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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Steven Chang

Bib: 10385 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
21:03
3.11 mi
Rank: #6644
Start → 5K
21:03 | 6:47/mi
10K
42:12
6.21 mi
Rank: #6805 (-161)
5K → 10K
21:09 | 6:49/mi
15K
1:03:42
9.32 mi
Rank: #7198 (-393)
10K → 15K
21:30 | 6:56/mi
20K
1:25:34
12.43 mi
Rank: #7475 (-277)
15K → 20K
21:52 | 7:03/mi
HALF
1:30:18
13.11 mi
Rank: #7512 (-37)
20K → HALF
4:44 | 6:57/mi
25K
1:47:31
15.53 mi
Rank: #7564 (-52)
HALF → 25K
17:13 | 7:06/mi
30K
2:10:18
18.64 mi
Rank: #7635 (-71)
25K → 30K
22:47 | 7:20/mi
20M
2:20:47
20.00 mi
Rank: #7799 (-164)
30K → 20M
10:29 | 7:44/mi
21M
2:29:05
21.00 mi
Rank: #7948 (-149)
20M → 21M
8:18 | 8:18/mi
35K
2:37:58
21.75 mi
Rank: #9203 (-1255)
21M → 35K
8:53 | 11:53/mi
23M
2:51:29
23.00 mi
Rank: #10690 (-1487)
35K → 23M
13:31 | 10:49/mi
24M
3:02:31
24.00 mi
Rank: #11877 (-1187)
23M → 24M
11:02 | 11:02/mi
40K
3:12:56
24.85 mi
Rank: #13040 (-1163)
24M → 40K
10:25 | 12:11/mi
25.2M
3:17:17
25.20 mi
Rank: #13459 (-419)
40K → 25.2M
4:21 | 12:37/mi
FINISH
3:26:31
26.22 mi
Rank: #13861 (-402)
25.2M → FINISH
9:14 | 9:04/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
Time1:30:18
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:56:13
Pace8:52 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:1421:036:4721:03
6:47
-
10K
6.21 mi10:59:2342:126:4821:09
6:49
+0:02
15K
9.32 mi11:20:531:03:426:5121:30
6:56
+0:07
20K
12.43 mi11:42:451:25:346:5421:52
7:03
+0:07
HALF
13.11 mi11:47:291:30:186:544:44
6:57
-0:06
25K
15.53 mi12:04:421:47:316:5617:13
7:06
+0:09
30K
18.64 mi12:27:292:10:187:0022:47
7:20
+0:14
20M
20.00 mi12:37:582:20:477:0310:29
7:44
+0:24
21M
21.00 mi12:46:162:29:057:068:18
8:18
+0:34
35K
21.75 mi12:55:092:37:587:168:53
11:53
+3:35
23M
23.00 mi13:08:402:51:297:2813:31
10:49
-1:04
24M
24.00 mi13:19:423:02:317:3711:02
11:02
+0:13
40K
24.85 mi13:30:073:12:567:4610:25
12:11
+1:09
25.2M
25.20 mi13:34:283:17:177:504:21
12:37
+0:26
FINISH
26.22 mi13:43:423:26:317:539:14
9:04
-3:33

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

6:47 /mi

Average Pace

7:53 /mi

Slowest Pace

12:37 /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

0:00

0% of race

Time at Steady Pace

2:29:05

72% of race

Time at Slower Pace

57:26

28% of race

Average Pace: 7:53 /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 mi10:38:1421:036:4721:03
6:47
#6644
10K
6.21 mi10:59:2342:126:4821:09
6:49
#6805
15K
9.32 mi11:20:531:03:426:5121:30
6:56
#7198
20K
12.43 mi11:42:451:25:346:5421:52
7:03
#7475
HALF
13.11 mi11:47:291:30:186:544:44
6:57
#7512
25K
15.53 mi12:04:421:47:316:5617:13
7:06
#7564
30K
18.64 mi12:27:292:10:187:0022:47
7:20
#7635
20M
20.00 mi12:37:582:20:477:0310:29
7:44
#7799
21M
21.00 mi12:46:162:29:057:068:18
8:18
#7948
35K
21.75 mi12:55:092:37:587:168:53
11:53
#9203
23M
23.00 mi13:08:402:51:297:2813:31
10:49
#10690
24M
24.00 mi13:19:423:02:317:3711:02
11:02
#11877
40K
24.85 mi13:30:073:12:567:4610:25
12:11
#13040
25.2M
25.20 mi13:34:283:17:177:504:21
12:37
#13459
FINISH
26.22 mi13:43:423:26:317:539:14
9:04
#13861
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6644596359637976(Top 27%)6855(Top 42%)6855(Top 284%)
10K6.21 mi3.10 mi6805-1616077-1146077-1147068(Top 24%)6241(Top 38%)6241(Top 259%)
15K9.32 mi3.11 mi7198-3936344-2676344-2677976(Top 27%)6855(Top 42%)6855(Top 284%)
20K12.43 mi3.11 mi7475-2776520-1766520-1768139(Top 28%)6924(Top 42%)6924(Top 287%)
HALF13.11 mi0.68 mi7512-376547-276547-278272(Top 29%)7049(Top 43%)7049(Top 292%)
25K15.53 mi2.42 mi7564-526571-246571-248131(Top 28%)6832(Top 42%)6832(Top 283%)
30K18.64 mi3.11 mi7635-716594-236594-238355(Top 29%)6808(Top 42%)6808(Top 282%)
20M20.00 mi1.36 mi7799-1646685-916685-9110726(Top 37%)7957(Top 49%)7957(Top 330%)
21M21.00 mi1.00 mi7948-1496751-666751-6611838(Top 41%)8369(Top 51%)8369(Top 347%)
35K21.75 mi0.75 mi9203-12557453-7027453-70226582(Top 92%)15139(Top 93%)15139(Top 627%)
23M23.00 mi1.25 mi10690-14878167-7148167-71424056(Top 83%)13875(Top 85%)13875(Top 575%)
24M24.00 mi1.00 mi11877-11878705-5388705-53825154(Top 87%)14386(Top 88%)14386(Top 596%)
40K24.85 mi0.85 mi13040-11639202-4979202-49726135(Top 90%)14820(Top 91%)14820(Top 614%)
25.2M25.20 mi0.35 mi13459-4199360-1589360-15825495(Top 88%)14523(Top 89%)14523(Top 602%)
FINISH26.22 mi1.02 mi13861-4029510-1509510-15020754(Top 72%)12227(Top 75%)12227(Top 507%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7976

Males

6855

M45-49

6855

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

7068

Males

6241

M45-49

6241

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7976

Males

6855

M45-49

6855

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8139

Males

6924

M45-49

6924

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8272

Males

7049

M45-49

7049

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8131

Males

6832

M45-49

6832

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8355

Males

6808

M45-49

6808

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10726

Males

7957

M45-49

7957

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11838

Males

8369

M45-49

8369

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26582

Males

15139

M45-49

15139

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24056

Males

13875

M45-49

13875

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25154

Males

14386

M45-49

14386

24M→40K

24.0 - 24.9 mi

Top 90%
×1
+6ft-20ft

Overall

26135

Males

14820

M45-49

14820

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1
+13ft-16ft

Overall

25495

Males

14523

M45-49

14523

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20754

Males

12227

M45-49

12227

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
580
Passed By
2572
Net Change
-7217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6644
5K → 10K137200-161#6644#6805
10K → 15K42200-393#6805#7198
15K → 20K74200-277#7198#7475
20K → HALF1855-37#7475#7512
HALF → 25K100152-52#7512#7564
25K → 30K115186-71#7564#7635
30K → 20M38200-164#7635#7799
20M → 21M30179-149#7799#7948
21M → 35K3200-1255#7948#9203
35K → 23M6200-1487#9203#10690
23M → 24M4200-1187#10690#11877
24M → 40K2200-1163#11877#13040
40K → 25.2M1200-419#13040#13459
25.2M → FINISH10200-402#13459#13861
TOTALS5802572-7217
📊

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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