9387(Top 82%)9387(Top 15140%)
25.2M25.20 mi0.35 mi23605+169754+69754+622244(Top 84%)9264(Top 81%)9264(Top 14942%)
Finish26.22 mi1.02 mi23616-119769-159769-1523505(Top 88%)9909(Top 87%)9909(Top 15982%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24278

Females

10042

F70-74

10042

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23934

Females

9851

F70-74

9851

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24278

Females

10042

F70-74

10042

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24330

Females

10107

F70-74

10107

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24423

Females

10161

F70-74

10161

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24179

Females

10048

F70-74

10048

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23713

Females

9845

F70-74

9845

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23200

Females

9627

F70-74

9627

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23035

Females

9571

F70-74

9571

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22141

Females

9133

F70-74

9133

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22766

Females

9473

F70-74

9473

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22394

Females

9313

F70-74

9313

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22472

Females

9387

F70-74

9387

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22244

Females

9264

F70-74

9264

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23505

Females

9909

F70-74

9909

Passing Analysis

Category:
Athletes Passed
720
Passed By
2236
Net Change
-1516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22100
5K → 10K161096-1080#22100#23180
10K → 15K21458-437#23180#23617
15K → 20K60271-211#23617#23828
20K → Half1538-23#23828#23851
Half → 25K66113-47#23851#23898
25K → 30K124111+13#23898#23885
30K → 20M6624+42#23885#23843
20M → 21M7530+45#23843#23798
21M → 35K566+50#23798#23748
35K → 23M6224+38#23748#23710
23M → 24M698+61#23710#23649
24M → 40K4618+28#23649#23621
40K → 25.2M193+16#23621#23605
25.2M → Finish2536-11#23605#23616
TOTALS7202236-1516
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing