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BOSTON MARATHON 2025

Rodolfo Lopez Lassonde

Bib: 8556•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 (M40-44)
#0 / 2247
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3917
Start → 5K
6:31/mi
20:14 split
10K· 6.21 mi
40:49
Rank: #4262 (-345)
5K → 10K
6:38/mi
20:35 split
15K· 9.32 mi
1:01:48
Rank: #4632 (-370)
10K → 15K
6:45/mi
20:59 split
20K· 12.43 mi
1:23:09
Rank: #4912 (-280)
15K → 20K
6:52/mi
21:21 split
Half· 13.11 mi
1:27:44
Rank: #4933 (-21)
20K → Half
6:43/mi
4:35 split
25K· 15.53 mi
1:44:28
Rank: #5022 (-89)
Half → 25K
6:54/mi
16:44 split
30K· 18.64 mi
2:06:35
Rank: #5073 (-51)
25K → 30K
7:07/mi
22:07 split
20M
2:16:29
Rank: #5130 (-57)
30K → 20M
7:17/mi
9:54 split
21M
2:24:13
Rank: #5171 (-41)
20M → 21M
7:44/mi
7:44 split
35K· 21.75 mi
2:29:20
Rank: #5124 (+47)
21M → 35K
6:50/mi
5:07 split
23M
2:38:21
Rank: #5080 (+44)
35K → 23M
7:12/mi
9:01 split
24M
2:45:14
Rank: #5015 (+65)
23M → 24M
6:53/mi
6:53 split
40K· 24.85 mi
2:51:17
Rank: #4963 (+52)
24M → 40K
7:05/mi
6:03 split
25.2M
2:53:55
Rank: #4930 (+33)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
3:00:38
Rank: #4831 (+99)
25.2M → Finish
6:35/mi
6:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2220:146:3120:14
6:31
-
10K
6.21 mi11:05:5740:496:3420:35
6:38
+0:07
15K
9.32 mi11:26:561:01:486:3820:59
6:45
+0:07
20K
12.43 mi11:48:171:23:096:4121:21
6:52
+0:07
Half
13.11 mi11:52:521:27:446:424:35
6:43
-0:09
25K
15.53 mi12:09:361:44:286:4316:44
6:54
+0:11
30K
18.64 mi12:31:432:06:356:4722:07
7:07
+0:13
20M
20.00 mi12:41:372:16:296:499:54
7:17
+0:10
21M
21.00 mi12:49:212:24:136:527:44
7:44
+0:27
35K
21.75 mi12:54:282:29:206:525:07
6:50
-0:54
23M
23.00 mi13:03:292:38:216:539:01
7:12
+0:22
24M
24.00 mi13:10:222:45:146:536:53
6:53
-0:19
40K
24.85 mi13:16:252:51:176:536:03
7:05
+0:12
25.2M
25.20 mi13:19:032:53:556:542:38
7:38
+0:33
Finish
26.22 mi13:25:463:00:386:546:43
6:35
-1:03

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

6:31 /mi

Average Pace

6:54 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:21

84% of race

Time at Steady Pace

21:33

12% of race

Time at Slower Pace

7:44

4% 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 mi10:45:2220:146:3120:14
6:31
#3917
10K
6.21 mi11:05:5740:496:3420:35
6:38
#4262
15K
9.32 mi11:26:561:01:486:3820:59
6:45
#4632
20K
12.43 mi11:48:171:23:096:4121:21
6:52
#4912
Half
13.11 mi11:52:521:27:446:424:35
6:43
#4933
25K
15.53 mi12:09:361:44:286:4316:44
6:54
#5022
30K
18.64 mi12:31:432:06:356:4722:07
7:07
#5073
20M
20.00 mi12:41:372:16:296:499:54
7:17
#5130
21M
21.00 mi12:49:212:24:136:527:44
7:44
#5171
35K
21.75 mi12:54:282:29:206:525:07
6:50
#5124
23M
23.00 mi13:03:292:38:216:539:01
7:12
#5080
24M
24.00 mi13:10:222:45:146:536:53
6:53
#5015
40K
24.85 mi13:16:252:51:176:536:03
7:05
#4963
25.2M
25.20 mi13:19:032:53:556:542:38
7:38
#4930
Finish
26.22 mi13:25:463:00:386:546:43
6:35
#4831
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3917370737075617(Top 20%)5134(Top 32%)5134(Top 228%)
10K6.21 mi3.10 mi4262-3454009-3024009-3024655(Top 16%)4357(Top 27%)4357(Top 194%)
15K9.32 mi3.11 mi4632-3704338-3294338-3295617(Top 20%)5134(Top 32%)5134(Top 228%)
20K12.43 mi3.11 mi4912-2804579-2414579-2415940(Top 21%)5383(Top 33%)5383(Top 240%)
Half13.11 mi0.68 mi4933-214595-164595-165377(Top 19%)4932(Top 31%)4932(Top 219%)
25K15.53 mi2.42 mi5022-894659-644659-645667(Top 20%)5129(Top 32%)5129(Top 228%)
30K18.64 mi3.11 mi5073-514672-134672-135409(Top 19%)4860(Top 30%)4860(Top 216%)
20M20.00 mi1.36 mi5130-574715-434715-435655(Top 20%)4935(Top 31%)4935(Top 220%)
21M21.00 mi1.00 mi5171-414744-294744-295802(Top 20%)4921(Top 31%)4921(Top 219%)
35K21.75 mi0.75 mi5124+474699+454699+454326(Top 15%)3855(Top 24%)3855(Top 172%)
23M23.00 mi1.25 mi5080+444650+494650+494861(Top 17%)4212(Top 26%)4212(Top 187%)
24M24.00 mi1.00 mi5015+654586+644586+643972(Top 14%)3511(Top 22%)3511(Top 156%)
40K24.85 mi0.85 mi4963+524532+544532+544313(Top 15%)3711(Top 23%)3711(Top 165%)
25.2M25.20 mi0.35 mi4930+334498+344498+344004(Top 14%)3420(Top 21%)3420(Top 152%)
Finish26.22 mi1.02 mi4831+994413+854413+853282(Top 12%)2890(Top 18%)2890(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5617

Males

5134

M40-44

5134

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4655

Males

4357

M40-44

4357

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5617

Males

5134

M40-44

5134

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5940

Males

5383

M40-44

5383

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5377

Males

4932

M40-44

4932

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5667

Males

5129

M40-44

5129

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5409

Males

4860

M40-44

4860

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5655

Males

4935

M40-44

4935

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5802

Males

4921

M40-44

4921

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4326

Males

3855

M40-44

3855

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4861

Males

4212

M40-44

4212

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3972

Males

3511

M40-44

3511

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4313

Males

3711

M40-44

3711

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4004

Males

3420

M40-44

3420

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3282

Males

2890

M40-44

2890

Passing Analysis

Category:
Athletes Passed
988
Passed By
1902
Net Change
-914
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3917
5K → 10K46391-345#3917#4262
10K → 15K23393-370#4262#4632
15K → 20K60340-280#4632#4912
20K → Half1536-21#4912#4933
Half → 25K82171-89#4933#5022
25K → 30K151202-51#5022#5073
30K → 20M54111-57#5073#5130
20M → 21M70111-41#5130#5171
21M → 35K6720+47#5171#5124
35K → 23M10359+44#5124#5080
23M → 24M9025+65#5080#5015
24M → 40K7422+52#5015#4963
40K → 25.2M4411+33#4963#4930
25.2M → Finish10910+99#4930#4831
TOTALS9881902-914
📊

Passing Visuals

Category:
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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