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BOSTON MARATHON 2023

Ana Sofia Palacios Chirinos

Bib: 16205•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F45-49)
#0 / 1817
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #10512
Start → 5K
23:36 | 7:36/mi
10K· 6.21 mi
46:53
Rank: #10433 (+79)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:10:23
Rank: #10512 (-79)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:34:24
Rank: #10679 (-167)
15K → 20K
24:01 | 7:44/mi
Half· 13.11 mi
1:39:36
Rank: #10710 (-31)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:21
Rank: #10645 (+65)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:22:48
Rank: #10437 (+208)
25K → 30K
24:27 | 7:52/mi
20M
2:33:43
Rank: #10446 (-9)
30K → 20M
10:55 | 8:02/mi
21M
2:41:59
Rank: #10336 (+110)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:47:27
Rank: #10194 (+142)
21M → 35K
5:28 | 7:18/mi
23M
2:57:05
Rank: #9995 (+199)
35K → 23M
9:38 | 7:42/mi
24M
3:04:33
Rank: #9850 (+145)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:11:05
Rank: #9744 (+106)
24M → 40K
6:32 | 7:38/mi
25.2M
3:13:57
Rank: #9697 (+47)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:21:26
Rank: #9569 (+128)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:36
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:41:50
Pace7:46 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5723:367:3623:36
7:36
-
10K
6.21 mi11:37:1446:537:3323:17
7:30
-0:06
15K
9.32 mi12:00:441:10:237:3323:30
7:34
+0:04
20K
12.43 mi12:24:451:34:247:3624:01
7:44
+0:10
Half
13.11 mi12:29:571:39:367:365:12
7:37
-0:07
25K
15.53 mi12:48:421:58:217:3718:45
7:44
+0:07
30K
18.64 mi13:13:092:22:487:4024:27
7:52
+0:08
20M
20.00 mi13:24:042:33:437:4110:55
8:02
+0:10
21M
21.00 mi13:32:202:41:597:438:16
8:16
+0:14
35K
21.75 mi13:37:482:47:277:425:28
7:18
-0:58
23M
23.00 mi13:47:262:57:057:429:38
7:42
+0:24
24M
24.00 mi13:54:543:04:337:417:28
7:28
-0:14
40K
24.85 mi14:01:263:11:057:416:32
7:38
+0:10
25.2M
25.20 mi14:04:183:13:577:422:52
8:19
+0:41
Finish
26.22 mi14:11:473:21:267:417:29
7:21
-0:58

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

7:18 /mi

Average Pace

7:41 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:23

89% of race

Time at Steady Pace

22:03

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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 mi11:13:5723:367:3623:36
7:36
#10512
10K
6.21 mi11:37:1446:537:3323:17
7:30
#10433
15K
9.32 mi12:00:441:10:237:3323:30
7:34
#10512
20K
12.43 mi12:24:451:34:247:3624:01
7:44
#10679
Half
13.11 mi12:29:571:39:367:365:12
7:37
#10710
25K
15.53 mi12:48:421:58:217:3718:45
7:44
#10645
30K
18.64 mi13:13:092:22:487:4024:27
7:52
#10437
20M
20.00 mi13:24:042:33:437:4110:55
8:02
#10446
21M
21.00 mi13:32:202:41:597:438:16
8:16
#10336
35K
21.75 mi13:37:482:47:277:425:28
7:18
#10194
23M
23.00 mi13:47:262:57:057:429:38
7:42
#9995
24M
24.00 mi13:54:543:04:337:417:28
7:28
#9850
40K
24.85 mi14:01:263:11:057:416:32
7:38
#9744
25.2M
25.20 mi14:04:183:13:577:422:52
8:19
#9697
Finish
26.22 mi14:11:473:21:267:417:29
7:21
#9569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi105122086208610721(Top 40%)2190(Top 19%)2190(Top 121%)
10K6.21 mi3.10 mi10433+792042+442042+4410401(Top 39%)2004(Top 18%)2004(Top 110%)
15K9.32 mi3.11 mi10512-792070-282070-2810721(Top 40%)2190(Top 19%)2190(Top 121%)
20K12.43 mi3.11 mi10679-1672174-1042174-10411147(Top 42%)2480(Top 22%)2480(Top 136%)
Half13.11 mi0.68 mi10710-312191-172191-1711235(Top 42%)2466(Top 22%)2466(Top 136%)
25K15.53 mi2.42 mi10645+652171+202171+2010565(Top 40%)2260(Top 20%)2260(Top 124%)
30K18.64 mi3.11 mi10437+2082118+532118+539909(Top 37%)2112(Top 18%)2112(Top 116%)
20M20.00 mi1.36 mi10446-92145-272145-2710521(Top 40%)2488(Top 22%)2488(Top 137%)
21M21.00 mi1.00 mi10336+1102115+302115+309052(Top 34%)1949(Top 17%)1949(Top 107%)
35K21.75 mi0.75 mi10194+1422055+602055+607247(Top 27%)1209(Top 11%)1209(Top 67%)
23M23.00 mi1.25 mi9995+1991985+701985+707713(Top 29%)1461(Top 13%)1461(Top 80%)
24M24.00 mi1.00 mi9850+1451960+251960+257518(Top 28%)1501(Top 13%)1501(Top 83%)
40K24.85 mi0.85 mi9744+1061938+221938+227602(Top 29%)1609(Top 14%)1609(Top 89%)
25.2M25.20 mi0.35 mi9697+471927+111927+118446(Top 32%)1997(Top 17%)1997(Top 110%)
Finish26.22 mi1.02 mi9569+1281898+291898+297430(Top 28%)1598(Top 14%)1598(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10721

Females

2190

F45-49

2190

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10401

Females

2004

F45-49

2004

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10721

Females

2190

F45-49

2190

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11147

Females

2480

F45-49

2480

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11235

Females

2466

F45-49

2466

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10565

Females

2260

F45-49

2260

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9909

Females

2112

F45-49

2112

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10521

Females

2488

F45-49

2488

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9052

Females

1949

F45-49

1949

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7247

Females

1209

F45-49

1209

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7713

Females

1461

F45-49

1461

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7518

Females

1501

F45-49

1501

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7602

Females

1609

F45-49

1609

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8446

Females

1997

F45-49

1997

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7430

Females

1598

F45-49

1598

Passing Analysis

Category:
Athletes Passed
2092*
Passed By
1149
Net Change
+943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10512
5K → 10K331*252+79#10512#10433
10K → 15K165244-79#10433#10512
15K → 20K91258-167#10512#10679
20K → Half1647-31#10679#10710
Half → 25K15590+65#10710#10645
25K → 30K28173+208#10645#10437
30K → 20M72*81-9#10437#10446
20M → 21M14636+110#10446#10336
21M → 35K1442+142#10336#10194
35K → 23M202*3+199#10194#9995
23M → 24M15914+145#9995#9850
24M → 40K127*21+106#9850#9744
40K → 25.2M5710+47#9744#9697
25.2M → Finish146*18+128#9697#9569
TOTALS2092*1149+943

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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