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BOSTON MARATHON 2023

Claudia Guzman

Bib: 30004•F

IL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:10
Rank: #25675
Start → 5K
34:10 | 11:00/mi
10K· 6.21 mi
1:08:24
Rank: #25617 (+58)
5K → 10K
34:14 | 11:01/mi
15K· 9.32 mi
1:43:23
Rank: #25562 (+55)
10K → 15K
34:59 | 11:16/mi
20K· 12.43 mi
2:17:02
Rank: #25270 (+292)
15K → 20K
33:39 | 10:50/mi
Half· 13.11 mi
2:24:13
Rank: #25207 (+63)
20K → Half
7:11 | 10:32/mi
25K· 15.53 mi
2:54:19
Rank: #25300 (-93)
Half → 25K
30:06 | 12:25/mi
30K· 18.64 mi
3:35:29
Rank: #25392 (-92)
25K → 30K
41:10 | 13:15/mi
20M
3:51:28
Rank: #25304 (+88)
30K → 20M
15:59 | 11:46/mi
21M
4:04:44
Rank: #25264 (+40)
20M → 21M
13:16 | 13:16/mi
35K· 21.75 mi
4:13:18
Rank: #25233 (+31)
21M → 35K
8:34 | 11:27/mi
23M
4:35:44
Rank: #25492 (-259)
35K → 23M
22:26 | 17:55/mi
24M
4:46:18
Rank: #25419 (+73)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
4:56:46
Rank: #25386 (+33)
24M → 40K
10:28 | 12:14/mi
25.2M
5:01:35
Rank: #25377 (+9)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
5:11:57
Rank: #25318 (+59)
25.2M → Finish
10:22 | 10:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:13
Pace11:00 /mi
2nd Half
Distance13.11 mi
Time2:47:44
Pace12:48 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1934:1011:0034:10
11:00
-
10K
6.21 mi12:28:331:08:2411:0034:14
11:01
+0:01
15K
9.32 mi13:03:321:43:2311:0634:59
11:16
+0:15
20K
12.43 mi13:37:112:17:0211:0233:39
10:50
-0:26
Half
13.11 mi13:44:222:24:1311:007:11
10:32
-0:18
25K
15.53 mi14:14:282:54:1911:1330:06
12:25
+1:53
30K
18.64 mi14:55:383:35:2911:3441:10
13:15
+0:50
20M
20.00 mi15:11:373:51:2811:3415:59
11:46
-1:29
21M
21.00 mi15:24:534:04:4411:3913:16
13:16
+1:30
35K
21.75 mi15:33:274:13:1811:398:34
11:27
-1:49
23M
23.00 mi15:55:534:35:4411:5922:26
17:55
+6:28
24M
24.00 mi16:06:274:46:1811:5610:34
10:34
-7:21
40K
24.85 mi16:16:554:56:4611:5610:28
12:14
+1:40
25.2M
25.20 mi16:21:445:01:3511:584:49
13:58
+1:44
Finish
26.22 mi16:32:065:11:5711:5410:22
10:10
-3:48

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

10:10 /mi

Average Pace

11:54 /mi

Slowest Pace

17:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:22

3% of race

Time at Steady Pace

3:09:48

61% of race

Time at Slower Pace

1:51:47

36% of race

Average Pace: 11:54 /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 mi11:54:1934:1011:0034:10
11:00
#25675
10K
6.21 mi12:28:331:08:2411:0034:14
11:01
#25617
15K
9.32 mi13:03:321:43:2311:0634:59
11:16
#25562
20K
12.43 mi13:37:112:17:0211:0233:39
10:50
#25270
Half
13.11 mi13:44:222:24:1311:007:11
10:32
#25207
25K
15.53 mi14:14:282:54:1911:1330:06
12:25
#25300
30K
18.64 mi14:55:383:35:2911:3441:10
13:15
#25392
20M
20.00 mi15:11:373:51:2811:3415:59
11:46
#25304
21M
21.00 mi15:24:534:04:4411:3913:16
13:16
#25264
35K
21.75 mi15:33:274:13:1811:398:34
11:27
#25233
23M
23.00 mi15:55:534:35:4411:5922:26
17:55
#25492
24M
24.00 mi16:06:274:46:1811:5610:34
10:34
#25419
40K
24.85 mi16:16:554:56:4611:5610:28
12:14
#25386
25.2M
25.20 mi16:21:445:01:3511:584:49
13:58
#25377
Finish
26.22 mi16:32:065:11:5711:5410:22
10:10
#25318
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25675108381083825483(Top 96%)10737(Top 94%)10737(Top 220%)
10K6.21 mi3.10 mi25617+5810805+3310805+3325494(Top 96%)10729(Top 94%)10729(Top 220%)
15K9.32 mi3.11 mi25562+5510774+3110774+3125483(Top 96%)10737(Top 94%)10737(Top 220%)
20K12.43 mi3.11 mi25270+29210609+16510609+16524373(Top 92%)10135(Top 89%)10135(Top 208%)
Half13.11 mi0.68 mi25207+6310574+3510574+3524287(Top 91%)10091(Top 88%)10091(Top 207%)
25K15.53 mi2.42 mi25300-9310642-6810642-6825473(Top 96%)10772(Top 94%)10772(Top 221%)
30K18.64 mi3.11 mi25392-9210712-7010712-7025600(Top 96%)10890(Top 95%)10890(Top 223%)
20M20.00 mi1.36 mi25304+8810666+4610666+4623907(Top 90%)10029(Top 88%)10029(Top 205%)
21M21.00 mi1.00 mi25264+4010650+1610650+1624365(Top 92%)10280(Top 90%)10280(Top 210%)
35K21.75 mi0.75 mi25233+3110638+1210638+1224039(Top 90%)10154(Top 89%)10154(Top 208%)
23M23.00 mi1.25 mi25492-25910792-15410792-15426583(Top 100%)11409(Top 100%)11409(Top 234%)
24M24.00 mi1.00 mi25419+7310751+4110751+4122186(Top 83%)9207(Top 81%)9207(Top 189%)
40K24.85 mi0.85 mi25386+3310735+1610735+1624176(Top 91%)10272(Top 90%)10272(Top 210%)
25.2M25.20 mi0.35 mi25377+910734+110734+125000(Top 94%)10698(Top 94%)10698(Top 219%)
Finish26.22 mi1.02 mi25318+5910700+3410700+3422241(Top 84%)9258(Top 81%)9258(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

25483

Females

10737

F18-39

10737

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25494

Females

10729

F18-39

10729

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

25483

Females

10737

F18-39

10737

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24373

Females

10135

F18-39

10135

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24287

Females

10091

F18-39

10091

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25473

Females

10772

F18-39

10772

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25600

Females

10890

F18-39

10890

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23907

Females

10029

F18-39

10029

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24365

Females

10280

F18-39

10280

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

24039

Females

10154

F18-39

10154

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

26583

Females

11409

F18-39

11409

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22186

Females

9207

F18-39

9207

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24176

Females

10272

F18-39

10272

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25000

Females

10698

F18-39

10698

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22241

Females

9258

F18-39

9258

Passing Analysis

Category:
Athletes Passed
1076
Passed By
719
Net Change
+357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25675
5K → 10K15698+58#25675#25617
10K → 15K11964+55#25617#25562
15K → 20K2964+292#25562#25270
20K → Half663+63#25270#25207
Half → 25K33126-93#25207#25300
25K → 30K44136-92#25300#25392
30K → 20M913+88#25392#25304
20M → 21M5010+40#25304#25264
21M → 35K398+31#25264#25233
35K → 23M0259-259#25233#25492
23M → 24M730+73#25492#25419
24M → 40K396+33#25419#25386
40K → 25.2M112+9#25386#25377
25.2M → Finish590+59#25377#25318
TOTALS1076719+357
📊

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