Boston Marathon logo
BOSTON MARATHON 2023

Zlatko Zlatic

Bib: 27971•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:23
Rank: #25783
Start → 5K
34:23 | 11:04/mi
10K· 6.21 mi
1:07:09
Rank: #25284 (+499)
5K → 10K
32:46 | 10:33/mi
15K· 9.32 mi
1:41:09
Rank: #25220 (+64)
10K → 15K
34:00 | 10:57/mi
20K· 12.43 mi
2:15:03
Rank: #25021 (+199)
15K → 20K
33:54 | 10:55/mi
Half· 13.11 mi
2:22:39
Rank: #25027 (-6)
20K → Half
7:36 | 11:08/mi
25K· 15.53 mi
2:49:22
Rank: #24861 (+166)
Half → 25K
26:43 | 11:01/mi
30K· 18.64 mi
3:25:24
Rank: #24708 (+153)
25K → 30K
36:02 | 11:36/mi
20M
3:41:02
Rank: #24608 (+100)
30K → 20M
15:38 | 11:30/mi
21M
3:54:09
Rank: #24617 (-9)
20M → 21M
13:07 | 13:07/mi
35K· 21.75 mi
4:02:30
Rank: #24575 (+42)
21M → 35K
8:21 | 11:10/mi
23M
4:17:36
Rank: #24553 (+22)
35K → 23M
15:06 | 12:04/mi
24M
4:29:33
Rank: #24550 (+3)
23M → 24M
11:57 | 11:57/mi
40K· 24.85 mi
4:40:25
Rank: #24581 (-31)
24M → 40K
10:52 | 12:43/mi
25.2M
4:45:06
Rank: #24588 (-7)
40K → 25.2M
4:41 | 13:35/mi
Finish· 26.22 mi
4:57:31
Rank: #24664 (-76)
25.2M → Finish
12:25 | 12:11/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:39
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:34:52
Pace11:49 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5134:2311:0434:23
11:04
-
10K
6.21 mi12:24:371:07:0910:4832:46
10:33
-0:31
15K
9.32 mi12:58:371:41:0910:5134:00
10:57
+0:24
20K
12.43 mi13:32:312:15:0310:5233:54
10:55
-0:02
Half
13.11 mi13:40:072:22:3910:537:36
11:08
+0:13
25K
15.53 mi14:06:502:49:2210:5426:43
11:01
-0:07
30K
18.64 mi14:42:523:25:2411:0136:02
11:36
+0:35
20M
20.00 mi14:58:303:41:0211:0315:38
11:30
-0:06
21M
21.00 mi15:11:373:54:0911:0913:07
13:07
+1:37
35K
21.75 mi15:19:584:02:3011:098:21
11:10
-1:57
23M
23.00 mi15:35:044:17:3611:1215:06
12:04
+0:54
24M
24.00 mi15:47:014:29:3311:1411:57
11:57
-0:07
40K
24.85 mi15:57:534:40:2511:1710:52
12:43
+0:46
25.2M
25.20 mi16:02:344:45:0611:194:41
13:35
+0:52
Finish
26.22 mi16:14:594:57:3111:2112:25
12:11
-1:24

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

10:33 /mi

Average Pace

11:21 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:46

54% of race

Time at Steady Pace

1:07:37

23% of race

Time at Slower Pace

1:08:08

23% of race

Average Pace: 11:21 /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 mi11:51:5134:2311:0434:23
11:04
#25783
10K
6.21 mi12:24:371:07:0910:4832:46
10:33
#25284
15K
9.32 mi12:58:371:41:0910:5134:00
10:57
#25220
20K
12.43 mi13:32:312:15:0310:5233:54
10:55
#25021
Half
13.11 mi13:40:072:22:3910:537:36
11:08
#25027
25K
15.53 mi14:06:502:49:2210:5426:43
11:01
#24861
30K
18.64 mi14:42:523:25:2411:0136:02
11:36
#24708
20M
20.00 mi14:58:303:41:0211:0315:38
11:30
#24608
21M
21.00 mi15:11:373:54:0911:0913:07
13:07
#24617
35K
21.75 mi15:19:584:02:3011:098:21
11:10
#24575
23M
23.00 mi15:35:044:17:3611:1215:06
12:04
#24553
24M
24.00 mi15:47:014:29:3311:1411:57
11:57
#24550
40K
24.85 mi15:57:534:40:2511:1710:52
12:43
#24581
25.2M
25.20 mi16:02:344:45:0611:194:41
13:35
#24588
Finish
26.22 mi16:14:594:57:3111:2112:25
12:11
#24664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25783148501485025119(Top 94%)14570(Top 96%)14570(Top 1025%)
10K6.21 mi3.10 mi25284+49914674+17614674+17624760(Top 93%)14430(Top 95%)14430(Top 1015%)
15K9.32 mi3.11 mi25220+6414633+4114633+4125119(Top 94%)14570(Top 96%)14570(Top 1025%)
20K12.43 mi3.11 mi25021+19914532+10114532+10124499(Top 92%)14277(Top 94%)14277(Top 1004%)
Half13.11 mi0.68 mi25027-614537-514537-525119(Top 94%)14536(Top 96%)14536(Top 1022%)
25K15.53 mi2.42 mi24861+16614448+8914448+8924012(Top 90%)14032(Top 92%)14032(Top 987%)
30K18.64 mi3.11 mi24708+15314368+8014368+8024000(Top 90%)13960(Top 92%)13960(Top 982%)
20M20.00 mi1.36 mi24608+10014313+5514313+5523521(Top 88%)13701(Top 90%)13701(Top 964%)
21M21.00 mi1.00 mi24617-914315-214315-224216(Top 91%)13987(Top 92%)13987(Top 984%)
35K21.75 mi0.75 mi24575+4214290+2514290+2523582(Top 89%)13638(Top 90%)13638(Top 959%)
23M23.00 mi1.25 mi24553+2214272+1814272+1824089(Top 90%)13888(Top 92%)13888(Top 977%)
24M24.00 mi1.00 mi24550+314256+1614256+1624451(Top 92%)14024(Top 92%)14024(Top 986%)
40K24.85 mi0.85 mi24581-3114260-414260-424681(Top 93%)14147(Top 93%)14147(Top 995%)
25.2M25.20 mi0.35 mi24588-714257+314257+324599(Top 92%)14092(Top 93%)14092(Top 991%)
Finish26.22 mi1.02 mi24664-7614296-3914296-3925407(Top 95%)14511(Top 96%)14511(Top 1020%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25119

Males

14570

M55-59

14570

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24760

Males

14430

M55-59

14430

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25119

Males

14570

M55-59

14570

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24499

Males

14277

M55-59

14277

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25119

Males

14536

M55-59

14536

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24012

Males

14032

M55-59

14032

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

24000

Males

13960

M55-59

13960

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23521

Males

13701

M55-59

13701

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24216

Males

13987

M55-59

13987

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23582

Males

13638

M55-59

13638

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24089

Males

13888

M55-59

13888

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24451

Males

14024

M55-59

14024

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24681

Males

14147

M55-59

14147

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24599

Males

14092

M55-59

14092

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

25407

Males

14511

M55-59

14511

Passing Analysis

Category:
Athletes Passed
1541
Passed By
422
Net Change
+1119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25783
5K → 10K5067+499#25783#25284
10K → 15K13773+64#25284#25220
15K → 20K21819+199#25220#25021
20K → Half2127-6#25021#25027
Half → 25K1748+166#25027#24861
25K → 30K18027+153#24861#24708
30K → 20M1099+100#24708#24608
20M → 21M3342-9#24608#24617
21M → 35K475+42#24617#24575
35K → 23M5634+22#24575#24553
23M → 24M3229+3#24553#24550
24M → 40K1243-31#24550#24581
40K → 25.2M916-7#24581#24588
25.2M → Finish783-76#24588#24664
TOTALS1541422+1119
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing