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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tzouliano Chatzikostas

Bib: 31528 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
29:11
3.11 mi
Rank: #24110
Start → 5K
29:11 | 9:24/mi
10K
57:52
6.21 mi
Rank: #23950 (+160)
5K → 10K
28:41 | 9:14/mi
15K
1:26:05
9.32 mi
Rank: #23673 (+277)
10K → 15K
28:13 | 9:05/mi
20K
1:54:34
12.43 mi
Rank: #23425 (+248)
15K → 20K
28:29 | 9:11/mi
HALF
2:00:46
13.11 mi
Rank: #23409 (+16)
20K → HALF
6:12 | 9:06/mi
25K
2:23:09
15.53 mi
Rank: #23154 (+255)
HALF → 25K
22:23 | 9:14/mi
30K
2:53:38
18.64 mi
Rank: #23044 (+110)
25K → 30K
30:29 | 9:49/mi
20M
3:07:11
20.00 mi
Rank: #22981 (+63)
30K → 20M
13:33 | 9:59/mi
21M
3:17:59
21.00 mi
Rank: #22937 (+44)
20M → 21M
10:48 | 10:48/mi
35K
3:25:20
21.75 mi
Rank: #22932 (+5)
21M → 35K
7:21 | 9:50/mi
23M
3:38:04
23.00 mi
Rank: #22906 (+26)
35K → 23M
12:44 | 10:11/mi
24M
3:48:01
24.00 mi
Rank: #22885 (+21)
23M → 24M
9:57 | 9:57/mi
40K
3:56:33
24.85 mi
Rank: #22835 (+50)
24M → 40K
8:32 | 9:59/mi
25.2M
4:00:14
25.20 mi
Rank: #22807 (+28)
40K → 25.2M
3:41 | 10:41/mi
FINISH
4:10:14
26.22 mi
Rank: #22815 (-8)
25.2M → FINISH
10:00 | 9:49/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:46
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:09:28
Pace9:53 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1029:119:2429:11
9:24
-
10K
6.21 mi12:24:5157:529:1928:41
9:14
-0:10
15K
9.32 mi12:53:041:26:059:1528:13
9:05
-0:09
20K
12.43 mi13:21:331:54:349:1428:29
9:11
+0:06
HALF
13.11 mi13:27:452:00:469:136:12
9:06
-0:05
25K
15.53 mi13:50:082:23:099:1322:23
9:14
+0:08
30K
18.64 mi14:20:372:53:389:1930:29
9:49
+0:35
20M
20.00 mi14:34:103:07:119:2213:33
9:59
+0:10
21M
21.00 mi14:44:583:17:599:2610:48
10:48
+0:49
35K
21.75 mi14:52:193:25:209:277:21
9:50
-0:58
23M
23.00 mi15:05:033:38:049:2912:44
10:11
+0:21
24M
24.00 mi15:15:003:48:019:319:57
9:57
-0:14
40K
24.85 mi15:23:323:56:339:328:32
9:59
+0:02
25.2M
25.20 mi15:27:134:00:149:323:41
10:41
+0:42
FINISH
26.22 mi15:37:134:10:149:3410:00
9:49
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:05 /mi

Average Pace

9:33 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:43:01

89% of race

Time at Steady Pace

16:25

7% of race

Time at Slower Pace

10:48

4% of race

Average Pace: 9:33 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:56:1029:119:2429:11
9:24
#24110
10K
6.21 mi12:24:5157:529:1928:41
9:14
#23950
15K
9.32 mi12:53:041:26:059:1528:13
9:05
#23673
20K
12.43 mi13:21:331:54:349:1428:29
9:11
#23425
HALF
13.11 mi13:27:452:00:469:136:12
9:06
#23409
25K
15.53 mi13:50:082:23:099:1322:23
9:14
#23154
30K
18.64 mi14:20:372:53:389:1930:29
9:49
#23044
20M
20.00 mi14:34:103:07:119:2213:33
9:59
#22981
21M
21.00 mi14:44:583:17:599:2610:48
10:48
#22937
35K
21.75 mi14:52:193:25:209:277:21
9:50
#22932
23M
23.00 mi15:05:033:38:049:2912:44
10:11
#22906
24M
24.00 mi15:15:003:48:019:319:57
9:57
#22885
40K
24.85 mi15:23:323:56:339:328:32
9:59
#22835
25.2M
25.20 mi15:27:134:00:149:323:41
10:41
#22807
FINISH
26.22 mi15:37:134:10:149:3410:00
9:49
#22815
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24110142891428923059(Top 79%)13788(Top 84%)13788(Top 738%)
10K6.21 mi3.10 mi23950+16014221+6814221+6823723(Top 82%)14105(Top 86%)14105(Top 755%)
15K9.32 mi3.11 mi23673+27714091+13014091+13023059(Top 79%)13788(Top 84%)13788(Top 738%)
20K12.43 mi3.11 mi23425+24813959+13213959+13222630(Top 78%)13559(Top 83%)13559(Top 726%)
HALF13.11 mi0.68 mi23409+1613948+1113948+1123100(Top 80%)13789(Top 84%)13789(Top 738%)
25K15.53 mi2.42 mi23154+25513815+13313815+13322145(Top 76%)13301(Top 81%)13301(Top 712%)
30K18.64 mi3.11 mi23044+11013721+9413721+9422596(Top 78%)13430(Top 82%)13430(Top 719%)
20M20.00 mi1.36 mi22981+6313677+4413677+4422504(Top 78%)13309(Top 81%)13309(Top 712%)
21M21.00 mi1.00 mi22937+4413636+4113636+4122668(Top 78%)13340(Top 82%)13340(Top 714%)
35K21.75 mi0.75 mi22932+513625+1113625+1122684(Top 78%)13297(Top 81%)13297(Top 712%)
23M23.00 mi1.25 mi22906+2613596+2913596+2922583(Top 78%)13204(Top 81%)13204(Top 707%)
24M24.00 mi1.00 mi22885+2113574+2213574+2222641(Top 78%)13196(Top 81%)13196(Top 706%)
40K24.85 mi0.85 mi22835+5013540+3413540+3421854(Top 75%)12746(Top 78%)12746(Top 682%)
25.2M25.20 mi0.35 mi22807+2813524+1613524+1621583(Top 74%)12641(Top 77%)12641(Top 677%)
FINISH26.22 mi1.02 mi22815-813518+613518+623322(Top 80%)13466(Top 82%)13466(Top 721%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

23059

Males

13788

M50-54

13788

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23723

Males

14105

M50-54

14105

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

23059

Males

13788

M50-54

13788

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22630

Males

13559

M50-54

13559

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23100

Males

13789

M50-54

13789

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22145

Males

13301

M50-54

13301

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22596

Males

13430

M50-54

13430

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22504

Males

13309

M50-54

13309

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22668

Males

13340

M50-54

13340

21M→35K

21.0 - 21.8 mi

Top 78%
×7
+17ft-86ft

Overall

22684

Males

13297

M50-54

13297

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22583

Males

13204

M50-54

13204

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22641

Males

13196

M50-54

13196

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21854

Males

12746

M50-54

12746

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21583

Males

12641

M50-54

12641

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23322

Males

13466

M50-54

13466

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1945*
Passed By
650
Net Change
+1295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24110
5K → 10K304*144+160#24110#23950
10K → 15K318*41+277#23950#23673
15K → 20K300*52+248#23673#23425
20K → HALF2913+16#23425#23409
HALF → 25K272*17+255#23409#23154
25K → 30K18979+110#23154#23044
30K → 20M11047+63#23044#22981
20M → 21M10460+44#22981#22937
21M → 35K4136+5#22937#22932
35K → 23M7549+26#22932#22906
23M → 24M5938+21#22906#22885
24M → 40K7424+50#22885#22835
40K → 25.2M346+28#22835#22807
25.2M → FINISH3644-8#22807#22815
TOTALS1945*650+1295

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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