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BOSTON MARATHON 2023

Sara Larios

Bib: 17933•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:30/mi
23:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:10:12
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:34:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:39:57
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
1:59:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:24:24
↑ 181↓ 1480.2%
20M
8:17/mi
2:35:39
↑ 64↓ 500.2%
21M
8:55/mi
2:44:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:50:20
↑ 17↓ 861.7%
23M
8:18/mi
3:00:44
↑ 23↓ 630.6%
24M
7:55/mi
3:08:39
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:15:30
↓ 200.3%
25.2M
8:30/mi
3:18:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:26:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:57
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:46:45
Pace8:09 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4923:177:3023:17
7:30
-
10K
6.21 mi11:36:5446:227:2823:05
7:26
-0:04
15K
9.32 mi12:00:441:10:127:3223:50
7:40
+0:14
20K
12.43 mi12:25:121:34:407:3724:28
7:53
+0:13
Half
13.11 mi12:30:291:39:577:375:17
7:45
-0:08
25K
15.53 mi12:49:471:59:157:4119:18
7:58
+0:13
30K
18.64 mi13:14:562:24:247:4525:09
8:06
+0:08
20M
20.00 mi13:26:112:35:397:4711:15
8:17
+0:11
21M
21.00 mi13:35:062:44:347:508:55
8:55
+0:38
35K
21.75 mi13:40:522:50:207:505:46
7:42
-1:13
23M
23.00 mi13:51:163:00:447:5110:24
8:18
+0:36
24M
24.00 mi13:59:113:08:397:527:55
7:55
-0:23
40K
24.85 mi14:06:023:15:307:526:51
8:01
+0:06
25.2M
25.20 mi14:08:583:18:267:522:56
8:30
+0:29
Finish
26.22 mi14:17:143:26:427:538:16
8:07
-0:23

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

7:26 /mi

Average Pace

7:53 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:12

84% of race

Time at Steady Pace

24:35

12% of race

Time at Slower Pace

8:55

4% of race

Average Pace: 7:53 /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 mi11:13:4923:177:3023:17
7:30
#9598
10K
6.21 mi11:36:5446:227:2823:05
7:26
#9692
15K
9.32 mi12:00:441:10:127:3223:50
7:40
#10355
20K
12.43 mi12:25:121:34:407:3724:28
7:53
#10856
Half
13.11 mi12:30:291:39:577:375:17
7:45
#10936
25K
15.53 mi12:49:471:59:157:4119:18
7:58
#11119
30K
18.64 mi13:14:562:24:247:4525:09
8:06
#11148
20M
20.00 mi13:26:112:35:397:4711:15
8:17
#11206
21M
21.00 mi13:35:062:44:347:508:55
8:55
#11295
35K
21.75 mi13:40:522:50:207:505:46
7:42
#11245
23M
23.00 mi13:51:163:00:447:5110:24
8:18
#11279
24M
24.00 mi13:59:113:08:397:527:55
7:55
#11251
40K
24.85 mi14:06:023:15:307:526:51
8:01
#11170
25.2M
25.20 mi14:08:583:18:267:522:56
8:30
#11129
Finish
26.22 mi14:17:143:26:427:538:16
8:07
#11201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi95981664166411608(Top 44%)2687(Top 24%)2687(Top 55%)
10K6.21 mi3.10 mi9692-941704-401704-409904(Top 37%)1776(Top 16%)1776(Top 36%)
15K9.32 mi3.11 mi10355-6631990-2861990-28611608(Top 44%)2687(Top 24%)2687(Top 55%)
20K12.43 mi3.11 mi10856-5012270-2802270-28012400(Top 47%)3193(Top 28%)3193(Top 65%)
Half13.11 mi0.68 mi10936-802305-352305-3512266(Top 46%)3058(Top 27%)3058(Top 63%)
25K15.53 mi2.42 mi11119-1832419-1142419-11412404(Top 47%)3304(Top 29%)3304(Top 68%)
30K18.64 mi3.11 mi11148-292494-752494-7511603(Top 44%)2959(Top 26%)2959(Top 61%)
20M20.00 mi1.36 mi11206-582549-552549-5512218(Top 46%)3400(Top 30%)3400(Top 70%)
21M21.00 mi1.00 mi11295-892619-702619-7012941(Top 49%)3905(Top 34%)3905(Top 80%)
35K21.75 mi0.75 mi11245+502600+192600+1910050(Top 38%)2388(Top 21%)2388(Top 49%)
23M23.00 mi1.25 mi11279-342646-462646-4611941(Top 45%)3479(Top 30%)3479(Top 71%)
24M24.00 mi1.00 mi11251+282653-72653-710678(Top 40%)2922(Top 26%)2922(Top 60%)
40K24.85 mi0.85 mi11170+812636+172636+1710165(Top 38%)2737(Top 24%)2737(Top 56%)
25.2M25.20 mi0.35 mi11129+412631+52631+59655(Top 36%)2538(Top 22%)2538(Top 52%)
Finish26.22 mi1.02 mi11201-722690-592690-5912866(Top 48%)4137(Top 36%)4137(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11608

Females

2687

F18-39

2687

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9904

Females

1776

F18-39

1776

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11608

Females

2687

F18-39

2687

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12400

Females

3193

F18-39

3193

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12266

Females

3058

F18-39

3058

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12404

Females

3304

F18-39

3304

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11603

Females

2959

F18-39

2959

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12218

Females

3400

F18-39

3400

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12941

Females

3905

F18-39

3905

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10050

Females

2388

F18-39

2388

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11941

Females

3479

F18-39

3479

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10678

Females

2922

F18-39

2922

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10165

Females

2737

F18-39

2737

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9655

Females

2538

F18-39

2538

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12866

Females

4137

F18-39

4137

Passing Analysis

Category:
Athletes Passed
1158
Passed By
2759
Net Change
-1603
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9598
5K → 10K260354-94#9598#9692
10K → 15K39700-663#9692#10355
15K → 20K42543-501#10355#10856
20K → Half888-80#10856#10936
Half → 25K75258-183#10936#11119
25K → 30K169198-29#11119#11148
30K → 20M71129-58#11148#11206
20M → 21M60149-89#11206#11295
21M → 35K7121+50#11295#11245
35K → 23M81115-34#11245#11279
23M → 24M7850+28#11279#11251
24M → 40K10221+81#11251#11170
40K → 25.2M5615+41#11170#11129
25.2M → Finish46118-72#11129#11201
TOTALS11582759-1603
📊

Passing Visuals

Category:
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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