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BOSTON MARATHON 2023

Meredith Knowles

Bib: 26878•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 (F50-54)
#0 / 1207
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
11:05/mi
34:27
↑ 97↓ 3451.5%
10K· 6.21 mi
11:29/mi
1:10:07
↑ 79↓ 1380.4%
15K· 9.32 mi
12:25/mi
1:48:41
↑ 67↓ 78
20K· 12.43 mi
12:42/mi
2:28:09
↑ 106↓ 860.1%
Half· 13.11 mi
12:44/mi
2:36:50
↑ 19↓ 370.5%
25K· 15.53 mi
13:29/mi
3:09:32
↑ 66↓ 880.2%
30K· 18.64 mi
13:55/mi
3:52:45
↑ 181↓ 1480.2%
20M
13:25/mi
4:10:59
↑ 64↓ 500.2%
21M
14:40/mi
4:25:39
↑ 106↓ 241.6%
35K· 21.75 mi
12:30/mi
4:35:00
↑ 17↓ 861.7%
23M
13:03/mi
4:51:20
↑ 23↓ 630.6%
24M
12:43/mi
5:04:03
↓ 821.3%
40K· 24.85 mi
13:34/mi
5:15:39
↓ 200.3%
25.2M
13:32/mi
5:20:19
↑ 13↓ 160.2%
Finish· 26.22 mi
12:21/mi
5:32:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:50
Pace11:58 /mi
2nd Half
Distance13.11 mi
Time2:56:04
Pace13:26 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1934:2711:0534:27
11:05
-
10K
6.21 mi12:29:591:10:0711:1735:40
11:29
+0:24
15K
9.32 mi13:08:331:48:4111:4038:34
12:25
+0:56
20K
12.43 mi13:48:012:28:0911:5539:28
12:42
+0:17
Half
13.11 mi13:56:422:36:5011:588:41
12:44
+0:02
25K
15.53 mi14:29:243:09:3212:1232:42
13:29
+0:45
30K
18.64 mi15:12:373:52:4512:2943:13
13:55
+0:26
20M
20.00 mi15:30:514:10:5912:3318:14
13:25
-0:30
21M
21.00 mi15:45:314:25:3912:3914:40
14:40
+1:15
35K
21.75 mi15:54:524:35:0012:399:21
12:30
-2:10
23M
23.00 mi16:11:124:51:2012:4016:20
13:03
+0:33
24M
24.00 mi16:23:555:04:0312:4012:43
12:43
-0:20
40K
24.85 mi16:35:315:15:3912:4211:36
13:34
+0:51
25.2M
25.20 mi16:40:115:20:1912:434:40
13:32
-0:02
Finish
26.22 mi16:52:465:32:5412:4212:35
12:21
-1:11

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

11:05 /mi

Average Pace

12:42 /mi

Slowest Pace

14:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:07

21% of race

Time at Steady Pace

2:17:42

41% of race

Time at Slower Pace

2:05:05

38% of race

Average Pace: 12:42 /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 mi11:54:1934:2711:0534:27
11:05
#25808
10K
6.21 mi12:29:591:10:0711:1735:40
11:29
#25906
15K
9.32 mi13:08:331:48:4111:4038:34
12:25
#26091
20K
12.43 mi13:48:012:28:0911:5539:28
12:42
#26108
Half
13.11 mi13:56:422:36:5011:588:41
12:44
#26120
25K
15.53 mi14:29:243:09:3212:1232:42
13:29
#26148
30K
18.64 mi15:12:373:52:4512:2943:13
13:55
#26132
20M
20.00 mi15:30:514:10:5912:3318:14
13:25
#26100
21M
21.00 mi15:45:314:25:3912:3914:40
14:40
#26070
35K
21.75 mi15:54:524:35:0012:399:21
12:30
#26050
23M
23.00 mi16:11:124:51:2012:4016:20
13:03
#26009
24M
24.00 mi16:23:555:04:0312:4012:43
12:43
#25999
40K
24.85 mi16:35:315:15:3912:4211:36
13:34
#25986
25.2M
25.20 mi16:40:115:20:1912:434:40
13:32
#25969
Finish
26.22 mi16:52:465:32:5412:4212:35
12:21
#25973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25808109281092826280(Top 99%)11222(Top 98%)11222(Top 930%)
10K6.21 mi3.10 mi25906-9810983-5510983-5525946(Top 97%)11005(Top 96%)11005(Top 912%)
15K9.32 mi3.11 mi26091-18511095-11211095-11226280(Top 99%)11222(Top 98%)11222(Top 930%)
20K12.43 mi3.11 mi26108-1711111-1611111-1626083(Top 98%)11101(Top 97%)11101(Top 920%)
Half13.11 mi0.68 mi26120-1211115-411115-426262(Top 99%)11221(Top 98%)11221(Top 930%)
25K15.53 mi2.42 mi26148-2811136-2111136-2126116(Top 98%)11140(Top 98%)11140(Top 923%)
30K18.64 mi3.11 mi26132+1611138-211138-225987(Top 98%)11095(Top 97%)11095(Top 919%)
20M20.00 mi1.36 mi26100+3211119+1911119+1925486(Top 96%)10854(Top 95%)10854(Top 899%)
21M21.00 mi1.00 mi26070+3011105+1411105+1425539(Top 96%)10875(Top 95%)10875(Top 901%)
35K21.75 mi0.75 mi26050+2011095+1011095+1025185(Top 95%)10753(Top 94%)10753(Top 891%)
23M23.00 mi1.25 mi26009+4111071+2411071+2425137(Top 94%)10704(Top 94%)10704(Top 887%)
24M24.00 mi1.00 mi25999+1011066+511066+525265(Top 95%)10809(Top 95%)10809(Top 896%)
40K24.85 mi0.85 mi25986+1311059+711059+725402(Top 95%)10870(Top 95%)10870(Top 901%)
25.2M25.20 mi0.35 mi25969+1711052+711052+724582(Top 92%)10482(Top 92%)10482(Top 868%)
Finish26.22 mi1.02 mi25973-411056-411056-425561(Top 96%)10953(Top 96%)10953(Top 907%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26280

Females

11222

F50-54

11222

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25946

Females

11005

F50-54

11005

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26280

Females

11222

F50-54

11222

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26083

Females

11101

F50-54

11101

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26262

Females

11221

F50-54

11221

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26116

Females

11140

F50-54

11140

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25987

Females

11095

F50-54

11095

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

25486

Females

10854

F50-54

10854

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25539

Females

10875

F50-54

10875

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25185

Females

10753

F50-54

10753

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

25137

Females

10704

F50-54

10704

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25265

Females

10809

F50-54

10809

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25402

Females

10870

F50-54

10870

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24582

Females

10482

F50-54

10482

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25561

Females

10953

F50-54

10953

Passing Analysis

Category:
Athletes Passed
407
Passed By
572
Net Change
-165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25808
5K → 10K70168-98#25808#25906
10K → 15K13198-185#25906#26091
15K → 20K4259-17#26091#26108
20K → Half214-12#26108#26120
Half → 25K2351-28#26120#26148
25K → 30K5236+16#26148#26132
30K → 20M408+32#26132#26100
20M → 21M366+30#26100#26070
21M → 35K222+20#26070#26050
35K → 23M454+41#26050#26009
23M → 24M2010+10#26009#25999
24M → 40K196+13#25999#25986
40K → 25.2M170+17#25986#25969
25.2M → Finish610-4#25969#25973
TOTALS407572-165
📊

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