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BOSTON MARATHON 2025

Arturo Castro Montes

Bib: 3365•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:45
Rank: #2796
Start → 5K
19:45 | 6:21/mi
10K· 6.21 mi
39:28
Rank: #2740 (+56)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:16
Rank: #2728 (+12)
10K → 15K
19:48 | 6:22/mi
20K· 12.43 mi
1:19:23
Rank: #2784 (-56)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:23:48
Rank: #2812 (-28)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:00
Rank: #2970 (-158)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:00:28
Rank: #2802 (+168)
25K → 30K
20:28 | 6:35/mi
20M
2:09:39
Rank: #2776 (+26)
30K → 20M
9:11 | 6:45/mi
21M
2:16:53
Rank: #2766 (+10)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:21:51
Rank: #2769 (-3)
21M → 35K
4:58 | 6:38/mi
23M
2:30:55
Rank: #2835 (-66)
35K → 23M
9:04 | 7:14/mi
24M
2:37:59
Rank: #2899 (-64)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:44:20
Rank: #2968 (-69)
24M → 40K
6:21 | 7:26/mi
25.2M
2:47:07
Rank: #2997 (-29)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
2:54:38
Rank: #3155 (-158)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:48
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:30:50
Pace6:56 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1419:456:2119:45
6:21
-
10K
6.21 mi10:41:5739:286:2119:43
6:21
0:00
15K
9.32 mi11:01:4559:166:2219:48
6:22
+0:01
20K
12.43 mi11:21:521:19:236:2320:07
6:28
+0:06
Half
13.11 mi11:26:171:23:486:244:25
6:28
0:00
25K
15.53 mi11:42:291:40:006:2616:12
6:41
+0:13
30K
18.64 mi12:02:572:00:286:2820:28
6:35
-0:06
20M
20.00 mi12:12:082:09:396:299:11
6:45
+0:10
21M
21.00 mi12:19:222:16:536:317:14
7:14
+0:29
35K
21.75 mi12:24:202:21:516:314:58
6:38
-0:36
23M
23.00 mi12:33:242:30:556:349:04
7:14
+0:36
24M
24.00 mi12:40:282:37:596:357:04
7:04
-0:10
40K
24.85 mi12:46:492:44:206:376:21
7:26
+0:22
25.2M
25.20 mi12:49:362:47:076:382:47
8:04
+0:38
Finish
26.22 mi12:57:072:54:386:407:31
7:23
-0:41

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

6:21 /mi

Average Pace

6:40 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:16

34% of race

Time at Steady Pace

1:15:21

43% of race

Time at Slower Pace

40:01

23% of race

Average Pace: 6:40 /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 mi10:22:1419:456:2119:45
6:21
#2796
10K
6.21 mi10:41:5739:286:2119:43
6:21
#2740
15K
9.32 mi11:01:4559:166:2219:48
6:22
#2728
20K
12.43 mi11:21:521:19:236:2320:07
6:28
#2784
Half
13.11 mi11:26:171:23:486:244:25
6:28
#2812
25K
15.53 mi11:42:291:40:006:2616:12
6:41
#2970
30K
18.64 mi12:02:572:00:286:2820:28
6:35
#2802
20M
20.00 mi12:12:082:09:396:299:11
6:45
#2776
21M
21.00 mi12:19:222:16:536:317:14
7:14
#2766
35K
21.75 mi12:24:202:21:516:314:58
6:38
#2769
23M
23.00 mi12:33:242:30:556:349:04
7:14
#2835
24M
24.00 mi12:40:282:37:596:357:04
7:04
#2899
40K
24.85 mi12:46:492:44:206:376:21
7:26
#2968
25.2M
25.20 mi12:49:362:47:076:382:47
8:04
#2997
Finish
26.22 mi12:57:072:54:386:407:31
7:23
#3155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2796266126612768(Top 10%)2635(Top 16%)2635(Top 47%)
10K6.21 mi3.10 mi2740+562609+522609+522709(Top 10%)2580(Top 16%)2580(Top 46%)
15K9.32 mi3.11 mi2728+122600+92600+92768(Top 10%)2635(Top 16%)2635(Top 47%)
20K12.43 mi3.11 mi2784-562654-542654-542968(Top 10%)2825(Top 18%)2825(Top 50%)
Half13.11 mi0.68 mi2812-282682-282682-283475(Top 12%)3291(Top 20%)3291(Top 58%)
25K15.53 mi2.42 mi2970-1582830-1482830-1483971(Top 14%)3703(Top 23%)3703(Top 66%)
30K18.64 mi3.11 mi2802+1682670+1602670+1602363(Top 8%)2240(Top 14%)2240(Top 40%)
20M20.00 mi1.36 mi2776+262644+262644+262717(Top 10%)2546(Top 16%)2546(Top 45%)
21M21.00 mi1.00 mi2766+102634+102634+103256(Top 11%)2994(Top 19%)2994(Top 53%)
35K21.75 mi0.75 mi2769-3263426343131(Top 11%)2873(Top 18%)2873(Top 51%)
23M23.00 mi1.25 mi2835-662688-542688-545091(Top 18%)4375(Top 27%)4375(Top 78%)
24M24.00 mi1.00 mi2899-642744-562744-564976(Top 18%)4233(Top 26%)4233(Top 75%)
40K24.85 mi0.85 mi2968-692803-592803-596319(Top 22%)5028(Top 31%)5028(Top 89%)
25.2M25.20 mi0.35 mi2997-292830-272830-276201(Top 22%)4834(Top 30%)4834(Top 86%)
Finish26.22 mi1.02 mi3155-1582969-1392969-1398269(Top 29%)6045(Top 38%)6045(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2768

Males

2635

M18-39

2635

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2709

Males

2580

M18-39

2580

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2768

Males

2635

M18-39

2635

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2968

Males

2825

M18-39

2825

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3475

Males

3291

M18-39

3291

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3971

Males

3703

M18-39

3703

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2363

Males

2240

M18-39

2240

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2717

Males

2546

M18-39

2546

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3256

Males

2994

M18-39

2994

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3131

Males

2873

M18-39

2873

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5091

Males

4375

M18-39

4375

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4976

Males

4233

M18-39

4233

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6319

Males

5028

M18-39

5028

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6201

Males

4834

M18-39

4834

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8269

Males

6045

M18-39

6045

Passing Analysis

Category:
Athletes Passed
775
Passed By
1134
Net Change
-359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2796
5K → 10K14791+56#2796#2740
10K → 15K8068+12#2740#2728
15K → 20K59115-56#2728#2784
20K → Half432-28#2784#2812
Half → 25K37195-158#2812#2970
25K → 30K20032+168#2970#2802
30K → 20M6842+26#2802#2776
20M → 21M4939+10#2776#2766
21M → 35K2831-3#2766#2769
35K → 23M34100-66#2769#2835
23M → 24M2286-64#2835#2899
24M → 40K2493-69#2899#2968
40K → 25.2M1342-29#2968#2997
25.2M → Finish10168-158#2997#3155
TOTALS7751134-359
📊

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