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BOSTON MARATHON 2023

Guillermina Sanabria

Bib: 17871•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Masters (Masters Women)
#0 / 6539
Top 25%
Division (F50-54)
#0 / 1207
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13373
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
49:02
Rank: #13522 (-149)
5K → 10K
24:27 | 7:52/mi
15K· 9.32 mi
1:13:28
Rank: #13436 (+86)
10K → 15K
24:26 | 7:52/mi
20K· 12.43 mi
1:38:45
Rank: #13672 (-236)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:44:09
Rank: #13668 (+4)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:04:19
Rank: #13898 (-230)
Half → 25K
20:10 | 8:19/mi
30K· 18.64 mi
2:31:11
Rank: #14183 (-285)
25K → 30K
26:52 | 8:39/mi
20M
2:43:03
Rank: #14232 (-49)
30K → 20M
11:52 | 8:44/mi
21M
2:52:13
Rank: #14222 (+10)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:58:15
Rank: #14137 (+85)
21M → 35K
6:02 | 8:04/mi
23M
3:09:00
Rank: #14076 (+61)
35K → 23M
10:45 | 8:35/mi
24M
3:17:19
Rank: #14031 (+45)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:24:42
Rank: #14024 (+7)
24M → 40K
7:23 | 8:38/mi
25.2M
3:28:01
Rank: #14054 (-30)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:36:38
Rank: #14091 (-37)
25.2M → Finish
8:37 | 8:27/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2524:357:5524:35
7:55
-
10K
6.21 mi11:39:5249:027:5324:27
7:52
-0:03
15K
9.32 mi12:04:181:13:287:5324:26
7:52
0:00
20K
12.43 mi12:29:351:38:457:5725:17
8:08
+0:16
Half
13.11 mi12:34:591:44:097:575:24
7:55
-0:13
25K
15.53 mi12:55:092:04:198:0020:10
8:19
+0:24
30K
18.64 mi13:22:012:31:118:0726:52
8:39
+0:20
20M
20.00 mi13:33:532:43:038:0911:52
8:44
+0:05
21M
21.00 mi13:43:032:52:138:129:10
9:10
+0:26
35K
21.75 mi13:49:052:58:158:126:02
8:04
-1:06
23M
23.00 mi13:59:503:09:008:1310:45
8:35
+0:31
24M
24.00 mi14:08:093:17:198:138:19
8:19
-0:16
40K
24.85 mi14:15:323:24:428:147:23
8:38
+0:19
25.2M
25.20 mi14:18:513:28:018:153:19
9:37
+0:59
Finish
26.22 mi14:27:283:36:388:168:37
8:27
-1:10

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

7:52 /mi

Average Pace

8:16 /mi

Slowest Pace

9:37 /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

1:24:54

39% of race

Time at Steady Pace

1:02:23

29% of race

Time at Slower Pace

1:09:21

32% of race

Average Pace: 8:16 /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 mi11:15:2524:357:5524:35
7:55
#13373
10K
6.21 mi11:39:5249:027:5324:27
7:52
#13522
15K
9.32 mi12:04:181:13:287:5324:26
7:52
#13436
20K
12.43 mi12:29:351:38:457:5725:17
8:08
#13672
Half
13.11 mi12:34:591:44:097:575:24
7:55
#13668
25K
15.53 mi12:55:092:04:198:0020:10
8:19
#13898
30K
18.64 mi13:22:012:31:118:0726:52
8:39
#14183
20M
20.00 mi13:33:532:43:038:0911:52
8:44
#14232
21M
21.00 mi13:43:032:52:138:129:10
9:10
#14222
35K
21.75 mi13:49:052:58:158:126:02
8:04
#14137
23M
23.00 mi13:59:503:09:008:1310:45
8:35
#14076
24M
24.00 mi14:08:093:17:198:138:19
8:19
#14031
40K
24.85 mi14:15:323:24:428:147:23
8:38
#14024
25.2M
25.20 mi14:18:513:28:018:153:19
9:37
#14054
Finish
26.22 mi14:27:283:36:388:168:37
8:27
#14091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi133733658365813244(Top 50%)3633(Top 32%)3633(Top 301%)
10K6.21 mi3.10 mi13522-1493751-933751-9313735(Top 52%)3882(Top 34%)3882(Top 322%)
15K9.32 mi3.11 mi13436+863716+353716+3513244(Top 50%)3633(Top 32%)3633(Top 301%)
20K12.43 mi3.11 mi13672-2363894-1783894-17814513(Top 55%)4412(Top 39%)4412(Top 366%)
Half13.11 mi0.68 mi13668+43890+43890+413772(Top 52%)3959(Top 35%)3959(Top 328%)
25K15.53 mi2.42 mi13898-2304055-1654055-16515067(Top 57%)4883(Top 43%)4883(Top 405%)
30K18.64 mi3.11 mi14183-2854251-1964251-19615208(Top 57%)5062(Top 44%)5062(Top 419%)
20M20.00 mi1.36 mi14232-494312-614312-6115059(Top 57%)5026(Top 44%)5026(Top 416%)
21M21.00 mi1.00 mi14222+104325-134325-1314318(Top 54%)4666(Top 41%)4666(Top 387%)
35K21.75 mi0.75 mi14137+854289+364289+3612632(Top 47%)3793(Top 33%)3793(Top 314%)
23M23.00 mi1.25 mi14076+614274+154274+1513737(Top 52%)4465(Top 39%)4465(Top 370%)
24M24.00 mi1.00 mi14031+454270+44270+413350(Top 50%)4308(Top 38%)4308(Top 357%)
40K24.85 mi0.85 mi14024+74289-194289-1914179(Top 53%)4841(Top 42%)4841(Top 401%)
25.2M25.20 mi0.35 mi14054-304311-224311-2215764(Top 59%)5720(Top 50%)5720(Top 474%)
Finish26.22 mi1.02 mi14091-374355-444355-4415141(Top 57%)5330(Top 47%)5330(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13244

Females

3633

F50-54

3633

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13735

Females

3882

F50-54

3882

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13244

Females

3633

F50-54

3633

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14513

Females

4412

F50-54

4412

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13772

Females

3959

F50-54

3959

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15067

Females

4883

F50-54

4883

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15208

Females

5062

F50-54

5062

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15059

Females

5026

F50-54

5026

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14318

Females

4666

F50-54

4666

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12632

Females

3793

F50-54

3793

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13737

Females

4465

F50-54

4465

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13350

Females

4308

F50-54

4308

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14179

Females

4841

F50-54

4841

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15764

Females

5720

F50-54

5720

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15141

Females

5330

F50-54

5330

Passing Analysis

Category:
Athletes Passed
1398
Passed By
2116
Net Change
-718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13373
5K → 10K231380-149#13373#13522
10K → 15K249163+86#13522#13436
15K → 20K111347-236#13436#13672
20K → Half2420+4#13672#13668
Half → 25K76306-230#13668#13898
25K → 30K105390-285#13898#14183
30K → 20M70119-49#14183#14232
20M → 21M8272+10#14232#14222
21M → 35K9611+85#14222#14137
35K → 23M12160+61#14137#14076
23M → 24M8944+45#14076#14031
24M → 40K7265+7#14031#14024
40K → 25.2M2151-30#14024#14054
25.2M → Finish5188-37#14054#14091
TOTALS13982116-718
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing