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BOSTON MARATHON 2023

Laurie Knowles

GA

Bib: 1999 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Female)
#0 / 11423
Top 0.5%
Masters (Masters Women)
#0 / 6539
Top 0.1%
Division (F45-49)
#0 / 1817
Top 0.1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:21/mi
19:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:15/mi
39:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:13/mi
58:30
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:18/mi
1:18:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:09/mi
1:22:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:14/mi
1:37:23
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:20/mi
1:57:03
↑ 181↓ 1480.2%
138 ft elev
20M
6:25/mi
2:05:46
↑ 64↓ 500.2%
148 ft elev
21M
6:52/mi
2:12:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:13/mi
2:17:17
↑ 17↓ 861.7%
156 ft elev
23M
6:28/mi
2:25:23
↑ 23↓ 630.6%
116 ft elev
24M
6:14/mi
2:31:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:24/mi
2:37:05
↓ 200.3%
20 ft elev
25.2M
6:58/mi
2:39:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:24/mi
2:46:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:22:166:17 /mi⚡ faster
2nd Half
1:23:446:23 /mi+1.8%
Positive split — 1.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:456:213.11 mi19:45
6:21
-
10K
39:106:183.10 mi19:25
6:15
-0:06
15K
58:306:173.11 mi19:20
6:13
-0:02
20K
1:18:046:173.11 mi19:34
6:18
+0:05
Half(13.11 mi)
1:22:166:170.68 mi4:12
6:09
-0:09
25K
1:37:236:162.42 mi15:07
6:14
+0:05
30K
1:57:036:173.11 mi19:40
6:20
+0:06
20M
2:05:466:171.36 mi8:43
6:25
+0:05
21M
2:12:386:191.00 mi6:52
6:52
+0:27
35K
2:17:176:190.75 mi4:39
6:13
-0:39
23M
2:25:236:191.25 mi8:06
6:28
+0:15
24M
2:31:376:191.00 mi6:14
6:14
-0:14
40K
2:37:056:190.85 mi5:28
6:24
+0:10
25.2M
2:39:296:200.35 mi2:24
6:58
+0:34
Finish(26.22 mi)
2:46:006:201.02 mi6:31
6:24
-0:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:09 /mi

Average Pace

6:20 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:36:44

94% of race

Time at Steady Pace

9:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi1643777713296161
10K6.21 mi3.10 mi1584+5971+671+615656767
15K9.32 mi3.11 mi1479+10567+467+413296161
20K12.43 mi3.11 mi1434+4566+166+113806060
Half13.11 mi0.68 mi1416+18666612325151
25K15.53 mi2.42 mi1346+7061+561+511025252
30K18.64 mi3.11 mi1260+8655+655+610034949
20M20.00 mi1.36 mi1243+17555511925858
21M21.00 mi1.00 mi1250-7555516667878
35K21.75 mi0.75 mi1236+14555513246565
23M23.00 mi1.25 mi1219+17555513386969
24M24.00 mi1.00 mi1194+2554+154+111545959
40K24.85 mi0.85 mi1185+955-155-112106969
25.2M25.20 mi0.35 mi1186-1555516889898
Finish26.22 mi1.02 mi1205-1956-156-12023135135

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1329

Females

61

F45-49

61

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1565

Females

67

F45-49

67

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1329

Females

61

F45-49

61

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1380

Females

60

F45-49

60

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1232

Females

51

F45-49

51

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1102

Females

52

F45-49

52

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1003

Females

49

F45-49

49

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1192

Females

58

F45-49

58

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1666

Females

78

F45-49

78

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1324

Females

65

F45-49

65

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1338

Females

69

F45-49

69

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1154

Females

59

F45-49

59

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1210

Females

69

F45-49

69

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1688

Females

98

F45-49

98

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2023

Females

135

F45-49

135

Passing Analysis

Category:
Athletes Passed
667
Passed By
229
Net Change
+438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1643
5K → 10K11960+59#1643#1584
10K → 15K12116+105#1584#1479
15K → 20K7025+45#1479#1434
20K → Half224+18#1434#1416
Half → 25K744+70#1416#1346
25K → 30K915+86#1346#1260
30K → 20M2912+17#1260#1243
20M → 21M1926-7#1243#1250
21M → 35K239+14#1250#1236
35K → 23M3013+17#1236#1219
23M → 24M294+25#1219#1194
24M → 40K1910+9#1194#1185
40K → 25.2M78-1#1185#1186
25.2M → Finish1433-19#1186#1205
TOTALS667229+438

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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