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BOSTON MARATHON 2023

Alicia Sanchez Alcorlo

Bib: 20153•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F40-44)
#0 / 1878
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12526
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
48:52
Rank: #13307 (-781)
5K → 10K
24:35 | 7:55/mi
15K· 9.32 mi
1:13:38
Rank: #13574 (-267)
10K → 15K
24:46 | 7:58/mi
20K· 12.43 mi
1:38:36
Rank: #13581 (-7)
15K → 20K
24:58 | 8:02/mi
Half· 13.11 mi
1:43:58
Rank: #13566 (+15)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:03:41
Rank: #13574 (-8)
Half → 25K
19:43 | 8:08/mi
30K· 18.64 mi
2:29:43
Rank: #13529 (+45)
25K → 30K
26:02 | 8:23/mi
20M
2:41:52
Rank: #13783 (-254)
30K → 20M
12:09 | 8:57/mi
21M
2:50:49
Rank: #13728 (+55)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:57:04
Rank: #13737 (-9)
21M → 35K
6:15 | 8:21/mi
23M
3:07:56
Rank: #13751 (-14)
35K → 23M
10:52 | 8:41/mi
24M
3:16:33
Rank: #13802 (-51)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:23:53
Rank: #13791 (+11)
24M → 40K
7:20 | 8:35/mi
25.2M
3:27:06
Rank: #13803 (-12)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:35:50
Rank: #13862 (-59)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:58
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4724:177:4924:17
7:49
-
10K
6.21 mi11:41:2248:527:5224:35
7:55
+0:06
15K
9.32 mi12:06:081:13:387:5424:46
7:58
+0:03
20K
12.43 mi12:31:061:38:367:5624:58
8:02
+0:04
Half
13.11 mi12:36:281:43:587:565:22
7:52
-0:10
25K
15.53 mi12:56:112:03:417:5819:43
8:08
+0:16
30K
18.64 mi13:22:132:29:438:0226:02
8:23
+0:15
20M
20.00 mi13:34:222:41:528:0612:09
8:57
+0:34
21M
21.00 mi13:43:192:50:498:088:57
8:57
0:00
35K
21.75 mi13:49:342:57:048:096:15
8:21
-0:36
23M
23.00 mi14:00:263:07:568:1010:52
8:41
+0:20
24M
24.00 mi14:09:033:16:338:118:37
8:37
-0:04
40K
24.85 mi14:16:233:23:538:127:20
8:35
-0:02
25.2M
25.20 mi14:19:363:27:068:133:13
9:20
+0:45
Finish
26.22 mi14:28:203:35:508:148:44
8:34
-0:46

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

7:49 /mi

Average Pace

8:14 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:02

80% of race

Time at Steady Pace

40:35

19% of race

Time at Slower Pace

3:13

1% of race

Average Pace: 8:14 /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 mi11:16:4724:177:4924:17
7:49
#12526
10K
6.21 mi11:41:2248:527:5224:35
7:55
#13307
15K
9.32 mi12:06:081:13:387:5424:46
7:58
#13574
20K
12.43 mi12:31:061:38:367:5624:58
8:02
#13581
Half
13.11 mi12:36:281:43:587:565:22
7:52
#13566
25K
15.53 mi12:56:112:03:417:5819:43
8:08
#13574
30K
18.64 mi13:22:132:29:438:0226:02
8:23
#13529
20M
20.00 mi13:34:222:41:528:0612:09
8:57
#13783
21M
21.00 mi13:43:192:50:498:088:57
8:57
#13728
35K
21.75 mi13:49:342:57:048:096:15
8:21
#13737
23M
23.00 mi14:00:263:07:568:1010:52
8:41
#13751
24M
24.00 mi14:09:033:16:338:118:37
8:37
#13802
40K
24.85 mi14:16:233:23:538:127:20
8:35
#13791
25.2M
25.20 mi14:19:363:27:068:133:13
9:20
#13803
Finish
26.22 mi14:28:203:35:508:148:44
8:34
#13862
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi125263179317914165(Top 53%)4182(Top 37%)4182(Top 223%)
10K6.21 mi3.10 mi13307-7813633-4543633-45414094(Top 53%)4108(Top 36%)4108(Top 219%)
15K9.32 mi3.11 mi13574-2673803-1703803-17014165(Top 53%)4182(Top 37%)4182(Top 223%)
20K12.43 mi3.11 mi13581-73832-293832-2913737(Top 52%)3957(Top 35%)3957(Top 211%)
Half13.11 mi0.68 mi13566+153820+123820+1213398(Top 50%)3747(Top 33%)3747(Top 200%)
25K15.53 mi2.42 mi13574-83847-273847-2713754(Top 52%)4070(Top 36%)4070(Top 217%)
30K18.64 mi3.11 mi13529+453855-83855-813566(Top 51%)4069(Top 36%)4069(Top 217%)
20M20.00 mi1.36 mi13783-2544030-1754030-17516263(Top 61%)5734(Top 50%)5734(Top 305%)
21M21.00 mi1.00 mi13728+554008+224008+2213079(Top 49%)4000(Top 35%)4000(Top 213%)
35K21.75 mi0.75 mi13737-94030-224030-2214454(Top 54%)4806(Top 42%)4806(Top 256%)
23M23.00 mi1.25 mi13751-144075-454075-4514260(Top 54%)4760(Top 42%)4760(Top 253%)
24M24.00 mi1.00 mi13802-514137-624137-6215166(Top 57%)5317(Top 47%)5317(Top 283%)
40K24.85 mi0.85 mi13791+114139-24139-213837(Top 52%)4650(Top 41%)4650(Top 248%)
25.2M25.20 mi0.35 mi13803-124156-174156-1714363(Top 54%)4933(Top 43%)4933(Top 263%)
Finish26.22 mi1.02 mi13862-594208-524208-5215830(Top 59%)5709(Top 50%)5709(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14165

Females

4182

F40-44

4182

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14094

Females

4108

F40-44

4108

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14165

Females

4182

F40-44

4182

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13737

Females

3957

F40-44

3957

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13398

Females

3747

F40-44

3747

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13754

Females

4070

F40-44

4070

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13566

Females

4069

F40-44

4069

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16263

Females

5734

F40-44

5734

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13079

Females

4000

F40-44

4000

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14454

Females

4806

F40-44

4806

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14260

Females

4760

F40-44

4760

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15166

Females

5317

F40-44

5317

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13837

Females

4650

F40-44

4650

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14363

Females

4933

F40-44

4933

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15830

Females

5709

F40-44

5709

Passing Analysis

Category:
Athletes Passed
1239
Passed By
2575
Net Change
-1336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12526
5K → 10K81862-781#12526#13307
10K → 15K105372-267#13307#13574
15K → 20K182189-7#13574#13581
20K → Half4227+15#13581#13566
Half → 25K122130-8#13566#13574
25K → 30K221176+45#13574#13529
30K → 20M34288-254#13529#13783
20M → 21M12570+55#13783#13728
21M → 35K5261-9#13728#13737
35K → 23M8599-14#13737#13751
23M → 24M51102-51#13751#13802
24M → 40K7059+11#13802#13791
40K → 25.2M2234-12#13791#13803
25.2M → Finish47106-59#13803#13862
TOTALS12392575-1336
📊

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