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BOSTON MARATHON 2023

Brian Buran

Bib: 25300•M

DC

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
8:44/mi
27:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
54:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:21:46
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:50:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:56:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:18:30
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:49:06
↑ 181↓ 1480.2%
20M
9:49/mi
3:02:26
↑ 64↓ 500.2%
21M
10:52/mi
3:13:18
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:20:10
↑ 17↓ 861.7%
23M
9:43/mi
3:32:20
↑ 23↓ 630.6%
24M
9:26/mi
3:41:46
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:50:06
↓ 200.3%
25.2M
10:00/mi
3:53:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
4:02:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:14
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:06:06
Pace9:37 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0227:098:4427:09
8:44
-
10K
6.21 mi12:09:5654:038:4226:54
8:39
-0:05
15K
9.32 mi12:37:391:21:468:4627:43
8:55
+0:16
20K
12.43 mi13:06:001:50:078:5228:21
9:07
+0:12
Half
13.11 mi13:12:071:56:148:526:07
8:58
-0:09
25K
15.53 mi13:34:232:18:308:5522:16
9:11
+0:13
30K
18.64 mi14:04:592:49:069:0430:36
9:51
+0:40
20M
20.00 mi14:18:193:02:269:0713:20
9:49
-0:02
21M
21.00 mi14:29:113:13:189:1210:52
10:52
+1:03
35K
21.75 mi14:36:033:20:109:126:52
9:11
-1:41
23M
23.00 mi14:48:133:32:209:1412:10
9:43
+0:32
24M
24.00 mi14:57:393:41:469:149:26
9:26
-0:17
40K
24.85 mi15:05:593:50:069:158:20
9:45
+0:19
25.2M
25.20 mi15:09:263:53:339:163:27
10:00
+0:15
Finish
26.22 mi15:18:134:02:209:158:47
8:37
-1:23

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

8:37 /mi

Average Pace

9:15 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:50

26% of race

Time at Steady Pace

1:40:45

42% of race

Time at Slower Pace

1:18:45

32% of race

Average Pace: 9:15 /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 mi11:43:0227:098:4427:09
8:44
#19117
10K
6.21 mi12:09:5654:038:4226:54
8:39
#19092
15K
9.32 mi12:37:391:21:468:4627:43
8:55
#19460
20K
12.43 mi13:06:001:50:078:5228:21
9:07
#19639
Half
13.11 mi13:12:071:56:148:526:07
8:58
#19695
25K
15.53 mi13:34:232:18:308:5522:16
9:11
#19701
30K
18.64 mi14:04:592:49:069:0430:36
9:51
#19925
20M
20.00 mi14:18:193:02:269:0713:20
9:49
#19910
21M
21.00 mi14:29:113:13:189:1210:52
10:52
#19961
35K
21.75 mi14:36:033:20:109:126:52
9:11
#19916
23M
23.00 mi14:48:133:32:209:1412:10
9:43
#19861
24M
24.00 mi14:57:393:41:469:149:26
9:26
#19832
40K
24.85 mi15:05:593:50:069:158:20
9:45
#19810
25.2M
25.20 mi15:09:263:53:339:163:27
10:00
#19772
Finish
26.22 mi15:18:134:02:209:158:47
8:37
#19658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19117118231182320140(Top 76%)12369(Top 82%)12369(Top 234%)
10K6.21 mi3.10 mi19092+2511864-4111864-4119174(Top 72%)11969(Top 79%)11969(Top 226%)
15K9.32 mi3.11 mi19460-36812011-14712011-14720140(Top 76%)12369(Top 82%)12369(Top 234%)
20K12.43 mi3.11 mi19639-17912113-10212113-10220251(Top 76%)12417(Top 82%)12417(Top 235%)
Half13.11 mi0.68 mi19695-5612144-3112144-3120280(Top 76%)12425(Top 82%)12425(Top 235%)
25K15.53 mi2.42 mi19701-612145-112145-119758(Top 74%)12174(Top 80%)12174(Top 230%)
30K18.64 mi3.11 mi19925-22412216-7112216-7120594(Top 77%)12464(Top 82%)12464(Top 236%)
20M20.00 mi1.36 mi19910+1512202+1412202+1419886(Top 75%)12074(Top 80%)12074(Top 228%)
21M21.00 mi1.00 mi19961-5112211-912211-920524(Top 77%)12299(Top 81%)12299(Top 233%)
35K21.75 mi0.75 mi19916+4512190+2112190+2118647(Top 70%)11440(Top 75%)11440(Top 216%)
23M23.00 mi1.25 mi19861+5512155+3512155+3519133(Top 72%)11628(Top 77%)11628(Top 220%)
24M24.00 mi1.00 mi19832+2912142+1312142+1318965(Top 71%)11520(Top 76%)11520(Top 218%)
40K24.85 mi0.85 mi19810+2212116+2612116+2619175(Top 72%)11572(Top 76%)11572(Top 219%)
25.2M25.20 mi0.35 mi19772+3812096+2012096+2017382(Top 65%)10735(Top 71%)10735(Top 203%)
Finish26.22 mi1.02 mi19658+11412046+5012046+5016077(Top 60%)10206(Top 67%)10206(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20140

Males

12369

M18-39

12369

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19174

Males

11969

M18-39

11969

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20140

Males

12369

M18-39

12369

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20251

Males

12417

M18-39

12417

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20280

Males

12425

M18-39

12425

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19758

Males

12174

M18-39

12174

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20594

Males

12464

M18-39

12464

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19886

Males

12074

M18-39

12074

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20524

Males

12299

M18-39

12299

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18647

Males

11440

M18-39

11440

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19133

Males

11628

M18-39

11628

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18965

Males

11520

M18-39

11520

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19175

Males

11572

M18-39

11572

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17382

Males

10735

M18-39

10735

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16077

Males

10206

M18-39

10206

Passing Analysis

Category:
Athletes Passed
1364
Passed By
1905
Net Change
-541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19117
5K → 10K359334+25#19117#19092
10K → 15K67435-368#19092#19460
15K → 20K109288-179#19460#19639
20K → Half1571-56#19639#19695
Half → 25K112118-6#19695#19701
25K → 30K95319-224#19701#19925
30K → 20M9075+15#19925#19910
20M → 21M64115-51#19910#19961
21M → 35K6217+45#19961#19916
35K → 23M10247+55#19916#19861
23M → 24M6536+29#19861#19832
24M → 40K6038+22#19832#19810
40K → 25.2M424+38#19810#19772
25.2M → Finish1228+114#19772#19658
TOTALS13641905-541
📊

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