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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaobing Chang

Bib: 8248 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 49%
Masters (Masters Men)
#0 / 10617
Top 38%
Age Group (M55-59)
#0 / 1491
Top 20%
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
20:08
3.11 mi
Rank: #4052
Start → 5K
20:08 | 6:29/mi
10K
40:50
6.21 mi
Rank: #4782 (-730)
5K → 10K
20:42 | 6:40/mi
15K
1:01:51
9.32 mi
Rank: #5253 (-471)
10K → 15K
21:01 | 6:46/mi
20K
1:25:43
12.43 mi
Rank: #7572 (-2319)
15K → 20K
23:52 | 7:41/mi
HALF
1:30:32
13.11 mi
Rank: #7647 (-75)
20K → HALF
4:49 | 7:04/mi
25K
1:48:44
15.53 mi
Rank: #8165 (-518)
HALF → 25K
18:12 | 7:31/mi
30K
2:12:29
18.64 mi
Rank: #8479 (-314)
25K → 30K
23:45 | 7:39/mi
20M
2:23:05
20.00 mi
Rank: #8641 (-162)
30K → 20M
10:36 | 7:49/mi
21M
2:35:01
21.00 mi
Rank: #10220 (-1579)
20M → 21M
11:56 | 11:56/mi
35K
2:41:03
21.75 mi
Rank: #10425 (-205)
21M → 35K
6:02 | 8:04/mi
23M
2:50:36
23.00 mi
Rank: #10343 (+82)
35K → 23M
9:33 | 7:38/mi
24M
2:58:02
24.00 mi
Rank: #10277 (+66)
23M → 24M
7:26 | 7:26/mi
40K
3:04:43
24.85 mi
Rank: #10293 (-16)
24M → 40K
6:41 | 7:50/mi
25.2M
3:07:35
25.20 mi
Rank: #10274 (+19)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:15:28
26.22 mi
Rank: #10375 (-101)
25.2M → FINISH
7:53 | 7:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:32
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:44:56
Pace8:01 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:1320:086:2920:08
6:29
-
10K
6.21 mi10:55:5540:506:3520:42
6:40
+0:11
15K
9.32 mi11:16:561:01:516:3921:01
6:46
+0:06
20K
12.43 mi11:40:481:25:436:5423:52
7:41
+0:55
HALF
13.11 mi11:45:371:30:326:554:49
7:04
-0:37
25K
15.53 mi12:03:491:48:447:0018:12
7:31
+0:27
30K
18.64 mi12:27:342:12:297:0723:45
7:39
+0:08
20M
20.00 mi12:38:102:23:057:1010:36
7:49
+0:10
21M
21.00 mi12:50:062:35:017:2311:56
11:56
+4:07
35K
21.75 mi12:56:082:41:037:256:02
8:04
-3:52
23M
23.00 mi13:05:412:50:367:269:33
7:38
-0:26
24M
24.00 mi13:13:072:58:027:267:26
7:26
-0:12
40K
24.85 mi13:19:483:04:437:266:41
7:50
+0:24
25.2M
25.20 mi13:22:403:07:357:272:52
8:19
+0:29
FINISH
26.22 mi13:30:333:15:287:287:53
7:45
-0:34

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

6:29 /mi

Average Pace

7:28 /mi

Slowest Pace

11:56 /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

1:01:51

32% of race

Time at Steady Pace

1:58:49

61% of race

Time at Slower Pace

14:48

8% of race

Average Pace: 7:27 /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 mi10:35:1320:086:2920:08
6:29
#4052
10K
6.21 mi10:55:5540:506:3520:42
6:40
#4782
15K
9.32 mi11:16:561:01:516:3921:01
6:46
#5253
20K
12.43 mi11:40:481:25:436:5423:52
7:41
#7572
HALF
13.11 mi11:45:371:30:326:554:49
7:04
#7647
25K
15.53 mi12:03:491:48:447:0018:12
7:31
#8165
30K
18.64 mi12:27:342:12:297:0723:45
7:39
#8479
20M
20.00 mi12:38:102:23:057:1010:36
7:49
#8641
21M
21.00 mi12:50:062:35:017:2311:56
11:56
#10220
35K
21.75 mi12:56:082:41:037:256:02
8:04
#10425
23M
23.00 mi13:05:412:50:367:269:33
7:38
#10343
24M
24.00 mi13:13:072:58:027:267:26
7:26
#10277
40K
24.85 mi13:19:483:04:437:266:41
7:50
#10293
25.2M
25.20 mi13:22:403:07:357:272:52
8:19
#10274
FINISH
26.22 mi13:30:333:15:287:287:53
7:45
#10375
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi4052385338536491(Top 22%)5811(Top 36%)5811(Top 390%)
10K6.21 mi3.10 mi4782-7304482-6294482-6295606(Top 19%)5161(Top 32%)5161(Top 346%)
15K9.32 mi3.11 mi5253-4714881-3994881-3996491(Top 22%)5811(Top 36%)5811(Top 390%)
20K12.43 mi3.11 mi7572-23196588-17076588-170713537(Top 47%)9520(Top 58%)9520(Top 638%)
HALF13.11 mi0.68 mi7647-756645-576645-579154(Top 32%)7560(Top 46%)7560(Top 507%)
25K15.53 mi2.42 mi8165-5186973-3286973-32811433(Top 39%)8524(Top 52%)8524(Top 572%)
30K18.64 mi3.11 mi8479-3147118-1457118-14510786(Top 37%)8094(Top 50%)8094(Top 543%)
20M20.00 mi1.36 mi8641-1627179-617179-6111341(Top 39%)8228(Top 50%)8228(Top 552%)
21M21.00 mi1.00 mi10220-15797983-8047983-80424951(Top 86%)14377(Top 88%)14377(Top 964%)
35K21.75 mi0.75 mi10425-2058072-898072-8914861(Top 51%)9675(Top 59%)9675(Top 649%)
23M23.00 mi1.25 mi10343+827992+807992+809799(Top 34%)7281(Top 45%)7281(Top 488%)
24M24.00 mi1.00 mi10277+667929+637929+639587(Top 33%)7091(Top 43%)7091(Top 476%)
40K24.85 mi0.85 mi10293-167924+57924+511122(Top 38%)7756(Top 47%)7756(Top 520%)
25.2M25.20 mi0.35 mi10274+197903+217903+2110321(Top 36%)7297(Top 45%)7297(Top 489%)
FINISH26.22 mi1.02 mi10375-1017932-297932-2913229(Top 46%)8656(Top 53%)8656(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6491

Males

5811

M55-59

5811

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5606

Males

5161

M55-59

5161

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6491

Males

5811

M55-59

5811

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13537

Males

9520

M55-59

9520

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9154

Males

7560

M55-59

7560

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11433

Males

8524

M55-59

8524

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10786

Males

8094

M55-59

8094

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11341

Males

8228

M55-59

8228

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

24951

Males

14377

M55-59

14377

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14861

Males

9675

M55-59

9675

35K→23M

21.8 - 23.0 mi

Top 34%
×5
+23ft-63ft

Overall

9799

Males

7281

M55-59

7281

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9587

Males

7091

M55-59

7091

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

11122

Males

7756

M55-59

7756

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10321

Males

7297

M55-59

7297

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13229

Males

8656

M55-59

8656

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
645
Passed By
2043
Net Change
-6323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4052
5K → 10K17200-730#4052#4782
10K → 15K24200-471#4782#5253
15K → 20K5200-2319#5253#7572
20K → HALF782-75#7572#7647
HALF → 25K35200-518#7647#8165
25K → 30K81200-314#8165#8479
30K → 20M45200-162#8479#8641
20M → 21M0200-1579#8641#10220
21M → 35K20200-205#10220#10425
35K → 23M15573+82#10425#10343
23M → 24M10943+66#10343#10277
24M → 40K6177-16#10277#10293
40K → 25.2M4122+19#10293#10274
25.2M → FINISH45146-101#10274#10375
TOTALS6452043-6323
📊

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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