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BOSTON MARATHON 2023

Amanda Fack

Bib: 18656•F

IN

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Age Group (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
25:08
Rank: #14656
Start → 5K
25:08 | 8:05/mi
10K· 6.21 mi
49:41
Rank: #14367 (+289)
5K → 10K
24:33 | 7:54/mi
15K· 9.32 mi
1:14:34
Rank: #14363 (+4)
10K → 15K
24:53 | 8:01/mi
20K· 12.43 mi
1:41:26
Rank: #15333 (-970)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:46:59
Rank: #15314 (+19)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:08:40
Rank: #15924 (-610)
Half → 25K
21:41 | 8:57/mi
30K· 18.64 mi
2:37:19
Rank: #16403 (-479)
25K → 30K
28:39 | 9:13/mi
20M
2:50:03
Rank: #16554 (-151)
30K → 20M
12:44 | 9:22/mi
21M
3:00:21
Rank: #16734 (-180)
20M → 21M
10:18 | 10:18/mi
35K· 21.75 mi
3:06:57
Rank: #16733 (+1)
21M → 35K
6:36 | 8:49/mi
23M
3:18:35
Rank: #16789 (-56)
35K → 23M
11:38 | 9:17/mi
24M
3:27:20
Rank: #16740 (+49)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:34:42
Rank: #16634 (+106)
24M → 40K
7:22 | 8:37/mi
25.2M
3:37:48
Rank: #16557 (+77)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:46:04
Rank: #16396 (+161)
25.2M → Finish
8:16 | 8:07/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:59:05
Pace9:05 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3725:088:0525:08
8:05
-
10K
6.21 mi11:41:1049:418:0024:33
7:54
-0:11
15K
9.32 mi12:06:031:14:348:0024:53
8:01
+0:07
20K
12.43 mi12:32:551:41:268:1026:52
8:39
+0:38
Half
13.11 mi12:38:281:46:598:105:33
8:08
-0:31
25K
15.53 mi13:00:092:08:408:1721:41
8:57
+0:49
30K
18.64 mi13:28:482:37:198:2628:39
9:13
+0:16
20M
20.00 mi13:41:322:50:038:3012:44
9:22
+0:09
21M
21.00 mi13:51:503:00:218:3510:18
10:18
+0:56
35K
21.75 mi13:58:263:06:578:366:36
8:49
-1:29
23M
23.00 mi14:10:043:18:358:3811:38
9:17
+0:28
24M
24.00 mi14:18:493:27:208:388:45
8:45
-0:32
40K
24.85 mi14:26:113:34:428:387:22
8:37
-0:08
25.2M
25.20 mi14:29:173:37:488:393:06
8:59
+0:22
Finish
26.22 mi14:37:333:46:048:388:16
8:07
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:54 /mi

Average Pace

8:38 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:28:23

39% of race

Time at Steady Pace

1:14:22

33% of race

Time at Slower Pace

1:03:19

28% of race

Average Pace: 8:37 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:3725:088:0525:08
8:05
#14656
10K
6.21 mi11:41:1049:418:0024:33
7:54
#14367
15K
9.32 mi12:06:031:14:348:0024:53
8:01
#14363
20K
12.43 mi12:32:551:41:268:1026:52
8:39
#15333
Half
13.11 mi12:38:281:46:598:105:33
8:08
#15314
25K
15.53 mi13:00:092:08:408:1721:41
8:57
#15924
30K
18.64 mi13:28:482:37:198:2628:39
9:13
#16403
20M
20.00 mi13:41:322:50:038:3012:44
9:22
#16554
21M
21.00 mi13:51:503:00:218:3510:18
10:18
#16734
35K
21.75 mi13:58:263:06:578:366:36
8:49
#16733
23M
23.00 mi14:10:043:18:358:3811:38
9:17
#16789
24M
24.00 mi14:18:493:27:208:388:45
8:45
#16740
40K
24.85 mi14:26:113:34:428:387:22
8:37
#16634
25.2M
25.20 mi14:29:173:37:488:393:06
8:59
#16557
Finish
26.22 mi14:37:333:46:048:388:16
8:07
#16396
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146564425442514484(Top 54%)4376(Top 38%)4376(Top 90%)
10K6.21 mi3.10 mi14367+2894266+1594266+15914026(Top 53%)4065(Top 36%)4065(Top 83%)
15K9.32 mi3.11 mi14363+44272-64272-614484(Top 54%)4376(Top 38%)4376(Top 90%)
20K12.43 mi3.11 mi15333-9704892-6204892-62017787(Top 67%)6390(Top 56%)6390(Top 131%)
Half13.11 mi0.68 mi15314+194885+74885+715411(Top 58%)4945(Top 43%)4945(Top 101%)
25K15.53 mi2.42 mi15924-6105289-4045289-40418681(Top 70%)6950(Top 61%)6950(Top 142%)
30K18.64 mi3.11 mi16403-4795626-3375626-33718258(Top 69%)6791(Top 59%)6791(Top 139%)
20M20.00 mi1.36 mi16554-1515731-1055731-10518327(Top 69%)6917(Top 61%)6917(Top 142%)
21M21.00 mi1.00 mi16734-1805835-1045835-10419028(Top 71%)7355(Top 64%)7355(Top 151%)
35K21.75 mi0.75 mi16733+15839-45839-417070(Top 64%)6308(Top 55%)6308(Top 129%)
23M23.00 mi1.25 mi16789-565896-575896-5717484(Top 66%)6556(Top 57%)6556(Top 134%)
24M24.00 mi1.00 mi16740+495886+105886+1015955(Top 60%)5783(Top 51%)5783(Top 118%)
40K24.85 mi0.85 mi16634+1065843+435843+4314092(Top 53%)4803(Top 42%)4803(Top 98%)
25.2M25.20 mi0.35 mi16557+775806+375806+3712587(Top 47%)4046(Top 35%)4046(Top 83%)
Finish26.22 mi1.02 mi16396+1615717+895717+8912904(Top 48%)4175(Top 37%)4175(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14484

Females

4376

F18-39

4376

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14026

Females

4065

F18-39

4065

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14484

Females

4376

F18-39

4376

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17787

Females

6390

F18-39

6390

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15411

Females

4945

F18-39

4945

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18681

Females

6950

F18-39

6950

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18258

Females

6791

F18-39

6791

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18327

Females

6917

F18-39

6917

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

19028

Females

7355

F18-39

7355

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

17070

Females

6308

F18-39

6308

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17484

Females

6556

F18-39

6556

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15955

Females

5783

F18-39

5783

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14092

Females

4803

F18-39

4803

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12587

Females

4046

F18-39

4046

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12904

Females

4175

F18-39

4175

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1465
Passed By
3205
Net Change
-1740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14656
5K → 10K464175+289#14656#14367
10K → 15K188184+4#14367#14363
15K → 20K28998-970#14363#15333
20K → Half4021+19#15333#15314
Half → 25K29639-610#15314#15924
25K → 30K76555-479#15924#16403
30K → 20M43194-151#16403#16554
20M → 21M33213-180#16554#16734
21M → 35K3938+1#16734#16733
35K → 23M68124-56#16733#16789
23M → 24M8940+49#16789#16740
24M → 40K12014+106#16740#16634
40K → 25.2M803+77#16634#16557
25.2M → Finish1687+161#16557#16396
TOTALS14653205-1740
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing