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BOSTON MARATHON 2025

Zhong Wu

Bib: 11904•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:22
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:31:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:36:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:54:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:18:49
↑ 181↓ 1480.2%
20M
7:44/mi
2:29:20
↑ 64↓ 500.2%
21M
7:58/mi
2:37:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:42:36
↑ 17↓ 861.7%
23M
7:14/mi
2:51:40
↑ 23↓ 630.6%
24M
7:08/mi
2:58:48
↓ 821.3%
40K· 24.85 mi
7:07/mi
3:04:53
↓ 200.3%
25.2M
7:32/mi
3:07:29
↑ 13↓ 160.2%
Finish· 26.22 mi
6:37/mi
3:14:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:49
Pace7:23 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:37:25
Pace7:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5822:377:1722:37
7:17
-
10K
6.21 mi11:12:3845:177:1722:40
7:18
+0:01
15K
9.32 mi11:35:431:08:227:2023:05
7:26
+0:08
20K
12.43 mi11:59:121:31:517:2323:29
7:34
+0:08
Half
13.11 mi12:04:101:36:497:234:58
7:17
-0:17
25K
15.53 mi12:22:141:54:537:2418:04
7:27
+0:10
30K
18.64 mi12:46:102:18:497:2723:56
7:42
+0:15
20M
20.00 mi12:56:412:29:207:2810:31
7:44
+0:02
21M
21.00 mi13:04:392:37:187:297:58
7:58
+0:14
35K
21.75 mi13:09:572:42:367:295:18
7:05
-0:53
23M
23.00 mi13:19:012:51:407:289:04
7:14
+0:09
24M
24.00 mi13:26:092:58:487:277:08
7:08
-0:06
40K
24.85 mi13:32:143:04:537:266:05
7:07
-0:01
25.2M
25.20 mi13:34:503:07:297:262:36
7:32
+0:25
Finish
26.22 mi13:41:353:14:147:256:45
6:37
-0:55

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

6:37 /mi

Average Pace

7:25 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:16

13% of race

Time at Steady Pace

1:40:28

52% of race

Time at Slower Pace

1:08:30

35% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:5822:377:1722:37
7:17
#10136
10K
6.21 mi11:12:3845:177:1722:40
7:18
#10229
15K
9.32 mi11:35:431:08:227:2023:05
7:26
#10522
20K
12.43 mi11:59:121:31:517:2323:29
7:34
#10668
Half
13.11 mi12:04:101:36:497:234:58
7:17
#10617
25K
15.53 mi12:22:141:54:537:2418:04
7:27
#10409
30K
18.64 mi12:46:102:18:497:2723:56
7:42
#10111
20M
20.00 mi12:56:412:29:207:2810:31
7:44
#9923
21M
21.00 mi13:04:392:37:187:297:58
7:58
#9727
35K
21.75 mi13:09:572:42:367:295:18
7:05
#9547
23M
23.00 mi13:19:012:51:407:289:04
7:14
#9179
24M
24.00 mi13:26:092:58:487:277:08
7:08
#8953
40K
24.85 mi13:32:143:04:537:266:05
7:07
#8697
25.2M
25.20 mi13:34:503:07:297:262:36
7:32
#8570
Finish
26.22 mi13:41:353:14:147:256:45
6:37
#8301
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi101368243824311128(Top 39%)8658(Top 54%)8658(Top 363%)
10K6.21 mi3.10 mi10229-938282-398282-3910296(Top 36%)8304(Top 52%)8304(Top 348%)
15K9.32 mi3.11 mi10522-2938403-1218403-12111128(Top 39%)8658(Top 54%)8658(Top 363%)
20K12.43 mi3.11 mi10668-1468457-548457-5411215(Top 39%)8594(Top 53%)8594(Top 360%)
Half13.11 mi0.68 mi10617+518430+278430+279732(Top 34%)7860(Top 49%)7860(Top 329%)
25K15.53 mi2.42 mi10409+2088291+1398291+1399536(Top 34%)7612(Top 47%)7612(Top 319%)
30K18.64 mi3.11 mi10111+2988066+2258066+2259201(Top 32%)7250(Top 45%)7250(Top 304%)
20M20.00 mi1.36 mi9923+1887942+1247942+1248609(Top 30%)6788(Top 42%)6788(Top 284%)
21M21.00 mi1.00 mi9727+1967808+1347808+1347162(Top 25%)5777(Top 36%)5777(Top 242%)
35K21.75 mi0.75 mi9547+1807689+1197689+1195915(Top 21%)5014(Top 31%)5014(Top 210%)
23M23.00 mi1.25 mi9179+3687438+2517438+2515137(Top 18%)4421(Top 27%)4421(Top 185%)
24M24.00 mi1.00 mi8953+2267274+1647274+1645423(Top 19%)4557(Top 28%)4557(Top 191%)
40K24.85 mi0.85 mi8697+2567086+1887086+1884588(Top 16%)3920(Top 24%)3920(Top 164%)
25.2M25.20 mi0.35 mi8570+1276998+886998+883633(Top 13%)3177(Top 20%)3177(Top 133%)
Finish26.22 mi1.02 mi8301+2696807+1916807+1913488(Top 12%)3057(Top 19%)3057(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11128

Males

8658

M45-49

8658

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10296

Males

8304

M45-49

8304

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11128

Males

8658

M45-49

8658

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11215

Males

8594

M45-49

8594

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9732

Males

7860

M45-49

7860

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9536

Males

7612

M45-49

7612

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9201

Males

7250

M45-49

7250

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8609

Males

6788

M45-49

6788

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7162

Males

5777

M45-49

5777

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5915

Males

5014

M45-49

5014

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5137

Males

4421

M45-49

4421

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5423

Males

4557

M45-49

4557

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4588

Males

3920

M45-49

3920

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3633

Males

3177

M45-49

3177

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3488

Males

3057

M45-49

3057

Passing Analysis

Category:
Athletes Passed
2981*
Passed By
1144
Net Change
+1835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10136
5K → 10K196288-93#10136#10229
10K → 15K89382-293#10229#10522
15K → 20K121267-146#10522#10668
20K → Half6514+51#10668#10617
Half → 25K26557+208#10617#10409
25K → 30K38384+298#10409#10111
30K → 20M218*30+188#10111#9923
20M → 21M20913+196#9923#9727
21M → 35K1822+180#9727#9547
35K → 23M3702+368#9547#9179
23M → 24M2271+226#9179#8953
24M → 40K2582+256#8953#8697
40K → 25.2M1281+127#8697#8570
25.2M → Finish2701+269#8570#8301
TOTALS2981*1144+1835

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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