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BOSTON MARATHON 2026

Jian Zhou

Bib: 29825•M

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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 (M50-54)
#0 / 1868
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
27:36
3.11 mi
Rank: #22090
Start → 5K
27:36 | 8:54/mi
10K
53:00
6.21 mi
Rank: #20327 (+1763)
5K → 10K
25:24 | 8:11/mi
15K
1:18:21
9.32 mi
Rank: #19613 (+714)
10K → 15K
25:21 | 8:10/mi
20K
1:44:12
12.43 mi
Rank: #19289 (+324)
15K → 20K
25:51 | 8:20/mi
HALF
1:49:42
13.11 mi
Rank: #19190 (+99)
20K → HALF
5:30 | 8:05/mi
25K
2:09:57
15.53 mi
Rank: #18933 (+257)
HALF → 25K
20:15 | 8:21/mi
30K
2:36:17
18.64 mi
Rank: #18518 (+415)
25K → 30K
26:20 | 8:29/mi
20M
2:48:24
20.00 mi
Rank: #18511 (+7)
30K → 20M
12:07 | 8:56/mi
21M
2:57:47
21.00 mi
Rank: #18466 (+45)
20M → 21M
9:23 | 9:23/mi
35K
3:04:17
21.75 mi
Rank: #18453 (+13)
21M → 35K
6:30 | 8:42/mi
23M
3:15:32
23.00 mi
Rank: #18452 (+1)
35K → 23M
11:15 | 9:00/mi
24M
3:24:13
24.00 mi
Rank: #18426 (+26)
23M → 24M
8:41 | 8:41/mi
40K
3:31:40
24.85 mi
Rank: #18358 (+68)
24M → 40K
7:27 | 8:43/mi
25.2M
3:35:01
25.20 mi
Rank: #18351 (+7)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:43:40
26.22 mi
Rank: #18332 (+19)
25.2M → FINISH
8:39 | 8:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:42
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:53:58
Pace8:42 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3627:368:5427:36
8:54
-
10K
6.21 mi12:17:0053:008:3225:24
8:11
-0:43
15K
9.32 mi12:42:211:18:218:2525:21
8:10
-0:01
20K
12.43 mi13:08:121:44:128:2425:51
8:20
+0:10
HALF
13.11 mi13:13:421:49:428:235:30
8:05
-0:15
25K
15.53 mi13:33:572:09:578:2220:15
8:21
+0:16
30K
18.64 mi14:00:172:36:178:2426:20
8:29
+0:08
20M
20.00 mi14:12:242:48:248:2612:07
8:56
+0:27
21M
21.00 mi14:21:472:57:478:289:23
9:23
+0:27
35K
21.75 mi14:28:173:04:178:296:30
8:42
-0:41
23M
23.00 mi14:39:323:15:328:3111:15
9:00
+0:18
24M
24.00 mi14:48:133:24:138:318:41
8:41
-0:19
40K
24.85 mi14:55:403:31:408:317:27
8:43
+0:02
25.2M
25.20 mi14:59:013:35:018:323:21
9:43
+1:00
FINISH
26.22 mi15:07:403:43:408:338:39
8:30
-1:13

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

8:05 /mi

Average Pace

8:32 /mi

Slowest Pace

9:43 /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

1:42:21

46% of race

Time at Steady Pace

1:25:13

38% of race

Time at Slower Pace

36:06

16% of race

Average Pace: 8:32 /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 mi11:51:3627:368:5427:36
8:54
#22090
10K
6.21 mi12:17:0053:008:3225:24
8:11
#20327
15K
9.32 mi12:42:211:18:218:2525:21
8:10
#19613
20K
12.43 mi13:08:121:44:128:2425:51
8:20
#19289
HALF
13.11 mi13:13:421:49:428:235:30
8:05
#19190
25K
15.53 mi13:33:572:09:578:2220:15
8:21
#18933
30K
18.64 mi14:00:172:36:178:2426:20
8:29
#18518
20M
20.00 mi14:12:242:48:248:2612:07
8:56
#18511
21M
21.00 mi14:21:472:57:478:289:23
9:23
#18466
35K
21.75 mi14:28:173:04:178:296:30
8:42
#18453
23M
23.00 mi14:39:323:15:328:3111:15
9:00
#18452
24M
24.00 mi14:48:133:24:138:318:41
8:41
#18426
40K
24.85 mi14:55:403:31:408:317:27
8:43
#18358
25.2M
25.20 mi14:59:013:35:018:323:21
9:43
#18351
FINISH
26.22 mi15:07:403:43:408:338:39
8:30
#18332
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 mi22090132591325918072(Top 62%)11485(Top 70%)11485(Top 615%)
10K6.21 mi3.10 mi20327+176312450+80912450+80918426(Top 63%)11641(Top 71%)11641(Top 623%)
15K9.32 mi3.11 mi19613+71412130+32012130+32018072(Top 62%)11485(Top 70%)11485(Top 615%)
20K12.43 mi3.11 mi19289+32411983+14711983+14718240(Top 63%)11510(Top 70%)11510(Top 616%)
HALF13.11 mi0.68 mi19190+9911944+3911944+3917551(Top 60%)11256(Top 69%)11256(Top 603%)
25K15.53 mi2.42 mi18933+25711816+12811816+12817689(Top 61%)11230(Top 69%)11230(Top 601%)
30K18.64 mi3.11 mi18518+41511598+21811598+21816766(Top 58%)10734(Top 66%)10734(Top 575%)
20M20.00 mi1.36 mi18511+711585+1311585+1318532(Top 64%)11414(Top 70%)11414(Top 611%)
21M21.00 mi1.00 mi18466+4511549+3611549+3617987(Top 62%)11134(Top 68%)11134(Top 596%)
35K21.75 mi0.75 mi18453+1311531+1811531+1818554(Top 64%)11301(Top 69%)11301(Top 605%)
23M23.00 mi1.25 mi18452+111517+1411517+1418435(Top 64%)11180(Top 68%)11180(Top 599%)
24M24.00 mi1.00 mi18426+2611483+3411483+3417907(Top 62%)10903(Top 67%)10903(Top 584%)
40K24.85 mi0.85 mi18358+6811437+4611437+4616908(Top 58%)10383(Top 64%)10383(Top 556%)
25.2M25.20 mi0.35 mi18351+711428+911428+918222(Top 63%)10992(Top 67%)10992(Top 588%)
FINISH26.22 mi1.02 mi18332+1911404+2411404+2418084(Top 62%)10926(Top 67%)10926(Top 585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18072

Males

11485

M50-54

11485

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18426

Males

11641

M50-54

11641

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18072

Males

11485

M50-54

11485

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18240

Males

11510

M50-54

11510

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17551

Males

11256

M50-54

11256

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17689

Males

11230

M50-54

11230

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16766

Males

10734

M50-54

10734

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18532

Males

11414

M50-54

11414

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17987

Males

11134

M50-54

11134

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18554

Males

11301

M50-54

11301

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18435

Males

11180

M50-54

11180

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17907

Males

10903

M50-54

10903

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16908

Males

10383

M50-54

10383

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18222

Males

10992

M50-54

10992

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18084

Males

10926

M50-54

10926

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4298*
Passed By
540
Net Change
+3758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22090
5K → 10K1777*14+1763#22090#20327
10K → 15K727*13+714#20327#19613
15K → 20K350*26+324#19613#19289
20K → HALF1023+99#19289#19190
HALF → 25K275*18+257#19190#18933
25K → 30K438*23+415#18933#18518
30K → 20M9386+7#18518#18511
20M → 21M9954+45#18511#18466
21M → 35K6451+13#18466#18453
35K → 23M8988+1#18453#18452
23M → 24M8054+26#18452#18426
24M → 40K9527+68#18426#18358
40K → 25.2M3427+7#18358#18351
25.2M → FINISH7556+19#18351#18332
TOTALS4298*540+3758

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

📊

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