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BOSTON MARATHON 2025

Ignacio Lagos

Bib: 6409•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:54
Rank: #537
Start → 5K
17:54 | 5:46/mi
10K· 6.21 mi
36:06
Rank: #623 (-86)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:43
Rank: #719 (-96)
10K → 15K
18:37 | 6:00/mi
20K· 12.43 mi
1:14:02
Rank: #883 (-164)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:18:17
Rank: #929 (-46)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:33:26
Rank: #997 (-68)
Half → 25K
15:09 | 6:15/mi
30K· 18.64 mi
1:53:17
Rank: #1050 (-53)
25K → 30K
19:51 | 6:23/mi
20M
2:02:19
Rank: #1089 (-39)
30K → 20M
9:02 | 6:39/mi
21M
2:09:28
Rank: #1157 (-68)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:14:21
Rank: #1189 (-32)
21M → 35K
4:53 | 6:32/mi
23M
2:23:00
Rank: #1232 (-43)
35K → 23M
8:39 | 6:55/mi
24M
2:29:48
Rank: #1291 (-59)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:35:40
Rank: #1331 (-40)
24M → 40K
5:52 | 6:52/mi
25.2M
2:38:22
Rank: #1357 (-26)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:45:01
Rank: #1393 (-36)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:17
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5717:545:4617:54
5:46
-
10K
6.21 mi10:40:0936:065:4918:12
5:51
+0:05
15K
9.32 mi10:58:4654:435:5218:37
6:00
+0:09
20K
12.43 mi11:18:051:14:025:5719:19
6:13
+0:13
Half
13.11 mi11:22:201:18:175:584:15
6:14
+0:01
25K
15.53 mi11:37:291:33:266:0115:09
6:15
+0:01
30K
18.64 mi11:57:201:53:176:0519:51
6:23
+0:08
20M
20.00 mi12:06:222:02:196:079:02
6:39
+0:16
21M
21.00 mi12:13:312:09:286:107:09
7:09
+0:30
35K
21.75 mi12:18:242:14:216:114:53
6:32
-0:37
23M
23.00 mi12:27:032:23:006:138:39
6:55
+0:23
24M
24.00 mi12:33:512:29:486:156:48
6:48
-0:07
40K
24.85 mi12:39:432:35:406:165:52
6:52
+0:04
25.2M
25.20 mi12:42:252:38:226:172:42
7:50
+0:58
Finish
26.22 mi12:49:042:45:016:186:39
6:32
-1:18

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

5:46 /mi

Average Pace

6:18 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:26

57% of race

Time at Steady Pace

40:25

24% of race

Time at Slower Pace

31:10

19% of race

Average Pace: 6:18 /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 mi10:21:5717:545:4617:54
5:46
#537
10K
6.21 mi10:40:0936:065:4918:12
5:51
#623
15K
9.32 mi10:58:4654:435:5218:37
6:00
#719
20K
12.43 mi11:18:051:14:025:5719:19
6:13
#883
Half
13.11 mi11:22:201:18:175:584:15
6:14
#929
25K
15.53 mi11:37:291:33:266:0115:09
6:15
#997
30K
18.64 mi11:57:201:53:176:0519:51
6:23
#1050
20M
20.00 mi12:06:222:02:196:079:02
6:39
#1089
21M
21.00 mi12:13:312:09:286:107:09
7:09
#1157
35K
21.75 mi12:18:242:14:216:114:53
6:32
#1189
23M
23.00 mi12:27:032:23:006:138:39
6:55
#1232
24M
24.00 mi12:33:512:29:486:156:48
6:48
#1291
40K
24.85 mi12:39:432:35:406:165:52
6:52
#1331
25.2M
25.20 mi12:42:252:38:226:172:42
7:50
#1357
Finish
26.22 mi12:49:042:45:016:186:39
6:32
#1393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5374994991010(Top 4%)955(Top 6%)955(Top 17%)
10K6.21 mi3.10 mi623-86577-78577-78740(Top 3%)695(Top 4%)695(Top 12%)
15K9.32 mi3.11 mi719-96671-94671-941010(Top 4%)955(Top 6%)955(Top 17%)
20K12.43 mi3.11 mi883-164830-159830-1591643(Top 6%)1561(Top 10%)1561(Top 28%)
Half13.11 mi0.68 mi929-46874-44874-442080(Top 7%)1984(Top 12%)1984(Top 35%)
25K15.53 mi2.42 mi997-68939-65939-651637(Top 6%)1557(Top 10%)1557(Top 28%)
30K18.64 mi3.11 mi1050-53989-50989-501505(Top 5%)1424(Top 9%)1424(Top 25%)
20M20.00 mi1.36 mi1089-391026-371026-372196(Top 8%)2074(Top 13%)2074(Top 37%)
21M21.00 mi1.00 mi1157-681090-641090-642865(Top 10%)2651(Top 16%)2651(Top 47%)
35K21.75 mi0.75 mi1189-321119-291119-292550(Top 9%)2369(Top 15%)2369(Top 42%)
23M23.00 mi1.25 mi1232-431160-411160-413220(Top 11%)2931(Top 18%)2931(Top 52%)
24M24.00 mi1.00 mi1291-591215-551215-553461(Top 12%)3096(Top 19%)3096(Top 55%)
40K24.85 mi0.85 mi1331-401254-391254-393117(Top 11%)2790(Top 17%)2790(Top 49%)
25.2M25.20 mi0.35 mi1357-261280-261280-264913(Top 17%)4030(Top 25%)4030(Top 71%)
Finish26.22 mi1.02 mi1393-361314-341314-342919(Top 10%)2600(Top 16%)2600(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1010

Males

955

M18-39

955

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

740

Males

695

M18-39

695

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1010

Males

955

M18-39

955

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1643

Males

1561

M18-39

1561

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2080

Males

1984

M18-39

1984

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1637

Males

1557

M18-39

1557

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1505

Males

1424

M18-39

1424

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2196

Males

2074

M18-39

2074

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2865

Males

2651

M18-39

2651

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2550

Males

2369

M18-39

2369

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3220

Males

2931

M18-39

2931

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3461

Males

3096

M18-39

3096

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3117

Males

2790

M18-39

2790

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4913

Males

4030

M18-39

4030

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2919

Males

2600

M18-39

2600

Passing Analysis

Category:
Athletes Passed
156
Passed By
1012
Net Change
-856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#537
5K → 10K490-86#537#623
10K → 15K4100-96#623#719
15K → 20K7171-164#719#883
20K → Half046-46#883#929
Half → 25K1280-68#929#997
25K → 30K3184-53#997#1050
30K → 20M1857-39#1050#1089
20M → 21M1381-68#1089#1157
21M → 35K1143-32#1157#1189
35K → 23M2770-43#1189#1232
23M → 24M867-59#1232#1291
24M → 40K747-40#1291#1331
40K → 25.2M127-26#1331#1357
25.2M → Finish1349-36#1357#1393
TOTALS1561012-856
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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