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BOSTON MARATHON 2025

Gonzalo Ortiz Alonso

Bib: 6545•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 (M50-54)
#0 / 1996
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #5293
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:37
Rank: #5332 (-39)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:32
Rank: #5326 (+6)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:23:30
Rank: #5154 (+172)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:28:11
Rank: #5231 (-77)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:44:43
Rank: #5173 (+58)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:06:40
Rank: #5107 (+66)
25K → 30K
21:57 | 7:04/mi
20M
2:16:28
Rank: #5126 (-19)
30K → 20M
9:48 | 7:13/mi
21M
2:24:06
Rank: #5109 (+17)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:29:17
Rank: #5104 (+5)
21M → 35K
5:11 | 6:56/mi
23M
2:38:10
Rank: #5020 (+84)
35K → 23M
8:53 | 7:06/mi
24M
2:44:57
Rank: #4925 (+95)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:50:53
Rank: #4835 (+90)
24M → 40K
5:56 | 6:56/mi
25.2M
2:53:32
Rank: #4809 (+26)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:00:30
Rank: #4797 (+12)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:11
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:32:19
Pace7:03 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0020:466:4120:46
6:41
-
10K
6.21 mi10:45:5141:376:4220:51
6:43
+0:02
15K
9.32 mi11:06:461:02:326:4320:55
6:44
+0:01
20K
12.43 mi11:27:441:23:306:4320:58
6:45
+0:01
Half
13.11 mi11:32:251:28:116:444:41
6:52
+0:07
25K
15.53 mi11:48:571:44:436:4416:32
6:49
-0:03
30K
18.64 mi12:10:542:06:406:4821:57
7:04
+0:15
20M
20.00 mi12:20:422:16:286:499:48
7:13
+0:09
21M
21.00 mi12:28:202:24:066:527:38
7:38
+0:25
35K
21.75 mi12:33:312:29:176:525:11
6:56
-0:42
23M
23.00 mi12:42:242:38:106:538:53
7:06
+0:10
24M
24.00 mi12:49:112:44:576:526:47
6:47
-0:19
40K
24.85 mi12:55:072:50:536:535:56
6:56
+0:09
25.2M
25.20 mi12:57:462:53:326:532:39
7:41
+0:45
Finish
26.22 mi13:04:443:00:306:536:58
6:50
-0:51

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

6:41 /mi

Average Pace

6:53 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:13

94% of race

Time at Steady Pace

10:17

6% of race

Time at Slower Pace

0:00

0% 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 mi10:25:0020:466:4120:46
6:41
#5293
10K
6.21 mi10:45:5141:376:4220:51
6:43
#5332
15K
9.32 mi11:06:461:02:326:4320:55
6:44
#5326
20K
12.43 mi11:27:441:23:306:4320:58
6:45
#5154
Half
13.11 mi11:32:251:28:116:444:41
6:52
#5231
25K
15.53 mi11:48:571:44:436:4416:32
6:49
#5173
30K
18.64 mi12:10:542:06:406:4821:57
7:04
#5107
20M
20.00 mi12:20:422:16:286:499:48
7:13
#5126
21M
21.00 mi12:28:202:24:066:527:38
7:38
#5109
35K
21.75 mi12:33:312:29:176:525:11
6:56
#5104
23M
23.00 mi12:42:242:38:106:538:53
7:06
#5020
24M
24.00 mi12:49:112:44:576:526:47
6:47
#4925
40K
24.85 mi12:55:072:50:536:535:56
6:56
#4835
25.2M
25.20 mi12:57:462:53:326:532:39
7:41
#4809
Finish
26.22 mi13:04:443:00:306:536:58
6:50
#4797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5293492449245376(Top 19%)4954(Top 31%)4954(Top 248%)
10K6.21 mi3.10 mi5332-394943-194943-195430(Top 19%)5014(Top 31%)5014(Top 251%)
15K9.32 mi3.11 mi5326+64941+24941+25376(Top 19%)4954(Top 31%)4954(Top 248%)
20K12.43 mi3.11 mi5154+1724780+1614780+1614821(Top 17%)4460(Top 28%)4460(Top 223%)
Half13.11 mi0.68 mi5231-774846-664846-666572(Top 23%)5868(Top 36%)5868(Top 294%)
25K15.53 mi2.42 mi5173+584792+544792+544998(Top 18%)4585(Top 28%)4585(Top 230%)
30K18.64 mi3.11 mi5107+664702+904702+905095(Top 18%)4612(Top 29%)4612(Top 231%)
20M20.00 mi1.36 mi5126-194712-104712-105231(Top 18%)4648(Top 29%)4648(Top 233%)
21M21.00 mi1.00 mi5109+174690+224690+225263(Top 19%)4562(Top 28%)4562(Top 229%)
35K21.75 mi0.75 mi5104+54683+74683+74882(Top 17%)4294(Top 27%)4294(Top 215%)
23M23.00 mi1.25 mi5020+844600+834600+834280(Top 15%)3792(Top 24%)3792(Top 190%)
24M24.00 mi1.00 mi4925+954511+894511+893396(Top 12%)3051(Top 19%)3051(Top 153%)
40K24.85 mi0.85 mi4835+904430+814430+813555(Top 13%)3151(Top 20%)3151(Top 158%)
25.2M25.20 mi0.35 mi4809+264402+284402+284219(Top 15%)3575(Top 22%)3575(Top 179%)
Finish26.22 mi1.02 mi4797+124384+184384+184694(Top 17%)3918(Top 24%)3918(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5376

Males

4954

M50-54

4954

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5430

Males

5014

M50-54

5014

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5376

Males

4954

M50-54

4954

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4821

Males

4460

M50-54

4460

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6572

Males

5868

M50-54

5868

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4998

Males

4585

M50-54

4585

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5095

Males

4612

M50-54

4612

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5231

Males

4648

M50-54

4648

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5263

Males

4562

M50-54

4562

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4882

Males

4294

M50-54

4294

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4280

Males

3792

M50-54

3792

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3396

Males

3051

M50-54

3051

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3555

Males

3151

M50-54

3151

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4219

Males

3575

M50-54

3575

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4694

Males

3918

M50-54

3918

Passing Analysis

Category:
Athletes Passed
1474
Passed By
978
Net Change
+496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5293
5K → 10K156195-39#5293#5332
10K → 15K129123+6#5332#5326
15K → 20K21745+172#5326#5154
20K → Half1592-77#5154#5231
Half → 25K13981+58#5231#5173
25K → 30K194128+66#5173#5107
30K → 20M6281-19#5107#5126
20M → 21M8871+17#5126#5109
21M → 35K5146+5#5109#5104
35K → 23M11935+84#5104#5020
23M → 24M10914+95#5020#4925
24M → 40K10515+90#4925#4835
40K → 25.2M4014+26#4835#4809
25.2M → Finish5038+12#4809#4797
TOTALS1474978+496
📊

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