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BOSTON MARATHON 2026

Zhen Zhang

Bib: 2994 •M •Age: N/A

CO

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 34%
Gender (Male)
#0 / 16340
Top 47%
Masters (Masters Men)
#0 / 10617
Top 36%
Age Group (M40-44)
#0 / 2198
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
21:26
3.11 mi
Rank: #7737
Start → 5K
21:26 | 6:54/mi
10K
42:42
6.21 mi
Rank: #7591 (+146)
5K → 10K
21:16 | 6:51/mi
15K
1:03:59
9.32 mi
Rank: #7506 (+85)
10K → 15K
21:17 | 6:52/mi
20K
1:25:37
12.43 mi
Rank: #7512 (-6)
15K → 20K
21:38 | 6:58/mi
HALF
1:30:13
13.11 mi
Rank: #7456 (+56)
20K → HALF
4:36 | 6:45/mi
25K
1:47:58
15.53 mi
Rank: #7802 (-346)
HALF → 25K
17:45 | 7:20/mi
30K
2:12:36
18.64 mi
Rank: #8525 (-723)
25K → 30K
24:38 | 7:56/mi
20M
2:23:40
20.00 mi
Rank: #8889 (-364)
30K → 20M
11:04 | 8:09/mi
21M
2:31:40
21.00 mi
Rank: #8902 (-13)
20M → 21M
8:00 | 8:00/mi
35K
2:37:23
21.75 mi
Rank: #8988 (-86)
21M → 35K
5:43 | 7:39/mi
23M
2:47:08
23.00 mi
Rank: #9060 (-72)
35K → 23M
9:45 | 7:48/mi
24M
2:55:06
24.00 mi
Rank: #9202 (-142)
23M → 24M
7:58 | 7:58/mi
40K
3:02:01
24.85 mi
Rank: #9310 (-108)
24M → 40K
6:55 | 8:06/mi
25.2M
3:05:21
25.20 mi
Rank: #9476 (-166)
40K → 25.2M
3:20 | 9:40/mi
FINISH
3:14:02
26.22 mi
Rank: #9889 (-413)
25.2M → FINISH
8:41 | 8:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:43:49
Pace7:56 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1821:266:5421:26
6:54
-
10K
6.21 mi10:45:3442:426:5321:16
6:51
-0:03
15K
9.32 mi11:06:511:03:596:5221:17
6:52
+0:01
20K
12.43 mi11:28:291:25:376:5421:38
6:58
+0:06
HALF
13.11 mi11:33:051:30:136:534:36
6:45
-0:13
25K
15.53 mi11:50:501:47:586:5817:45
7:20
+0:35
30K
18.64 mi12:15:282:12:367:0724:38
7:56
+0:36
20M
20.00 mi12:26:322:23:407:1211:04
8:09
+0:13
21M
21.00 mi12:34:322:31:407:148:00
8:00
-0:09
35K
21.75 mi12:40:152:37:237:155:43
7:39
-0:21
23M
23.00 mi12:50:002:47:087:179:45
7:48
+0:09
24M
24.00 mi12:57:582:55:067:187:58
7:58
+0:10
40K
24.85 mi13:04:533:02:017:206:55
8:06
+0:08
25.2M
25.20 mi13:08:133:05:217:223:20
9:40
+1:34
FINISH
26.22 mi13:16:543:14:027:258:41
8:32
-1:08

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

6:45 /mi

Average Pace

7:24 /mi

Slowest Pace

9:40 /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

1:47:58

56% of race

Time at Steady Pace

1:14:03

38% of race

Time at Slower Pace

12:01

6% of race

Average Pace: 7:24 /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 mi10:24:1821:266:5421:26
6:54
#7737
10K
6.21 mi10:45:3442:426:5321:16
6:51
#7591
15K
9.32 mi11:06:511:03:596:5221:17
6:52
#7506
20K
12.43 mi11:28:291:25:376:5421:38
6:58
#7512
HALF
13.11 mi11:33:051:30:136:534:36
6:45
#7456
25K
15.53 mi11:50:501:47:586:5817:45
7:20
#7802
30K
18.64 mi12:15:282:12:367:0724:38
7:56
#8525
20M
20.00 mi12:26:322:23:407:1211:04
8:09
#8889
21M
21.00 mi12:34:322:31:407:148:00
8:00
#8902
35K
21.75 mi12:40:152:37:237:155:43
7:39
#8988
23M
23.00 mi12:50:002:47:087:179:45
7:48
#9060
24M
24.00 mi12:57:582:55:067:187:58
7:58
#9202
40K
24.85 mi13:04:533:02:017:206:55
8:06
#9310
25.2M
25.20 mi13:08:133:05:217:223:20
9:40
#9476
FINISH
26.22 mi13:16:543:14:027:258:41
8:32
#9889
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7737672767277346(Top 25%)6423(Top 39%)6423(Top 292%)
10K6.21 mi3.10 mi7591+1466617+1106617+1107431(Top 26%)6504(Top 40%)6504(Top 296%)
15K9.32 mi3.11 mi7506+856562+556562+557346(Top 25%)6423(Top 39%)6423(Top 292%)
20K12.43 mi3.11 mi7512-66546+166546+167593(Top 26%)6567(Top 40%)6567(Top 299%)
HALF13.11 mi0.68 mi7456+566506+406506+406666(Top 23%)5946(Top 36%)5946(Top 271%)
25K15.53 mi2.42 mi7802-3466737-2316737-2319856(Top 34%)7773(Top 48%)7773(Top 354%)
30K18.64 mi3.11 mi8525-7237144-4077144-40712949(Top 45%)9083(Top 56%)9083(Top 413%)
20M20.00 mi1.36 mi8889-3647324-1807324-18013824(Top 48%)9359(Top 57%)9359(Top 426%)
21M21.00 mi1.00 mi8902-137307+177307+179876(Top 34%)7395(Top 45%)7395(Top 336%)
35K21.75 mi0.75 mi8988-867331-247331-2411842(Top 41%)8340(Top 51%)8340(Top 379%)
23M23.00 mi1.25 mi9060-727338-77338-710928(Top 38%)7818(Top 48%)7818(Top 356%)
24M24.00 mi1.00 mi9202-1427392-547392-5413465(Top 46%)8905(Top 54%)8905(Top 405%)
40K24.85 mi0.85 mi9310-1087430-387430-3813046(Top 45%)8637(Top 53%)8637(Top 393%)
25.2M25.20 mi0.35 mi9476-1667507-777507-7718005(Top 62%)10876(Top 67%)10876(Top 495%)
FINISH26.22 mi1.02 mi9889-4137681-1747681-17418237(Top 63%)10993(Top 67%)10993(Top 500%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7346

Males

6423

M40-44

6423

5K→10K

3.1 - 6.2 mi

Top 26%
×5
+79ft-138ft

Overall

7431

Males

6504

M40-44

6504

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7346

Males

6423

M40-44

6423

15K→20K

9.3 - 12.4 mi

Top 26%
×5
+106ft-86ft

Overall

7593

Males

6567

M40-44

6567

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6666

Males

5946

M40-44

5946

HALF→25K

13.1 - 15.5 mi

Top 34%
×4
+66ft-88ft

Overall

9856

Males

7773

M40-44

7773

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

12949

Males

9083

M40-44

9083

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13824

Males

9359

M40-44

9359

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9876

Males

7395

M40-44

7395

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

11842

Males

8340

M40-44

8340

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

10928

Males

7818

M40-44

7818

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13465

Males

8905

M40-44

8905

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13046

Males

8637

M40-44

8637

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

18005

Males

10876

M40-44

10876

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18237

Males

10993

M40-44

10993

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1058*
Passed By
2036
Net Change
-2152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7737
5K → 10K289*143+146#7737#7591
10K → 15K17994+85#7591#7506
15K → 20K137143-6#7506#7512
20K → HALF637+56#7512#7456
HALF → 25K51200-346#7456#7802
25K → 30K33200-723#7802#8525
30K → 20M28200-364#8525#8889
20M → 21M8093-13#8889#8902
21M → 35K34120-86#8902#8988
35K → 23M70142-72#8988#9060
23M → 24M32174-142#9060#9202
24M → 40K36144-108#9202#9310
40K → 25.2M10176-166#9310#9476
25.2M → FINISH16200-413#9476#9889
TOTALS1058*2036-2152

* 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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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