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BOSTON MARATHON 2025

Yanbo Zhang

Bib: 4418•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #3034
Start → 5K
19:51 | 6:23/mi
10K· 6.21 mi
39:42
Rank: #2971 (+63)
5K → 10K
19:51 | 6:23/mi
15K· 9.32 mi
59:20
Rank: #2766 (+205)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:19:03
Rank: #2610 (+156)
15K → 20K
19:43 | 6:21/mi
Half· 13.11 mi
1:23:20
Rank: #2599 (+11)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:57
Rank: #2571 (+28)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
1:59:46
Rank: #2580 (-9)
25K → 30K
20:49 | 6:42/mi
20M
2:08:58
Rank: #2565 (+15)
30K → 20M
9:12 | 6:46/mi
21M
2:16:18
Rank: #2608 (-43)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:21:24
Rank: #2653 (-45)
21M → 35K
5:06 | 6:49/mi
23M
2:30:06
Rank: #2661 (-8)
35K → 23M
8:42 | 6:57/mi
24M
2:37:08
Rank: #2717 (-56)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:43:12
Rank: #2728 (-11)
24M → 40K
6:04 | 7:06/mi
25.2M
2:45:50
Rank: #2730 (-2)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:52:31
Rank: #2721 (+9)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:20
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:29:11
Pace6:48 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4919:516:2319:51
6:23
-
10K
6.21 mi10:41:4039:426:2319:51
6:23
0:00
15K
9.32 mi11:01:1859:206:2219:38
6:19
-0:04
20K
12.43 mi11:21:011:19:036:2219:43
6:21
+0:02
Half
13.11 mi11:25:181:23:206:214:17
6:17
-0:04
25K
15.53 mi11:40:551:38:576:2215:37
6:26
+0:09
30K
18.64 mi12:01:441:59:466:2520:49
6:42
+0:16
20M
20.00 mi12:10:562:08:586:279:12
6:46
+0:04
21M
21.00 mi12:18:162:16:186:297:20
7:20
+0:34
35K
21.75 mi12:23:222:21:246:305:06
6:49
-0:31
23M
23.00 mi12:32:042:30:066:328:42
6:57
+0:08
24M
24.00 mi12:39:062:37:086:337:02
7:02
+0:05
40K
24.85 mi12:45:102:43:126:346:04
7:06
+0:04
25.2M
25.20 mi12:47:482:45:506:352:38
7:38
+0:32
Finish
26.22 mi12:54:292:52:316:356:41
6:34
-1:04

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

6:17 /mi

Average Pace

6:35 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:57

57% of race

Time at Steady Pace

41:48

24% of race

Time at Slower Pace

31:46

18% of race

Average Pace: 6:35 /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 mi10:21:4919:516:2319:51
6:23
#3034
10K
6.21 mi10:41:4039:426:2319:51
6:23
#2971
15K
9.32 mi11:01:1859:206:2219:38
6:19
#2766
20K
12.43 mi11:21:011:19:036:2219:43
6:21
#2610
Half
13.11 mi11:25:181:23:206:214:17
6:17
#2599
25K
15.53 mi11:40:551:38:576:2215:37
6:26
#2571
30K
18.64 mi12:01:441:59:466:2520:49
6:42
#2580
20M
20.00 mi12:10:562:08:586:279:12
6:46
#2565
21M
21.00 mi12:18:162:16:186:297:20
7:20
#2608
35K
21.75 mi12:23:222:21:246:305:06
6:49
#2653
23M
23.00 mi12:32:042:30:066:328:42
6:57
#2661
24M
24.00 mi12:39:062:37:086:337:02
7:02
#2717
40K
24.85 mi12:45:102:43:126:346:04
7:06
#2728
25.2M
25.20 mi12:47:482:45:506:352:38
7:38
#2730
Finish
26.22 mi12:54:292:52:316:356:41
6:34
#2721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3034288128812446(Top 9%)2335(Top 14%)2335(Top 41%)
10K6.21 mi3.10 mi2971+632825+562825+562957(Top 10%)2815(Top 17%)2815(Top 50%)
15K9.32 mi3.11 mi2766+2052636+1892636+1892446(Top 9%)2335(Top 14%)2335(Top 41%)
20K12.43 mi3.11 mi2610+1562490+1462490+1462252(Top 8%)2146(Top 13%)2146(Top 38%)
Half13.11 mi0.68 mi2599+112482+82482+82384(Top 8%)2281(Top 14%)2281(Top 40%)
25K15.53 mi2.42 mi2571+282455+272455+272553(Top 9%)2428(Top 15%)2428(Top 43%)
30K18.64 mi3.11 mi2580-92464-92464-92879(Top 10%)2717(Top 17%)2717(Top 48%)
20M20.00 mi1.36 mi2565+152449+152449+152755(Top 10%)2580(Top 16%)2580(Top 46%)
21M21.00 mi1.00 mi2608-432485-362485-363743(Top 13%)3406(Top 21%)3406(Top 60%)
35K21.75 mi0.75 mi2653-452527-422527-424155(Top 15%)3708(Top 23%)3708(Top 66%)
23M23.00 mi1.25 mi2661-82528-12528-13441(Top 12%)3124(Top 19%)3124(Top 55%)
24M24.00 mi1.00 mi2717-562575-472575-474779(Top 17%)4093(Top 25%)4093(Top 73%)
40K24.85 mi0.85 mi2728-112586-112586-114401(Top 15%)3769(Top 23%)3769(Top 67%)
25.2M25.20 mi0.35 mi2730-22585+12585+13958(Top 14%)3374(Top 21%)3374(Top 60%)
Finish26.22 mi1.02 mi2721+92574+112574+113068(Top 11%)2723(Top 17%)2723(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2446

Males

2335

M18-39

2335

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2957

Males

2815

M18-39

2815

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2446

Males

2335

M18-39

2335

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2252

Males

2146

M18-39

2146

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2384

Males

2281

M18-39

2281

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2553

Males

2428

M18-39

2428

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2879

Males

2717

M18-39

2717

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2755

Males

2580

M18-39

2580

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3743

Males

3406

M18-39

3406

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4155

Males

3708

M18-39

3708

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3441

Males

3124

M18-39

3124

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4779

Males

4093

M18-39

4093

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4401

Males

3769

M18-39

3769

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3958

Males

3374

M18-39

3374

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3068

Males

2723

M18-39

2723

Passing Analysis

Category:
Athletes Passed
1022
Passed By
709
Net Change
+313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3034
5K → 10K16198+63#3034#2971
10K → 15K21712+205#2971#2766
15K → 20K17014+156#2766#2610
20K → Half176+11#2610#2599
Half → 25K7951+28#2599#2571
25K → 30K8695-9#2571#2580
30K → 20M6348+15#2580#2565
20M → 21M3578-43#2565#2608
21M → 35K2166-45#2608#2653
35K → 23M4957-8#2653#2661
23M → 24M3086-56#2661#2717
24M → 40K3849-11#2717#2728
40K → 25.2M1719-2#2728#2730
25.2M → Finish3930+9#2730#2721
TOTALS1022709+313
📊

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