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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Hung Chi Chang

Bib: 33447 β€’M β€’Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
Race Day Weather
51Β°/41Β°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
30:30
3.11 mi
Rank: #25431
Start β†’ 5K
30:30 | 9:50/mi
10K
1:02:15
6.21 mi
Rank: #25936 (-505)
5K β†’ 10K
31:45 | 10:14/mi
15K
1:35:38
9.32 mi
Rank: #26430 (-494)
10K β†’ 15K
33:23 | 10:45/mi
20K
2:07:59
12.43 mi
Rank: #26301 (+129)
15K β†’ 20K
32:21 | 10:25/mi
HALF
2:15:09
13.11 mi
Rank: #26327 (-26)
20K β†’ HALF
7:10 | 10:31/mi
25K
2:39:54
15.53 mi
Rank: #26066 (+261)
HALF β†’ 25K
24:45 | 10:13/mi
30K
3:11:48
18.64 mi
Rank: #25658 (+408)
25K β†’ 30K
31:54 | 10:17/mi
20M
3:26:13
20.00 mi
Rank: #25539 (+119)
30K β†’ 20M
14:25 | 10:37/mi
21M
3:37:23
21.00 mi
Rank: #25414 (+125)
20M β†’ 21M
11:10 | 11:10/mi
35K
3:44:42
21.75 mi
Rank: #25325 (+89)
21M β†’ 35K
7:19 | 9:47/mi
23M
3:57:33
23.00 mi
Rank: #25182 (+143)
35K β†’ 23M
12:51 | 10:17/mi
24M
4:07:12
24.00 mi
Rank: #25051 (+131)
23M β†’ 24M
9:39 | 9:39/mi
40K
4:16:03
24.85 mi
Rank: #24958 (+93)
24M β†’ 40K
8:51 | 10:22/mi
25.2M
4:19:49
25.20 mi
Rank: #24911 (+47)
40K β†’ 25.2M
3:46 | 10:56/mi
FINISH
4:29:57
26.22 mi
Rank: #24880 (+31)
25.2M β†’ FINISH
10:08 | 9:57/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time2:15:09
Pace10:19 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time2:14:48
Pace10:17 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:2030:309:5030:30
9:50
-
10K
6.21 mi12:33:051:02:1510:0231:45
10:14
+0:24
15K
9.32 mi13:06:281:35:3810:1633:23
10:45
+0:31
20K
12.43 mi13:38:492:07:5910:1832:21
10:25
-0:20
HALF
13.11 mi13:45:592:15:0910:197:10
10:31
+0:06
25K
15.53 mi14:10:442:39:5410:1824:45
10:13
-0:18
30K
18.64 mi14:42:383:11:4810:1831:54
10:17
+0:04
20M
20.00 mi14:57:033:26:1310:1914:25
10:37
+0:20
21M
21.00 mi15:08:133:37:2310:2211:10
11:10
+0:33
35K
21.75 mi15:15:323:44:4210:207:19
9:47
-1:23
23M
23.00 mi15:28:233:57:3310:2012:51
10:17
+0:30
24M
24.00 mi15:38:024:07:1210:199:39
9:39
-0:38
40K
24.85 mi15:46:534:16:0310:198:51
10:22
+0:43
25.2M
25.20 mi15:50:394:19:4910:193:46
10:56
+0:34
FINISH
26.22 mi16:00:474:29:5710:1910:08
9:57
-0:59

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:39 /mi

Average Pace

10:18 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:27:13

77% of race

Time at Steady Pace

1:02:44

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi12:01:2030:309:5030:30
9:50
#25431
10K
6.21 mi12:33:051:02:1510:0231:45
10:14
#25936
15K
9.32 mi13:06:281:35:3810:1633:23
10:45
#26430
20K
12.43 mi13:38:492:07:5910:1832:21
10:25
#26301
HALF
13.11 mi13:45:592:15:0910:197:10
10:31
#26327
25K
15.53 mi14:10:442:39:5410:1824:45
10:13
#26066
30K
18.64 mi14:42:383:11:4810:1831:54
10:17
#25658
20M
20.00 mi14:57:033:26:1310:1914:25
10:37
#25539
21M
21.00 mi15:08:133:37:2310:2211:10
11:10
#25414
35K
21.75 mi15:15:323:44:4210:207:19
9:47
#25325
23M
23.00 mi15:28:233:57:3310:2012:51
10:17
#25182
24M
24.00 mi15:38:024:07:1210:199:39
9:39
#25051
40K
24.85 mi15:46:534:16:0310:198:51
10:22
#24958
25.2M
25.20 mi15:50:394:19:4910:193:46
10:56
#24911
FINISH
26.22 mi16:00:474:29:5710:1910:08
9:57
#24880
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi25431149191491927082(Top 93%)15634(Top 96%)15634(Top 5564%)
10K6.21 mi3.10 mi25936-50515152-23315152-23326348(Top 91%)15323(Top 94%)15323(Top 5453%)
15K9.32 mi3.11 mi26430-49415368-21615368-21627082(Top 93%)15634(Top 96%)15634(Top 5564%)
20K12.43 mi3.11 mi26301+12915298+7015298+7025945(Top 89%)15137(Top 93%)15137(Top 5387%)
HALF13.11 mi0.68 mi26327-2615308-1015308-1026675(Top 92%)15401(Top 94%)15401(Top 5481%)
25K15.53 mi2.42 mi26066+26115185+12315185+12324782(Top 85%)14570(Top 89%)14570(Top 5185%)
30K18.64 mi3.11 mi25658+40814984+20114984+20123782(Top 82%)13974(Top 86%)13974(Top 4973%)
20M20.00 mi1.36 mi25539+11914908+7614908+7624100(Top 83%)14045(Top 86%)14045(Top 4998%)
21M21.00 mi1.00 mi25414+12514844+6414844+6423483(Top 81%)13717(Top 84%)13717(Top 4881%)
35K21.75 mi0.75 mi25325+8914793+5114793+5122570(Top 78%)13251(Top 81%)13251(Top 4716%)
23M23.00 mi1.25 mi25182+14314703+9014703+9022832(Top 79%)13318(Top 82%)13318(Top 4740%)
24M24.00 mi1.00 mi25051+13114628+7514628+7521829(Top 75%)12805(Top 78%)12805(Top 4557%)
40K24.85 mi0.85 mi24958+9314579+4914579+4922846(Top 79%)13237(Top 81%)13237(Top 4711%)
25.2M25.20 mi0.35 mi24911+4714548+3114548+3122182(Top 76%)12931(Top 79%)12931(Top 4602%)
FINISH26.22 mi1.02 mi24880+3114518+3014518+3023677(Top 82%)13636(Top 83%)13636(Top 4853%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
Γ—21
+97ft-345ft

Overall

27082

Males

15634

M70-74

15634

5K→10K

3.1 - 6.2 mi

Top 91%
Γ—5
+79ft-138ft

Overall

26348

Males

15323

M70-74

15323

10K→15K

6.2 - 9.3 mi

Top 93%
Γ—3
+67ft-78ft

Overall

27082

Males

15634

M70-74

15634

15K→20K

9.3 - 12.4 mi

Top 89%
Γ—5
+106ft-86ft

Overall

25945

Males

15137

M70-74

15137

20K→HALF

12.4 - 13.1 mi

Top 92%
Γ—2
+19ft-37ft

Overall

26675

Males

15401

M70-74

15401

HALF→25K

13.1 - 15.5 mi

Top 85%
Γ—4
+66ft-88ft

Overall

24782

Males

14570

M70-74

14570

25K→30K

15.5 - 18.6 mi

Top 82%
Γ—9
+181ft-148ft

Overall

23782

Males

13974

M70-74

13974

30K→20M

18.6 - 20.0 mi

Top 83%
Γ—5
+64ft-50ft

Overall

24100

Males

14045

M70-74

14045

20M→21M

20.0 - 21.0 mi

Top 81%
Γ—8
+106ft-24ft

Overall

23483

Males

13717

M70-74

13717

21M→35K

21.0 - 21.8 mi

Top 78%
Γ—7
+17ft-86ft

Overall

22570

Males

13251

M70-74

13251

35K→23M

21.8 - 23.0 mi

Top 79%
Γ—5
+23ft-63ft

Overall

22832

Males

13318

M70-74

13318

23M→24M

23.0 - 24.0 mi

Top 75%
Γ—6
+12ft-82ft

Overall

21829

Males

12805

M70-74

12805

24M→40K

24.0 - 24.9 mi

Top 79%
Γ—1
+6ft-20ft

Overall

22846

Males

13237

M70-74

13237

40K→25.2M

24.9 - 25.2 mi

Top 76%
Γ—1
+13ft-16ft

Overall

22182

Males

12931

M70-74

12931

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
Γ—2
+22ft-21ft

Overall

23677

Males

13636

M70-74

13636

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1811*
Passed By
578
Net Change
+551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25431
5K β†’ 10K57200-505#25431#25936
10K β†’ 15K26200-494#25936#26430
15K β†’ 20K18960+129#26430#26301
20K β†’ HALF1642-26#26301#26327
HALF β†’ 25K267*6+261#26327#26066
25K β†’ 30K411*3+408#26066#25658
30K β†’ 20M13819+119#25658#25539
20M β†’ 21M1338+125#25539#25414
21M β†’ 35K901+89#25414#25325
35K β†’ 23M1529+143#25325#25182
23M β†’ 24M1321+131#25182#25051
24M β†’ 40K1018+93#25051#24958
40K β†’ 25.2M492+47#24958#24911
25.2M β†’ FINISH5019+31#24911#24880
TOTALS1811*578+551

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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