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BOSTON MARATHON 2023

Anna Guzman

Bib: 4023•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5344
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:14
Rank: #4944 (+400)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:03:18
Rank: #4927 (+17)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:35
Rank: #4910 (+17)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:11
Rank: #4896 (+14)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:40
Rank: #4728 (+168)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:15
Rank: #4539 (+189)
25K → 30K
21:35 | 6:57/mi
20M
2:16:45
Rank: #4492 (+47)
30K → 20M
9:30 | 6:59/mi
21M
2:24:05
Rank: #4422 (+70)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:29:09
Rank: #4388 (+34)
21M → 35K
5:04 | 6:46/mi
23M
2:37:52
Rank: #4304 (+84)
35K → 23M
8:43 | 6:58/mi
24M
2:44:34
Rank: #4252 (+52)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:50:25
Rank: #4169 (+83)
24M → 40K
5:51 | 6:51/mi
25.2M
2:52:56
Rank: #4148 (+21)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:30
Rank: #4034 (+114)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:11
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2021:216:5221:21
6:52
-
10K
6.21 mi10:44:1342:146:4820:53
6:43
-0:09
15K
9.32 mi11:05:171:03:186:4721:04
6:47
+0:04
20K
12.43 mi11:26:341:24:356:4821:17
6:51
+0:04
Half
13.11 mi11:31:101:29:116:484:36
6:45
-0:06
25K
15.53 mi11:47:391:45:406:4816:29
6:48
+0:03
30K
18.64 mi12:09:142:07:156:5021:35
6:57
+0:09
20M
20.00 mi12:18:442:16:456:509:30
6:59
+0:02
21M
21.00 mi12:26:042:24:056:527:20
7:20
+0:21
35K
21.75 mi12:31:082:29:096:515:04
6:46
-0:34
23M
23.00 mi12:39:512:37:526:528:43
6:58
+0:12
24M
24.00 mi12:46:332:44:346:516:42
6:42
-0:16
40K
24.85 mi12:52:242:50:256:515:51
6:51
+0:09
25.2M
25.20 mi12:54:552:52:566:522:31
7:18
+0:27
Finish
26.22 mi13:01:292:59:306:516:34
6:27
-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

6:27 /mi

Average Pace

6:51 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:39

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:23:2021:216:5221:21
6:52
#5344
10K
6.21 mi10:44:1342:146:4820:53
6:43
#4944
15K
9.32 mi11:05:171:03:186:4721:04
6:47
#4927
20K
12.43 mi11:26:341:24:356:4821:17
6:51
#4910
Half
13.11 mi11:31:101:29:116:484:36
6:45
#4896
25K
15.53 mi11:47:391:45:406:4816:29
6:48
#4728
30K
18.64 mi12:09:142:07:156:5021:35
6:57
#4539
20M
20.00 mi12:18:442:16:456:509:30
6:59
#4492
21M
21.00 mi12:26:042:24:056:527:20
7:20
#4422
35K
21.75 mi12:31:082:29:096:515:04
6:46
#4388
23M
23.00 mi12:39:512:37:526:528:43
6:58
#4304
24M
24.00 mi12:46:332:44:346:516:42
6:42
#4252
40K
24.85 mi12:52:242:50:256:515:51
6:51
#4169
25.2M
25.20 mi12:54:552:52:566:522:31
7:18
#4148
Finish
26.22 mi13:01:292:59:306:516:34
6:27
#4034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi53443983984952(Top 19%)346(Top 3%)346(Top 7%)
10K6.21 mi3.10 mi4944+400350+48350+484581(Top 17%)300(Top 3%)300(Top 6%)
15K9.32 mi3.11 mi4927+17340+10340+104952(Top 19%)346(Top 3%)346(Top 7%)
20K12.43 mi3.11 mi4910+17334+6334+64937(Top 19%)348(Top 3%)348(Top 7%)
Half13.11 mi0.68 mi4896+14337-3337-34848(Top 18%)342(Top 3%)342(Top 7%)
25K15.53 mi2.42 mi4728+168319+18319+184158(Top 16%)263(Top 2%)263(Top 5%)
30K18.64 mi3.11 mi4539+189297+22297+224006(Top 15%)260(Top 2%)260(Top 5%)
20M20.00 mi1.36 mi4492+47298-1298-14000(Top 15%)286(Top 3%)286(Top 6%)
21M21.00 mi1.00 mi4422+70289+9289+93817(Top 14%)277(Top 2%)277(Top 6%)
35K21.75 mi0.75 mi4388+34288+1288+14064(Top 15%)332(Top 3%)332(Top 7%)
23M23.00 mi1.25 mi4304+84275+13275+133610(Top 14%)266(Top 2%)266(Top 5%)
24M24.00 mi1.00 mi4252+52271+4271+43139(Top 12%)226(Top 2%)226(Top 5%)
40K24.85 mi0.85 mi4169+83266+5266+53057(Top 11%)244(Top 2%)244(Top 5%)
25.2M25.20 mi0.35 mi4148+21263+3263+33025(Top 11%)254(Top 2%)254(Top 5%)
Finish26.22 mi1.02 mi4034+114257+6257+62254(Top 8%)165(Top 1%)165(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4952

Females

346

F18-39

346

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4581

Females

300

F18-39

300

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4952

Females

346

F18-39

346

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4937

Females

348

F18-39

348

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4848

Females

342

F18-39

342

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4158

Females

263

F18-39

263

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4006

Females

260

F18-39

260

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4000

Females

286

F18-39

286

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3817

Females

277

F18-39

277

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4064

Females

332

F18-39

332

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3610

Females

266

F18-39

266

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3139

Females

226

F18-39

226

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3057

Females

244

F18-39

244

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3025

Females

254

F18-39

254

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2254

Females

165

F18-39

165

Passing Analysis

Category:
Athletes Passed
1821
Passed By
511
Net Change
+1310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5344
5K → 10K46161+400#5344#4944
10K → 15K121104+17#4944#4927
15K → 20K10992+17#4927#4910
20K → Half2713+14#4910#4896
Half → 25K19729+168#4896#4728
25K → 30K23647+189#4728#4539
30K → 20M8437+47#4539#4492
20M → 21M9626+70#4492#4422
21M → 35K5824+34#4422#4388
35K → 23M11430+84#4388#4304
23M → 24M7321+52#4304#4252
24M → 40K9512+83#4252#4169
40K → 25.2M3110+21#4169#4148
25.2M → Finish1195+114#4148#4034
TOTALS1821511+1310
📊

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