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BOSTON MARATHON 2025

Harold Zelaya

Bib: 2035•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1994
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:40
Rank: #1999 (-5)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
58:06
Rank: #2019 (-20)
10K → 15K
19:26 | 6:15/mi
20K· 12.43 mi
1:17:45
Rank: #2032 (-13)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:00
Rank: #2036 (-4)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:16
Rank: #1998 (+38)
Half → 25K
15:16 | 6:18/mi
30K· 18.64 mi
1:57:37
Rank: #1984 (+14)
25K → 30K
20:21 | 6:33/mi
20M
2:06:35
Rank: #1970 (+14)
30K → 20M
8:58 | 6:36/mi
21M
2:13:35
Rank: #1959 (+11)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:18:21
Rank: #1931 (+28)
21M → 35K
4:46 | 6:22/mi
23M
2:26:40
Rank: #1899 (+32)
35K → 23M
8:19 | 6:39/mi
24M
2:33:00
Rank: #1855 (+44)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:38:34
Rank: #1826 (+29)
24M → 40K
5:34 | 6:31/mi
25.2M
2:41:01
Rank: #1808 (+18)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:47:30
Rank: #1795 (+13)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:00
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:25:30
Pace6:31 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0219:206:1319:20
6:13
-
10K
6.21 mi10:39:2238:406:1319:20
6:13
0:00
15K
9.32 mi10:58:4858:066:1419:26
6:15
+0:02
20K
12.43 mi11:18:271:17:456:1519:39
6:19
+0:04
Half
13.11 mi11:22:421:22:006:154:15
6:14
-0:05
25K
15.53 mi11:37:581:37:166:1615:16
6:18
+0:04
30K
18.64 mi11:58:191:57:376:1920:21
6:33
+0:15
20M
20.00 mi12:07:172:06:356:208:58
6:36
+0:03
21M
21.00 mi12:14:172:13:356:227:00
7:00
+0:24
35K
21.75 mi12:19:032:18:216:224:46
6:22
-0:38
23M
23.00 mi12:27:222:26:406:238:19
6:39
+0:17
24M
24.00 mi12:33:422:33:006:236:20
6:20
-0:19
40K
24.85 mi12:39:162:38:346:235:34
6:31
+0:11
25.2M
25.20 mi12:41:432:41:016:232:27
7:06
+0:35
Finish
26.22 mi12:48:122:47:306:246:29
6:22
-0:44

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

6:13 /mi

Average Pace

6:24 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:03

94% of race

Time at Steady Pace

9:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:20:0219:206:1319:20
6:13
#1994
10K
6.21 mi10:39:2238:406:1319:20
6:13
#1999
15K
9.32 mi10:58:4858:066:1419:26
6:15
#2019
20K
12.43 mi11:18:271:17:456:1519:39
6:19
#2032
Half
13.11 mi11:22:421:22:006:154:15
6:14
#2036
25K
15.53 mi11:37:581:37:166:1615:16
6:18
#1998
30K
18.64 mi11:58:191:57:376:1920:21
6:33
#1984
20M
20.00 mi12:07:172:06:356:208:58
6:36
#1970
21M
21.00 mi12:14:172:13:356:227:00
7:00
#1959
35K
21.75 mi12:19:032:18:216:224:46
6:22
#1931
23M
23.00 mi12:27:222:26:406:238:19
6:39
#1899
24M
24.00 mi12:33:422:33:006:236:20
6:20
#1855
40K
24.85 mi12:39:162:38:346:235:34
6:31
#1826
25.2M
25.20 mi12:41:432:41:016:232:27
7:06
#1808
Finish
26.22 mi12:48:122:47:306:246:29
6:22
#1795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1994189718972131(Top 8%)2033(Top 13%)2033(Top 85%)
10K6.21 mi3.10 mi1999-51904-71904-72023(Top 7%)1927(Top 12%)1927(Top 81%)
15K9.32 mi3.11 mi2019-201923-191923-192131(Top 8%)2033(Top 13%)2033(Top 85%)
20K12.43 mi3.11 mi2032-131939-161939-162128(Top 7%)2029(Top 13%)2029(Top 85%)
Half13.11 mi0.68 mi2036-41944-51944-52169(Top 8%)2073(Top 13%)2073(Top 87%)
25K15.53 mi2.42 mi1998+381905+391905+391850(Top 7%)1758(Top 11%)1758(Top 74%)
30K18.64 mi3.11 mi1984+141889+161889+162197(Top 8%)2081(Top 13%)2081(Top 87%)
20M20.00 mi1.36 mi1970+141875+141875+142030(Top 7%)1920(Top 12%)1920(Top 80%)
21M21.00 mi1.00 mi1959+111863+121863+122261(Top 8%)2112(Top 13%)2112(Top 89%)
35K21.75 mi0.75 mi1931+281835+281835+281918(Top 7%)1802(Top 11%)1802(Top 76%)
23M23.00 mi1.25 mi1899+321802+331802+332019(Top 7%)1889(Top 12%)1889(Top 79%)
24M24.00 mi1.00 mi1855+441758+441758+441421(Top 5%)1332(Top 8%)1332(Top 56%)
40K24.85 mi0.85 mi1826+291729+291729+291659(Top 6%)1535(Top 10%)1535(Top 64%)
25.2M25.20 mi0.35 mi1808+181712+171712+171824(Top 6%)1663(Top 10%)1663(Top 70%)
Finish26.22 mi1.02 mi1795+131700+121700+122153(Top 8%)1971(Top 12%)1971(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2131

Males

2033

M45-49

2033

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2023

Males

1927

M45-49

1927

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2131

Males

2033

M45-49

2033

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2128

Males

2029

M45-49

2029

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2169

Males

2073

M45-49

2073

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1850

Males

1758

M45-49

1758

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2197

Males

2081

M45-49

2081

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2030

Males

1920

M45-49

1920

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2261

Males

2112

M45-49

2112

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1918

Males

1802

M45-49

1802

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2019

Males

1889

M45-49

1889

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1421

Males

1332

M45-49

1332

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1659

Males

1535

M45-49

1535

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1824

Males

1663

M45-49

1663

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2153

Males

1971

M45-49

1971

Passing Analysis

Category:
Athletes Passed
731
Passed By
532
Net Change
+199
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1994
5K → 10K114119-5#1994#1999
10K → 15K5676-20#1999#2019
15K → 20K6073-13#2019#2032
20K → Half913-4#2032#2036
Half → 25K7436+38#2036#1998
25K → 30K8369+14#1998#1984
30K → 20M3824+14#1984#1970
20M → 21M4433+11#1970#1959
21M → 35K368+28#1959#1931
35K → 23M6331+32#1931#1899
23M → 24M5410+44#1899#1855
24M → 40K3910+29#1855#1826
40K → 25.2M224+18#1826#1808
25.2M → Finish3926+13#1808#1795
TOTALS731532+199
📊

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