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BOSTON MARATHON 2025

Chundao Che

Bib: 8510•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M60-64)
#0 / 1259
Top 0.9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:31
Rank: #7254
Start → 5K
21:31 | 6:56/mi
10K· 6.21 mi
42:33
Rank: #6731 (+523)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:45
Rank: #6564 (+167)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:51
Rank: #6197 (+367)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:29:21
Rank: #6088 (+109)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:45:47
Rank: #5804 (+284)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:07:27
Rank: #5497 (+307)
25K → 30K
21:40 | 6:58/mi
20M
2:17:02
Rank: #5378 (+119)
30K → 20M
9:35 | 7:03/mi
21M
2:24:16
Rank: #5198 (+180)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:29:22
Rank: #5142 (+56)
21M → 35K
5:06 | 6:49/mi
23M
2:38:08
Rank: #5011 (+131)
35K → 23M
8:46 | 7:00/mi
24M
2:44:50
Rank: #4873 (+138)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:50:41
Rank: #4764 (+109)
24M → 40K
5:51 | 6:51/mi
25.2M
2:53:08
Rank: #4681 (+83)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:59:39
Rank: #4577 (+104)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:21
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:18
Pace6:53 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3821:316:5621:31
6:56
-
10K
6.21 mi11:07:4042:336:5121:02
6:46
-0:10
15K
9.32 mi11:28:521:03:456:5021:12
6:49
+0:03
20K
12.43 mi11:49:581:24:516:5021:06
6:47
-0:02
Half
13.11 mi11:54:281:29:216:494:30
6:36
-0:11
25K
15.53 mi12:10:541:45:476:4916:26
6:47
+0:11
30K
18.64 mi12:32:342:07:276:5021:40
6:58
+0:11
20M
20.00 mi12:42:092:17:026:519:35
7:03
+0:05
21M
21.00 mi12:49:232:24:166:527:14
7:14
+0:11
35K
21.75 mi12:54:292:29:226:525:06
6:49
-0:25
23M
23.00 mi13:03:152:38:086:538:46
7:00
+0:11
24M
24.00 mi13:09:572:44:506:526:42
6:42
-0:18
40K
24.85 mi13:15:482:50:416:525:51
6:51
+0:09
25.2M
25.20 mi13:18:152:53:086:522:27
7:06
+0:15
Finish
26.22 mi13:24:462:59:396:516:31
6:24
-0:42

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

6:24 /mi

Average Pace

6:51 /mi

Slowest Pace

7:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:23

89% of race

Time at Steady Pace

19:16

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:46:3821:316:5621:31
6:56
#7254
10K
6.21 mi11:07:4042:336:5121:02
6:46
#6731
15K
9.32 mi11:28:521:03:456:5021:12
6:49
#6564
20K
12.43 mi11:49:581:24:516:5021:06
6:47
#6197
Half
13.11 mi11:54:281:29:216:494:30
6:36
#6088
25K
15.53 mi12:10:541:45:476:4916:26
6:47
#5804
30K
18.64 mi12:32:342:07:276:5021:40
6:58
#5497
20M
20.00 mi12:42:092:17:026:519:35
7:03
#5378
21M
21.00 mi12:49:232:24:166:527:14
7:14
#5198
35K
21.75 mi12:54:292:29:226:525:06
6:49
#5142
23M
23.00 mi13:03:152:38:086:538:46
7:00
#5011
24M
24.00 mi13:09:572:44:506:526:42
6:42
#4873
40K
24.85 mi13:15:482:50:416:525:51
6:51
#4764
25.2M
25.20 mi13:18:152:53:086:522:27
7:06
#4681
Finish
26.22 mi13:24:462:59:396:516:31
6:24
#4577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi7254648564856317(Top 22%)5718(Top 36%)5718(Top 454%)
10K6.21 mi3.10 mi6731+5236085+4006085+4006053(Top 21%)5530(Top 34%)5530(Top 439%)
15K9.32 mi3.11 mi6564+1675933+1525933+1526317(Top 22%)5718(Top 36%)5718(Top 454%)
20K12.43 mi3.11 mi6197+3675642+2915642+2915216(Top 18%)4805(Top 30%)4805(Top 382%)
Half13.11 mi0.68 mi6088+1095553+895553+894415(Top 16%)4137(Top 26%)4137(Top 329%)
25K15.53 mi2.42 mi5804+2845304+2495304+2494709(Top 17%)4338(Top 27%)4338(Top 345%)
30K18.64 mi3.11 mi5497+3075036+2685036+2684547(Top 16%)4155(Top 26%)4155(Top 330%)
20M20.00 mi1.36 mi5378+1194924+1124924+1124427(Top 16%)4033(Top 25%)4033(Top 320%)
21M21.00 mi1.00 mi5198+1804767+1574767+1573312(Top 12%)3050(Top 19%)3050(Top 242%)
35K21.75 mi0.75 mi5142+564714+534714+534242(Top 15%)3795(Top 24%)3795(Top 301%)
23M23.00 mi1.25 mi5011+1314591+1234591+1233783(Top 13%)3406(Top 21%)3406(Top 271%)
24M24.00 mi1.00 mi4873+1384464+1274464+1273010(Top 11%)2734(Top 17%)2734(Top 217%)
40K24.85 mi0.85 mi4764+1094370+944370+943082(Top 11%)2778(Top 17%)2778(Top 221%)
25.2M25.20 mi0.35 mi4681+834293+774293+771856(Top 7%)1695(Top 11%)1695(Top 135%)
Finish26.22 mi1.02 mi4577+1044196+974196+972318(Top 8%)2121(Top 13%)2121(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6317

Males

5718

M60-64

5718

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6053

Males

5530

M60-64

5530

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6317

Males

5718

M60-64

5718

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5216

Males

4805

M60-64

4805

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4415

Males

4137

M60-64

4137

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4709

Males

4338

M60-64

4338

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4547

Males

4155

M60-64

4155

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4427

Males

4033

M60-64

4033

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3312

Males

3050

M60-64

3050

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4242

Males

3795

M60-64

3795

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3783

Males

3406

M60-64

3406

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3010

Males

2734

M60-64

2734

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3082

Males

2778

M60-64

2778

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1856

Males

1695

M60-64

1695

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2318

Males

2121

M60-64

2121

Passing Analysis

Category:
Athletes Passed
2926
Passed By
249
Net Change
+2677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7254
5K → 10K55330+523#7254#6731
10K → 15K24376+167#6731#6564
15K → 20K3736+367#6564#6197
20K → Half1090+109#6197#6088
Half → 25K29511+284#6088#5804
25K → 30K34033+307#5804#5497
30K → 20M14526+119#5497#5378
20M → 21M1899+180#5378#5198
21M → 35K7115+56#5198#5142
35K → 23M15221+131#5142#5011
23M → 24M1424+138#5011#4873
24M → 40K1178+109#4873#4764
40K → 25.2M841+83#4764#4681
25.2M → Finish1139+104#4681#4577
TOTALS2926249+2677
📊

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