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BOSTON MARATHON 2023

Brian Baleva

Bib: 4950•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5586
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:46
Rank: #5677 (-91)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:03:56
Rank: #5552 (+125)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:25:13
Rank: #5396 (+156)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:56
Rank: #5429 (-33)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:47:04
Rank: #5529 (-100)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:09:16
Rank: #5443 (+86)
25K → 30K
22:12 | 7:09/mi
20M
2:19:02
Rank: #5365 (+78)
30K → 20M
9:46 | 7:11/mi
21M
2:26:30
Rank: #5257 (+108)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:31:36
Rank: #5189 (+68)
21M → 35K
5:06 | 6:49/mi
23M
2:40:29
Rank: #5094 (+95)
35K → 23M
8:53 | 7:06/mi
24M
2:47:21
Rank: #5001 (+93)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:53:25
Rank: #4941 (+60)
24M → 40K
6:04 | 7:06/mi
25.2M
2:56:00
Rank: #4906 (+35)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:02:35
Rank: #4735 (+171)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:56
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:32:39
Pace7:04 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2221:276:5421:27
6:54
-
10K
6.21 mi10:44:4142:466:5321:19
6:52
-0:02
15K
9.32 mi11:05:511:03:566:5221:10
6:49
-0:03
20K
12.43 mi11:27:081:25:136:5121:17
6:51
+0:02
Half
13.11 mi11:31:511:29:566:524:43
6:55
+0:04
25K
15.53 mi11:48:591:47:046:5417:08
7:04
+0:09
30K
18.64 mi12:11:112:09:166:5622:12
7:09
+0:05
20M
20.00 mi12:20:572:19:026:579:46
7:11
+0:02
21M
21.00 mi12:28:252:26:306:597:28
7:28
+0:17
35K
21.75 mi12:33:312:31:366:585:06
6:49
-0:39
23M
23.00 mi12:42:242:40:296:598:53
7:06
+0:17
24M
24.00 mi12:49:162:47:216:586:52
6:52
-0:14
40K
24.85 mi12:55:202:53:256:596:04
7:06
+0:14
25.2M
25.20 mi12:57:552:56:006:592:35
7:29
+0:23
Finish
26.22 mi13:04:303:02:356:586:35
6:28
-1:01

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

6:28 /mi

Average Pace

6:58 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:34

77% of race

Time at Steady Pace

42:01

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:23:2221:276:5421:27
6:54
#5586
10K
6.21 mi10:44:4142:466:5321:19
6:52
#5677
15K
9.32 mi11:05:511:03:566:5221:10
6:49
#5552
20K
12.43 mi11:27:081:25:136:5121:17
6:51
#5396
Half
13.11 mi11:31:511:29:566:524:43
6:55
#5429
25K
15.53 mi11:48:591:47:046:5417:08
7:04
#5529
30K
18.64 mi12:11:112:09:166:5622:12
7:09
#5443
20M
20.00 mi12:20:572:19:026:579:46
7:11
#5365
21M
21.00 mi12:28:252:26:306:597:28
7:28
#5257
35K
21.75 mi12:33:312:31:366:585:06
6:49
#5189
23M
23.00 mi12:42:242:40:296:598:53
7:06
#5094
24M
24.00 mi12:49:162:47:216:586:52
6:52
#5001
40K
24.85 mi12:55:202:53:256:596:04
7:06
#4941
25.2M
25.20 mi12:57:552:56:006:592:35
7:29
#4906
Finish
26.22 mi13:04:303:02:356:586:35
6:28
#4735
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5586514551455244(Top 20%)4848(Top 32%)4848(Top 92%)
10K6.21 mi3.10 mi5677-915220-755220-755826(Top 22%)5319(Top 35%)5319(Top 101%)
15K9.32 mi3.11 mi5552+1255115+1055115+1055244(Top 20%)4848(Top 32%)4848(Top 92%)
20K12.43 mi3.11 mi5396+1564988+1274988+1274916(Top 18%)4565(Top 30%)4565(Top 86%)
Half13.11 mi0.68 mi5429-335018-305018-306016(Top 23%)5486(Top 36%)5486(Top 104%)
25K15.53 mi2.42 mi5529-1005099-815099-815914(Top 22%)5379(Top 35%)5379(Top 102%)
30K18.64 mi3.11 mi5443+865021+785021+785169(Top 19%)4734(Top 31%)4734(Top 90%)
20M20.00 mi1.36 mi5365+784947+744947+745033(Top 19%)4566(Top 30%)4566(Top 86%)
21M21.00 mi1.00 mi5257+1084846+1014846+1014421(Top 17%)4035(Top 27%)4035(Top 76%)
35K21.75 mi0.75 mi5189+684782+644782+644309(Top 16%)3944(Top 26%)3944(Top 75%)
23M23.00 mi1.25 mi5094+954685+974685+974285(Top 16%)3912(Top 26%)3912(Top 74%)
24M24.00 mi1.00 mi5001+934603+824603+824026(Top 15%)3674(Top 24%)3674(Top 70%)
40K24.85 mi0.85 mi4941+604552+514552+514341(Top 16%)3857(Top 25%)3857(Top 73%)
25.2M25.20 mi0.35 mi4906+354519+334519+333869(Top 15%)3459(Top 23%)3459(Top 65%)
Finish26.22 mi1.02 mi4735+1714372+1474372+1472321(Top 9%)2149(Top 14%)2149(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5244

Males

4848

M18-39

4848

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5826

Males

5319

M18-39

5319

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5244

Males

4848

M18-39

4848

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4916

Males

4565

M18-39

4565

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6016

Males

5486

M18-39

5486

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5914

Males

5379

M18-39

5379

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5169

Males

4734

M18-39

4734

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5033

Males

4566

M18-39

4566

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4421

Males

4035

M18-39

4035

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4309

Males

3944

M18-39

3944

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4285

Males

3912

M18-39

3912

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4026

Males

3674

M18-39

3674

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4341

Males

3857

M18-39

3857

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3869

Males

3459

M18-39

3459

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2321

Males

2149

M18-39

2149

Passing Analysis

Category:
Athletes Passed
1563
Passed By
712
Net Change
+851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5586
5K → 10K156247-91#5586#5677
10K → 15K19368+125#5677#5552
15K → 20K17822+156#5552#5396
20K → Half1043-33#5396#5429
Half → 25K61161-100#5429#5529
25K → 30K17084+86#5529#5443
30K → 20M9719+78#5443#5365
20M → 21M12214+108#5365#5257
21M → 35K746+68#5257#5189
35K → 23M11621+95#5189#5094
23M → 24M1007+93#5094#5001
24M → 40K7212+60#5001#4941
40K → 25.2M394+35#4941#4906
25.2M → Finish1754+171#4906#4735
TOTALS1563712+851
📊

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