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BOSTON MARATHON 2023

Keila Guerrero

Bib: 14346•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9921
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:35
Rank: #10001 (-80)
5K → 10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:53
Rank: #10026 (-25)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:34
Rank: #10086 (-60)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:38:42
Rank: #10098 (-12)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:57:31
Rank: #10191 (-93)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:22:47
Rank: #10432 (-241)
25K → 30K
25:16 | 8:08/mi
20M
2:33:53
Rank: #10511 (-79)
30K → 20M
11:06 | 8:10/mi
21M
2:42:32
Rank: #10537 (-26)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:48:27
Rank: #10539 (-2)
21M → 35K
5:55 | 7:55/mi
23M
2:58:27
Rank: #10466 (+73)
35K → 23M
10:00 | 7:59/mi
24M
3:06:11
Rank: #10401 (+65)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:12:54
Rank: #10331 (+70)
24M → 40K
6:43 | 7:51/mi
25.2M
3:15:52
Rank: #10308 (+23)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:23:46
Rank: #10291 (+17)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:45:04
Pace8:01 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1423:247:3223:24
7:32
-
10K
6.21 mi11:14:2546:357:3023:11
7:28
-0:04
15K
9.32 mi11:37:431:09:537:3023:18
7:30
+0:02
20K
12.43 mi12:01:241:33:347:3223:41
7:37
+0:07
Half
13.11 mi12:06:321:38:427:325:08
7:31
-0:06
25K
15.53 mi12:25:211:57:317:3418:49
7:46
+0:15
30K
18.64 mi12:50:372:22:477:4025:16
8:08
+0:22
20M
20.00 mi13:01:432:33:537:4211:06
8:10
+0:02
21M
21.00 mi13:10:222:42:327:448:39
8:39
+0:29
35K
21.75 mi13:16:172:48:277:455:55
7:55
-0:44
23M
23.00 mi13:26:172:58:277:4610:00
7:59
+0:04
24M
24.00 mi13:34:013:06:117:457:44
7:44
-0:15
40K
24.85 mi13:40:443:12:547:466:43
7:51
+0:07
25.2M
25.20 mi13:43:423:15:527:462:58
8:36
+0:45
Finish
26.22 mi13:51:363:23:467:477:54
7:45
-0:51

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

7:28 /mi

Average Pace

7:47 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:09

94% of race

Time at Steady Pace

11:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi10:51:1423:247:3223:24
7:32
#9921
10K
6.21 mi11:14:2546:357:3023:11
7:28
#10001
15K
9.32 mi11:37:431:09:537:3023:18
7:30
#10026
20K
12.43 mi12:01:241:33:347:3223:41
7:37
#10086
Half
13.11 mi12:06:321:38:427:325:08
7:31
#10098
25K
15.53 mi12:25:211:57:317:3418:49
7:46
#10191
30K
18.64 mi12:50:372:22:477:4025:16
8:08
#10432
20M
20.00 mi13:01:432:33:537:4211:06
8:10
#10511
21M
21.00 mi13:10:222:42:327:448:39
8:39
#10537
35K
21.75 mi13:16:172:48:277:455:55
7:55
#10539
23M
23.00 mi13:26:172:58:277:4610:00
7:59
#10466
24M
24.00 mi13:34:013:06:117:457:44
7:44
#10401
40K
24.85 mi13:40:443:12:547:466:43
7:51
#10331
25.2M
25.20 mi13:43:423:15:527:462:58
8:36
#10308
Finish
26.22 mi13:51:363:23:467:477:54
7:45
#10291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi99211823182310189(Top 38%)1933(Top 17%)1933(Top 103%)
10K6.21 mi3.10 mi10001-801841-181841-1810176(Top 38%)1903(Top 17%)1903(Top 101%)
15K9.32 mi3.11 mi10026-251843-21843-210189(Top 38%)1933(Top 17%)1933(Top 103%)
20K12.43 mi3.11 mi10086-601875-321875-3210275(Top 39%)2036(Top 18%)2036(Top 108%)
Half13.11 mi0.68 mi10098-121881-61881-610471(Top 39%)2126(Top 19%)2126(Top 113%)
25K15.53 mi2.42 mi10191-931948-671948-6710806(Top 41%)2391(Top 21%)2391(Top 127%)
30K18.64 mi3.11 mi10432-2412115-1672115-16711880(Top 45%)3111(Top 27%)3111(Top 166%)
20M20.00 mi1.36 mi10511-792177-622177-6211469(Top 43%)2975(Top 26%)2975(Top 158%)
21M21.00 mi1.00 mi10537-262220-432220-4311359(Top 43%)3057(Top 27%)3057(Top 163%)
35K21.75 mi0.75 mi10539-22238-182238-1811466(Top 43%)3106(Top 27%)3106(Top 165%)
23M23.00 mi1.25 mi10466+732231+72231+79674(Top 36%)2338(Top 20%)2338(Top 124%)
24M24.00 mi1.00 mi10401+652226+52226+59328(Top 35%)2258(Top 20%)2258(Top 120%)
40K24.85 mi0.85 mi10331+702216+102216+109082(Top 34%)2214(Top 19%)2214(Top 118%)
25.2M25.20 mi0.35 mi10308+232218-22218-210200(Top 38%)2780(Top 24%)2780(Top 148%)
Finish26.22 mi1.02 mi10291+172240-222240-2210337(Top 39%)2854(Top 25%)2854(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10189

Females

1933

F40-44

1933

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10176

Females

1903

F40-44

1903

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10189

Females

1933

F40-44

1933

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10275

Females

2036

F40-44

2036

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10471

Females

2126

F40-44

2126

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10806

Females

2391

F40-44

2391

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11880

Females

3111

F40-44

3111

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11469

Females

2975

F40-44

2975

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11359

Females

3057

F40-44

3057

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11466

Females

3106

F40-44

3106

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9674

Females

2338

F40-44

2338

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9328

Females

2258

F40-44

2258

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9082

Females

2214

F40-44

2214

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10200

Females

2780

F40-44

2780

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10337

Females

2854

F40-44

2854

Passing Analysis

Category:
Athletes Passed
1438*
Passed By
1806
Net Change
-370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9921
5K → 10K280359-80#9921#10001
10K → 15K171195-25#10001#10026
15K → 20K148*208-60#10026#10086
20K → Half30*42-12#10086#10098
Half → 25K95188-93#10098#10191
25K → 30K99340-241#10191#10432
30K → 20M53*132-79#10432#10511
20M → 21M75101-26#10511#10537
21M → 35K4749-2#10537#10539
35K → 23M11643+73#10539#10466
23M → 24M9530+65#10466#10401
24M → 40K10434+70#10401#10331
40K → 25.2M4623+23#10331#10308
25.2M → Finish7962+17#10308#10291
TOTALS1438*1806-370

* 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