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BOSTON MARATHON 2023

Maria Macdonald

Bib: 24499•F

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 19%
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
9:02/mi
28:04
↑ 97↓ 3451.5%
10K· 6.21 mi
9:57/mi
59:00
↑ 79↓ 1380.4%
15K· 9.32 mi
10:12/mi
1:30:40
↑ 67↓ 78
20K· 12.43 mi
9:50/mi
2:01:14
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
2:07:47
↑ 19↓ 370.5%
25K· 15.53 mi
10:04/mi
2:32:11
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
3:04:27
↑ 181↓ 1480.2%
20M
10:19/mi
3:18:28
↑ 64↓ 500.2%
21M
11:38/mi
3:30:06
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:37:33
↑ 17↓ 861.7%
23M
10:17/mi
3:50:25
↑ 23↓ 630.6%
24M
9:51/mi
4:00:16
↓ 821.3%
40K· 24.85 mi
10:22/mi
4:09:08
↓ 200.3%
25.2M
11:39/mi
4:13:09
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:23:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:15:27
Pace10:20 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2328:049:0228:04
9:02
-
10K
6.21 mi12:14:1959:009:3030:56
9:57
+0:55
15K
9.32 mi12:45:591:30:409:4431:40
10:12
+0:15
20K
12.43 mi13:16:332:01:149:4530:34
9:50
-0:22
Half
13.11 mi13:23:062:07:479:456:33
9:36
-0:14
25K
15.53 mi13:47:302:32:119:4824:24
10:04
+0:28
30K
18.64 mi14:19:463:04:279:5432:16
10:23
+0:19
20M
20.00 mi14:33:473:18:289:5514:01
10:19
-0:04
21M
21.00 mi14:45:253:30:0610:0011:38
11:38
+1:19
35K
21.75 mi14:52:523:37:3310:007:27
9:57
-1:41
23M
23.00 mi15:05:443:50:2510:0112:52
10:17
+0:20
24M
24.00 mi15:15:354:00:1610:019:51
9:51
-0:26
40K
24.85 mi15:24:274:09:0810:018:52
10:22
+0:31
25.2M
25.20 mi15:28:284:13:0910:034:01
11:39
+1:17
Finish
26.22 mi15:38:334:23:1410:0310:05
9:54
-1:45

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

9:02 /mi

Average Pace

10:03 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:37

13% of race

Time at Steady Pace

3:32:58

81% of race

Time at Slower Pace

15:39

6% of race

Average Pace: 10:02 /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 mi11:43:2328:049:0228:04
9:02
#20616
10K
6.21 mi12:14:1959:009:3030:56
9:57
#22322
15K
9.32 mi12:45:591:30:409:4431:40
10:12
#22961
20K
12.43 mi13:16:332:01:149:4530:34
9:50
#22811
Half
13.11 mi13:23:062:07:479:456:33
9:36
#22792
25K
15.53 mi13:47:302:32:119:4824:24
10:04
#22708
30K
18.64 mi14:19:463:04:279:5432:16
10:23
#22548
20M
20.00 mi14:33:473:18:289:5514:01
10:19
#22456
21M
21.00 mi14:45:253:30:0610:0011:38
11:38
#22431
35K
21.75 mi14:52:523:37:3310:007:27
9:57
#22385
23M
23.00 mi15:05:443:50:2510:0112:52
10:17
#22294
24M
24.00 mi15:15:354:00:1610:019:51
9:51
#22209
40K
24.85 mi15:24:274:09:0810:018:52
10:22
#22166
25.2M
25.20 mi15:28:284:13:0910:034:01
11:39
#22160
Finish
26.22 mi15:38:334:23:1410:0310:05
9:54
#22130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi206168178817823860(Top 90%)9816(Top 86%)9816(Top 15832%)
10K6.21 mi3.10 mi22322-17069011-8339011-83323620(Top 89%)9688(Top 85%)9688(Top 15626%)
15K9.32 mi3.11 mi22961-6399335-3249335-32423860(Top 90%)9816(Top 86%)9816(Top 15832%)
20K12.43 mi3.11 mi22811+1509246+899246+8922497(Top 85%)9081(Top 79%)9081(Top 14647%)
Half13.11 mi0.68 mi22792+199237+99237+922403(Top 84%)9011(Top 79%)9011(Top 14534%)
25K15.53 mi2.42 mi22708+849212+259212+2522362(Top 84%)9039(Top 79%)9039(Top 14579%)
30K18.64 mi3.11 mi22548+1609159+539159+5321968(Top 83%)8889(Top 78%)8889(Top 14337%)
20M20.00 mi1.36 mi22456+929109+509109+5021317(Top 80%)8594(Top 75%)8594(Top 13861%)
21M21.00 mi1.00 mi22431+259108+19108+122128(Top 83%)9067(Top 79%)9067(Top 14624%)
35K21.75 mi0.75 mi22385+469083+259083+2521173(Top 80%)8587(Top 75%)8587(Top 13850%)
23M23.00 mi1.25 mi22294+919036+479036+4720790(Top 78%)8405(Top 74%)8405(Top 13556%)
24M24.00 mi1.00 mi22209+858994+428994+4220403(Top 77%)8210(Top 72%)8210(Top 13242%)
40K24.85 mi0.85 mi22166+438976+188976+1820932(Top 79%)8563(Top 75%)8563(Top 13811%)
25.2M25.20 mi0.35 mi22160+68982-68982-621883(Top 82%)9067(Top 79%)9067(Top 14624%)
Finish26.22 mi1.02 mi22130+308977+58977+521482(Top 81%)8838(Top 77%)8838(Top 14255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23860

Females

9816

F70-74

9816

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23620

Females

9688

F70-74

9688

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23860

Females

9816

F70-74

9816

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22497

Females

9081

F70-74

9081

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22403

Females

9011

F70-74

9011

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22362

Females

9039

F70-74

9039

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21968

Females

8889

F70-74

8889

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21317

Females

8594

F70-74

8594

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22128

Females

9067

F70-74

9067

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21173

Females

8587

F70-74

8587

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20790

Females

8405

F70-74

8405

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20403

Females

8210

F70-74

8210

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20932

Females

8563

F70-74

8563

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21883

Females

9067

F70-74

9067

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21482

Females

8838

F70-74

8838

Passing Analysis

Category:
Athletes Passed
1180
Passed By
2694
Net Change
-1514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20616
5K → 10K151721-1706#20616#22322
10K → 15K30669-639#22322#22961
15K → 20K20555+150#22961#22811
20K → Half3213+19#22811#22792
Half → 25K13753+84#22792#22708
25K → 30K20545+160#22708#22548
30K → 20M10614+92#22548#22456
20M → 21M6843+25#22456#22431
21M → 35K5711+46#22431#22385
35K → 23M10312+91#22385#22294
23M → 24M927+85#22294#22209
24M → 40K6118+43#22209#22166
40K → 25.2M2115+6#22166#22160
25.2M → Finish4818+30#22160#22130
TOTALS11802694-1514
📊

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