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BOSTON MARATHON 2023

Stjepko Jancijev

Bib: 10924•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M50-54)
#0 / 2052
Top 47%
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
7:33/mi
23:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
46:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:15
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:34:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:58:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:23:46
↑ 181↓ 1480.2%
20M
8:16/mi
2:35:00
↑ 64↓ 500.2%
21M
8:39/mi
2:43:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:49:45
↑ 17↓ 861.7%
23M
8:14/mi
3:00:03
↑ 23↓ 630.6%
24M
8:08/mi
3:08:11
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:15:07
↓ 200.3%
25.2M
8:25/mi
3:18:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:25:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:45
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3623:277:3323:27
7:33
-
10K
6.21 mi11:12:4946:407:3123:13
7:28
-0:05
15K
9.32 mi11:36:241:10:157:3223:35
7:35
+0:07
20K
12.43 mi12:00:441:34:357:3724:20
7:50
+0:15
Half
13.11 mi12:05:541:39:457:375:10
7:34
-0:16
25K
15.53 mi12:24:471:58:387:3818:53
7:47
+0:13
30K
18.64 mi12:49:552:23:467:4325:08
8:05
+0:18
20M
20.00 mi13:01:092:35:007:4511:14
8:16
+0:11
21M
21.00 mi13:09:482:43:397:488:39
8:39
+0:23
35K
21.75 mi13:15:542:49:457:486:06
8:09
-0:30
23M
23.00 mi13:26:123:00:037:5010:18
8:14
+0:05
24M
24.00 mi13:34:203:08:117:508:08
8:08
-0:06
40K
24.85 mi13:41:163:15:077:516:56
8:07
-0:01
25.2M
25.20 mi13:44:103:18:017:512:54
8:25
+0:18
Finish
26.22 mi13:52:023:25:537:517:52
7:43
-0:42

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

7:28 /mi

Average Pace

7:51 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:48

84% of race

Time at Steady Pace

33:05

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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 mi10:49:3623:277:3323:27
7:33
#10052
10K
6.21 mi11:12:4946:407:3123:13
7:28
#10127
15K
9.32 mi11:36:241:10:157:3223:35
7:35
#10393
20K
12.43 mi12:00:441:34:357:3724:20
7:50
#10794
Half
13.11 mi12:05:541:39:457:375:10
7:34
#10800
25K
15.53 mi12:24:471:58:387:3818:53
7:47
#10796
30K
18.64 mi12:49:552:23:467:4325:08
8:05
#10869
20M
20.00 mi13:01:092:35:007:4511:14
8:16
#10923
21M
21.00 mi13:09:482:43:397:488:39
8:39
#10948
35K
21.75 mi13:15:542:49:457:486:06
8:09
#11024
23M
23.00 mi13:26:123:00:037:5010:18
8:14
#11018
24M
24.00 mi13:34:203:08:117:508:08
8:08
#11073
40K
24.85 mi13:41:163:15:077:516:56
8:07
#11041
25.2M
25.20 mi13:44:103:18:017:512:54
8:25
#10989
Finish
26.22 mi13:52:023:25:537:517:52
7:43
#10937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi100528156815610926(Top 41%)8615(Top 57%)8615(Top 420%)
10K6.21 mi3.10 mi10127-758221-658221-6510232(Top 38%)8294(Top 55%)8294(Top 404%)
15K9.32 mi3.11 mi10393-2668369-1488369-14810926(Top 41%)8615(Top 57%)8615(Top 420%)
20K12.43 mi3.11 mi10794-4018534-1658534-16511990(Top 45%)9003(Top 59%)9003(Top 439%)
Half13.11 mi0.68 mi10800-68543-98543-910774(Top 40%)8500(Top 56%)8500(Top 414%)
25K15.53 mi2.42 mi10796+48532+118532+1110987(Top 41%)8493(Top 56%)8493(Top 414%)
30K18.64 mi3.11 mi10869-738520+128520+1211563(Top 43%)8612(Top 57%)8612(Top 420%)
20M20.00 mi1.36 mi10923-548515+58515+512111(Top 45%)8748(Top 58%)8748(Top 426%)
21M21.00 mi1.00 mi10948-258496+198496+1911335(Top 43%)8268(Top 54%)8268(Top 403%)
35K21.75 mi0.75 mi11024-768525-298525-2913099(Top 49%)9014(Top 59%)9014(Top 439%)
23M23.00 mi1.25 mi11018+68498+278498+2711349(Top 43%)8150(Top 54%)8150(Top 397%)
24M24.00 mi1.00 mi11073-558495+38495+312122(Top 46%)8448(Top 56%)8448(Top 412%)
40K24.85 mi0.85 mi11041+328449+468449+4610745(Top 40%)7721(Top 51%)7721(Top 376%)
25.2M25.20 mi0.35 mi10989+528413+368413+368951(Top 34%)6724(Top 44%)6724(Top 328%)
Finish26.22 mi1.02 mi10937+528359+548359+5410083(Top 38%)7337(Top 48%)7337(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10926

Males

8615

M50-54

8615

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10232

Males

8294

M50-54

8294

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10926

Males

8615

M50-54

8615

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11990

Males

9003

M50-54

9003

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10774

Males

8500

M50-54

8500

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10987

Males

8493

M50-54

8493

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11563

Males

8612

M50-54

8612

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12111

Males

8748

M50-54

8748

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11335

Males

8268

M50-54

8268

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13099

Males

9014

M50-54

9014

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11349

Males

8150

M50-54

8150

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12122

Males

8448

M50-54

8448

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10745

Males

7721

M50-54

7721

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8951

Males

6724

M50-54

6724

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10083

Males

7337

M50-54

7337

Passing Analysis

Category:
Athletes Passed
1280*
Passed By
2165
Net Change
-885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10052
5K → 10K277352-75#10052#10127
10K → 15K92358-266#10127#10393
15K → 20K49450-401#10393#10794
20K → Half2531-6#10794#10800
Half → 25K133129+4#10800#10796
25K → 30K165238-73#10796#10869
30K → 20M66*120-54#10869#10923
20M → 21M6691-25#10923#10948
21M → 35K28104-76#10948#11024
35K → 23M9488+6#11024#11018
23M → 24M52107-55#11018#11073
24M → 40K8250+32#11073#11041
40K → 25.2M586+52#11041#10989
25.2M → Finish9341+52#10989#10937
TOTALS1280*2165-885

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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