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BOSTON MARATHON 2025

Oscar Castañeda Valencia

Bib: 8714•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M40-44)
#0 / 2247
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:15
Rank: #1845
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
39:10
Rank: #2433 (-588)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
59:36
Rank: #2970 (-537)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:20:51
Rank: #3554 (-584)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:25:25
Rank: #3630 (-76)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:42:26
Rank: #3955 (-325)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:05:18
Rank: #4502 (-547)
25K → 30K
22:52 | 7:22/mi
20M
2:15:25
Rank: #4702 (-200)
30K → 20M
10:07 | 7:27/mi
21M
2:23:22
Rank: #4830 (-128)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:28:47
Rank: #4893 (-63)
21M → 35K
5:25 | 7:14/mi
23M
2:37:58
Rank: #4955 (-62)
35K → 23M
9:11 | 7:20/mi
24M
2:44:50
Rank: #4870 (+85)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:58
Rank: #4864 (+6)
24M → 40K
6:08 | 7:10/mi
25.2M
2:53:36
Rank: #4830 (+34)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:00:21
Rank: #4757 (+73)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:25
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:34:56
Pace7:15 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:2119:156:1219:15
6:12
-
10K
6.21 mi11:04:1639:106:1819:55
6:25
+0:13
15K
9.32 mi11:24:4259:366:2420:26
6:35
+0:10
20K
12.43 mi11:45:571:20:516:3021:15
6:50
+0:15
Half
13.11 mi11:50:311:25:256:314:34
6:42
-0:08
25K
15.53 mi12:07:321:42:266:3617:01
7:01
+0:19
30K
18.64 mi12:30:242:05:186:4322:52
7:22
+0:21
20M
20.00 mi12:40:312:15:256:4610:07
7:27
+0:05
21M
21.00 mi12:48:282:23:226:507:57
7:57
+0:30
35K
21.75 mi12:53:532:28:476:505:25
7:14
-0:43
23M
23.00 mi13:03:042:37:586:529:11
7:20
+0:06
24M
24.00 mi13:09:562:44:506:526:52
6:52
-0:28
40K
24.85 mi13:16:042:50:586:536:08
7:10
+0:18
25.2M
25.20 mi13:18:422:53:366:532:38
7:38
+0:28
Finish
26.22 mi13:25:273:00:216:536:45
6:37
-1:01

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

6:12 /mi

Average Pace

6:53 /mi

Slowest Pace

7:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:55

39% of race

Time at Steady Pace

56:41

31% of race

Time at Slower Pace

52:45

29% of race

Average Pace: 6:53 /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 mi10:44:2119:156:1219:15
6:12
#1845
10K
6.21 mi11:04:1639:106:1819:55
6:25
#2433
15K
9.32 mi11:24:4259:366:2420:26
6:35
#2970
20K
12.43 mi11:45:571:20:516:3021:15
6:50
#3554
Half
13.11 mi11:50:311:25:256:314:34
6:42
#3630
25K
15.53 mi12:07:321:42:266:3617:01
7:01
#3955
30K
18.64 mi12:30:242:05:186:4322:52
7:22
#4502
20M
20.00 mi12:40:312:15:256:4610:07
7:27
#4702
21M
21.00 mi12:48:282:23:226:507:57
7:57
#4830
35K
21.75 mi12:53:532:28:476:505:25
7:14
#4893
23M
23.00 mi13:03:042:37:586:529:11
7:20
#4955
24M
24.00 mi13:09:562:44:506:526:52
6:52
#4870
40K
24.85 mi13:16:042:50:586:536:08
7:10
#4864
25.2M
25.20 mi13:18:422:53:366:532:38
7:38
#4830
Finish
26.22 mi13:25:273:00:216:536:45
6:37
#4757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1845175317534066(Top 14%)3828(Top 24%)3828(Top 170%)
10K6.21 mi3.10 mi2433-5882320-5672320-5673103(Top 11%)2952(Top 18%)2952(Top 131%)
15K9.32 mi3.11 mi2970-5372829-5092829-5094066(Top 14%)3828(Top 24%)3828(Top 170%)
20K12.43 mi3.11 mi3554-5843366-5373366-5375669(Top 20%)5167(Top 32%)5167(Top 230%)
Half13.11 mi0.68 mi3630-763435-693435-695168(Top 18%)4763(Top 30%)4763(Top 212%)
25K15.53 mi2.42 mi3955-3253723-2883723-2886423(Top 23%)5703(Top 35%)5703(Top 254%)
30K18.64 mi3.11 mi4502-5474200-4774200-4776796(Top 24%)5840(Top 36%)5840(Top 260%)
20M20.00 mi1.36 mi4702-2004357-1574357-1576620(Top 23%)5580(Top 35%)5580(Top 248%)
21M21.00 mi1.00 mi4830-1284458-1014458-1017038(Top 25%)5689(Top 35%)5689(Top 253%)
35K21.75 mi0.75 mi4893-634503-454503-456812(Top 24%)5571(Top 35%)5571(Top 248%)
23M23.00 mi1.25 mi4955-624542-394542-395618(Top 20%)4743(Top 29%)4743(Top 211%)
24M24.00 mi1.00 mi4870+854461+814461+813889(Top 14%)3442(Top 21%)3442(Top 153%)
40K24.85 mi0.85 mi4864+64453+84453+84872(Top 17%)4116(Top 26%)4116(Top 183%)
25.2M25.20 mi0.35 mi4830+344420+334420+333998(Top 14%)3414(Top 21%)3414(Top 152%)
Finish26.22 mi1.02 mi4757+734350+704350+703454(Top 12%)3023(Top 19%)3023(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4066

Males

3828

M40-44

3828

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3103

Males

2952

M40-44

2952

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4066

Males

3828

M40-44

3828

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5669

Males

5167

M40-44

5167

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5168

Males

4763

M40-44

4763

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6423

Males

5703

M40-44

5703

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6796

Males

5840

M40-44

5840

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6620

Males

5580

M40-44

5580

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7038

Males

5689

M40-44

5689

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6812

Males

5571

M40-44

5571

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5618

Males

4743

M40-44

4743

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3889

Males

3442

M40-44

3442

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4872

Males

4116

M40-44

4116

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3998

Males

3414

M40-44

3414

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3454

Males

3023

M40-44

3023

Passing Analysis

Category:
Athletes Passed
560
Passed By
3472
Net Change
-2912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1845
5K → 10K6594-588#1845#2433
10K → 15K11548-537#2433#2970
15K → 20K15599-584#2970#3554
20K → Half379-76#3554#3630
Half → 25K19344-325#3630#3955
25K → 30K44591-547#3955#4502
30K → 20M25225-200#4502#4702
20M → 21M34162-128#4702#4830
21M → 35K42105-63#4830#4893
35K → 23M65127-62#4893#4955
23M → 24M10722+85#4955#4870
24M → 40K5953+6#4870#4864
40K → 25.2M439+34#4864#4830
25.2M → Finish8714+73#4830#4757
TOTALS5603472-2912
📊

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