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BOSTON MARATHON 2023

Lynn Bucknall

Bib: 23273•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F60-64)
#0 / 527
Top 16%
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
8:43/mi
27:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:20:51
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:47:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:53:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:14:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:41:39
↑ 181↓ 1480.2%
20M
8:49/mi
2:53:38
↑ 64↓ 500.2%
21M
9:24/mi
3:03:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
3:09:38
↑ 17↓ 861.7%
23M
9:01/mi
3:20:55
↑ 23↓ 630.6%
24M
8:49/mi
3:29:44
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:37:34
↓ 200.3%
25.2M
9:57/mi
3:41:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:14/mi
3:50:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:25
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3327:068:4327:06
8:43
-
10K
6.21 mi11:49:5654:298:4627:23
8:49
+0:06
15K
9.32 mi12:16:181:20:518:4026:22
8:29
-0:20
20K
12.43 mi12:42:591:47:328:3926:41
8:35
+0:06
Half
13.11 mi12:48:521:53:258:395:53
8:37
+0:02
25K
15.53 mi13:09:552:14:288:3921:03
8:41
+0:04
30K
18.64 mi13:37:062:41:398:4027:11
8:45
+0:04
20M
20.00 mi13:49:052:53:388:4111:59
8:49
+0:04
21M
21.00 mi13:58:293:03:028:439:24
9:24
+0:35
35K
21.75 mi14:05:053:09:388:436:36
8:49
-0:35
23M
23.00 mi14:16:223:20:558:4411:17
9:01
+0:12
24M
24.00 mi14:25:113:29:448:448:49
8:49
-0:12
40K
24.85 mi14:33:013:37:348:457:50
9:10
+0:21
25.2M
25.20 mi14:36:273:41:008:463:26
9:57
+0:47
Finish
26.22 mi14:45:523:50:258:489:25
9:14
-0:43

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

8:29 /mi

Average Pace

8:48 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:35

94% of race

Time at Steady Pace

12:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:22:3327:068:4327:06
8:43
#19035
10K
6.21 mi11:49:5654:298:4627:23
8:49
#19502
15K
9.32 mi12:16:181:20:518:4026:22
8:29
#18900
20K
12.43 mi12:42:591:47:328:3926:41
8:35
#18523
Half
13.11 mi12:48:521:53:258:395:53
8:37
#18528
25K
15.53 mi13:09:552:14:288:3921:03
8:41
#18310
30K
18.64 mi13:37:062:41:398:4027:11
8:45
#17788
20M
20.00 mi13:49:052:53:388:4111:59
8:49
#17615
21M
21.00 mi13:58:293:03:028:439:24
9:24
#17481
35K
21.75 mi14:05:053:09:388:436:36
8:49
#17464
23M
23.00 mi14:16:223:20:558:4411:17
9:01
#17380
24M
24.00 mi14:25:113:29:448:448:49
8:49
#17339
40K
24.85 mi14:33:013:37:348:457:50
9:10
#17318
25.2M
25.20 mi14:36:273:41:008:463:26
9:57
#17312
Finish
26.22 mi14:45:523:50:258:489:25
9:14
#17426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi190357221722117726(Top 67%)6352(Top 56%)6352(Top 1205%)
10K6.21 mi3.10 mi19502-4677463-2427463-24220004(Top 75%)7698(Top 67%)7698(Top 1461%)
15K9.32 mi3.11 mi18900+6027068+3957068+39517726(Top 67%)6352(Top 56%)6352(Top 1205%)
20K12.43 mi3.11 mi18523+3776816+2526816+25217431(Top 65%)6184(Top 54%)6184(Top 1173%)
Half13.11 mi0.68 mi18528-56820-46820-418484(Top 69%)6761(Top 59%)6761(Top 1283%)
25K15.53 mi2.42 mi18310+2186713+1076713+10717296(Top 65%)6169(Top 54%)6169(Top 1171%)
30K18.64 mi3.11 mi17788+5226427+2866427+28615793(Top 59%)5384(Top 47%)5384(Top 1022%)
20M20.00 mi1.36 mi17615+1736341+866341+8615569(Top 58%)5326(Top 47%)5326(Top 1011%)
21M21.00 mi1.00 mi17481+1346281+606281+6015504(Top 58%)5359(Top 47%)5359(Top 1017%)
35K21.75 mi0.75 mi17464+176281628117088(Top 64%)6326(Top 55%)6326(Top 1200%)
23M23.00 mi1.25 mi17380+846246+356246+3516143(Top 61%)5823(Top 51%)5823(Top 1105%)
24M24.00 mi1.00 mi17339+416232+146232+1416325(Top 61%)5988(Top 52%)5988(Top 1136%)
40K24.85 mi0.85 mi17318+216240-86240-816946(Top 64%)6370(Top 56%)6370(Top 1209%)
25.2M25.20 mi0.35 mi17312+66241-16241-117235(Top 65%)6561(Top 57%)6561(Top 1245%)
Finish26.22 mi1.02 mi17426-1146318-776318-7719122(Top 72%)7499(Top 66%)7499(Top 1423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17726

Females

6352

F60-64

6352

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20004

Females

7698

F60-64

7698

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17726

Females

6352

F60-64

6352

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17431

Females

6184

F60-64

6184

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18484

Females

6761

F60-64

6761

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17296

Females

6169

F60-64

6169

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15793

Females

5384

F60-64

5384

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15569

Females

5326

F60-64

5326

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15504

Females

5359

F60-64

5359

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17088

Females

6326

F60-64

6326

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16143

Females

5823

F60-64

5823

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16325

Females

5988

F60-64

5988

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16946

Females

6370

F60-64

6370

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17235

Females

6561

F60-64

6561

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19122

Females

7499

F60-64

7499

Passing Analysis

Category:
Athletes Passed
2750
Passed By
1141
Net Change
+1609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19035
5K → 10K154621-467#19035#19502
10K → 15K63230+602#19502#18900
15K → 20K40528+377#18900#18523
20K → Half2732-5#18523#18528
Half → 25K25840+218#18528#18310
25K → 30K53311+522#18310#17788
30K → 20M18613+173#17788#17615
20M → 21M16127+134#17615#17481
21M → 35K5639+17#17481#17464
35K → 23M12440+84#17464#17380
23M → 24M8039+41#17380#17339
24M → 40K7756+21#17339#17318
40K → 25.2M3125+6#17318#17312
25.2M → Finish26140-114#17312#17426
TOTALS27501141+1609
📊

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