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BOSTON MARATHON 2025

Liang Zhang

Bib: 7064•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #7363
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
43:16
Rank: #7607 (-244)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:05:05
Rank: #7641 (-34)
10K → 15K
21:49 | 7:01/mi
20K· 12.43 mi
1:28:02
Rank: #8057 (-416)
15K → 20K
22:57 | 7:23/mi
Half· 13.11 mi
1:32:50
Rank: #8037 (+20)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:50:45
Rank: #8132 (-95)
Half → 25K
17:55 | 7:23/mi
30K· 18.64 mi
2:14:02
Rank: #7958 (+174)
25K → 30K
23:17 | 7:30/mi
20M
2:24:12
Rank: #7822 (+136)
30K → 20M
10:10 | 7:29/mi
21M
2:31:44
Rank: #7555 (+267)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:37:04
Rank: #7464 (+91)
21M → 35K
5:20 | 7:08/mi
23M
2:46:08
Rank: #7267 (+197)
35K → 23M
9:04 | 7:14/mi
24M
2:53:02
Rank: #7067 (+200)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:59:01
Rank: #6898 (+169)
24M → 40K
5:59 | 7:00/mi
25.2M
3:01:40
Rank: #6817 (+81)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:08:00
Rank: #6489 (+328)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:50
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5321:346:5621:34
6:56
-
10K
6.21 mi10:49:3543:166:5821:42
6:59
+0:03
15K
9.32 mi11:11:241:05:056:5921:49
7:01
+0:02
20K
12.43 mi11:34:211:28:027:0522:57
7:23
+0:22
Half
13.11 mi11:39:091:32:507:054:48
7:02
-0:21
25K
15.53 mi11:57:041:50:457:0817:55
7:23
+0:21
30K
18.64 mi12:20:212:14:027:1123:17
7:30
+0:07
20M
20.00 mi12:30:312:24:127:1310:10
7:29
-0:01
21M
21.00 mi12:38:032:31:447:147:32
7:32
+0:03
35K
21.75 mi12:43:232:37:047:135:20
7:08
-0:24
23M
23.00 mi12:52:272:46:087:139:04
7:14
+0:06
24M
24.00 mi12:59:212:53:027:136:54
6:54
-0:20
40K
24.85 mi13:05:202:59:017:125:59
7:00
+0:06
25.2M
25.20 mi13:07:593:01:407:132:39
7:41
+0:41
Finish
26.22 mi13:14:193:08:007:116:20
6:13
-1:28

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

6:13 /mi

Average Pace

7:11 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:48

19% of race

Time at Steady Pace

1:08:42

37% of race

Time at Slower Pace

1:24:30

45% of race

Average Pace: 7:10 /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 mi10:27:5321:346:5621:34
6:56
#7363
10K
6.21 mi10:49:3543:166:5821:42
6:59
#7607
15K
9.32 mi11:11:241:05:056:5921:49
7:01
#7641
20K
12.43 mi11:34:211:28:027:0522:57
7:23
#8057
Half
13.11 mi11:39:091:32:507:054:48
7:02
#8037
25K
15.53 mi11:57:041:50:457:0817:55
7:23
#8132
30K
18.64 mi12:20:212:14:027:1123:17
7:30
#7958
20M
20.00 mi12:30:312:24:127:1310:10
7:29
#7822
21M
21.00 mi12:38:032:31:447:147:32
7:32
#7555
35K
21.75 mi12:43:232:37:047:135:20
7:08
#7464
23M
23.00 mi12:52:272:46:087:139:04
7:14
#7267
24M
24.00 mi12:59:212:53:027:136:54
6:54
#7067
40K
24.85 mi13:05:202:59:017:125:59
7:00
#6898
25.2M
25.20 mi13:07:593:01:407:132:39
7:41
#6817
Finish
26.22 mi13:14:193:08:007:116:20
6:13
#6489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7363656865687761(Top 27%)6786(Top 42%)6786(Top 120%)
10K6.21 mi3.10 mi7607-2446725-1576725-1577821(Top 28%)6853(Top 43%)6853(Top 121%)
15K9.32 mi3.11 mi7641-346736-116736-117761(Top 27%)6786(Top 42%)6786(Top 120%)
20K12.43 mi3.11 mi8057-4166992-2566992-2569767(Top 34%)7877(Top 49%)7877(Top 140%)
Half13.11 mi0.68 mi8037+206977+156977+157786(Top 27%)6748(Top 42%)6748(Top 120%)
25K15.53 mi2.42 mi8132-957003-267003-269046(Top 32%)7362(Top 46%)7362(Top 130%)
30K18.64 mi3.11 mi7958+1746847+1566847+1567697(Top 27%)6407(Top 40%)6407(Top 114%)
20M20.00 mi1.36 mi7822+1366728+1196728+1196863(Top 24%)5748(Top 36%)5748(Top 102%)
21M21.00 mi1.00 mi7555+2676517+2116517+2114793(Top 17%)4227(Top 26%)4227(Top 75%)
35K21.75 mi0.75 mi7464+916435+826435+826152(Top 22%)5174(Top 32%)5174(Top 92%)
23M23.00 mi1.25 mi7267+1976268+1676268+1675131(Top 18%)4415(Top 27%)4415(Top 78%)
24M24.00 mi1.00 mi7067+2006109+1596109+1594112(Top 14%)3629(Top 23%)3629(Top 64%)
40K24.85 mi0.85 mi6898+1695973+1365973+1363912(Top 14%)3431(Top 21%)3431(Top 61%)
25.2M25.20 mi0.35 mi6817+815904+695904+694290(Top 15%)3646(Top 23%)3646(Top 65%)
Finish26.22 mi1.02 mi6489+3285645+2595645+2591589(Top 6%)1478(Top 9%)1478(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7761

Males

6786

M18-39

6786

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7821

Males

6853

M18-39

6853

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7761

Males

6786

M18-39

6786

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9767

Males

7877

M18-39

7877

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7786

Males

6748

M18-39

6748

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9046

Males

7362

M18-39

7362

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7697

Males

6407

M18-39

6407

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6863

Males

5748

M18-39

5748

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4793

Males

4227

M18-39

4227

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6152

Males

5174

M18-39

5174

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5131

Males

4415

M18-39

4415

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

4112

Males

3629

M18-39

3629

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3912

Males

3431

M18-39

3431

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4290

Males

3646

M18-39

3646

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1589

Males

1478

M18-39

1478

Passing Analysis

Category:
Athletes Passed
2211
Passed By
1337
Net Change
+874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7363
5K → 10K113357-244#7363#7607
10K → 15K118152-34#7607#7641
15K → 20K51467-416#7641#8057
20K → Half3616+20#8057#8037
Half → 25K104199-95#8037#8132
25K → 30K26187+174#8132#7958
30K → 20M16226+136#7958#7822
20M → 21M2703+267#7822#7555
21M → 35K10312+91#7555#7464
35K → 23M2069+197#7464#7267
23M → 24M2044+200#7267#7067
24M → 40K1723+169#7067#6898
40K → 25.2M832+81#6898#6817
25.2M → Finish3280+328#6817#6489
TOTALS22111337+874
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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