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BOSTON MARATHON 2026

Lei Zhang

Bib: 18528•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 (M55-59)
#0 / 1491
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
23:25
3.11 mi
Rank: #13078
Start → 5K
23:25 | 7:33/mi
10K
46:57
6.21 mi
Rank: #13314 (-236)
5K → 10K
23:32 | 7:35/mi
15K
1:10:42
9.32 mi
Rank: #13557 (-243)
10K → 15K
23:45 | 7:39/mi
20K
1:34:55
12.43 mi
Rank: #13739 (-182)
15K → 20K
24:13 | 7:48/mi
HALF
1:40:09
13.11 mi
Rank: #13779 (-40)
20K → HALF
5:14 | 7:41/mi
25K
1:59:23
15.53 mi
Rank: #13942 (-163)
HALF → 25K
19:14 | 7:56/mi
30K
2:25:25
18.64 mi
Rank: #14363 (-421)
25K → 30K
26:02 | 8:23/mi
20M
2:37:16
20.00 mi
Rank: #14609 (-246)
30K → 20M
11:51 | 8:44/mi
21M
2:46:34
21.00 mi
Rank: #14801 (-192)
20M → 21M
9:18 | 9:18/mi
35K
2:53:08
21.75 mi
Rank: #14990 (-189)
21M → 35K
6:34 | 8:47/mi
23M
3:03:51
23.00 mi
Rank: #15078 (-88)
35K → 23M
10:43 | 8:34/mi
24M
3:12:04
24.00 mi
Rank: #15066 (+12)
23M → 24M
8:13 | 8:13/mi
40K
3:19:32
24.85 mi
Rank: #15142 (-76)
24M → 40K
7:28 | 8:44/mi
25.2M
3:22:49
25.20 mi
Rank: #15200 (-58)
40K → 25.2M
3:17 | 9:32/mi
FINISH
3:31:03
26.22 mi
Rank: #15232 (-32)
25.2M → FINISH
8:14 | 8:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:09
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:50:54
Pace8:28 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:1723:257:3323:25
7:33
-
10K
6.21 mi11:28:4946:577:3423:32
7:35
+0:02
15K
9.32 mi11:52:341:10:427:3623:45
7:39
+0:04
20K
12.43 mi12:16:471:34:557:3924:13
7:48
+0:09
HALF
13.11 mi12:22:011:40:097:395:14
7:41
-0:07
25K
15.53 mi12:41:151:59:237:4219:14
7:56
+0:15
30K
18.64 mi13:07:172:25:257:4926:02
8:23
+0:27
20M
20.00 mi13:19:082:37:167:5211:51
8:44
+0:21
21M
21.00 mi13:28:262:46:347:569:18
9:18
+0:34
35K
21.75 mi13:35:002:53:087:586:34
8:47
-0:31
23M
23.00 mi13:45:433:03:518:0010:43
8:34
-0:13
24M
24.00 mi13:53:563:12:048:018:13
8:13
-0:21
40K
24.85 mi14:01:243:19:328:027:28
8:44
+0:31
25.2M
25.20 mi14:04:413:22:498:033:17
9:32
+0:48
FINISH
26.22 mi14:12:553:31:038:048:14
8:05
-1:27

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

7:33 /mi

Average Pace

8:03 /mi

Slowest Pace

9:32 /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

1:40:09

47% of race

Time at Steady Pace

1:01:43

29% of race

Time at Slower Pace

49:11

23% of race

Average Pace: 8:03 /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 mi11:05:1723:257:3323:25
7:33
#13078
10K
6.21 mi11:28:4946:577:3423:32
7:35
#13314
15K
9.32 mi11:52:341:10:427:3623:45
7:39
#13557
20K
12.43 mi12:16:471:34:557:3924:13
7:48
#13739
HALF
13.11 mi12:22:011:40:097:395:14
7:41
#13779
25K
15.53 mi12:41:151:59:237:4219:14
7:56
#13942
30K
18.64 mi13:07:172:25:257:4926:02
8:23
#14363
20M
20.00 mi13:19:082:37:167:5211:51
8:44
#14609
21M
21.00 mi13:28:262:46:347:569:18
9:18
#14801
35K
21.75 mi13:35:002:53:087:586:34
8:47
#14990
23M
23.00 mi13:45:433:03:518:0010:43
8:34
#15078
24M
24.00 mi13:53:563:12:048:018:13
8:13
#15066
40K
24.85 mi14:01:243:19:328:027:28
8:44
#15142
25.2M
25.20 mi14:04:413:22:498:033:17
9:32
#15200
FINISH
26.22 mi14:12:553:31:038:048:14
8:05
#15232
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 mi130789496949614046(Top 48%)9824(Top 60%)9824(Top 659%)
10K6.21 mi3.10 mi13314-2369560-649560-6413605(Top 47%)9662(Top 59%)9662(Top 648%)
15K9.32 mi3.11 mi13557-2439651-919651-9114046(Top 48%)9824(Top 60%)9824(Top 659%)
20K12.43 mi3.11 mi13739-1829695-449695-4414466(Top 50%)9924(Top 61%)9924(Top 666%)
HALF13.11 mi0.68 mi13779-409709-149709-1414509(Top 50%)10018(Top 61%)10018(Top 672%)
25K15.53 mi2.42 mi13942-1639764-559764-5514839(Top 51%)10004(Top 61%)10004(Top 671%)
30K18.64 mi3.11 mi14363-4219885-1219885-12116126(Top 56%)10473(Top 64%)10473(Top 702%)
20M20.00 mi1.36 mi14609-2469968-839968-8317496(Top 60%)10960(Top 67%)10960(Top 735%)
21M21.00 mi1.00 mi14801-19210003-3510003-3517587(Top 61%)10955(Top 67%)10955(Top 735%)
35K21.75 mi0.75 mi14990-18910064-6110064-6118958(Top 65%)11478(Top 70%)11478(Top 770%)
23M23.00 mi1.25 mi15078-8810071-710071-716055(Top 55%)10120(Top 62%)10120(Top 679%)
24M24.00 mi1.00 mi15066+1210053+1810053+1815170(Top 52%)9684(Top 59%)9684(Top 649%)
40K24.85 mi0.85 mi15142-7610072-1910072-1916989(Top 59%)10407(Top 64%)10407(Top 698%)
25.2M25.20 mi0.35 mi15200-5810089-1710089-1717344(Top 60%)10568(Top 65%)10568(Top 709%)
FINISH26.22 mi1.02 mi15232-3210090-110090-115663(Top 54%)9843(Top 60%)9843(Top 660%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

14046

Males

9824

M55-59

9824

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13605

Males

9662

M55-59

9662

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

14046

Males

9824

M55-59

9824

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14466

Males

9924

M55-59

9924

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14509

Males

10018

M55-59

10018

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14839

Males

10004

M55-59

10004

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16126

Males

10473

M55-59

10473

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17496

Males

10960

M55-59

10960

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17587

Males

10955

M55-59

10955

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18958

Males

11478

M55-59

11478

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

16055

Males

10120

M55-59

10120

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

15170

Males

9684

M55-59

9684

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

16989

Males

10407

M55-59

10407

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17344

Males

10568

M55-59

10568

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15663

Males

9843

M55-59

9843

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1003
Passed By
3157
Net Change
-2154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13078
5K → 10K171407-236#13078#13314
10K → 15K125368-243#13314#13557
15K → 20K109291-182#13557#13739
20K → HALF1858-40#13739#13779
HALF → 25K79242-163#13779#13942
25K → 30K90511-421#13942#14363
30K → 20M45291-246#14363#14609
20M → 21M57249-192#14609#14801
21M → 35K23212-189#14801#14990
35K → 23M76164-88#14990#15078
23M → 24M8169+12#15078#15066
24M → 40K47123-76#15066#15142
40K → 25.2M2078-58#15142#15200
25.2M → FINISH6294-32#15200#15232
TOTALS10033157-2154
📊

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