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BOSTON MARATHON 2023

Jozef Šeliga

Bib: 11108•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:05/mi
22:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:07:26
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:31:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:54:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:19:47
↑ 181↓ 1480.2%
20M
8:56/mi
2:31:55
↑ 64↓ 500.2%
21M
10:10/mi
2:42:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
2:48:58
↑ 17↓ 861.7%
23M
9:30/mi
3:00:52
↑ 23↓ 630.6%
24M
9:38/mi
3:10:30
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:18:07
↓ 200.3%
25.2M
10:00/mi
3:21:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:29:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0322:017:0522:01
7:05
-
10K
6.21 mi11:34:2944:277:0922:26
7:13
+0:08
15K
9.32 mi11:57:281:07:267:1422:59
7:24
+0:11
20K
12.43 mi12:21:311:31:297:2224:03
7:44
+0:20
Half
13.11 mi12:26:311:36:297:225:00
7:20
-0:24
25K
15.53 mi12:45:011:54:597:2418:30
7:38
+0:18
30K
18.64 mi13:09:492:19:477:3024:48
7:59
+0:21
20M
20.00 mi13:21:572:31:557:3612:08
8:56
+0:57
21M
21.00 mi13:32:072:42:057:4310:10
10:10
+1:14
35K
21.75 mi13:39:002:48:587:466:53
9:12
-0:58
23M
23.00 mi13:50:543:00:527:5211:54
9:30
+0:18
24M
24.00 mi14:00:323:10:307:569:38
9:38
+0:08
40K
24.85 mi14:08:093:18:077:587:37
8:54
-0:44
25.2M
25.20 mi14:11:363:21:348:003:27
10:00
+1:06
Finish
26.22 mi14:19:483:29:468:008:12
8:03
-1:57

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

7:05 /mi

Average Pace

8:00 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:26

35% of race

Time at Steady Pace

1:15:33

36% of race

Time at Slower Pace

1:01:47

29% of race

Average Pace: 8:00 /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 mi11:12:0322:017:0522:01
7:05
#6799
10K
6.21 mi11:34:2944:277:0922:26
7:13
#7447
15K
9.32 mi11:57:281:07:267:1422:59
7:24
#8012
20K
12.43 mi12:21:311:31:297:2224:03
7:44
#8714
Half
13.11 mi12:26:311:36:297:225:00
7:20
#8703
25K
15.53 mi12:45:011:54:597:2418:30
7:38
#8848
30K
18.64 mi13:09:492:19:477:3024:48
7:59
#9152
20M
20.00 mi13:21:572:31:557:3612:08
8:56
#9707
21M
21.00 mi13:32:072:42:057:4310:10
10:10
#10375
35K
21.75 mi13:39:002:48:587:466:53
9:12
#10736
23M
23.00 mi13:50:543:00:527:5211:54
9:30
#11332
24M
24.00 mi14:00:323:10:307:569:38
9:38
#11892
40K
24.85 mi14:08:093:18:077:587:37
8:54
#12059
25.2M
25.20 mi14:11:363:21:348:003:27
10:00
#12156
Finish
26.22 mi14:19:483:29:468:008:12
8:03
#12183
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6799612361239321(Top 35%)7757(Top 51%)7757(Top 378%)
10K6.21 mi3.10 mi7447-6486598-4756598-4758258(Top 31%)7126(Top 47%)7126(Top 347%)
15K9.32 mi3.11 mi8012-5656962-3646962-3649321(Top 35%)7757(Top 51%)7757(Top 378%)
20K12.43 mi3.11 mi8714-7027383-4217383-42111232(Top 42%)8688(Top 57%)8688(Top 423%)
Half13.11 mi0.68 mi8703+117373+107373+108836(Top 33%)7427(Top 49%)7427(Top 362%)
25K15.53 mi2.42 mi8848-1457448-757448-759779(Top 37%)7866(Top 52%)7866(Top 383%)
30K18.64 mi3.11 mi9152-3047596-1487596-14810749(Top 40%)8222(Top 54%)8222(Top 401%)
20M20.00 mi1.36 mi9707-5557899-3037899-30316140(Top 61%)10463(Top 69%)10463(Top 510%)
21M21.00 mi1.00 mi10375-6688226-3278226-32718580(Top 70%)11454(Top 75%)11454(Top 558%)
35K21.75 mi0.75 mi10736-3618376-1508376-15018702(Top 70%)11453(Top 75%)11453(Top 558%)
23M23.00 mi1.25 mi11332-5968641-2658641-26518335(Top 69%)11275(Top 74%)11275(Top 549%)
24M24.00 mi1.00 mi11892-5608866-2258866-22519664(Top 74%)11844(Top 78%)11844(Top 577%)
40K24.85 mi0.85 mi12059-1678908-428908-4215633(Top 59%)9959(Top 66%)9959(Top 485%)
25.2M25.20 mi0.35 mi12156-978949-418949-4117321(Top 65%)10674(Top 70%)10674(Top 520%)
Finish26.22 mi1.02 mi12183-278940+98940+912419(Top 47%)8487(Top 56%)8487(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9321

Males

7757

M50-54

7757

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8258

Males

7126

M50-54

7126

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9321

Males

7757

M50-54

7757

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11232

Males

8688

M50-54

8688

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8836

Males

7427

M50-54

7427

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9779

Males

7866

M50-54

7866

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10749

Males

8222

M50-54

8222

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16140

Males

10463

M50-54

10463

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18580

Males

11454

M50-54

11454

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18702

Males

11453

M50-54

11453

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18335

Males

11275

M50-54

11275

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19664

Males

11844

M50-54

11844

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15633

Males

9959

M50-54

9959

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17321

Males

10674

M50-54

10674

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12419

Males

8487

M50-54

8487

Passing Analysis

Category:
Athletes Passed
418
Passed By
5800
Net Change
-5384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6799
5K → 10K38686-648#6799#7447
10K → 15K19584-565#7447#8012
15K → 20K24726-702#8012#8714
20K → Half2918+11#8714#8703
Half → 25K55200-145#8703#8848
25K → 30K94398-304#8848#9152
30K → 20M13568-555#9152#9707
20M → 21M8674-668#9707#10375
21M → 35K10371-361#10375#10736
35K → 23M14610-596#10736#11332
23M → 24M5565-560#11332#11892
24M → 40K25192-167#11892#12059
40K → 25.2M9106-97#12059#12156
25.2M → Finish75102-27#12156#12183
TOTALS4185800-5384
📊

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