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BOSTON MARATHON 2023

Sara Lane

Bib: 21834•F

CA

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
8:41/mi
27:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
53:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:20:43
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:47:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:15:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:44:04
↑ 181↓ 1480.2%
20M
9:19/mi
2:56:44
↑ 64↓ 500.2%
21M
10:34/mi
3:07:18
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:14:02
↑ 17↓ 861.7%
23M
10:14/mi
3:26:51
↑ 23↓ 630.6%
24M
14:07/mi
3:40:58
↓ 821.3%
40K· 24.85 mi
15:31/mi
3:54:14
↓ 200.3%
25.2M
16:00/mi
3:59:45
↑ 13↓ 160.2%
Finish· 26.22 mi
11:13/mi
4:11:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:50
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:17:21
Pace10:29 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2327:008:4127:00
8:41
-
10K
6.21 mi11:48:1353:508:4026:50
8:38
-0:03
15K
9.32 mi12:15:061:20:438:4026:53
8:39
+0:01
20K
12.43 mi12:42:181:47:558:4127:12
8:45
+0:06
Half
13.11 mi12:48:131:53:508:415:55
8:40
-0:05
25K
15.53 mi13:09:382:15:158:4221:25
8:50
+0:10
30K
18.64 mi13:38:272:44:048:4828:49
9:17
+0:27
20M
20.00 mi13:51:072:56:448:5012:40
9:19
+0:02
21M
21.00 mi14:01:413:07:188:5510:34
10:34
+1:15
35K
21.75 mi14:08:253:14:028:556:44
9:00
-1:34
23M
23.00 mi14:21:143:26:519:0012:49
10:14
+1:14
24M
24.00 mi14:35:213:40:589:1214:07
14:07
+3:53
40K
24.85 mi14:48:373:54:149:2513:16
15:31
+1:24
25.2M
25.20 mi14:54:083:59:459:315:31
16:00
+0:29
Finish
26.22 mi15:05:344:11:119:3511:26
11:13
-4:47

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

8:38 /mi

Average Pace

9:35 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:16:17

78% of race

Time at Slower Pace

54:54

22% of race

Average Pace: 9:35 /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 mi11:21:2327:008:4127:00
8:41
#18835
10K
6.21 mi11:48:1353:508:4026:50
8:38
#18920
15K
9.32 mi12:15:061:20:438:4026:53
8:39
#18813
20K
12.43 mi12:42:181:47:558:4127:12
8:45
#18715
Half
13.11 mi12:48:131:53:508:415:55
8:40
#18717
25K
15.53 mi13:09:382:15:158:4221:25
8:50
#18611
30K
18.64 mi13:38:272:44:048:4828:49
9:17
#18596
20M
20.00 mi13:51:072:56:448:5012:40
9:19
#18535
21M
21.00 mi14:01:413:07:188:5510:34
10:34
#18640
35K
21.75 mi14:08:253:14:028:556:44
9:00
#18607
23M
23.00 mi14:21:143:26:519:0012:49
10:14
#18791
24M
24.00 mi14:35:213:40:589:1214:07
14:07
#19691
40K
24.85 mi14:48:373:54:149:2513:16
15:31
#20376
25.2M
25.20 mi14:54:083:59:459:315:31
16:00
#20611
Finish
26.22 mi15:05:344:11:119:3511:26
11:13
#20792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi188357102710218755(Top 70%)6958(Top 61%)6958(Top 576%)
10K6.21 mi3.10 mi18920-857096+67096+619077(Top 72%)7132(Top 62%)7132(Top 591%)
15K9.32 mi3.11 mi18813+1077016+807016+8018755(Top 70%)6958(Top 61%)6958(Top 576%)
20K12.43 mi3.11 mi18715+986944+726944+7218455(Top 69%)6772(Top 59%)6772(Top 561%)
Half13.11 mi0.68 mi18717-26947-36947-318858(Top 71%)7014(Top 61%)7014(Top 581%)
25K15.53 mi2.42 mi18611+1066900+476900+4718157(Top 68%)6640(Top 58%)6640(Top 550%)
30K18.64 mi3.11 mi18596+156920-206920-2018522(Top 70%)6934(Top 61%)6934(Top 574%)
20M20.00 mi1.36 mi18535+616889+316889+3118135(Top 68%)6821(Top 60%)6821(Top 565%)
21M21.00 mi1.00 mi18640-1056953-646953-6419824(Top 74%)7838(Top 69%)7838(Top 649%)
35K21.75 mi0.75 mi18607+336937+166937+1617958(Top 67%)6826(Top 60%)6826(Top 566%)
23M23.00 mi1.25 mi18791-1847068-1317068-13120692(Top 78%)8346(Top 73%)8346(Top 691%)
24M24.00 mi1.00 mi19691-9007589-5217589-52126118(Top 98%)11220(Top 98%)11220(Top 930%)
40K24.85 mi0.85 mi20376-6858001-4128001-41226316(Top 99%)11310(Top 99%)11310(Top 937%)
25.2M25.20 mi0.35 mi20611-2358141-1408141-14026121(Top 98%)11223(Top 98%)11223(Top 930%)
Finish26.22 mi1.02 mi20792-1818252-1118252-11124338(Top 91%)10326(Top 90%)10326(Top 856%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18755

Females

6958

F50-54

6958

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19077

Females

7132

F50-54

7132

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18755

Females

6958

F50-54

6958

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18455

Females

6772

F50-54

6772

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18858

Females

7014

F50-54

7014

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18157

Females

6640

F50-54

6640

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18522

Females

6934

F50-54

6934

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18135

Females

6821

F50-54

6821

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19824

Females

7838

F50-54

7838

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17958

Females

6826

F50-54

6826

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20692

Females

8346

F50-54

8346

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

26118

Females

11220

F50-54

11220

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26316

Females

11310

F50-54

11310

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26121

Females

11223

F50-54

11223

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24338

Females

10326

F50-54

10326

Passing Analysis

Category:
Athletes Passed
1406
Passed By
3363
Net Change
-1957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18835
5K → 10K301386-85#18835#18920
10K → 15K244137+107#18920#18813
15K → 20K203105+98#18813#18715
20K → Half2830-2#18715#18717
Half → 25K17670+106#18717#18611
25K → 30K175160+15#18611#18596
30K → 20M11958+61#18596#18535
20M → 21M51156-105#18535#18640
21M → 35K6027+33#18640#18607
35K → 23M37221-184#18607#18791
23M → 24M2902-900#18791#19691
24M → 40K1686-685#19691#20376
40K → 25.2M0235-235#20376#20611
25.2M → Finish9190-181#20611#20792
TOTALS14063363-1957
📊

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