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BOSTON MARATHON 2023

Alexandra Anasson

Bib: 11857•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:14:59
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:41:30
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:47:13
↑ 19↓ 370.5%
25K· 15.53 mi
9:19/mi
2:09:48
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:38:38
↑ 181↓ 1480.2%
20M
9:28/mi
2:51:30
↑ 64↓ 500.2%
21M
9:52/mi
3:01:22
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:08:42
↑ 17↓ 861.7%
23M
9:31/mi
3:20:37
↑ 23↓ 630.6%
24M
9:17/mi
3:29:54
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:37:55
↓ 200.3%
25.2M
10:06/mi
3:41:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:50:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:03:19
Pace9:24 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3124:467:5824:46
7:58
-
10K
6.21 mi11:16:1649:317:5824:45
7:58
0:00
15K
9.32 mi11:41:441:14:598:0325:28
8:12
+0:14
20K
12.43 mi12:08:151:41:308:1026:31
8:32
+0:20
Half
13.11 mi12:13:581:47:138:115:43
8:23
-0:09
25K
15.53 mi12:36:332:09:488:2122:35
9:19
+0:56
30K
18.64 mi13:05:232:38:388:3128:50
9:17
-0:02
20M
20.00 mi13:18:152:51:308:3412:52
9:28
+0:11
21M
21.00 mi13:28:073:01:228:389:52
9:52
+0:24
35K
21.75 mi13:35:273:08:428:417:20
9:48
-0:04
23M
23.00 mi13:47:223:20:378:4311:55
9:31
-0:17
24M
24.00 mi13:56:393:29:548:459:17
9:17
-0:14
40K
24.85 mi14:04:403:37:558:468:01
9:23
+0:06
25.2M
25.20 mi14:08:093:41:248:473:29
10:06
+0:43
Finish
26.22 mi14:17:173:50:328:489:08
8:58
-1:08

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

7:58 /mi

Average Pace

8:48 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:13

47% of race

Time at Steady Pace

1:42:38

45% of race

Time at Slower Pace

20:41

9% of race

Average Pace: 8:48 /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 mi10:51:3124:467:5824:46
7:58
#13838
10K
6.21 mi11:16:1649:317:5824:45
7:58
#14165
15K
9.32 mi11:41:441:14:598:0325:28
8:12
#14705
20K
12.43 mi12:08:151:41:308:1026:31
8:32
#15364
Half
13.11 mi12:13:581:47:138:115:43
8:23
#15449
25K
15.53 mi12:36:332:09:488:2122:35
9:19
#16447
30K
18.64 mi13:05:232:38:388:3128:50
9:17
#16832
20M
20.00 mi13:18:152:51:308:3412:52
9:28
#16979
21M
21.00 mi13:28:073:01:228:389:52
9:52
#17005
35K
21.75 mi13:35:273:08:428:417:20
9:48
#17211
23M
23.00 mi13:47:223:20:378:4311:55
9:31
#17299
24M
24.00 mi13:56:393:29:548:459:17
9:17
#17379
40K
24.85 mi14:04:403:37:558:468:01
9:23
#17411
25.2M
25.20 mi14:08:093:41:248:473:29
10:06
#17426
Finish
26.22 mi14:17:173:50:328:489:08
8:58
#17459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138383926392615862(Top 60%)5208(Top 46%)5208(Top 107%)
10K6.21 mi3.10 mi14165-3274146-2204146-22014566(Top 55%)4402(Top 39%)4402(Top 90%)
15K9.32 mi3.11 mi14705-5404479-3334479-33315862(Top 60%)5208(Top 46%)5208(Top 107%)
20K12.43 mi3.11 mi15364-6594911-4324911-43217096(Top 64%)5985(Top 52%)5985(Top 123%)
Half13.11 mi0.68 mi15449-854969-584969-5817065(Top 64%)5944(Top 52%)5944(Top 122%)
25K15.53 mi2.42 mi16447-9985608-6395608-63920240(Top 76%)7828(Top 69%)7828(Top 160%)
30K18.64 mi3.11 mi16832-3855866-2585866-25818532(Top 70%)6938(Top 61%)6938(Top 142%)
20M20.00 mi1.36 mi16979-1475957-915957-9118751(Top 70%)7155(Top 63%)7155(Top 146%)
21M21.00 mi1.00 mi17005-265993-365993-3617525(Top 66%)6493(Top 57%)6493(Top 133%)
35K21.75 mi0.75 mi17211-2066128-1356128-13520766(Top 78%)8366(Top 73%)8366(Top 171%)
23M23.00 mi1.25 mi17299-886195-676195-6718402(Top 69%)7074(Top 62%)7074(Top 145%)
24M24.00 mi1.00 mi17379-806257-626257-6218401(Top 69%)7108(Top 62%)7108(Top 146%)
40K24.85 mi0.85 mi17411-326288-316288-3117861(Top 67%)6869(Top 60%)6869(Top 141%)
25.2M25.20 mi0.35 mi17426-156309-216309-2117806(Top 67%)6856(Top 60%)6856(Top 140%)
Finish26.22 mi1.02 mi17459-336338-296338-2917804(Top 67%)6808(Top 60%)6808(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15862

Females

5208

F18-39

5208

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14566

Females

4402

F18-39

4402

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15862

Females

5208

F18-39

5208

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17096

Females

5985

F18-39

5985

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17065

Females

5944

F18-39

5944

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20240

Females

7828

F18-39

7828

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18532

Females

6938

F18-39

6938

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18751

Females

7155

F18-39

7155

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17525

Females

6493

F18-39

6493

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20766

Females

8366

F18-39

8366

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18402

Females

7074

F18-39

7074

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18401

Females

7108

F18-39

7108

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17861

Females

6869

F18-39

6869

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17806

Females

6856

F18-39

6856

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17804

Females

6808

F18-39

6808

Passing Analysis

Category:
Athletes Passed
725
Passed By
4346
Net Change
-3621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13838
5K → 10K150477-327#13838#14165
10K → 15K64604-540#14165#14705
15K → 20K43702-659#14705#15364
20K → Half1499-85#15364#15449
Half → 25K201018-998#15449#16447
25K → 30K91476-385#16447#16832
30K → 20M35182-147#16832#16979
20M → 21M79105-26#16979#17005
21M → 35K9215-206#17005#17211
35K → 23M53141-88#17211#17299
23M → 24M46126-80#17299#17379
24M → 40K4577-32#17379#17411
40K → 25.2M2641-15#17411#17426
25.2M → Finish5083-33#17426#17459
TOTALS7254346-3621
📊

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