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BOSTON MARATHON 2023

Eva Lozano

Bib: 3354•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Masters (Masters Women)
#0 / 6539
Top 0.8%
Division (F40-44)
#0 / 1878
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3693
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:18
Rank: #3516 (+177)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:02:00
Rank: #3585 (-69)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:23:06
Rank: #3742 (-157)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:27:42
Rank: #3786 (-44)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:11
Rank: #3847 (-61)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:06:09
Rank: #4015 (-168)
25K → 30K
21:58 | 7:04/mi
20M
2:15:56
Rank: #4124 (-109)
30K → 20M
9:47 | 7:12/mi
21M
2:23:41
Rank: #4240 (-116)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:28:53
Rank: #4270 (-30)
21M → 35K
5:12 | 6:57/mi
23M
2:38:17
Rank: #4472 (-202)
35K → 23M
9:24 | 7:30/mi
24M
2:45:33
Rank: #4541 (-69)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:51:52
Rank: #4571 (-30)
24M → 40K
6:19 | 7:23/mi
25.2M
2:54:31
Rank: #4567 (+4)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:01:33
Rank: #4528 (+39)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:42
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:33:51
Pace7:10 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0820:496:4220:49
6:42
-
10K
6.21 mi10:42:3741:186:3920:29
6:36
-0:06
15K
9.32 mi11:03:191:02:006:3920:42
6:40
+0:04
20K
12.43 mi11:24:251:23:066:4121:06
6:47
+0:07
Half
13.11 mi11:29:011:27:426:414:36
6:45
-0:02
25K
15.53 mi11:45:301:44:116:4216:29
6:48
+0:03
30K
18.64 mi12:07:282:06:096:4621:58
7:04
+0:16
20M
20.00 mi12:17:152:15:566:489:47
7:12
+0:08
21M
21.00 mi12:25:002:23:416:517:45
7:45
+0:33
35K
21.75 mi12:30:122:28:536:515:12
6:57
-0:48
23M
23.00 mi12:39:362:38:176:539:24
7:30
+0:33
24M
24.00 mi12:46:522:45:336:547:16
7:16
-0:14
40K
24.85 mi12:53:112:51:526:556:19
7:23
+0:07
25.2M
25.20 mi12:55:502:54:316:562:39
7:41
+0:18
Finish
26.22 mi13:02:523:01:336:567:02
6:54
-0:47

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

6:36 /mi

Average Pace

6:56 /mi

Slowest Pace

7:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:10

82% of race

Time at Steady Pace

33:23

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:22:0820:496:4220:49
6:42
#3693
10K
6.21 mi10:42:3741:186:3920:29
6:36
#3516
15K
9.32 mi11:03:191:02:006:3920:42
6:40
#3585
20K
12.43 mi11:24:251:23:066:4121:06
6:47
#3742
Half
13.11 mi11:29:011:27:426:414:36
6:45
#3786
25K
15.53 mi11:45:301:44:116:4216:29
6:48
#3847
30K
18.64 mi12:07:282:06:096:4621:58
7:04
#4015
20M
20.00 mi12:17:152:15:566:489:47
7:12
#4124
21M
21.00 mi12:25:002:23:416:517:45
7:45
#4240
35K
21.75 mi12:30:122:28:536:515:12
6:57
#4270
23M
23.00 mi12:39:362:38:176:539:24
7:30
#4472
24M
24.00 mi12:46:522:45:336:547:16
7:16
#4541
40K
24.85 mi12:53:112:51:526:556:19
7:23
#4571
25.2M
25.20 mi12:55:502:54:316:562:39
7:41
#4567
Finish
26.22 mi13:02:523:01:336:567:02
6:54
#4528
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi36932172173806(Top 14%)223(Top 2%)223(Top 12%)
10K6.21 mi3.10 mi3516+177192+25192+253468(Top 13%)181(Top 2%)181(Top 10%)
15K9.32 mi3.11 mi3585-69193-1193-13806(Top 14%)223(Top 2%)223(Top 12%)
20K12.43 mi3.11 mi3742-157201-8201-84381(Top 16%)287(Top 3%)287(Top 15%)
Half13.11 mi0.68 mi3786-44206-5206-54851(Top 18%)345(Top 3%)345(Top 18%)
25K15.53 mi2.42 mi3847-61213-7213-74160(Top 16%)265(Top 2%)265(Top 14%)
30K18.64 mi3.11 mi4015-168235-22235-224786(Top 18%)369(Top 3%)369(Top 20%)
20M20.00 mi1.36 mi4124-109247-12247-125117(Top 19%)476(Top 4%)476(Top 25%)
21M21.00 mi1.00 mi4240-116267-20267-205921(Top 22%)770(Top 7%)770(Top 41%)
35K21.75 mi0.75 mi4270-30273-6273-65096(Top 19%)522(Top 5%)522(Top 28%)
23M23.00 mi1.25 mi4472-202299-26299-266473(Top 24%)974(Top 9%)974(Top 52%)
24M24.00 mi1.00 mi4541-69305-6305-66160(Top 23%)952(Top 8%)952(Top 51%)
40K24.85 mi0.85 mi4571-30315-10315-106015(Top 23%)973(Top 9%)973(Top 52%)
25.2M25.20 mi0.35 mi4567+4317-2317-24843(Top 18%)650(Top 6%)650(Top 35%)
Finish26.22 mi1.02 mi4528+39318-1318-14662(Top 18%)614(Top 5%)614(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3806

Females

223

F40-44

223

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3468

Females

181

F40-44

181

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3806

Females

223

F40-44

223

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4381

Females

287

F40-44

287

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4851

Females

345

F40-44

345

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4160

Females

265

F40-44

265

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4786

Females

369

F40-44

369

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5117

Females

476

F40-44

476

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5921

Females

770

F40-44

770

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5096

Females

522

F40-44

522

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6473

Females

974

F40-44

974

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6160

Females

952

F40-44

952

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6015

Females

973

F40-44

973

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4843

Females

650

F40-44

650

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4662

Females

614

F40-44

614

Passing Analysis

Category:
Athletes Passed
835
Passed By
1670
Net Change
-835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3693
5K → 10K303126+177#3693#3516
10K → 15K77146-69#3516#3585
15K → 20K46203-157#3585#3742
20K → Half852-44#3742#3786
Half → 25K63124-61#3786#3847
25K → 30K68236-168#3847#4015
30K → 20M26135-109#4015#4124
20M → 21M41157-116#4124#4240
21M → 35K2656-30#4240#4270
35K → 23M30232-202#4270#4472
23M → 24M2493-69#4472#4541
24M → 40K3666-30#4541#4571
40K → 25.2M2117+4#4571#4567
25.2M → Finish6627+39#4567#4528
TOTALS8351670-835
📊

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