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BOSTON MARATHON 2025

Daqing Chen

Bib: 19006•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #14073
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
48:04
Rank: #14187 (-114)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:12:35
Rank: #14510 (-323)
10K → 15K
24:31 | 7:53/mi
20K· 12.43 mi
1:37:49
Rank: #14836 (-326)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:43:21
Rank: #14947 (-111)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:04:05
Rank: #15440 (-493)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:37:34
Rank: #17799 (-2359)
25K → 30K
33:29 | 10:47/mi
20M
2:55:26
Rank: #19411 (-1612)
30K → 20M
17:52 | 13:09/mi
21M
3:08:20
Rank: #20028 (-617)
20M → 21M
12:54 | 12:54/mi
35K· 21.75 mi
3:15:28
Rank: #20059 (-31)
21M → 35K
7:08 | 9:32/mi
23M
3:27:57
Rank: #20113 (-54)
35K → 23M
12:29 | 9:58/mi
24M
3:37:42
Rank: #20151 (-38)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:45:40
Rank: #20057 (+94)
24M → 40K
7:58 | 9:19/mi
25.2M
3:49:30
Rank: #20103 (-46)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:58:30
Rank: #20056 (+47)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:21
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time2:15:09
Pace10:19 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3723:587:4323:58
7:43
-
10K
6.21 mi11:38:4348:047:4424:06
7:45
+0:02
15K
9.32 mi12:03:141:12:357:4724:31
7:53
+0:08
20K
12.43 mi12:28:281:37:497:5225:14
8:07
+0:14
Half
13.11 mi12:34:001:43:217:535:32
8:07
0:00
25K
15.53 mi12:54:442:04:057:5920:44
8:33
+0:26
30K
18.64 mi13:28:132:37:348:2733:29
10:47
+2:14
20M
20.00 mi13:46:052:55:268:4617:52
13:09
+2:22
21M
21.00 mi13:58:593:08:208:5812:54
12:54
-0:15
35K
21.75 mi14:06:073:15:288:597:08
9:32
-3:22
23M
23.00 mi14:18:363:27:579:0212:29
9:58
+0:26
24M
24.00 mi14:28:213:37:429:049:45
9:45
-0:13
40K
24.85 mi14:36:193:45:409:057:58
9:19
-0:26
25.2M
25.20 mi14:40:093:49:309:063:50
11:07
+1:48
Finish
26.22 mi14:49:093:58:309:069:00
8:50
-2:17

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

7:43 /mi

Average Pace

9:06 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:21

43% of race

Time at Steady Pace

1:07:04

28% of race

Time at Slower Pace

1:08:05

29% of race

Average Pace: 9:06 /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 mi11:14:3723:587:4323:58
7:43
#14073
10K
6.21 mi11:38:4348:047:4424:06
7:45
#14187
15K
9.32 mi12:03:141:12:357:4724:31
7:53
#14510
20K
12.43 mi12:28:281:37:497:5225:14
8:07
#14836
Half
13.11 mi12:34:001:43:217:535:32
8:07
#14947
25K
15.53 mi12:54:442:04:057:5920:44
8:33
#15440
30K
18.64 mi13:28:132:37:348:2733:29
10:47
#17799
20M
20.00 mi13:46:052:55:268:4617:52
13:09
#19411
21M
21.00 mi13:58:593:08:208:5812:54
12:54
#20028
35K
21.75 mi14:06:073:15:288:597:08
9:32
#20059
23M
23.00 mi14:18:363:27:579:0212:29
9:58
#20113
24M
24.00 mi14:28:213:37:429:049:45
9:45
#20151
40K
24.85 mi14:36:193:45:409:057:58
9:19
#20057
25.2M
25.20 mi14:40:093:49:309:063:50
11:07
#20103
Finish
26.22 mi14:49:093:58:309:069:00
8:50
#20056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14073100721007215143(Top 53%)10431(Top 65%)10431(Top 829%)
10K6.21 mi3.10 mi14187-11410092-2010092-2014373(Top 51%)10148(Top 63%)10148(Top 806%)
15K9.32 mi3.11 mi14510-32310204-11210204-11215143(Top 53%)10431(Top 65%)10431(Top 829%)
20K12.43 mi3.11 mi14836-32610299-9510299-9515781(Top 56%)10647(Top 66%)10647(Top 846%)
Half13.11 mi0.68 mi14947-11110340-4110340-4116606(Top 58%)11006(Top 68%)11006(Top 874%)
25K15.53 mi2.42 mi15440-49310536-19610536-19617470(Top 62%)11297(Top 70%)11297(Top 897%)
30K18.64 mi3.11 mi17799-235911461-92511461-92523554(Top 83%)13860(Top 86%)13860(Top 1101%)
20M20.00 mi1.36 mi19411-161212146-68512146-68526587(Top 94%)15185(Top 94%)15185(Top 1206%)
21M21.00 mi1.00 mi20028-61712385-23912385-23924926(Top 88%)14328(Top 89%)14328(Top 1138%)
35K21.75 mi0.75 mi20059-3112375+1012375+1020416(Top 72%)12158(Top 75%)12158(Top 966%)
23M23.00 mi1.25 mi20113-5412373+212373+220367(Top 72%)12082(Top 75%)12082(Top 960%)
24M24.00 mi1.00 mi20151-3812374-112374-120533(Top 72%)12109(Top 75%)12109(Top 962%)
40K24.85 mi0.85 mi20057+9412312+6212312+6217890(Top 63%)10757(Top 67%)10757(Top 854%)
25.2M25.20 mi0.35 mi20103-4612325-1312325-1320924(Top 74%)12233(Top 76%)12233(Top 972%)
Finish26.22 mi1.02 mi20056+4712288+3712288+3718175(Top 64%)10948(Top 68%)10948(Top 870%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15143

Males

10431

M60-64

10431

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14373

Males

10148

M60-64

10148

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15143

Males

10431

M60-64

10431

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15781

Males

10647

M60-64

10647

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16606

Males

11006

M60-64

11006

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17470

Males

11297

M60-64

11297

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23554

Males

13860

M60-64

13860

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

26587

Males

15185

M60-64

15185

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24926

Males

14328

M60-64

14328

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20416

Males

12158

M60-64

12158

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20367

Males

12082

M60-64

12082

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20533

Males

12109

M60-64

12109

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17890

Males

10757

M60-64

10757

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20924

Males

12233

M60-64

12233

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18175

Males

10948

M60-64

10948

Passing Analysis

Category:
Athletes Passed
925
Passed By
6908
Net Change
-5983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14073
5K → 10K214328-114#14073#14187
10K → 15K112435-323#14187#14510
15K → 20K126452-326#14510#14836
20K → Half10121-111#14836#14947
Half → 25K71564-493#14947#15440
25K → 30K82367-2359#15440#17799
30K → 20M61618-1612#17799#19411
20M → 21M10627-617#19411#20028
21M → 35K4778-31#20028#20059
35K → 23M65119-54#20059#20113
23M → 24M4684-38#20113#20151
24M → 40K10612+94#20151#20057
40K → 25.2M1662-46#20057#20103
25.2M → Finish8841+47#20103#20056
TOTALS9256908-5983
📊

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