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BOSTON MARATHON 2023

Lisa Fowler

Bib: 29020•F

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
11:51/mi
1:11:15
↑ 79↓ 1380.4%
15K· 9.32 mi
12:10/mi
1:49:02
↑ 67↓ 78
20K· 12.43 mi
13:03/mi
2:29:35
↑ 106↓ 860.1%
Half· 13.11 mi
12:13/mi
2:37:55
↑ 19↓ 370.5%
25K· 15.53 mi
13:13/mi
3:09:57
↑ 66↓ 880.2%
30K· 18.64 mi
14:19/mi
3:54:26
↑ 181↓ 1480.2%
20M
15:07/mi
4:14:59
↑ 64↓ 500.2%
21M
15:03/mi
4:30:02
↑ 106↓ 241.6%
35K· 21.75 mi
13:33/mi
4:40:10
↑ 17↓ 861.7%
23M
15:50/mi
5:00:00
↑ 23↓ 630.6%
24M
15:07/mi
5:15:07
↓ 821.3%
40K· 24.85 mi
16:03/mi
5:28:50
↓ 200.3%
25.2M
16:40/mi
5:34:35
↑ 13↓ 160.2%
Finish· 26.22 mi
13:22/mi
5:48:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:37:55
Pace12:03 /mi
2nd Half
Distance13.11 mi
Time3:10:17
Pace14:31 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1134:2711:0534:27
11:05
-
10K
6.21 mi12:28:591:11:1511:2836:48
11:51
+0:46
15K
9.32 mi13:06:461:49:0211:4237:47
12:10
+0:19
20K
12.43 mi13:47:192:29:3512:0240:33
13:03
+0:53
Half
13.11 mi13:55:392:37:5512:038:20
12:13
-0:50
25K
15.53 mi14:27:413:09:5712:1432:02
13:13
+1:00
30K
18.64 mi15:12:103:54:2612:3544:29
14:19
+1:06
20M
20.00 mi15:32:434:14:5912:4520:33
15:07
+0:48
21M
21.00 mi15:47:464:30:0212:5215:03
15:03
-0:04
35K
21.75 mi15:57:544:40:1012:5310:08
13:33
-1:30
23M
23.00 mi16:17:445:00:0013:0319:50
15:50
+2:17
24M
24.00 mi16:32:515:15:0713:0815:07
15:07
-0:43
40K
24.85 mi16:46:345:28:5013:1413:43
16:03
+0:56
25.2M
25.20 mi16:52:195:34:3513:175:45
16:40
+0:37
Finish
26.22 mi17:05:565:48:1213:1713:37
13:22
-3:18

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

13:17 /mi

Slowest Pace

16:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:22

34% of race

Time at Steady Pace

2:20:49

40% of race

Time at Slower Pace

1:30:01

26% of race

Average Pace: 13:17 /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 mi11:52:1134:2711:0534:27
11:05
#25809
10K
6.21 mi12:28:591:11:1511:2836:48
11:51
#26075
15K
9.32 mi13:06:461:49:0211:4237:47
12:10
#26116
20K
12.43 mi13:47:192:29:3512:0240:33
13:03
#26172
Half
13.11 mi13:55:392:37:5512:038:20
12:13
#26176
25K
15.53 mi14:27:413:09:5712:1432:02
13:13
#26157
30K
18.64 mi15:12:103:54:2612:3544:29
14:19
#26180
20M
20.00 mi15:32:434:14:5912:4520:33
15:07
#26196
21M
21.00 mi15:47:464:30:0212:5215:03
15:03
#26186
35K
21.75 mi15:57:544:40:1012:5310:08
13:33
#26181
23M
23.00 mi16:17:445:00:0013:0319:50
15:50
#26231
24M
24.00 mi16:32:515:15:0713:0815:07
15:07
#26272
40K
24.85 mi16:46:345:28:5013:1413:43
16:03
#26301
25.2M
25.20 mi16:52:195:34:3513:175:45
16:40
#26308
Finish
26.22 mi17:05:565:48:1213:1713:37
13:22
#26313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25809109291092926156(Top 98%)11137(Top 97%)11137(Top 923%)
10K6.21 mi3.10 mi26075-26611091-16211091-16226184(Top 98%)11157(Top 98%)11157(Top 924%)
15K9.32 mi3.11 mi26116-4111112-2111112-2126156(Top 98%)11137(Top 97%)11137(Top 923%)
20K12.43 mi3.11 mi26172-5611146-3411146-3426254(Top 99%)11203(Top 98%)11203(Top 928%)
Half13.11 mi0.68 mi26176-411149-311149-326013(Top 98%)11067(Top 97%)11067(Top 917%)
25K15.53 mi2.42 mi26157+1911141+811141+825977(Top 98%)11070(Top 97%)11070(Top 917%)
30K18.64 mi3.11 mi26180-2311160-1911160-1926179(Top 98%)11187(Top 98%)11187(Top 927%)
20M20.00 mi1.36 mi26196-1611173-1311173-1326330(Top 99%)11295(Top 99%)11295(Top 936%)
21M21.00 mi1.00 mi26186+1011171+211171+225754(Top 97%)10983(Top 96%)10983(Top 910%)
35K21.75 mi0.75 mi26181+511172-111172-125923(Top 97%)11104(Top 97%)11104(Top 920%)
23M23.00 mi1.25 mi26231-5011207-3511207-3526461(Top 99%)11356(Top 99%)11356(Top 941%)
24M24.00 mi1.00 mi26272-4111229-2211229-2226409(Top 99%)11338(Top 99%)11338(Top 939%)
40K24.85 mi0.85 mi26301-2911244-1511244-1526421(Top 99%)11345(Top 99%)11345(Top 940%)
25.2M25.20 mi0.35 mi26308-711248-411248-426304(Top 99%)11306(Top 99%)11306(Top 937%)
Finish26.22 mi1.02 mi26313-511252-411252-426144(Top 98%)11244(Top 98%)11244(Top 932%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26156

Females

11137

F50-54

11137

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26184

Females

11157

F50-54

11157

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26156

Females

11137

F50-54

11137

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26254

Females

11203

F50-54

11203

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26013

Females

11067

F50-54

11067

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

25977

Females

11070

F50-54

11070

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26179

Females

11187

F50-54

11187

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26330

Females

11295

F50-54

11295

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25754

Females

10983

F50-54

10983

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25923

Females

11104

F50-54

11104

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26461

Females

11356

F50-54

11356

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26409

Females

11338

F50-54

11338

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26421

Females

11345

F50-54

11345

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26304

Females

11306

F50-54

11306

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

26144

Females

11244

F50-54

11244

Passing Analysis

Category:
Athletes Passed
216
Passed By
720
Net Change
-504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25809
5K → 10K20286-266#25809#26075
10K → 15K3879-41#26075#26116
15K → 20K2581-56#26116#26172
20K → Half48-4#26172#26176
Half → 25K4223+19#26176#26157
25K → 30K3457-23#26157#26180
30K → 20M1026-16#26180#26196
20M → 21M2010+10#26196#26186
21M → 35K94+5#26186#26181
35K → 23M353-50#26181#26231
23M → 24M142-41#26231#26272
24M → 40K332-29#26272#26301
40K → 25.2M29-7#26301#26308
25.2M → Finish510-5#26308#26313
TOTALS216720-504
📊

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