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BOSTON MARATHON 2023

Bree Mcdermott

Bib: 31042•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 (F45-49)
#0 / 1817
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
10:16/mi
31:53
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:03:12
↑ 79↓ 1380.4%
15K· 9.32 mi
10:23/mi
1:35:28
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:08:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:16:06
↑ 19↓ 370.5%
25K· 15.53 mi
11:10/mi
2:43:10
↑ 66↓ 880.2%
30K· 18.64 mi
11:55/mi
3:20:12
↑ 181↓ 1480.2%
20M
11:56/mi
3:36:25
↑ 64↓ 500.2%
21M
13:42/mi
3:50:07
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:58:01
↑ 17↓ 861.7%
23M
11:38/mi
4:12:35
↑ 23↓ 630.6%
24M
11:10/mi
4:23:45
↓ 821.3%
40K· 24.85 mi
11:37/mi
4:33:41
↓ 200.3%
25.2M
12:17/mi
4:37:55
↑ 13↓ 160.2%
Finish· 26.22 mi
10:53/mi
4:49:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:06
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:32:54
Pace11:40 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5431:5310:1631:53
10:16
-
10K
6.21 mi12:23:131:03:1210:1031:19
10:05
-0:11
15K
9.32 mi12:55:291:35:2810:1532:16
10:23
+0:18
20K
12.43 mi13:28:492:08:4810:2233:20
10:44
+0:21
Half
13.11 mi13:36:072:16:0610:237:18
10:42
-0:02
25K
15.53 mi14:03:112:43:1010:3027:04
11:10
+0:28
30K
18.64 mi14:40:133:20:1210:4437:02
11:55
+0:45
20M
20.00 mi14:56:263:36:2510:4916:13
11:56
+0:01
21M
21.00 mi15:10:083:50:0710:5713:42
13:42
+1:46
35K
21.75 mi15:18:023:58:0110:577:54
10:34
-3:08
23M
23.00 mi15:32:364:12:3510:5914:34
11:38
+1:04
24M
24.00 mi15:43:464:23:4510:5911:10
11:10
-0:28
40K
24.85 mi15:53:424:33:4111:019:56
11:37
+0:27
25.2M
25.20 mi15:57:564:37:5511:024:14
12:17
+0:40
Finish
26.22 mi16:09:014:49:0011:0211:05
10:53
-1:24

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

10:05 /mi

Average Pace

11:02 /mi

Slowest Pace

13:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:40

38% of race

Time at Steady Pace

1:32:35

32% of race

Time at Slower Pace

1:25:45

30% of race

Average Pace: 11:01 /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 mi11:51:5431:5310:1631:53
10:16
#24128
10K
6.21 mi12:23:131:03:1210:1031:19
10:05
#23999
15K
9.32 mi12:55:291:35:2810:1532:16
10:23
#24103
20K
12.43 mi13:28:492:08:4810:2233:20
10:44
#24142
Half
13.11 mi13:36:072:16:0610:237:18
10:42
#24164
25K
15.53 mi14:03:112:43:1010:3027:04
11:10
#24171
30K
18.64 mi14:40:133:20:1210:4437:02
11:55
#24247
20M
20.00 mi14:56:263:36:2510:4916:13
11:56
#24240
21M
21.00 mi15:10:083:50:0710:5713:42
13:42
#24280
35K
21.75 mi15:18:023:58:0110:577:54
10:34
#24224
23M
23.00 mi15:32:364:12:3510:5914:34
11:38
#24205
24M
24.00 mi15:43:464:23:4510:5911:10
11:10
#24164
40K
24.85 mi15:53:424:33:4111:019:56
11:37
#24123
25.2M
25.20 mi15:57:564:37:5511:024:14
12:17
#24111
Finish
26.22 mi16:09:014:49:0011:0211:05
10:53
#24114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi241289953995324257(Top 91%)10033(Top 88%)10033(Top 552%)
10K6.21 mi3.10 mi23999+1299893+609893+6023869(Top 90%)9817(Top 86%)9817(Top 540%)
15K9.32 mi3.11 mi24103-1049948-559948-5524257(Top 91%)10033(Top 88%)10033(Top 552%)
20K12.43 mi3.11 mi24142-399974-269974-2624219(Top 91%)10043(Top 88%)10043(Top 553%)
Half13.11 mi0.68 mi24164-229988-149988-1424530(Top 92%)10227(Top 90%)10227(Top 563%)
25K15.53 mi2.42 mi24171-710000-1210000-1224217(Top 91%)10066(Top 88%)10066(Top 554%)
30K18.64 mi3.11 mi24247-7610070-7010070-7024407(Top 92%)10224(Top 90%)10224(Top 563%)
20M20.00 mi1.36 mi24240+710071-110071-124122(Top 91%)10141(Top 89%)10141(Top 558%)
21M21.00 mi1.00 mi24280-4010102-3110102-3124780(Top 93%)10493(Top 92%)10493(Top 577%)
35K21.75 mi0.75 mi24224+5610081+2110081+2122515(Top 85%)9334(Top 82%)9334(Top 514%)
23M23.00 mi1.25 mi24205+1910078+310078+323480(Top 88%)9844(Top 86%)9844(Top 542%)
24M24.00 mi1.00 mi24164+4110058+2010058+2023352(Top 88%)9829(Top 86%)9829(Top 541%)
40K24.85 mi0.85 mi24123+4110049+910049+923404(Top 88%)9886(Top 87%)9886(Top 544%)
25.2M25.20 mi0.35 mi24111+1210046+310046+322963(Top 86%)9643(Top 84%)9643(Top 531%)
Finish26.22 mi1.02 mi24114-310051-510051-523758(Top 89%)10036(Top 88%)10036(Top 552%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24257

Females

10033

F45-49

10033

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23869

Females

9817

F45-49

9817

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24257

Females

10033

F45-49

10033

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24219

Females

10043

F45-49

10043

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24530

Females

10227

F45-49

10227

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24217

Females

10066

F45-49

10066

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24407

Females

10224

F45-49

10224

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24122

Females

10141

F45-49

10141

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24780

Females

10493

F45-49

10493

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22515

Females

9334

F45-49

9334

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23480

Females

9844

F45-49

9844

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23352

Females

9829

F45-49

9829

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23404

Females

9886

F45-49

9886

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22963

Females

9643

F45-49

9643

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23758

Females

10036

F45-49

10036

Passing Analysis

Category:
Athletes Passed
980
Passed By
966
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24128
5K → 10K276147+129#24128#23999
10K → 15K87191-104#23999#24103
15K → 20K99138-39#24103#24142
20K → Half1436-22#24142#24164
Half → 25K99106-7#24164#24171
25K → 30K80156-76#24171#24247
30K → 20M5346+7#24247#24240
20M → 21M2464-40#24240#24280
21M → 35K582+56#24280#24224
35K → 23M3920+19#24224#24205
23M → 24M509+41#24205#24164
24M → 40K5716+41#24164#24123
40K → 25.2M208+12#24123#24111
25.2M → Finish2427-3#24111#24114
TOTALS980966+14
📊

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