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BOSTON MARATHON 2025

Ronald Castillo

Bib: 24825•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:55/mi
27:42
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
55:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:24:44
↑ 67↓ 78
20K· 12.43 mi
9:32/mi
1:54:20
↑ 106↓ 860.1%
Half· 13.11 mi
11:46/mi
2:02:22
↑ 19↓ 370.5%
25K· 15.53 mi
9:46/mi
2:26:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:22/mi
2:58:16
↑ 181↓ 1480.2%
20M
10:14/mi
3:12:11
↑ 64↓ 500.2%
21M
11:51/mi
3:24:02
↑ 106↓ 241.6%
35K· 21.75 mi
11:14/mi
3:32:26
↑ 17↓ 861.7%
23M
10:45/mi
3:45:54
↑ 23↓ 630.6%
24M
9:41/mi
3:55:35
↓ 821.3%
40K· 24.85 mi
9:45/mi
4:03:55
↓ 200.3%
25.2M
10:52/mi
4:07:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
4:16:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:22
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:14:36
Pace10:16 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1027:428:5527:42
8:55
-
10K
6.21 mi11:57:2155:539:0028:11
9:04
+0:09
15K
9.32 mi12:26:121:24:449:0528:51
9:17
+0:13
20K
12.43 mi12:55:481:54:209:1229:36
9:32
+0:15
Half
13.11 mi13:03:502:02:229:208:02
11:46
+2:14
25K
15.53 mi13:27:312:26:039:2423:41
9:46
-2:00
30K
18.64 mi13:59:442:58:169:3432:13
10:22
+0:36
20M
20.00 mi14:13:393:12:119:3713:55
10:14
-0:08
21M
21.00 mi14:25:303:24:029:4311:51
11:51
+1:37
35K
21.75 mi14:33:543:32:269:468:24
11:14
-0:37
23M
23.00 mi14:47:223:45:549:4913:28
10:45
-0:29
24M
24.00 mi14:57:033:55:359:499:41
9:41
-1:04
40K
24.85 mi15:05:234:03:559:498:20
9:45
+0:04
25.2M
25.20 mi15:09:084:07:409:503:45
10:52
+1:07
Finish
26.22 mi15:18:264:16:589:489:18
9:08
-1:44

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

8:55 /mi

Average Pace

9:48 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:02

37% of race

Time at Steady Pace

1:11:18

28% of race

Time at Slower Pace

1:31:38

36% of race

Average Pace: 9:48 /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 mi11:29:1027:428:5527:42
8:55
#22063
10K
6.21 mi11:57:2155:539:0028:11
9:04
#22398
15K
9.32 mi12:26:121:24:449:0528:51
9:17
#22658
20K
12.43 mi12:55:481:54:209:1229:36
9:32
#22785
Half
13.11 mi13:03:502:02:229:208:02
11:46
#23234
25K
15.53 mi13:27:312:26:039:2423:41
9:46
#23121
30K
18.64 mi13:59:442:58:169:3432:13
10:22
#22988
20M
20.00 mi14:13:393:12:119:3713:55
10:14
#22880
21M
21.00 mi14:25:303:24:029:4311:51
11:51
#22913
35K
21.75 mi14:33:543:32:269:468:24
11:14
#22996
23M
23.00 mi14:47:223:45:549:4913:28
10:45
#22960
24M
24.00 mi14:57:033:55:359:499:41
9:41
#22830
40K
24.85 mi15:05:234:03:559:498:20
9:45
#22707
25.2M
25.20 mi15:09:084:07:409:503:45
10:52
#22674
Finish
26.22 mi15:18:264:16:589:489:18
9:08
#22591
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22063133401334023162(Top 82%)13911(Top 86%)13911(Top 2177%)
10K6.21 mi3.10 mi22398-33513505-16513505-16522694(Top 80%)13665(Top 85%)13665(Top 2138%)
15K9.32 mi3.11 mi22658-26013655-15013655-15023162(Top 82%)13911(Top 86%)13911(Top 2177%)
20K12.43 mi3.11 mi22785-12713723-6813723-6822985(Top 81%)13783(Top 86%)13783(Top 2157%)
Half13.11 mi0.68 mi23234-44913922-19913922-19927278(Top 96%)15630(Top 97%)15630(Top 2446%)
25K15.53 mi2.42 mi23121+11313854+6813854+6822688(Top 80%)13601(Top 84%)13601(Top 2128%)
30K18.64 mi3.11 mi22988+13313747+10713747+10722635(Top 80%)13450(Top 84%)13450(Top 2105%)
20M20.00 mi1.36 mi22880+10813670+7713670+7721685(Top 76%)12903(Top 80%)12903(Top 2019%)
21M21.00 mi1.00 mi22913-3313671-113671-123304(Top 82%)13586(Top 84%)13586(Top 2126%)
35K21.75 mi0.75 mi22996-8313697-2613697-2624649(Top 87%)14181(Top 88%)14181(Top 2219%)
23M23.00 mi1.25 mi22960+3613659+3813659+3822648(Top 80%)13171(Top 82%)13171(Top 2061%)
24M24.00 mi1.00 mi22830+13013578+8113578+8120322(Top 72%)12021(Top 75%)12021(Top 1881%)
40K24.85 mi0.85 mi22707+12313505+7313505+7319629(Top 69%)11628(Top 72%)11628(Top 1820%)
25.2M25.20 mi0.35 mi22674+3313480+2513480+2520251(Top 71%)11920(Top 74%)11920(Top 1865%)
Finish26.22 mi1.02 mi22591+8313421+5913421+5919621(Top 69%)11646(Top 72%)11646(Top 1823%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23162

Males

13911

M65-69

13911

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22694

Males

13665

M65-69

13665

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23162

Males

13911

M65-69

13911

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

22985

Males

13783

M65-69

13783

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27278

Males

15630

M65-69

15630

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22688

Males

13601

M65-69

13601

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22635

Males

13450

M65-69

13450

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21685

Males

12903

M65-69

12903

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23304

Males

13586

M65-69

13586

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24649

Males

14181

M65-69

14181

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22648

Males

13171

M65-69

13171

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20322

Males

12021

M65-69

12021

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19629

Males

11628

M65-69

11628

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20251

Males

11920

M65-69

11920

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19621

Males

11646

M65-69

11646

Passing Analysis

Category:
Athletes Passed
1493
Passed By
2021
Net Change
-528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22063
5K → 10K136471-335#22063#22398
10K → 15K101361-260#22398#22658
15K → 20K140267-127#22658#22785
20K → Half2451-449#22785#23234
Half → 25K18370+113#23234#23121
25K → 30K234101+133#23121#22988
30K → 20M13426+108#22988#22880
20M → 21M5588-33#22880#22913
21M → 35K22105-83#22913#22996
35K → 23M8347+36#22996#22960
23M → 24M1388+130#22960#22830
24M → 40K1296+123#22830#22707
40K → 25.2M418+33#22707#22674
25.2M → Finish9512+83#22674#22591
TOTALS14932021-528
📊

Passing Visuals

Category:
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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