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BOSTON MARATHON 2023

Mariana Lotto

Bib: 29645•F

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
27:15
Rank: #19303
Start → 5K
27:15 | 8:46/mi
10K· 6.21 mi
52:53
Rank: #17970 (+1333)
5K → 10K
25:38 | 8:15/mi
15K· 9.32 mi
1:19:08
Rank: #17792 (+178)
10K → 15K
26:15 | 8:27/mi
20K· 12.43 mi
1:45:54
Rank: #17704 (+88)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:51:44
Rank: #17698 (+6)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:13:07
Rank: #17744 (-46)
Half → 25K
21:23 | 8:49/mi
30K· 18.64 mi
2:41:48
Rank: #17852 (-108)
25K → 30K
28:41 | 9:14/mi
20M
2:54:34
Rank: #17899 (-47)
30K → 20M
12:46 | 9:24/mi
21M
3:04:44
Rank: #17956 (-57)
20M → 21M
10:10 | 10:10/mi
35K· 21.75 mi
3:11:41
Rank: #18020 (-64)
21M → 35K
6:57 | 9:17/mi
23M
3:24:01
Rank: #18151 (-131)
35K → 23M
12:20 | 9:51/mi
24M
3:33:29
Rank: #18215 (-64)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:41:59
Rank: #18315 (-100)
24M → 40K
8:30 | 9:56/mi
25.2M
3:45:33
Rank: #18317 (-2)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:55:03
Rank: #18385 (-68)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:44
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:03:19
Pace9:24 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0327:158:4627:15
8:46
-
10K
6.21 mi12:10:4152:538:3125:38
8:15
-0:31
15K
9.32 mi12:36:561:19:088:2926:15
8:27
+0:12
20K
12.43 mi13:03:421:45:548:3126:46
8:37
+0:10
Half
13.11 mi13:09:321:51:448:315:50
8:33
-0:04
25K
15.53 mi13:30:552:13:078:3421:23
8:49
+0:16
30K
18.64 mi13:59:362:41:488:4128:41
9:14
+0:25
20M
20.00 mi14:12:222:54:348:4412:46
9:24
+0:10
21M
21.00 mi14:22:323:04:448:4810:10
10:10
+0:46
35K
21.75 mi14:29:293:11:418:496:57
9:17
-0:53
23M
23.00 mi14:41:493:24:018:5212:20
9:51
+0:34
24M
24.00 mi14:51:173:33:298:549:28
9:28
-0:23
40K
24.85 mi14:59:473:41:598:568:30
9:56
+0:28
25.2M
25.20 mi15:03:213:45:338:573:34
10:21
+0:25
Finish
26.22 mi15:12:513:55:038:589:30
9:19
-1:02

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

8:15 /mi

Average Pace

8:58 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:07

57% of race

Time at Steady Pace

1:07:22

29% of race

Time at Slower Pace

34:34

15% of race

Average Pace: 8:58 /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 mi11:45:0327:158:4627:15
8:46
#19303
10K
6.21 mi12:10:4152:538:3125:38
8:15
#17970
15K
9.32 mi12:36:561:19:088:2926:15
8:27
#17792
20K
12.43 mi13:03:421:45:548:3126:46
8:37
#17704
Half
13.11 mi13:09:321:51:448:315:50
8:33
#17698
25K
15.53 mi13:30:552:13:078:3421:23
8:49
#17744
30K
18.64 mi13:59:362:41:488:4128:41
9:14
#17852
20M
20.00 mi14:12:222:54:348:4412:46
9:24
#17899
21M
21.00 mi14:22:323:04:448:4810:10
10:10
#17956
35K
21.75 mi14:29:293:11:418:496:57
9:17
#18020
23M
23.00 mi14:41:493:24:018:5212:20
9:51
#18151
24M
24.00 mi14:51:173:33:298:549:28
9:28
#18215
40K
24.85 mi14:59:473:41:598:568:30
9:56
#18315
25.2M
25.20 mi15:03:213:45:338:573:34
10:21
#18317
Finish
26.22 mi15:12:513:55:038:589:30
9:19
#18385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi193037388738817475(Top 66%)6199(Top 54%)6199(Top 127%)
10K6.21 mi3.10 mi17970+13336518+8706518+87016608(Top 62%)5647(Top 49%)5647(Top 116%)
15K9.32 mi3.11 mi17792+1786401+1176401+11717475(Top 66%)6199(Top 54%)6199(Top 127%)
20K12.43 mi3.11 mi17704+886348+536348+5317606(Top 66%)6294(Top 55%)6294(Top 129%)
Half13.11 mi0.68 mi17698+66346+26346+218067(Top 68%)6531(Top 57%)6531(Top 134%)
25K15.53 mi2.42 mi17744-466378-326378-3218073(Top 68%)6594(Top 58%)6594(Top 135%)
30K18.64 mi3.11 mi17852-1086472-946472-9418315(Top 69%)6819(Top 60%)6819(Top 140%)
20M20.00 mi1.36 mi17899-476525-536525-5318449(Top 69%)6997(Top 61%)6997(Top 143%)
21M21.00 mi1.00 mi17956-576562-376562-3718615(Top 70%)7118(Top 62%)7118(Top 146%)
35K21.75 mi0.75 mi18020-646610-486610-4819119(Top 72%)7449(Top 65%)7449(Top 153%)
23M23.00 mi1.25 mi18151-1316701-916701-9119573(Top 74%)7725(Top 68%)7725(Top 158%)
24M24.00 mi1.00 mi18215-646749-486749-4819108(Top 72%)7505(Top 66%)7505(Top 154%)
40K24.85 mi0.85 mi18315-1006823-746823-7419817(Top 74%)7952(Top 70%)7952(Top 163%)
25.2M25.20 mi0.35 mi18317-26825-26825-218637(Top 70%)7299(Top 64%)7299(Top 149%)
Finish26.22 mi1.02 mi18385-686875-506875-5019468(Top 73%)7711(Top 68%)7711(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17475

Females

6199

F18-39

6199

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16608

Females

5647

F18-39

5647

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17475

Females

6199

F18-39

6199

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17606

Females

6294

F18-39

6294

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18067

Females

6531

F18-39

6531

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18073

Females

6594

F18-39

6594

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18315

Females

6819

F18-39

6819

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18449

Females

6997

F18-39

6997

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18615

Females

7118

F18-39

7118

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19119

Females

7449

F18-39

7449

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19573

Females

7725

F18-39

7725

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19108

Females

7505

F18-39

7505

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19817

Females

7952

F18-39

7952

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18637

Females

7299

F18-39

7299

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19468

Females

7711

F18-39

7711

Passing Analysis

Category:
Athletes Passed
2499
Passed By
1581
Net Change
+918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19303
5K → 10K139461+1333#19303#17970
10K → 15K288110+178#17970#17792
15K → 20K211123+88#17792#17704
20K → Half3024+6#17704#17698
Half → 25K103149-46#17698#17744
25K → 30K151259-108#17744#17852
30K → 20M79126-47#17852#17899
20M → 21M63120-57#17899#17956
21M → 35K3094-64#17956#18020
35K → 23M42173-131#18020#18151
23M → 24M3195-64#18151#18215
24M → 40K25125-100#18215#18315
40K → 25.2M2224-2#18315#18317
25.2M → Finish3098-68#18317#18385
TOTALS24991581+918
📊

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