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BOSTON MARATHON 2023

Alicia Mizes

Bib: 18010•F

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
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
25:09
Rank: #14696
Start → 5K
25:09 | 8:06/mi
10K· 6.21 mi
50:40
Rank: #15495 (-799)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:16:34
Rank: #15944 (-449)
10K → 15K
25:54 | 8:20/mi
20K· 12.43 mi
1:43:17
Rank: #16367 (-423)
15K → 20K
26:43 | 8:36/mi
Half· 13.11 mi
1:48:53
Rank: #16334 (+33)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:09:48
Rank: #16444 (-110)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:37:43
Rank: #16531 (-87)
25K → 30K
27:55 | 8:59/mi
20M
2:49:33
Rank: #16391 (+140)
30K → 20M
11:50 | 8:42/mi
21M
2:59:23
Rank: #16438 (-47)
20M → 21M
9:50 | 9:50/mi
35K· 21.75 mi
3:05:33
Rank: #16340 (+98)
21M → 35K
6:10 | 8:15/mi
23M
3:16:40
Rank: #16278 (+62)
35K → 23M
11:07 | 8:53/mi
24M
3:25:11
Rank: #16176 (+102)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:32:36
Rank: #16102 (+74)
24M → 40K
7:25 | 8:40/mi
25.2M
3:35:56
Rank: #16095 (+7)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:44:52
Rank: #16144 (-49)
25.2M → Finish
8:56 | 8:46/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
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:55:59
Pace8:51 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1825:098:0625:09
8:06
-
10K
6.21 mi11:41:4950:408:0925:31
8:13
+0:07
15K
9.32 mi12:07:431:16:348:1325:54
8:20
+0:07
20K
12.43 mi12:34:261:43:178:1926:43
8:36
+0:16
Half
13.11 mi12:40:021:48:538:185:36
8:12
-0:24
25K
15.53 mi13:00:572:09:488:2120:55
8:38
+0:26
30K
18.64 mi13:28:522:37:438:2827:55
8:59
+0:21
20M
20.00 mi13:40:422:49:338:2911:50
8:42
-0:17
21M
21.00 mi13:50:322:59:238:339:50
9:50
+1:08
35K
21.75 mi13:56:423:05:338:326:10
8:15
-1:35
23M
23.00 mi14:07:493:16:408:3311:07
8:53
+0:38
24M
24.00 mi14:16:203:25:118:338:31
8:31
-0:22
40K
24.85 mi14:23:453:32:368:337:25
8:40
+0:09
25.2M
25.20 mi14:27:053:35:568:343:20
9:40
+1:00
Finish
26.22 mi14:36:013:44:528:358:56
8:46
-0:54

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

8:06 /mi

Average Pace

8:35 /mi

Slowest Pace

9:50 /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

1:28:20

39% of race

Time at Steady Pace

1:24:20

38% of race

Time at Slower Pace

52:12

23% of race

Average Pace: 8:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:1825:098:0625:09
8:06
#14696
10K
6.21 mi11:41:4950:408:0925:31
8:13
#15495
15K
9.32 mi12:07:431:16:348:1325:54
8:20
#15944
20K
12.43 mi12:34:261:43:178:1926:43
8:36
#16367
Half
13.11 mi12:40:021:48:538:185:36
8:12
#16334
25K
15.53 mi13:00:572:09:488:2120:55
8:38
#16444
30K
18.64 mi13:28:522:37:438:2827:55
8:59
#16531
20M
20.00 mi13:40:422:49:338:2911:50
8:42
#16391
21M
21.00 mi13:50:322:59:238:339:50
9:50
#16438
35K
21.75 mi13:56:423:05:338:326:10
8:15
#16340
23M
23.00 mi14:07:493:16:408:3311:07
8:53
#16278
24M
24.00 mi14:16:203:25:118:338:31
8:31
#16176
40K
24.85 mi14:23:453:32:368:337:25
8:40
#16102
25.2M
25.20 mi14:27:053:35:568:343:20
9:40
#16095
Finish
26.22 mi14:36:013:44:528:358:56
8:46
#16144
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 mi146964452445216774(Top 63%)5775(Top 51%)5775(Top 118%)
10K6.21 mi3.10 mi15495-7994968-5164968-51616364(Top 61%)5492(Top 48%)5492(Top 112%)
15K9.32 mi3.11 mi15944-4495246-2785246-27816774(Top 63%)5775(Top 51%)5775(Top 118%)
20K12.43 mi3.11 mi16367-4235533-2875533-28717485(Top 66%)6211(Top 54%)6211(Top 127%)
Half13.11 mi0.68 mi16334+335514+195514+1915923(Top 60%)5255(Top 46%)5255(Top 108%)
25K15.53 mi2.42 mi16444-1105605-915605-9116965(Top 64%)5983(Top 52%)5983(Top 123%)
30K18.64 mi3.11 mi16531-875701-965701-9617092(Top 64%)6120(Top 54%)6120(Top 125%)
20M20.00 mi1.36 mi16391+1405641+605641+6014933(Top 56%)4960(Top 43%)4960(Top 102%)
21M21.00 mi1.00 mi16438-475671-305671-3017385(Top 65%)6418(Top 56%)6418(Top 131%)
35K21.75 mi0.75 mi16340+985624+475624+4713816(Top 52%)4479(Top 39%)4479(Top 92%)
23M23.00 mi1.25 mi16278+625599+255599+2515447(Top 58%)5423(Top 47%)5423(Top 111%)
24M24.00 mi1.00 mi16176+1025561+385561+3814599(Top 55%)5021(Top 44%)5021(Top 103%)
40K24.85 mi0.85 mi16102+745530+315530+3114399(Top 54%)4971(Top 44%)4971(Top 102%)
25.2M25.20 mi0.35 mi16095+75527+35527+315996(Top 60%)5860(Top 51%)5860(Top 120%)
Finish26.22 mi1.02 mi16144-495578-515578-5116863(Top 63%)6295(Top 55%)6295(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16774

Females

5775

F18-39

5775

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16364

Females

5492

F18-39

5492

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16774

Females

5775

F18-39

5775

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17485

Females

6211

F18-39

6211

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15923

Females

5255

F18-39

5255

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16965

Females

5983

F18-39

5983

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17092

Females

6120

F18-39

6120

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14933

Females

4960

F18-39

4960

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17385

Females

6418

F18-39

6418

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13816

Females

4479

F18-39

4479

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15447

Females

5423

F18-39

5423

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14599

Females

5021

F18-39

5021

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14399

Females

4971

F18-39

4971

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15996

Females

5860

F18-39

5860

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16863

Females

6295

F18-39

6295

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1263
Passed By
2711
Net Change
-1448
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14696
5K → 10K69868-799#14696#15495
10K → 15K70519-449#15495#15944
15K → 20K65488-423#15944#16367
20K → Half5522+33#16367#16334
Half → 25K97207-110#16334#16444
25K → 30K161248-87#16444#16531
30K → 20M16222+140#16531#16391
20M → 21M65112-47#16391#16438
21M → 35K1057+98#16438#16340
35K → 23M10846+62#16340#16278
23M → 24M13028+102#16278#16176
24M → 40K9622+74#16176#16102
40K → 25.2M3023+7#16102#16095
25.2M → Finish5099-49#16095#16144
TOTALS12632711-1448
📊

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