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BOSTON MARATHON 2026

Jun Shi

Bib: 15135•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 31%
Gender (Male)
#0 / 16340
Top 44%
Masters (Masters Men)
#0 / 10617
Top 32%
Age Group (M55-59)
#0 / 1491
Top 15%
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
22:43
3.11 mi
Rank: #11134
Start → 5K
22:43 | 7:19/mi
10K
45:54
6.21 mi
Rank: #11846 (-712)
5K → 10K
23:11 | 7:28/mi
15K
1:08:43
9.32 mi
Rank: #11712 (+134)
10K → 15K
22:49 | 7:21/mi
20K
1:31:58
12.43 mi
Rank: #11723 (-11)
15K → 20K
23:15 | 7:30/mi
HALF
1:37:17
13.11 mi
Rank: #11903 (-180)
20K → HALF
5:19 | 7:48/mi
25K
1:55:14
15.53 mi
Rank: #11705 (+198)
HALF → 25K
17:57 | 7:25/mi
30K
2:18:34
18.64 mi
Rank: #11327 (+378)
25K → 30K
23:20 | 7:31/mi
20M
2:28:27
20.00 mi
Rank: #10980 (+347)
30K → 20M
9:53 | 7:17/mi
21M
2:36:23
21.00 mi
Rank: #10840 (+140)
20M → 21M
7:56 | 7:56/mi
35K
2:41:30
21.75 mi
Rank: #10619 (+221)
21M → 35K
5:07 | 6:51/mi
23M
2:50:16
23.00 mi
Rank: #10189 (+430)
35K → 23M
8:46 | 7:01/mi
24M
2:56:54
24.00 mi
Rank: #9827 (+362)
23M → 24M
6:38 | 6:38/mi
40K
3:02:38
24.85 mi
Rank: #9522 (+305)
24M → 40K
5:44 | 6:43/mi
25.2M
3:05:03
25.20 mi
Rank: #9361 (+161)
40K → 25.2M
2:25 | 7:01/mi
FINISH
3:11:40
26.22 mi
Rank: #9087 (+274)
25.2M → FINISH
6:37 | 6:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:37:17
Pace7:26 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5122:437:1922:43
7:19
-
10K
6.21 mi11:17:0245:547:2423:11
7:28
+0:09
15K
9.32 mi11:39:511:08:437:2322:49
7:21
-0:07
20K
12.43 mi12:03:061:31:587:2523:15
7:30
+0:09
HALF
13.11 mi12:08:251:37:177:265:19
7:48
+0:18
25K
15.53 mi12:26:221:55:147:2617:57
7:25
-0:23
30K
18.64 mi12:49:422:18:347:2723:20
7:31
+0:06
20M
20.00 mi12:59:352:28:277:269:53
7:17
-0:14
21M
21.00 mi13:07:312:36:237:277:56
7:56
+0:39
35K
21.75 mi13:12:382:41:307:265:07
6:51
-1:05
23M
23.00 mi13:21:242:50:167:258:46
7:01
+0:10
24M
24.00 mi13:28:022:56:547:236:38
6:38
-0:23
40K
24.85 mi13:33:463:02:387:215:44
6:43
+0:05
25.2M
25.20 mi13:36:113:05:037:212:25
7:01
+0:18
FINISH
26.22 mi13:42:483:11:407:196:37
6:30
-0:31

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

6:30 /mi

Average Pace

7:19 /mi

Slowest Pace

7:56 /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

35:17

18% of race

Time at Steady Pace

2:23:08

75% of race

Time at Slower Pace

13:15

7% of race

Average Pace: 7:19 /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 mi10:53:5122:437:1922:43
7:19
#11134
10K
6.21 mi11:17:0245:547:2423:11
7:28
#11846
15K
9.32 mi11:39:511:08:437:2322:49
7:21
#11712
20K
12.43 mi12:03:061:31:587:2523:15
7:30
#11723
HALF
13.11 mi12:08:251:37:177:265:19
7:48
#11903
25K
15.53 mi12:26:221:55:147:2617:57
7:25
#11705
30K
18.64 mi12:49:422:18:347:2723:20
7:31
#11327
20M
20.00 mi12:59:352:28:277:269:53
7:17
#10980
21M
21.00 mi13:07:312:36:237:277:56
7:56
#10840
35K
21.75 mi13:12:382:41:307:265:07
6:51
#10619
23M
23.00 mi13:21:242:50:167:258:46
7:01
#10189
24M
24.00 mi13:28:022:56:547:236:38
6:38
#9827
40K
24.85 mi13:33:463:02:387:215:44
6:43
#9522
25.2M
25.20 mi13:36:113:05:037:212:25
7:01
#9361
FINISH
26.22 mi13:42:483:11:407:196:37
6:30
#9087
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 mi111348655865511455(Top 39%)8692(Top 53%)8692(Top 583%)
10K6.21 mi3.10 mi11846-7128950-2958950-29512575(Top 43%)9227(Top 56%)9227(Top 619%)
15K9.32 mi3.11 mi11712+1348855+958855+9511455(Top 39%)8692(Top 53%)8692(Top 583%)
20K12.43 mi3.11 mi11723-118830+258830+2511809(Top 41%)8757(Top 54%)8757(Top 587%)
HALF13.11 mi0.68 mi11903-1808914-848914-8415471(Top 53%)10374(Top 63%)10374(Top 696%)
25K15.53 mi2.42 mi11705+1988788+1268788+12610561(Top 36%)8105(Top 50%)8105(Top 544%)
30K18.64 mi3.11 mi11327+3788580+2088580+2089722(Top 33%)7542(Top 46%)7542(Top 506%)
20M20.00 mi1.36 mi10980+3478377+2038377+2037482(Top 26%)6198(Top 38%)6198(Top 416%)
21M21.00 mi1.00 mi10840+1408289+888289+889422(Top 32%)7170(Top 44%)7170(Top 481%)
35K21.75 mi0.75 mi10619+2218160+1298160+1296003(Top 21%)5180(Top 32%)5180(Top 347%)
23M23.00 mi1.25 mi10189+4307914+2467914+2465504(Top 19%)4762(Top 29%)4762(Top 319%)
24M24.00 mi1.00 mi9827+3627729+1857729+1853991(Top 14%)3575(Top 22%)3575(Top 240%)
40K24.85 mi0.85 mi9522+3057549+1807549+1803659(Top 13%)3271(Top 20%)3271(Top 219%)
25.2M25.20 mi0.35 mi9361+1617446+1037446+1032738(Top 9%)2502(Top 15%)2502(Top 168%)
FINISH26.22 mi1.02 mi9087+2747257+1897257+1894112(Top 14%)3559(Top 22%)3559(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21
+97ft-345ft

Overall

11455

Males

8692

M55-59

8692

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12575

Males

9227

M55-59

9227

10K→15K

6.2 - 9.3 mi

Top 39%
×3
+67ft-78ft

Overall

11455

Males

8692

M55-59

8692

15K→20K

9.3 - 12.4 mi

Top 41%
×5
+106ft-86ft

Overall

11809

Males

8757

M55-59

8757

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15471

Males

10374

M55-59

10374

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10561

Males

8105

M55-59

8105

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9722

Males

7542

M55-59

7542

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7482

Males

6198

M55-59

6198

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9422

Males

7170

M55-59

7170

21M→35K

21.0 - 21.8 mi

Top 21%
×7
+17ft-86ft

Overall

6003

Males

5180

M55-59

5180

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5504

Males

4762

M55-59

4762

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

3991

Males

3575

M55-59

3575

24M→40K

24.0 - 24.9 mi

Top 13%
×1
+6ft-20ft

Overall

3659

Males

3271

M55-59

3271

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1
+13ft-16ft

Overall

2738

Males

2502

M55-59

2502

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4112

Males

3559

M55-59

3559

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3394*
Passed By
1346
Net Change
+2047
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11134
5K → 10K72783-712#11134#11846
10K → 15K243109+134#11846#11712
15K → 20K154165-11#11712#11723
20K → HALF5185-180#11723#11903
HALF → 25K22628+198#11903#11705
25K → 30K41234+378#11705#11327
30K → 20M3481+347#11327#10980
20M → 21M17636+140#10980#10840
21M → 35K2221+221#10840#10619
35K → 23M4311+430#10619#10189
23M → 24M362*0+362#10189#9827
24M → 40K3050+305#9827#9522
40K → 25.2M1610+161#9522#9361
25.2M → FINISH2773+274#9361#9087
TOTALS3394*1346+2047

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

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📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing