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BOSTON MARATHON 2023

Nick Vizarreta

Bib: 26103•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
8:24/mi
26:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
50:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:16:29
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:43:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:49:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:12:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
2:44:23
↑ 181↓ 1480.2%
20M
12:03/mi
3:00:45
↑ 64↓ 500.2%
21M
12:53/mi
3:13:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:39/mi
3:21:36
↑ 17↓ 861.7%
23M
11:32/mi
3:36:03
↑ 23↓ 630.6%
24M
11:08/mi
3:47:11
↓ 821.3%
40K· 24.85 mi
10:53/mi
3:56:29
↓ 200.3%
25.2M
11:59/mi
4:00:37
↑ 13↓ 160.2%
Finish· 26.22 mi
10:01/mi
4:10:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:21:19
Pace10:47 /mi
📊Positive Split: 29.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3426:058:2426:05
8:24
-
10K
6.21 mi12:07:1750:488:1124:43
7:57
-0:27
15K
9.32 mi12:32:581:16:298:1225:41
8:16
+0:19
20K
12.43 mi13:00:041:43:358:2027:06
8:43
+0:27
Half
13.11 mi13:05:591:49:308:215:55
8:40
-0:03
25K
15.53 mi13:28:472:12:188:3122:48
9:24
+0:44
30K
18.64 mi14:00:522:44:238:4932:05
10:20
+0:56
20M
20.00 mi14:17:143:00:459:0216:22
12:03
+1:43
21M
21.00 mi14:30:073:13:389:1312:53
12:53
+0:50
35K
21.75 mi14:38:053:21:369:167:58
10:39
-2:14
23M
23.00 mi14:52:323:36:039:2414:27
11:32
+0:53
24M
24.00 mi15:03:403:47:119:2811:08
11:08
-0:24
40K
24.85 mi15:12:583:56:299:319:18
10:53
-0:15
25.2M
25.20 mi15:17:064:00:379:334:08
11:59
+1:06
Finish
26.22 mi15:27:184:10:499:3410:12
10:01
-1:58

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

7:57 /mi

Average Pace

9:34 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:18

53% of race

Time at Steady Pace

59:33

24% of race

Time at Slower Pace

58:58

24% of race

Average Pace: 9:34 /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 mi11:42:3426:058:2426:05
8:24
#16842
10K
6.21 mi12:07:1750:488:1124:43
7:57
#15651
15K
9.32 mi12:32:581:16:298:1225:41
8:16
#15870
20K
12.43 mi13:00:041:43:358:2027:06
8:43
#16517
Half
13.11 mi13:05:591:49:308:215:55
8:40
#16653
25K
15.53 mi13:28:472:12:188:3122:48
9:24
#17429
30K
18.64 mi14:00:522:44:238:4932:05
10:20
#18691
20M
20.00 mi14:17:143:00:459:0216:22
12:03
#19536
21M
21.00 mi14:30:073:13:389:1312:53
12:53
#20036
35K
21.75 mi14:38:053:21:369:167:58
10:39
#20175
23M
23.00 mi14:52:323:36:039:2414:27
11:32
#20442
24M
24.00 mi15:03:403:47:119:2811:08
11:08
#20614
40K
24.85 mi15:12:583:56:299:319:18
10:53
#20681
25.2M
25.20 mi15:17:064:00:379:334:08
11:59
#20719
Finish
26.22 mi15:27:184:10:499:3410:12
10:01
#20747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16842110051100516320(Top 61%)10815(Top 71%)10815(Top 205%)
10K6.21 mi3.10 mi15651+119110570+43510570+43514445(Top 54%)10103(Top 67%)10103(Top 191%)
15K9.32 mi3.11 mi15870-21910653-8310653-8316320(Top 61%)10815(Top 71%)10815(Top 205%)
20K12.43 mi3.11 mi16517-64710873-22010873-22018253(Top 69%)11593(Top 76%)11593(Top 219%)
Half13.11 mi0.68 mi16653-13610918-4510918-4518765(Top 70%)11820(Top 78%)11820(Top 224%)
25K15.53 mi2.42 mi17429-77611213-29511213-29520529(Top 77%)12504(Top 82%)12504(Top 237%)
30K18.64 mi3.11 mi18691-126211702-48911702-48921833(Top 82%)13003(Top 86%)13003(Top 246%)
20M20.00 mi1.36 mi19536-84512043-34112043-34124254(Top 91%)14018(Top 92%)14018(Top 265%)
21M21.00 mi1.00 mi20036-50012247-20412247-20423941(Top 90%)13863(Top 91%)13863(Top 262%)
35K21.75 mi0.75 mi20175-13912293-4612293-4622657(Top 85%)13233(Top 87%)13233(Top 250%)
23M23.00 mi1.25 mi20442-26712401-10812401-10823316(Top 88%)13535(Top 89%)13535(Top 256%)
24M24.00 mi1.00 mi20614-17212460-5912460-5923285(Top 87%)13471(Top 89%)13471(Top 255%)
40K24.85 mi0.85 mi20681-6712484-2412484-2422086(Top 83%)12872(Top 85%)12872(Top 244%)
25.2M25.20 mi0.35 mi20719-3812494-1012494-1022442(Top 84%)13044(Top 86%)13044(Top 247%)
Finish26.22 mi1.02 mi20747-2812499-512499-521776(Top 82%)12757(Top 84%)12757(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16320

Males

10815

M18-39

10815

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14445

Males

10103

M18-39

10103

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16320

Males

10815

M18-39

10815

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18253

Males

11593

M18-39

11593

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18765

Males

11820

M18-39

11820

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20529

Males

12504

M18-39

12504

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21833

Males

13003

M18-39

13003

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24254

Males

14018

M18-39

14018

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23941

Males

13863

M18-39

13863

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22657

Males

13233

M18-39

13233

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23316

Males

13535

M18-39

13535

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23285

Males

13471

M18-39

13471

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22086

Males

12872

M18-39

12872

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22442

Males

13044

M18-39

13044

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21776

Males

12757

M18-39

12757

Passing Analysis

Category:
Athletes Passed
1567
Passed By
5472
Net Change
-3905
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16842
5K → 10K124352+1191#16842#15651
10K → 15K113332-219#15651#15870
15K → 20K46693-647#15870#16517
20K → Half9145-136#16517#16653
Half → 25K25801-776#16653#17429
25K → 30K141276-1262#17429#18691
30K → 20M9854-845#18691#19536
20M → 21M11511-500#19536#20036
21M → 35K18157-139#20036#20175
35K → 23M15282-267#20175#20442
23M → 24M13185-172#20442#20614
24M → 40K2188-67#20614#20681
40K → 25.2M846-38#20681#20719
25.2M → Finish2250-28#20719#20747
TOTALS15675472-3905
📊

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