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BOSTON MARATHON 2023

Lizett Medina Briseno

Bib: 12780•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Division (F18-39)
#0 / 4884
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
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:57
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:46:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:10/mi
2:06:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:32:56
↑ 181↓ 1480.2%
20M
8:32/mi
2:44:32
↑ 64↓ 500.2%
21M
9:00/mi
2:53:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:59:35
↑ 17↓ 861.7%
23M
8:11/mi
3:09:50
↑ 23↓ 630.6%
24M
8:09/mi
3:17:59
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:25:05
↓ 200.3%
25.2M
8:51/mi
3:28:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:36:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:49:33
Pace8:21 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:3725:508:1925:50
8:19
-
10K
6.21 mi11:26:4350:568:1225:06
8:05
-0:14
15K
9.32 mi11:51:441:15:578:0925:01
8:03
-0:02
20K
12.43 mi12:17:091:41:228:0925:25
8:11
+0:08
Half
13.11 mi12:22:371:46:508:095:28
8:01
-0:10
25K
15.53 mi12:42:252:06:388:0919:48
8:10
+0:09
30K
18.64 mi13:08:432:32:568:1226:18
8:28
+0:18
20M
20.00 mi13:20:192:44:328:1411:36
8:32
+0:04
21M
21.00 mi13:29:192:53:328:169:00
9:00
+0:28
35K
21.75 mi13:35:222:59:358:156:03
8:05
-0:55
23M
23.00 mi13:45:373:09:508:1510:15
8:11
+0:06
24M
24.00 mi13:53:463:17:598:158:09
8:09
-0:02
40K
24.85 mi14:00:523:25:058:157:06
8:18
+0:09
25.2M
25.20 mi14:03:553:28:088:163:03
8:51
+0:33
Finish
26.22 mi14:12:103:36:238:168:15
8:06
-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

8:01 /mi

Average Pace

8:16 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:20

94% of race

Time at Steady Pace

12:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:01:3725:508:1925:50
8:19
#16264
10K
6.21 mi11:26:4350:568:1225:06
8:05
#15806
15K
9.32 mi11:51:441:15:578:0925:01
8:03
#15483
20K
12.43 mi12:17:091:41:228:0925:25
8:11
#15298
Half
13.11 mi12:22:371:46:508:095:28
8:01
#15248
25K
15.53 mi12:42:252:06:388:0919:48
8:10
#15005
30K
18.64 mi13:08:432:32:568:1226:18
8:28
#14850
20M
20.00 mi13:20:192:44:328:1411:36
8:32
#14750
21M
21.00 mi13:29:192:53:328:169:00
9:00
#14650
35K
21.75 mi13:35:222:59:358:156:03
8:05
#14564
23M
23.00 mi13:45:373:09:508:1510:15
8:11
#14358
24M
24.00 mi13:53:463:17:598:158:09
8:09
#14238
40K
24.85 mi14:00:523:25:058:157:06
8:18
#14143
25.2M
25.20 mi14:03:553:28:088:163:03
8:51
#14088
Finish
26.22 mi14:12:103:36:238:168:15
8:06
#14022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162645445544514825(Top 56%)4582(Top 40%)4582(Top 94%)
10K6.21 mi3.10 mi15806+4585160+2855160+28515369(Top 58%)4890(Top 43%)4890(Top 100%)
15K9.32 mi3.11 mi15483+3234968+1924968+19214825(Top 56%)4582(Top 40%)4582(Top 94%)
20K12.43 mi3.11 mi15298+1854870+984870+9814844(Top 56%)4612(Top 40%)4612(Top 94%)
Half13.11 mi0.68 mi15248+504841+294841+2914540(Top 55%)4409(Top 39%)4409(Top 90%)
25K15.53 mi2.42 mi15005+2434713+1284713+12814011(Top 53%)4231(Top 37%)4231(Top 87%)
30K18.64 mi3.11 mi14850+1554648+654648+6514086(Top 53%)4383(Top 38%)4383(Top 90%)
20M20.00 mi1.36 mi14750+1004607+414607+4113861(Top 52%)4330(Top 38%)4330(Top 89%)
21M21.00 mi1.00 mi14650+1004578+294578+2913431(Top 50%)4176(Top 37%)4176(Top 86%)
35K21.75 mi0.75 mi14564+864542+364542+3612752(Top 48%)3859(Top 34%)3859(Top 79%)
23M23.00 mi1.25 mi14358+2064450+924450+9211141(Top 42%)3095(Top 27%)3095(Top 63%)
24M24.00 mi1.00 mi14238+1204391+594391+5912293(Top 46%)3753(Top 33%)3753(Top 77%)
40K24.85 mi0.85 mi14143+954359+324359+3212122(Top 46%)3747(Top 33%)3747(Top 77%)
25.2M25.20 mi0.35 mi14088+554331+284331+2811682(Top 44%)3578(Top 31%)3578(Top 73%)
Finish26.22 mi1.02 mi14022+664310+214310+2112783(Top 48%)4107(Top 36%)4107(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14825

Females

4582

F18-39

4582

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15369

Females

4890

F18-39

4890

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14825

Females

4582

F18-39

4582

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14844

Females

4612

F18-39

4612

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14540

Females

4409

F18-39

4409

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14011

Females

4231

F18-39

4231

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14086

Females

4383

F18-39

4383

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13861

Females

4330

F18-39

4330

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13431

Females

4176

F18-39

4176

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12752

Females

3859

F18-39

3859

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11141

Females

3095

F18-39

3095

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12293

Females

3753

F18-39

3753

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12122

Females

3747

F18-39

3747

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11682

Females

3578

F18-39

3578

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12783

Females

4107

F18-39

4107

Passing Analysis

Category:
Athletes Passed
2825
Passed By
583
Net Change
+2242
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16264
5K → 10K589131+458#16264#15806
10K → 15K38562+323#15806#15483
15K → 20K26883+185#15483#15298
20K → Half6313+50#15298#15248
Half → 25K27532+243#15248#15005
25K → 30K25095+155#15005#14850
30K → 20M13535+100#14850#14750
20M → 21M13535+100#14750#14650
21M → 35K904+86#14650#14564
35K → 23M2115+206#14564#14358
23M → 24M14222+120#14358#14238
24M → 40K11823+95#14238#14143
40K → 25.2M6712+55#14143#14088
25.2M → Finish9731+66#14088#14022
TOTALS2825583+2242
📊

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