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BOSTON MARATHON 2025

Jian Zhang

Bib: 6987•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M55-59)
#0 / 1648
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5782
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:45
Rank: #5555 (+227)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:41
Rank: #5501 (+54)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:23:54
Rank: #5491 (+10)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:28:25
Rank: #5432 (+59)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:48
Rank: #5232 (+200)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:06:41
Rank: #5116 (+116)
25K → 30K
21:53 | 7:03/mi
20M
2:16:13
Rank: #5017 (+99)
30K → 20M
9:32 | 7:01/mi
21M
2:23:42
Rank: #4964 (+53)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:28:48
Rank: #4904 (+60)
21M → 35K
5:06 | 6:49/mi
23M
2:37:26
Rank: #4742 (+162)
35K → 23M
8:38 | 6:54/mi
24M
2:44:11
Rank: #4637 (+105)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:49:56
Rank: #4516 (+121)
24M → 40K
5:45 | 6:44/mi
25.2M
2:52:32
Rank: #4496 (+20)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:59:16
Rank: #4435 (+61)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2620:566:4420:56
6:44
-
10K
6.21 mi10:49:1541:456:4320:49
6:42
-0:02
15K
9.32 mi11:10:111:02:416:4420:56
6:44
+0:02
20K
12.43 mi11:31:241:23:546:4521:13
6:50
+0:06
Half
13.11 mi11:35:551:28:256:454:31
6:37
-0:13
25K
15.53 mi11:52:181:44:486:4516:23
6:45
+0:08
30K
18.64 mi12:14:112:06:416:4821:53
7:03
+0:18
20M
20.00 mi12:23:432:16:136:499:32
7:01
-0:02
21M
21.00 mi12:31:122:23:426:517:29
7:29
+0:28
35K
21.75 mi12:36:182:28:486:515:06
6:49
-0:40
23M
23.00 mi12:44:562:37:266:518:38
6:54
+0:05
24M
24.00 mi12:51:412:44:116:506:45
6:45
-0:09
40K
24.85 mi12:57:262:49:566:505:45
6:44
-0:01
25.2M
25.20 mi13:00:022:52:326:512:36
7:32
+0:48
Finish
26.22 mi13:06:462:59:166:516:44
6:36
-0:56

Checkpoints & Pacing

📈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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:11

94% of race

Time at Steady Pace

10:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:28:2620:566:4420:56
6:44
#5782
10K
6.21 mi10:49:1541:456:4320:49
6:42
#5555
15K
9.32 mi11:10:111:02:416:4420:56
6:44
#5501
20K
12.43 mi11:31:241:23:546:4521:13
6:50
#5491
Half
13.11 mi11:35:551:28:256:454:31
6:37
#5432
25K
15.53 mi11:52:181:44:486:4516:23
6:45
#5232
30K
18.64 mi12:14:112:06:416:4821:53
7:03
#5116
20M
20.00 mi12:23:432:16:136:499:32
7:01
#5017
21M
21.00 mi12:31:122:23:426:517:29
7:29
#4964
35K
21.75 mi12:36:182:28:486:515:06
6:49
#4904
23M
23.00 mi12:44:562:37:266:518:38
6:54
#4742
24M
24.00 mi12:51:412:44:116:506:45
6:45
#4637
40K
24.85 mi12:57:262:49:566:505:45
6:44
#4516
25.2M
25.20 mi13:00:022:52:326:512:36
7:32
#4496
Finish
26.22 mi13:06:462:59:166:516:44
6:36
#4435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi5782533453345453(Top 19%)5012(Top 31%)5012(Top 304%)
10K6.21 mi3.10 mi5555+2275135+1995135+1995349(Top 19%)4950(Top 31%)4950(Top 300%)
15K9.32 mi3.11 mi5501+545085+505085+505453(Top 19%)5012(Top 31%)5012(Top 304%)
20K12.43 mi3.11 mi5491+105064+215064+215590(Top 20%)5097(Top 32%)5097(Top 309%)
Half13.11 mi0.68 mi5432+595014+505014+504620(Top 16%)4313(Top 27%)4313(Top 262%)
25K15.53 mi2.42 mi5232+2004834+1804834+1804554(Top 16%)4210(Top 26%)4210(Top 255%)
30K18.64 mi3.11 mi5116+1164711+1234711+1234964(Top 17%)4509(Top 28%)4509(Top 274%)
20M20.00 mi1.36 mi5017+994621+904621+904205(Top 15%)3844(Top 24%)3844(Top 233%)
21M21.00 mi1.00 mi4964+534572+494572+494546(Top 16%)4036(Top 25%)4036(Top 245%)
35K21.75 mi0.75 mi4904+604512+604512+604235(Top 15%)3788(Top 24%)3788(Top 230%)
23M23.00 mi1.25 mi4742+1624361+1514361+1513202(Top 11%)2922(Top 18%)2922(Top 177%)
24M24.00 mi1.00 mi4637+1054267+944267+943256(Top 11%)2936(Top 18%)2936(Top 178%)
40K24.85 mi0.85 mi4516+1214150+1174150+1172525(Top 9%)2307(Top 14%)2307(Top 140%)
25.2M25.20 mi0.35 mi4496+204129+214129+213612(Top 13%)3156(Top 20%)3156(Top 192%)
Finish26.22 mi1.02 mi4435+614072+574072+573386(Top 12%)2970(Top 18%)2970(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5453

Males

5012

M55-59

5012

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5349

Males

4950

M55-59

4950

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5453

Males

5012

M55-59

5012

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5590

Males

5097

M55-59

5097

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4620

Males

4313

M55-59

4313

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4554

Males

4210

M55-59

4210

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4964

Males

4509

M55-59

4509

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4205

Males

3844

M55-59

3844

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4546

Males

4036

M55-59

4036

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4235

Males

3788

M55-59

3788

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3202

Males

2922

M55-59

2922

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3256

Males

2936

M55-59

2936

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2525

Males

2307

M55-59

2307

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3612

Males

3156

M55-59

3156

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3386

Males

2970

M55-59

2970

Passing Analysis

Category:
Athletes Passed
1927
Passed By
580
Net Change
+1347
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5782
5K → 10K32497+227#5782#5555
10K → 15K14591+54#5555#5501
15K → 20K127117+10#5501#5491
20K → Half7011+59#5491#5432
Half → 25K22121+200#5432#5232
25K → 30K21599+116#5232#5116
30K → 20M12425+99#5116#5017
20M → 21M9138+53#5017#4964
21M → 35K8020+60#4964#4904
35K → 23M17412+162#4904#4742
23M → 24M1138+105#4742#4637
24M → 40K1276+121#4637#4516
40K → 25.2M3010+20#4516#4496
25.2M → Finish8625+61#4496#4435
TOTALS1927580+1347
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing