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BOSTON MARATHON 2026

Tian Bu

Bib: 14106•M

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 43%
Age Group (M50-54)
#0 / 1868
Top 48%
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
23:22
3.11 mi
Rank: #12938
Start → 5K
23:22 | 7:32/mi
10K
46:32
6.21 mi
Rank: #12730 (+208)
5K → 10K
23:10 | 7:28/mi
15K
1:09:36
9.32 mi
Rank: #12532 (+198)
10K → 15K
23:04 | 7:26/mi
20K
1:33:09
12.43 mi
Rank: #12554 (-22)
15K → 20K
23:33 | 7:35/mi
HALF
1:38:14
13.11 mi
Rank: #12541 (+13)
20K → HALF
5:05 | 7:28/mi
25K
1:56:57
15.53 mi
Rank: #12635 (-94)
HALF → 25K
18:43 | 7:44/mi
30K
2:20:54
18.64 mi
Rank: #12372 (+263)
25K → 30K
23:57 | 7:43/mi
20M
2:31:44
20.00 mi
Rank: #12374 (-2)
30K → 20M
10:50 | 7:59/mi
21M
2:40:07
21.00 mi
Rank: #12350 (+24)
20M → 21M
8:23 | 8:23/mi
35K
2:45:36
21.75 mi
Rank: #12242 (+108)
21M → 35K
5:29 | 7:20/mi
23M
2:55:31
23.00 mi
Rank: #12201 (+41)
35K → 23M
9:55 | 7:56/mi
24M
3:03:03
24.00 mi
Rank: #12084 (+117)
23M → 24M
7:32 | 7:32/mi
40K
3:09:41
24.85 mi
Rank: #11990 (+94)
24M → 40K
6:38 | 7:46/mi
25.2M
3:12:33
25.20 mi
Rank: #11949 (+41)
40K → 25.2M
2:52 | 8:19/mi
FINISH
3:20:07
26.22 mi
Rank: #11886 (+63)
25.2M → FINISH
7:34 | 7:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:14
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:41:53
Pace7:47 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2023:227:3223:22
7:32
-
10K
6.21 mi11:16:3046:327:3023:10
7:28
-0:04
15K
9.32 mi11:39:341:09:367:2923:04
7:26
-0:02
20K
12.43 mi12:03:071:33:097:3023:33
7:35
+0:09
HALF
13.11 mi12:08:121:38:147:305:05
7:28
-0:07
25K
15.53 mi12:26:551:56:577:3218:43
7:44
+0:16
30K
18.64 mi12:50:522:20:547:3423:57
7:43
-0:01
20M
20.00 mi13:01:422:31:447:3610:50
7:59
+0:16
21M
21.00 mi13:10:052:40:077:388:23
8:23
+0:24
35K
21.75 mi13:15:342:45:367:375:29
7:20
-1:03
23M
23.00 mi13:25:292:55:317:389:55
7:56
+0:36
24M
24.00 mi13:33:013:03:037:387:32
7:32
-0:24
40K
24.85 mi13:39:393:09:417:386:38
7:46
+0:14
25.2M
25.20 mi13:42:313:12:337:392:52
8:19
+0:33
FINISH
26.22 mi13:50:053:20:077:397:34
7:26
-0:53

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

7:20 /mi

Average Pace

7:38 /mi

Slowest Pace

8:23 /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

3:08:52

94% of race

Time at Steady Pace

11:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:2023:227:3223:22
7:32
#12938
10K
6.21 mi11:16:3046:327:3023:10
7:28
#12730
15K
9.32 mi11:39:341:09:367:2923:04
7:26
#12532
20K
12.43 mi12:03:071:33:097:3023:33
7:35
#12554
HALF
13.11 mi12:08:121:38:147:305:05
7:28
#12541
25K
15.53 mi12:26:551:56:577:3218:43
7:44
#12635
30K
18.64 mi12:50:522:20:547:3423:57
7:43
#12372
20M
20.00 mi13:01:422:31:447:3610:50
7:59
#12374
21M
21.00 mi13:10:052:40:077:388:23
8:23
#12350
35K
21.75 mi13:15:342:45:367:375:29
7:20
#12242
23M
23.00 mi13:25:292:55:317:389:55
7:56
#12201
24M
24.00 mi13:33:013:03:037:387:32
7:32
#12084
40K
24.85 mi13:39:393:09:417:386:38
7:46
#11990
25.2M
25.20 mi13:42:313:12:337:392:52
8:19
#11949
FINISH
26.22 mi13:50:053:20:077:397:34
7:26
#11886
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 mi129389439943912152(Top 42%)8997(Top 55%)8997(Top 482%)
10K6.21 mi3.10 mi12730+2089327+1129327+11212538(Top 43%)9213(Top 56%)9213(Top 493%)
15K9.32 mi3.11 mi12532+1989224+1039224+10312152(Top 42%)8997(Top 55%)8997(Top 482%)
20K12.43 mi3.11 mi12554-229202+229202+2212636(Top 44%)9126(Top 56%)9126(Top 489%)
HALF13.11 mi0.68 mi12541+139193+99193+912580(Top 43%)9174(Top 56%)9174(Top 491%)
25K15.53 mi2.42 mi12635-949204-119204-1113162(Top 45%)9285(Top 57%)9285(Top 497%)
30K18.64 mi3.11 mi12372+2639036+1689036+16811302(Top 39%)8344(Top 51%)8344(Top 447%)
20M20.00 mi1.36 mi12374-29007+299007+2912635(Top 44%)8846(Top 54%)8846(Top 474%)
21M21.00 mi1.00 mi12350+248979+288979+2812347(Top 43%)8595(Top 53%)8595(Top 460%)
35K21.75 mi0.75 mi12242+1088923+568923+569533(Top 33%)7249(Top 44%)7249(Top 388%)
23M23.00 mi1.25 mi12201+418876+478876+4711899(Top 41%)8311(Top 51%)8311(Top 445%)
24M24.00 mi1.00 mi12084+1178790+868790+8610321(Top 36%)7465(Top 46%)7465(Top 400%)
40K24.85 mi0.85 mi11990+948730+608730+6010719(Top 37%)7569(Top 46%)7569(Top 405%)
25.2M25.20 mi0.35 mi11949+418701+298701+2910348(Top 36%)7324(Top 45%)7324(Top 392%)
FINISH26.22 mi1.02 mi11886+638645+568645+5610845(Top 37%)7529(Top 46%)7529(Top 403%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21
+97ft-345ft

Overall

12152

Males

8997

M50-54

8997

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12538

Males

9213

M50-54

9213

10K→15K

6.2 - 9.3 mi

Top 42%
×3
+67ft-78ft

Overall

12152

Males

8997

M50-54

8997

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12636

Males

9126

M50-54

9126

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12580

Males

9174

M50-54

9174

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13162

Males

9285

M50-54

9285

25K→30K

15.5 - 18.6 mi

Top 39%
×9
+181ft-148ft

Overall

11302

Males

8344

M50-54

8344

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12635

Males

8846

M50-54

8846

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12347

Males

8595

M50-54

8595

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9533

Males

7249

M50-54

7249

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11899

Males

8311

M50-54

8311

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10321

Males

7465

M50-54

7465

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10719

Males

7569

M50-54

7569

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10348

Males

7324

M50-54

7324

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10845

Males

7529

M50-54

7529

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2118
Passed By
1066
Net Change
+1052
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12938
5K → 10K387179+208#12938#12730
10K → 15K29698+198#12730#12532
15K → 20K147169-22#12532#12554
20K → HALF3219+13#12554#12541
HALF → 25K101195-94#12541#12635
25K → 30K32562+263#12635#12372
30K → 20M8991-2#12372#12374
20M → 21M8763+24#12374#12350
21M → 35K1113+108#12350#12242
35K → 23M12079+41#12242#12201
23M → 24M14427+117#12201#12084
24M → 40K12430+94#12084#11990
40K → 25.2M5211+41#11990#11949
25.2M → FINISH10340+63#11949#11886
TOTALS21181066+1052
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing