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BOSTON MARATHON 2025

Aldo Olias Perez

Bib: 1033•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
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
18:46
Rank: #1209
Start → 5K
18:46 | 6:02/mi
10K· 6.21 mi
37:27
Rank: #1160 (+49)
5K → 10K
18:41 | 6:01/mi
15K· 9.32 mi
56:28
Rank: #1233 (-73)
10K → 15K
19:01 | 6:07/mi
20K· 12.43 mi
1:16:10
Rank: #1443 (-210)
15K → 20K
19:42 | 6:20/mi
Half· 13.11 mi
1:20:18
Rank: #1440 (+3)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:34
Rank: #1475 (-35)
Half → 25K
15:16 | 6:18/mi
30K· 18.64 mi
1:56:15
Rank: #1644 (-169)
25K → 30K
20:41 | 6:39/mi
20M
2:05:33
Rank: #1731 (-87)
30K → 20M
9:18 | 6:51/mi
21M
2:12:59
Rank: #1820 (-89)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:17:57
Rank: #1848 (-28)
21M → 35K
4:58 | 6:38/mi
23M
2:26:31
Rank: #1874 (-26)
35K → 23M
8:34 | 6:51/mi
24M
2:33:13
Rank: #1899 (-25)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:38:59
Rank: #1898 (+1)
24M → 40K
5:46 | 6:45/mi
25.2M
2:41:24
Rank: #1882 (+16)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:47:54
Rank: #1859 (+23)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:18
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5018:466:0218:46
6:02
-
10K
6.21 mi10:37:3137:276:0218:41
6:01
-0:01
15K
9.32 mi10:56:3256:286:0319:01
6:07
+0:06
20K
12.43 mi11:16:141:16:106:0819:42
6:20
+0:13
Half
13.11 mi11:20:221:20:186:084:08
6:03
-0:17
25K
15.53 mi11:35:381:35:346:0915:16
6:18
+0:15
30K
18.64 mi11:56:191:56:156:1420:41
6:39
+0:21
20M
20.00 mi12:05:372:05:336:179:18
6:51
+0:12
21M
21.00 mi12:13:032:12:596:207:26
7:26
+0:35
35K
21.75 mi12:18:012:17:576:214:58
6:38
-0:48
23M
23.00 mi12:26:352:26:316:228:34
6:51
+0:13
24M
24.00 mi12:33:172:33:136:236:42
6:42
-0:09
40K
24.85 mi12:39:032:38:596:245:46
6:45
+0:03
25.2M
25.20 mi12:41:282:41:246:242:25
7:00
+0:15
Finish
26.22 mi12:47:582:47:546:256:30
6:23
-0:37

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

6:01 /mi

Average Pace

6:25 /mi

Slowest Pace

7:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:04

61% of race

Time at Steady Pace

38:07

23% of race

Time at Slower Pace

27:43

17% of race

Average Pace: 6:24 /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 mi10:18:5018:466:0218:46
6:02
#1209
10K
6.21 mi10:37:3137:276:0218:41
6:01
#1160
15K
9.32 mi10:56:3256:286:0319:01
6:07
#1233
20K
12.43 mi11:16:141:16:106:0819:42
6:20
#1443
Half
13.11 mi11:20:221:20:186:084:08
6:03
#1440
25K
15.53 mi11:35:381:35:346:0915:16
6:18
#1475
30K
18.64 mi11:56:191:56:156:1420:41
6:39
#1644
20M
20.00 mi12:05:372:05:336:179:18
6:51
#1731
21M
21.00 mi12:13:032:12:596:207:26
7:26
#1820
35K
21.75 mi12:18:012:17:576:214:58
6:38
#1848
23M
23.00 mi12:26:352:26:316:228:34
6:51
#1874
24M
24.00 mi12:33:172:33:136:236:42
6:42
#1899
40K
24.85 mi12:39:032:38:596:245:46
6:45
#1898
25.2M
25.20 mi12:41:282:41:246:242:25
7:00
#1882
Finish
26.22 mi12:47:582:47:546:256:30
6:23
#1859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1209114511451490(Top 5%)1419(Top 9%)1419(Top 59%)
10K6.21 mi3.10 mi1160+491097+481097+481145(Top 4%)1083(Top 7%)1083(Top 45%)
15K9.32 mi3.11 mi1233-731170-731170-731490(Top 5%)1419(Top 9%)1419(Top 59%)
20K12.43 mi3.11 mi1443-2101369-1991369-1992233(Top 8%)2128(Top 13%)2128(Top 89%)
Half13.11 mi0.68 mi1440+31366+31366+31416(Top 5%)1348(Top 8%)1348(Top 56%)
25K15.53 mi2.42 mi1475-351399-331399-331852(Top 7%)1760(Top 11%)1760(Top 74%)
30K18.64 mi3.11 mi1644-1691560-1611560-1612670(Top 9%)2527(Top 16%)2527(Top 106%)
20M20.00 mi1.36 mi1731-871645-851645-853179(Top 11%)2944(Top 18%)2944(Top 123%)
21M21.00 mi1.00 mi1820-891730-851730-854279(Top 15%)3837(Top 24%)3837(Top 161%)
35K21.75 mi0.75 mi1848-281756-261756-263169(Top 11%)2911(Top 18%)2911(Top 122%)
23M23.00 mi1.25 mi1874-261778-221778-222914(Top 10%)2669(Top 17%)2669(Top 112%)
24M24.00 mi1.00 mi1899-251801-231801-232993(Top 11%)2717(Top 17%)2717(Top 114%)
40K24.85 mi0.85 mi1898+11799+21799+22594(Top 9%)2362(Top 15%)2362(Top 99%)
25.2M25.20 mi0.35 mi1882+161783+161783+161534(Top 5%)1405(Top 9%)1405(Top 59%)
Finish26.22 mi1.02 mi1859+231759+241759+242231(Top 8%)2044(Top 13%)2044(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1490

Males

1419

M45-49

1419

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1145

Males

1083

M45-49

1083

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1490

Males

1419

M45-49

1419

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2233

Males

2128

M45-49

2128

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1416

Males

1348

M45-49

1348

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1852

Males

1760

M45-49

1760

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2670

Males

2527

M45-49

2527

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3179

Males

2944

M45-49

2944

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4279

Males

3837

M45-49

3837

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3169

Males

2911

M45-49

2911

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2914

Males

2669

M45-49

2669

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2993

Males

2717

M45-49

2717

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2594

Males

2362

M45-49

2362

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1534

Males

1405

M45-49

1405

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2231

Males

2044

M45-49

2044

Passing Analysis

Category:
Athletes Passed
395
Passed By
1045
Net Change
-650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1209
5K → 10K9142+49#1209#1160
10K → 15K1790-73#1160#1233
15K → 20K11221-210#1233#1443
20K → Half85+3#1443#1440
Half → 25K3368-35#1440#1475
25K → 30K22191-169#1475#1644
30K → 20M20107-87#1644#1731
20M → 21M17106-89#1731#1820
21M → 35K1745-28#1820#1848
35K → 23M3763-26#1848#1874
23M → 24M2651-25#1874#1899
24M → 40K3433+1#1899#1898
40K → 25.2M193+16#1898#1882
25.2M → Finish4320+23#1882#1859
TOTALS3951045-650
📊

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