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BOSTON MARATHON 2023

Andrea Guzman

Bib: 22116•F

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:33
Rank: #19838
Start → 5K
27:33 | 8:52/mi
10K· 6.21 mi
54:06
Rank: #19137 (+701)
5K → 10K
26:33 | 8:33/mi
15K· 9.32 mi
1:20:51
Rank: #18903 (+234)
10K → 15K
26:45 | 8:37/mi
20K· 12.43 mi
1:48:01
Rank: #18746 (+157)
15K → 20K
27:10 | 8:45/mi
Half· 13.11 mi
1:54:04
Rank: #18792 (-46)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:15:55
Rank: #18845 (-53)
Half → 25K
21:51 | 9:01/mi
30K· 18.64 mi
2:44:05
Rank: #18599 (+246)
25K → 30K
28:10 | 9:04/mi
20M
2:56:45
Rank: #18538 (+61)
30K → 20M
12:40 | 9:19/mi
21M
3:06:43
Rank: #18498 (+40)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:13:02
Rank: #18360 (+138)
21M → 35K
6:19 | 8:27/mi
23M
3:24:35
Rank: #18288 (+72)
35K → 23M
11:33 | 9:13/mi
24M
3:33:49
Rank: #18287 (+1)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:41:45
Rank: #18271 (+16)
24M → 40K
7:56 | 9:17/mi
25.2M
3:45:11
Rank: #18253 (+18)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:54:10
Rank: #18203 (+50)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:04
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2127:338:5227:33
8:52
-
10K
6.21 mi12:09:5454:068:4226:33
8:33
-0:19
15K
9.32 mi12:36:391:20:518:4026:45
8:37
+0:04
20K
12.43 mi13:03:491:48:018:4227:10
8:45
+0:08
Half
13.11 mi13:09:521:54:048:426:03
8:52
+0:07
25K
15.53 mi13:31:432:15:558:4521:51
9:01
+0:09
30K
18.64 mi13:59:532:44:058:4828:10
9:04
+0:03
20M
20.00 mi14:12:332:56:458:5012:40
9:19
+0:15
21M
21.00 mi14:22:313:06:438:539:58
9:58
+0:39
35K
21.75 mi14:28:503:13:028:536:19
8:27
-1:31
23M
23.00 mi14:40:233:24:358:5411:33
9:13
+0:46
24M
24.00 mi14:49:373:33:498:559:14
9:14
+0:01
40K
24.85 mi14:57:333:41:458:557:56
9:17
+0:03
25.2M
25.20 mi15:00:593:45:118:563:26
9:57
+0:40
Finish
26.22 mi15:09:583:54:108:568:59
8:49
-1:08

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

8:27 /mi

Average Pace

8:56 /mi

Slowest Pace

9:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:06

89% of race

Time at Steady Pace

26:04

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi11:43:2127:338:5227:33
8:52
#19838
10K
6.21 mi12:09:5454:068:4226:33
8:33
#19137
15K
9.32 mi12:36:391:20:518:4026:45
8:37
#18903
20K
12.43 mi13:03:491:48:018:4227:10
8:45
#18746
Half
13.11 mi13:09:521:54:048:426:03
8:52
#18792
25K
15.53 mi13:31:432:15:558:4521:51
9:01
#18845
30K
18.64 mi13:59:532:44:058:4828:10
9:04
#18599
20M
20.00 mi14:12:332:56:458:5012:40
9:19
#18538
21M
21.00 mi14:22:313:06:438:539:58
9:58
#18498
35K
21.75 mi14:28:503:13:028:536:19
8:27
#18360
23M
23.00 mi14:40:233:24:358:5411:33
9:13
#18288
24M
24.00 mi14:49:373:33:498:559:14
9:14
#18287
40K
24.85 mi14:57:333:41:458:557:56
9:17
#18271
25.2M
25.20 mi15:00:593:45:118:563:26
9:57
#18253
Finish
26.22 mi15:09:583:54:108:568:59
8:49
#18203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi198387711771118528(Top 70%)6821(Top 60%)6821(Top 565%)
10K6.21 mi3.10 mi19137+7017238+4737238+47318541(Top 70%)6794(Top 59%)6794(Top 563%)
15K9.32 mi3.11 mi18903+2347071+1677071+16718528(Top 70%)6821(Top 60%)6821(Top 565%)
20K12.43 mi3.11 mi18746+1576963+1086963+10818386(Top 69%)6726(Top 59%)6726(Top 557%)
Half13.11 mi0.68 mi18792-466998-356998-3519845(Top 75%)7570(Top 66%)7570(Top 627%)
25K15.53 mi2.42 mi18845-537031-337031-3319017(Top 71%)7137(Top 62%)7137(Top 591%)
30K18.64 mi3.11 mi18599+2466922+1096922+10917524(Top 66%)6373(Top 56%)6373(Top 528%)
20M20.00 mi1.36 mi18538+616891+316891+3118117(Top 68%)6803(Top 60%)6803(Top 564%)
21M21.00 mi1.00 mi18498+406876+156876+1517925(Top 67%)6714(Top 59%)6714(Top 556%)
35K21.75 mi0.75 mi18360+1386812+646812+6415047(Top 57%)5152(Top 45%)5152(Top 427%)
23M23.00 mi1.25 mi18288+726781+316781+3117194(Top 65%)6396(Top 56%)6396(Top 530%)
24M24.00 mi1.00 mi18287+16792-116792-1118199(Top 68%)7006(Top 61%)7006(Top 580%)
40K24.85 mi0.85 mi18271+166801-96801-917448(Top 66%)6657(Top 58%)6657(Top 552%)
25.2M25.20 mi0.35 mi18253+186791+106791+1017246(Top 65%)6572(Top 58%)6572(Top 544%)
Finish26.22 mi1.02 mi18203+506768+236768+2317147(Top 64%)6462(Top 57%)6462(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18528

Females

6821

F50-54

6821

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18541

Females

6794

F50-54

6794

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18528

Females

6821

F50-54

6821

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18386

Females

6726

F50-54

6726

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19845

Females

7570

F50-54

7570

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

19017

Females

7137

F50-54

7137

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17524

Females

6373

F50-54

6373

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18117

Females

6803

F50-54

6803

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17925

Females

6714

F50-54

6714

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15047

Females

5152

F50-54

5152

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17194

Females

6396

F50-54

6396

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18199

Females

7006

F50-54

7006

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17448

Females

6657

F50-54

6657

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17246

Females

6572

F50-54

6572

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17147

Females

6462

F50-54

6462

Passing Analysis

Category:
Athletes Passed
2505
Passed By
870
Net Change
+1635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19838
5K → 10K816115+701#19838#19137
10K → 15K31884+234#19137#18903
15K → 20K24588+157#18903#18746
20K → Half1561-46#18746#18792
Half → 25K104157-53#18792#18845
25K → 30K30357+246#18845#18599
30K → 20M12059+61#18599#18538
20M → 21M10666+40#18538#18498
21M → 35K1413+138#18498#18360
35K → 23M11846+72#18360#18288
23M → 24M5453+1#18288#18287
24M → 40K6246+16#18287#18271
40K → 25.2M3416+18#18271#18253
25.2M → Finish6919+50#18253#18203
TOTALS2505870+1635
📊

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