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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Da Chen

Bib: 4281 β€’M β€’Age: N/A

WA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 35%
Age Group (M18-39)
#0 / 5723
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
19:42
3.11 mi
Rank: #3017
Start β†’ 5K
19:42 | 6:21/mi
10K
39:18
6.21 mi
Rank: #2938 (+79)
5K β†’ 10K
19:36 | 6:19/mi
15K
59:06
9.32 mi
Rank: #3055 (-117)
10K β†’ 15K
19:48 | 6:23/mi
20K
1:19:25
12.43 mi
Rank: #3295 (-240)
15K β†’ 20K
20:19 | 6:33/mi
HALF
1:23:51
13.11 mi
Rank: #3350 (-55)
20K β†’ HALF
4:26 | 6:31/mi
25K
1:40:13
15.53 mi
Rank: #3606 (-256)
HALF β†’ 25K
16:22 | 6:45/mi
30K
2:02:17
18.64 mi
Rank: #4049 (-443)
25K β†’ 30K
22:04 | 7:07/mi
20M
2:12:26
20.00 mi
Rank: #4327 (-278)
30K β†’ 20M
10:09 | 7:29/mi
21M
2:20:35
21.00 mi
Rank: #4651 (-324)
20M β†’ 21M
8:09 | 8:09/mi
35K
2:26:31
21.75 mi
Rank: #5002 (-351)
21M β†’ 35K
5:56 | 7:56/mi
23M
2:36:46
23.00 mi
Rank: #5555 (-553)
35K β†’ 23M
10:15 | 8:12/mi
24M
2:44:39
24.00 mi
Rank: #5935 (-380)
23M β†’ 24M
7:53 | 7:53/mi
40K
2:51:31
24.85 mi
Rank: #6219 (-284)
24M β†’ 40K
6:52 | 8:02/mi
25.2M
2:54:28
25.20 mi
Rank: #6273 (-54)
40K β†’ 25.2M
2:57 | 8:34/mi
FINISH
3:02:22
26.22 mi
Rank: #6428 (-155)
25.2M β†’ FINISH
7:54 | 7:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:51
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:38:31
Pace7:31 /mi
πŸ“ŠPositive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1019:426:2119:42
6:21
-
10K
6.21 mi10:41:4639:186:2019:36
6:19
-0:02
15K
9.32 mi11:01:3459:066:2119:48
6:23
+0:04
20K
12.43 mi11:21:531:19:256:2420:19
6:33
+0:10
HALF
13.11 mi11:26:191:23:516:244:26
6:31
-0:02
25K
15.53 mi11:42:411:40:136:2816:22
6:45
+0:14
30K
18.64 mi12:04:452:02:176:3422:04
7:07
+0:22
20M
20.00 mi12:14:542:12:266:3810:09
7:29
+0:22
21M
21.00 mi12:23:032:20:356:428:09
8:09
+0:40
35K
21.75 mi12:28:592:26:316:455:56
7:56
-0:13
23M
23.00 mi12:39:142:36:466:4910:15
8:12
+0:16
24M
24.00 mi12:47:072:44:396:527:53
7:53
-0:19
40K
24.85 mi12:53:592:51:316:556:52
8:02
+0:09
25.2M
25.20 mi12:56:562:54:286:562:57
8:34
+0:32
FINISH
26.22 mi13:04:503:02:226:587:54
7:46
-0:48

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

6:19 /mi

Average Pace

6:58 /mi

Slowest Pace

8:34 /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

1:40:13

55% of race

Time at Steady Pace

40:07

22% of race

Time at Slower Pace

42:02

23% of race

Average Pace: 6:57 /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 mi10:22:1019:426:2119:42
6:21
#3017
10K
6.21 mi10:41:4639:186:2019:36
6:19
#2938
15K
9.32 mi11:01:3459:066:2119:48
6:23
#3055
20K
12.43 mi11:21:531:19:256:2420:19
6:33
#3295
HALF
13.11 mi11:26:191:23:516:244:26
6:31
#3350
25K
15.53 mi11:42:411:40:136:2816:22
6:45
#3606
30K
18.64 mi12:04:452:02:176:3422:04
7:07
#4049
20M
20.00 mi12:14:542:12:266:3810:09
7:29
#4327
21M
21.00 mi12:23:032:20:356:428:09
8:09
#4651
35K
21.75 mi12:28:592:26:316:455:56
7:56
#5002
23M
23.00 mi12:39:142:36:466:4910:15
8:12
#5555
24M
24.00 mi12:47:072:44:396:527:53
7:53
#5935
40K
24.85 mi12:53:592:51:316:556:52
8:02
#6219
25.2M
25.20 mi12:56:562:54:286:562:57
8:34
#6273
FINISH
26.22 mi13:04:503:02:226:587:54
7:46
#6428
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3017288728873362(Top 12%)3213(Top 20%)3213(Top 56%)
10K6.21 mi3.10 mi2938+792819+682819+682906(Top 10%)2792(Top 17%)2792(Top 49%)
15K9.32 mi3.11 mi3055-1172933-1142933-1143362(Top 12%)3213(Top 20%)3213(Top 56%)
20K12.43 mi3.11 mi3295-2403157-2243157-2244055(Top 14%)3835(Top 23%)3835(Top 67%)
HALF13.11 mi0.68 mi3350-553208-513208-514467(Top 15%)4215(Top 26%)4215(Top 74%)
25K15.53 mi2.42 mi3606-2563444-2363444-2365341(Top 18%)4868(Top 30%)4868(Top 85%)
30K18.64 mi3.11 mi4049-4433823-3793823-3796674(Top 23%)5767(Top 35%)5767(Top 101%)
20M20.00 mi1.36 mi4327-2784065-2424065-2428890(Top 31%)6989(Top 43%)6989(Top 122%)
21M21.00 mi1.00 mi4651-3244332-2674332-26710848(Top 37%)7879(Top 48%)7879(Top 138%)
35K21.75 mi0.75 mi5002-3514623-2914623-29113924(Top 48%)9263(Top 57%)9263(Top 162%)
23M23.00 mi1.25 mi5555-5535033-4105033-41013687(Top 47%)9085(Top 56%)9085(Top 159%)
24M24.00 mi1.00 mi5935-3805313-2805313-28012874(Top 44%)8624(Top 53%)8624(Top 151%)
40K24.85 mi0.85 mi6219-2845523-2105523-21012647(Top 44%)8444(Top 52%)8444(Top 148%)
25.2M25.20 mi0.35 mi6273-545560-375560-3711851(Top 41%)7992(Top 49%)7992(Top 140%)
FINISH26.22 mi1.02 mi6428-1555653-935653-9313355(Top 46%)8713(Top 53%)8713(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
Γ—21
+97ft-345ft

Overall

3362

Males

3213

M18-39

3213

5K→10K

3.1 - 6.2 mi

Top 10%
Γ—5
+79ft-138ft

Overall

2906

Males

2792

M18-39

2792

10K→15K

6.2 - 9.3 mi

Top 12%
Γ—3
+67ft-78ft

Overall

3362

Males

3213

M18-39

3213

15K→20K

9.3 - 12.4 mi

Top 14%
Γ—5
+106ft-86ft

Overall

4055

Males

3835

M18-39

3835

20K→HALF

12.4 - 13.1 mi

Top 15%
Γ—2
+19ft-37ft

Overall

4467

Males

4215

M18-39

4215

HALF→25K

13.1 - 15.5 mi

Top 18%
Γ—4
+66ft-88ft

Overall

5341

Males

4868

M18-39

4868

25K→30K

15.5 - 18.6 mi

Top 23%
Γ—9
+181ft-148ft

Overall

6674

Males

5767

M18-39

5767

30K→20M

18.6 - 20.0 mi

Top 31%
Γ—5
+64ft-50ft

Overall

8890

Males

6989

M18-39

6989

20M→21M

20.0 - 21.0 mi

Top 37%
Γ—8
+106ft-24ft

Overall

10848

Males

7879

M18-39

7879

21M→35K

21.0 - 21.8 mi

Top 48%
Γ—7
+17ft-86ft

Overall

13924

Males

9263

M18-39

9263

35K→23M

21.8 - 23.0 mi

Top 47%
Γ—5
+23ft-63ft

Overall

13687

Males

9085

M18-39

9085

23M→24M

23.0 - 24.0 mi

Top 44%
Γ—6
+12ft-82ft

Overall

12874

Males

8624

M18-39

8624

24M→40K

24.0 - 24.9 mi

Top 44%
Γ—1
+6ft-20ft

Overall

12647

Males

8444

M18-39

8444

40K→25.2M

24.9 - 25.2 mi

Top 41%
Γ—1
+13ft-16ft

Overall

11851

Males

7992

M18-39

7992

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
Γ—2
+22ft-21ft

Overall

13355

Males

8713

M18-39

8713

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
421
Passed By
2339
Net Change
-3411
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3017
5K β†’ 10K16788+79#3017#2938
10K β†’ 15K42159-117#2938#3055
15K β†’ 20K34200-240#3055#3295
20K β†’ HALF257-55#3295#3350
HALF β†’ 25K33200-256#3350#3606
25K β†’ 30K24200-443#3606#4049
30K β†’ 20M20200-278#4049#4327
20M β†’ 21M14200-324#4327#4651
21M β†’ 35K7200-351#4651#5002
35K β†’ 23M14200-553#5002#5555
23M β†’ 24M18200-380#5555#5935
24M β†’ 40K20200-284#5935#6219
40K β†’ 25.2M963-54#6219#6273
25.2M β†’ FINISH17172-155#6273#6428
TOTALS4212339-3411
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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