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BOSTON MARATHON 2025

Chao Wang

Bib: 6519•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
32:11
Rank: #26433
Start → 5K
32:11 | 10:22/mi
10K· 6.21 mi
1:08:29
Rank: #27340 (-907)
5K → 10K
36:18 | 11:41/mi
15K· 9.32 mi
1:44:08
Rank: #27282 (+58)
10K → 15K
35:39 | 11:28/mi
20K· 12.43 mi
2:21:05
Rank: #27218 (+64)
15K → 20K
36:57 | 11:54/mi
Half· 13.11 mi
2:28:24
Rank: #27167 (+51)
20K → Half
7:19 | 10:43/mi
25K· 15.53 mi
2:56:07
Rank: #26953 (+214)
Half → 25K
27:43 | 11:26/mi
30K· 18.64 mi
3:32:37
Rank: #26661 (+292)
25K → 30K
36:30 | 11:45/mi
20M
3:47:28
Rank: #26491 (+170)
30K → 20M
14:51 | 10:56/mi
21M
4:03:28
Rank: #26598 (-107)
20M → 21M
16:00 | 16:00/mi
35K· 21.75 mi
4:15:27
Rank: #26771 (-173)
21M → 35K
11:59 | 16:01/mi
23M
4:30:44
Rank: #26693 (+78)
35K → 23M
15:17 | 12:12/mi
24M
4:41:28
Rank: #26601 (+92)
23M → 24M
10:44 | 10:44/mi
40K· 24.85 mi
4:51:04
Rank: #26535 (+66)
24M → 40K
9:36 | 11:14/mi
25.2M
4:55:02
Rank: #26491 (+44)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
5:05:42
Rank: #26422 (+69)
25.2M → Finish
10:40 | 10:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:24
Pace11:19 /mi
2nd Half
Distance13.11 mi
Time2:37:18
Pace12:00 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0432:1110:2232:11
10:22
-
10K
6.21 mi12:00:221:08:2911:0136:18
11:41
+1:19
15K
9.32 mi12:36:011:44:0811:1035:39
11:28
-0:13
20K
12.43 mi13:12:582:21:0511:2136:57
11:54
+0:26
Half
13.11 mi13:20:172:28:2411:197:19
10:43
-1:11
25K
15.53 mi13:48:002:56:0711:2027:43
11:26
+0:43
30K
18.64 mi14:24:303:32:3711:2436:30
11:45
+0:19
20M
20.00 mi14:39:213:47:2811:2214:51
10:56
-0:49
21M
21.00 mi14:55:214:03:2811:3616:00
16:00
+5:04
35K
21.75 mi15:07:204:15:2711:4511:59
16:01
+0:01
23M
23.00 mi15:22:374:30:4411:4615:17
12:12
-3:49
24M
24.00 mi15:33:214:41:2811:4410:44
10:44
-1:28
40K
24.85 mi15:42:574:51:0411:439:36
11:14
+0:30
25.2M
25.20 mi15:46:554:55:0211:423:58
11:30
+0:16
Finish
26.22 mi15:57:355:05:4211:4010:40
10:28
-1:02

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

10:22 /mi

Average Pace

11:40 /mi

Slowest Pace

16:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:51

14% of race

Time at Steady Pace

3:54:52

77% of race

Time at Slower Pace

27:59

9% of race

Average Pace: 11:40 /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 mi11:24:0432:1110:2232:11
10:22
#26433
10K
6.21 mi12:00:221:08:2911:0136:18
11:41
#27340
15K
9.32 mi12:36:011:44:0811:1035:39
11:28
#27282
20K
12.43 mi13:12:582:21:0511:2136:57
11:54
#27218
Half
13.11 mi13:20:172:28:2411:197:19
10:43
#27167
25K
15.53 mi13:48:002:56:0711:2027:43
11:26
#26953
30K
18.64 mi14:24:303:32:3711:2436:30
11:45
#26661
20M
20.00 mi14:39:213:47:2811:2214:51
10:56
#26491
21M
21.00 mi14:55:214:03:2811:3616:00
16:00
#26598
35K
21.75 mi15:07:204:15:2711:4511:59
16:01
#26771
23M
23.00 mi15:22:374:30:4411:4615:17
12:12
#26693
24M
24.00 mi15:33:214:41:2811:4410:44
10:44
#26601
40K
24.85 mi15:42:574:51:0411:439:36
11:14
#26535
25.2M
25.20 mi15:46:554:55:0211:423:58
11:30
#26491
Finish
26.22 mi15:57:355:05:4211:4010:40
10:28
#26422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26433153711537127209(Top 96%)15647(Top 97%)15647(Top 277%)
10K6.21 mi3.10 mi27340-90715715-34415715-34427743(Top 98%)15869(Top 99%)15869(Top 281%)
15K9.32 mi3.11 mi27282+5815698+1715698+1727209(Top 96%)15647(Top 97%)15647(Top 277%)
20K12.43 mi3.11 mi27218+6415656+4215656+4227028(Top 95%)15551(Top 97%)15551(Top 276%)
Half13.11 mi0.68 mi27167+5115635+2115635+2126135(Top 92%)15165(Top 94%)15165(Top 269%)
25K15.53 mi2.42 mi26953+21415531+10415531+10425776(Top 91%)14974(Top 93%)14974(Top 265%)
30K18.64 mi3.11 mi26661+29215395+13615395+13625221(Top 89%)14638(Top 91%)14638(Top 259%)
20M20.00 mi1.36 mi26491+17015311+8415311+8423453(Top 83%)13742(Top 85%)13742(Top 244%)
21M21.00 mi1.00 mi26598-10715346-3515346-3527809(Top 98%)15777(Top 98%)15777(Top 280%)
35K21.75 mi0.75 mi26771-17315412-6615412-6628242(Top 99%)16000(Top 99%)16000(Top 284%)
23M23.00 mi1.25 mi26693+7815364+4815364+4825410(Top 89%)14536(Top 90%)14536(Top 258%)
24M24.00 mi1.00 mi26601+9215317+4715317+4723401(Top 82%)13517(Top 84%)13517(Top 240%)
40K24.85 mi0.85 mi26535+6615291+2615291+2623627(Top 83%)13575(Top 84%)13575(Top 241%)
25.2M25.20 mi0.35 mi26491+4415269+2215269+2222059(Top 78%)12834(Top 80%)12834(Top 227%)
Finish26.22 mi1.02 mi26422+6915229+4015229+4024211(Top 85%)13879(Top 86%)13879(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27209

Males

15647

M18-39

15647

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

27743

Males

15869

M18-39

15869

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27209

Males

15647

M18-39

15647

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27028

Males

15551

M18-39

15551

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26135

Males

15165

M18-39

15165

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25776

Males

14974

M18-39

14974

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25221

Males

14638

M18-39

14638

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23453

Males

13742

M18-39

13742

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27809

Males

15777

M18-39

15777

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28242

Males

16000

M18-39

16000

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25410

Males

14536

M18-39

14536

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23401

Males

13517

M18-39

13517

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23627

Males

13575

M18-39

13575

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22059

Males

12834

M18-39

12834

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24211

Males

13879

M18-39

13879

Passing Analysis

Category:
Athletes Passed
1396
Passed By
1385
Net Change
+11
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26433
5K → 10K12919-907#26433#27340
10K → 15K13274+58#27340#27282
15K → 20K12763+64#27282#27218
20K → Half521+51#27218#27167
Half → 25K2217+214#27167#26953
25K → 30K2986+292#26953#26661
30K → 20M1711+170#26661#26491
20M → 21M14121-107#26491#26598
21M → 35K1174-173#26598#26771
35K → 23M868+78#26771#26693
23M → 24M931+92#26693#26601
24M → 40K715+66#26601#26535
40K → 25.2M451+44#26535#26491
25.2M → Finish734+69#26491#26422
TOTALS13961385+11
📊

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