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BOSTON MARATHON 2025

Yingnan Chen

Bib: 32167•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
23:31
Rank: #12844
Start → 5K
23:31 | 7:34/mi
10K· 6.21 mi
46:48
Rank: #12417 (+427)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:10:17
Rank: #12335 (+82)
10K → 15K
23:29 | 7:34/mi
20K· 12.43 mi
1:34:54
Rank: #12794 (-459)
15K → 20K
24:37 | 7:55/mi
Half· 13.11 mi
1:40:48
Rank: #13258 (-464)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:02:46
Rank: #14742 (-1484)
Half → 25K
21:58 | 9:04/mi
30K· 18.64 mi
2:33:58
Rank: #16585 (-1843)
25K → 30K
31:12 | 10:03/mi
20M
2:47:01
Rank: #16823 (-238)
30K → 20M
13:03 | 9:36/mi
21M
2:58:23
Rank: #17322 (-499)
20M → 21M
11:22 | 11:22/mi
35K· 21.75 mi
3:06:00
Rank: #17623 (-301)
21M → 35K
7:37 | 10:11/mi
23M
3:18:30
Rank: #17857 (-234)
35K → 23M
12:30 | 9:59/mi
24M
3:27:42
Rank: #17867 (-10)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:35:18
Rank: #17772 (+95)
24M → 40K
7:36 | 8:53/mi
25.2M
3:38:37
Rank: #17717 (+55)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:46:50
Rank: #17558 (+159)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:48
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time2:06:02
Pace9:37 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4823:317:3423:31
7:34
-
10K
6.21 mi12:11:0546:487:3223:17
7:30
-0:04
15K
9.32 mi12:34:341:10:177:3223:29
7:34
+0:04
20K
12.43 mi12:59:111:34:547:3824:37
7:55
+0:21
Half
13.11 mi13:05:051:40:487:415:54
8:39
+0:44
25K
15.53 mi13:27:032:02:467:5421:58
9:04
+0:25
30K
18.64 mi13:58:152:33:588:1631:12
10:03
+0:59
20M
20.00 mi14:11:182:47:018:2113:03
9:36
-0:27
21M
21.00 mi14:22:402:58:238:3011:22
11:22
+1:46
35K
21.75 mi14:30:173:06:008:337:37
10:11
-1:11
23M
23.00 mi14:42:473:18:308:3812:30
9:59
-0:12
24M
24.00 mi14:51:593:27:428:399:12
9:12
-0:47
40K
24.85 mi14:59:353:35:188:407:36
8:53
-0:19
25.2M
25.20 mi15:02:543:38:378:413:19
9:37
+0:44
Finish
26.22 mi15:11:073:46:508:398:13
8:04
-1:33

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

7:30 /mi

Average Pace

8:39 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:07

45% of race

Time at Steady Pace

1:01:02

27% of race

Time at Slower Pace

1:02:41

28% of race

Average Pace: 8:39 /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 mi11:47:4823:317:3423:31
7:34
#12844
10K
6.21 mi12:11:0546:487:3223:17
7:30
#12417
15K
9.32 mi12:34:341:10:177:3223:29
7:34
#12335
20K
12.43 mi12:59:111:34:547:3824:37
7:55
#12794
Half
13.11 mi13:05:051:40:487:415:54
8:39
#13258
25K
15.53 mi13:27:032:02:467:5421:58
9:04
#14742
30K
18.64 mi13:58:152:33:588:1631:12
10:03
#16585
20M
20.00 mi14:11:182:47:018:2113:03
9:36
#16823
21M
21.00 mi14:22:402:58:238:3011:22
11:22
#17322
35K
21.75 mi14:30:173:06:008:337:37
10:11
#17623
23M
23.00 mi14:42:473:18:308:3812:30
9:59
#17857
24M
24.00 mi14:51:593:27:428:399:12
9:12
#17867
40K
24.85 mi14:59:353:35:188:407:36
8:53
#17772
25.2M
25.20 mi15:02:543:38:378:413:19
9:37
#17717
Finish
26.22 mi15:11:073:46:508:398:13
8:04
#17558
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi128449580958012251(Top 43%)9179(Top 57%)9179(Top 163%)
10K6.21 mi3.10 mi12417+4279364+2169364+21612040(Top 42%)9172(Top 57%)9172(Top 163%)
15K9.32 mi3.11 mi12335+829282+829282+8212251(Top 43%)9179(Top 57%)9179(Top 163%)
20K12.43 mi3.11 mi12794-4599433-1519433-15114299(Top 50%)10013(Top 62%)10013(Top 177%)
Half13.11 mi0.68 mi13258-4649629-1969629-19620018(Top 70%)12459(Top 77%)12459(Top 221%)
25K15.53 mi2.42 mi14742-148410228-59910228-59920165(Top 71%)12481(Top 77%)12481(Top 221%)
30K18.64 mi3.11 mi16585-184310964-73610964-73621710(Top 76%)13031(Top 81%)13031(Top 231%)
20M20.00 mi1.36 mi16823-23811044-8011044-8019607(Top 69%)11969(Top 74%)11969(Top 212%)
21M21.00 mi1.00 mi17322-49911201-15711201-15722296(Top 78%)13103(Top 81%)13103(Top 232%)
35K21.75 mi0.75 mi17623-30111320-11911320-11922356(Top 79%)13078(Top 81%)13078(Top 232%)
23M23.00 mi1.25 mi17857-23411392-7211392-7220412(Top 72%)12112(Top 75%)12112(Top 215%)
24M24.00 mi1.00 mi17867-1011358+3411358+3418335(Top 65%)11074(Top 69%)11074(Top 196%)
40K24.85 mi0.85 mi17772+9511300+5811300+5815684(Top 55%)9763(Top 61%)9763(Top 173%)
25.2M25.20 mi0.35 mi17717+5511263+3711263+3715157(Top 53%)9496(Top 59%)9496(Top 168%)
Finish26.22 mi1.02 mi17558+15911169+9411169+9413312(Top 47%)8678(Top 54%)8678(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12251

Males

9179

M18-39

9179

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

12040

Males

9172

M18-39

9172

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12251

Males

9179

M18-39

9179

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14299

Males

10013

M18-39

10013

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

20018

Males

12459

M18-39

12459

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20165

Males

12481

M18-39

12481

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21710

Males

13031

M18-39

13031

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19607

Males

11969

M18-39

11969

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22296

Males

13103

M18-39

13103

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22356

Males

13078

M18-39

13078

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20412

Males

12112

M18-39

12112

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18335

Males

11074

M18-39

11074

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15684

Males

9763

M18-39

9763

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15157

Males

9496

M18-39

9496

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13312

Males

8678

M18-39

8678

Passing Analysis

Category:
Athletes Passed
1466
Passed By
6180
Net Change
-4714
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12844
5K → 10K547120+427#12844#12417
10K → 15K222140+82#12417#12335
15K → 20K86545-459#12335#12794
20K → Half2466-464#12794#13258
Half → 25K241508-1484#13258#14742
25K → 30K161859-1843#14742#16585
30K → 20M42280-238#16585#16823
20M → 21M37536-499#16823#17322
21M → 35K17318-301#17322#17623
35K → 23M53287-234#17623#17857
23M → 24M7888-10#17857#17867
24M → 40K11015+95#17867#17772
40K → 25.2M649+55#17772#17717
25.2M → Finish1689+159#17717#17558
TOTALS14666180-4714
📊

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