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BOSTON MARATHON 2023

Noemi Guzman

Bib: 11148•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #10060
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
46:37
Rank: #10049 (+11)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:04
Rank: #9279 (+770)
10K → 15K
22:27 | 7:14/mi
20K· 12.43 mi
1:31:40
Rank: #8823 (+456)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:36:37
Rank: #8776 (+47)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:12
Rank: #8451 (+325)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:17:21
Rank: #8138 (+313)
25K → 30K
23:09 | 7:27/mi
20M
2:27:30
Rank: #7975 (+163)
30K → 20M
10:09 | 7:28/mi
21M
2:35:11
Rank: #7787 (+188)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:40:22
Rank: #7656 (+131)
21M → 35K
5:11 | 6:56/mi
23M
2:49:37
Rank: #7489 (+167)
35K → 23M
9:15 | 7:23/mi
24M
2:56:40
Rank: #7350 (+139)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
3:02:41
Rank: #7206 (+144)
24M → 40K
6:01 | 7:02/mi
25.2M
3:05:16
Rank: #7123 (+83)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:12:08
Rank: #6936 (+187)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:31
Pace7:17 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2123:277:3323:27
7:33
-
10K
6.21 mi11:13:3146:377:3023:10
7:27
-0:06
15K
9.32 mi11:35:581:09:047:2522:27
7:14
-0:13
20K
12.43 mi11:58:341:31:407:2322:36
7:16
+0:02
Half
13.11 mi12:03:311:36:377:224:57
7:15
-0:01
25K
15.53 mi12:21:061:54:127:2117:35
7:15
0:00
30K
18.64 mi12:44:152:17:217:2223:09
7:27
+0:12
20M
20.00 mi12:54:242:27:307:2210:09
7:28
+0:01
21M
21.00 mi13:02:052:35:117:237:41
7:41
+0:13
35K
21.75 mi13:07:162:40:227:225:11
6:56
-0:45
23M
23.00 mi13:16:312:49:377:229:15
7:23
+0:27
24M
24.00 mi13:23:342:56:407:227:03
7:03
-0:20
40K
24.85 mi13:29:353:02:417:216:01
7:02
-0:01
25.2M
25.20 mi13:32:103:05:167:212:35
7:29
+0:27
Finish
26.22 mi13:39:023:12:087:206:52
6:44
-0:45

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

6:44 /mi

Average Pace

7:20 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:57

53% of race

Time at Steady Pace

1:30:11

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:50:2123:277:3323:27
7:33
#10060
10K
6.21 mi11:13:3146:377:3023:10
7:27
#10049
15K
9.32 mi11:35:581:09:047:2522:27
7:14
#9279
20K
12.43 mi11:58:341:31:407:2322:36
7:16
#8823
Half
13.11 mi12:03:311:36:377:224:57
7:15
#8776
25K
15.53 mi12:21:061:54:127:2117:35
7:15
#8451
30K
18.64 mi12:44:152:17:217:2223:09
7:27
#8138
20M
20.00 mi12:54:242:27:307:2210:09
7:28
#7975
21M
21.00 mi13:02:052:35:117:237:41
7:41
#7787
35K
21.75 mi13:07:162:40:227:225:11
6:56
#7656
23M
23.00 mi13:16:312:49:377:229:15
7:23
#7489
24M
24.00 mi13:23:342:56:407:227:03
7:03
#7350
40K
24.85 mi13:29:353:02:417:216:01
7:02
#7206
25.2M
25.20 mi13:32:103:05:167:212:35
7:29
#7123
Finish
26.22 mi13:39:023:12:087:206:52
6:44
#6936
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10060188518857985(Top 30%)1060(Top 9%)1060(Top 22%)
10K6.21 mi3.10 mi10049+111858+271858+2710124(Top 38%)1872(Top 16%)1872(Top 38%)
15K9.32 mi3.11 mi9279+7701532+3261532+3267985(Top 30%)1060(Top 9%)1060(Top 22%)
20K12.43 mi3.11 mi8823+4561361+1711361+1717607(Top 29%)963(Top 8%)963(Top 20%)
Half13.11 mi0.68 mi8776+471347+141347+148280(Top 31%)1185(Top 10%)1185(Top 24%)
25K15.53 mi2.42 mi8451+3251240+1071240+1076975(Top 26%)831(Top 7%)831(Top 17%)
30K18.64 mi3.11 mi8138+3131168+721168+726910(Top 26%)901(Top 8%)901(Top 18%)
20M20.00 mi1.36 mi7975+1631122+461122+466612(Top 25%)891(Top 8%)891(Top 18%)
21M21.00 mi1.00 mi7787+1881064+581064+585558(Top 21%)686(Top 6%)686(Top 14%)
35K21.75 mi0.75 mi7656+1311028+361028+365003(Top 19%)518(Top 5%)518(Top 11%)
23M23.00 mi1.25 mi7489+1671002+261002+265816(Top 22%)757(Top 7%)757(Top 15%)
24M24.00 mi1.00 mi7350+139972+30972+304960(Top 19%)570(Top 5%)570(Top 12%)
40K24.85 mi0.85 mi7206+144941+31941+314080(Top 15%)433(Top 4%)433(Top 9%)
25.2M25.20 mi0.35 mi7123+83921+20921+203949(Top 15%)438(Top 4%)438(Top 9%)
Finish26.22 mi1.02 mi6936+187893+28893+283766(Top 14%)417(Top 4%)417(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7985

Females

1060

F18-39

1060

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10124

Females

1872

F18-39

1872

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7985

Females

1060

F18-39

1060

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7607

Females

963

F18-39

963

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8280

Females

1185

F18-39

1185

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6975

Females

831

F18-39

831

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6910

Females

901

F18-39

901

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6612

Females

891

F18-39

891

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5558

Females

686

F18-39

686

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5003

Females

518

F18-39

518

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5816

Females

757

F18-39

757

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4960

Females

570

F18-39

570

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4080

Females

433

F18-39

433

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3949

Females

438

F18-39

438

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3766

Females

417

F18-39

417

Passing Analysis

Category:
Athletes Passed
3519*
Passed By
395
Net Change
+3124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10060
5K → 10K316305+11#10060#10049
10K → 15K777*7+770#10049#9279
15K → 20K4648+456#9279#8823
20K → Half536+47#8823#8776
Half → 25K3272+325#8776#8451
25K → 30K32916+313#8451#8138
30K → 20M17815+163#8138#7975
20M → 21M1979+188#7975#7787
21M → 35K1310+131#7787#7656
35K → 23M17710+167#7656#7489
23M → 24M1467+139#7489#7350
24M → 40K1506+144#7350#7206
40K → 25.2M830+83#7206#7123
25.2M → Finish1914+187#7123#6936
TOTALS3519*395+3124

* 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