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BOSTON MARATHON 2025

Louis-Paul Parent

Bib: 11877•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 29%
Division (M50-54)
#0 / 1996
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
45:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:07:16
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:29:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:52:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:28/mi
2:15:18
↑ 181↓ 1480.2%
20M
7:31/mi
2:25:31
↑ 64↓ 500.2%
21M
8:05/mi
2:33:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:39:07
↑ 17↓ 861.7%
23M
7:39/mi
2:48:42
↑ 23↓ 630.6%
24M
7:37/mi
2:56:19
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:02:53
↓ 200.3%
25.2M
8:33/mi
3:05:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:13:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:39:10
Pace7:34 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1822:477:2022:47
7:20
-
10K
6.21 mi11:13:3845:077:1622:20
7:11
-0:09
15K
9.32 mi11:35:471:07:167:1322:09
7:08
-0:03
20K
12.43 mi11:58:091:29:387:1322:22
7:12
+0:04
Half
13.11 mi12:03:011:34:307:134:52
7:08
-0:04
25K
15.53 mi12:20:361:52:057:1317:35
7:15
+0:07
30K
18.64 mi12:43:492:15:187:1523:13
7:28
+0:13
20M
20.00 mi12:54:022:25:317:1710:13
7:31
+0:03
21M
21.00 mi13:02:072:33:367:198:05
8:05
+0:34
35K
21.75 mi13:07:382:39:077:195:31
7:22
-0:43
23M
23.00 mi13:17:132:48:427:209:35
7:39
+0:17
24M
24.00 mi13:24:502:56:197:217:37
7:37
-0:02
40K
24.85 mi13:31:243:02:537:216:34
7:41
+0:04
25.2M
25.20 mi13:34:213:05:507:222:57
8:33
+0:52
Finish
26.22 mi13:42:113:13:407:247:50
7:41
-0:52

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

7:08 /mi

Average Pace

7:24 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:38

94% of race

Time at Steady Pace

8:05

4% of race

Time at Slower Pace

2:57

2% of race

Average Pace: 7:23 /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 mi10:51:1822:477:2022:47
7:20
#10682
10K
6.21 mi11:13:3845:077:1622:20
7:11
#9987
15K
9.32 mi11:35:471:07:167:1322:09
7:08
#9462
20K
12.43 mi11:58:091:29:387:1322:22
7:12
#9101
Half
13.11 mi12:03:011:34:307:134:52
7:08
#9061
25K
15.53 mi12:20:361:52:057:1317:35
7:15
#8805
30K
18.64 mi12:43:492:15:187:1523:13
7:28
#8494
20M
20.00 mi12:54:022:25:317:1710:13
7:31
#8343
21M
21.00 mi13:02:072:33:367:198:05
8:05
#8254
35K
21.75 mi13:07:382:39:077:195:31
7:22
#8189
23M
23.00 mi13:17:132:48:427:209:35
7:39
#8102
24M
24.00 mi13:24:502:56:197:217:37
7:37
#8079
40K
24.85 mi13:31:243:02:537:216:34
7:41
#8047
25.2M
25.20 mi13:34:213:05:507:222:57
8:33
#8052
Finish
26.22 mi13:42:113:13:407:247:50
7:41
#8112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10682852485248529(Top 30%)7263(Top 45%)7263(Top 364%)
10K6.21 mi3.10 mi9987+6958159+3658159+3659376(Top 33%)7806(Top 48%)7806(Top 391%)
15K9.32 mi3.11 mi9462+5257853+3067853+3068529(Top 30%)7263(Top 45%)7263(Top 364%)
20K12.43 mi3.11 mi9101+3617618+2357618+2358196(Top 29%)6989(Top 43%)6989(Top 350%)
Half13.11 mi0.68 mi9061+407595+237595+238502(Top 30%)7185(Top 45%)7185(Top 360%)
25K15.53 mi2.42 mi8805+2567421+1747421+1747991(Top 28%)6760(Top 42%)6760(Top 339%)
30K18.64 mi3.11 mi8494+3117178+2437178+2437555(Top 27%)6318(Top 39%)6318(Top 317%)
20M20.00 mi1.36 mi8343+1517057+1217057+1217130(Top 25%)5925(Top 37%)5925(Top 297%)
21M21.00 mi1.00 mi8254+896967+906967+907833(Top 28%)6162(Top 38%)6162(Top 309%)
35K21.75 mi0.75 mi8189+656908+596908+597703(Top 27%)6120(Top 38%)6120(Top 307%)
23M23.00 mi1.25 mi8102+876799+1096799+1097596(Top 27%)5926(Top 37%)5926(Top 297%)
24M24.00 mi1.00 mi8079+236748+516748+518513(Top 30%)6389(Top 40%)6389(Top 320%)
40K24.85 mi0.85 mi8047+326699+496699+497935(Top 28%)5955(Top 37%)5955(Top 298%)
25.2M25.20 mi0.35 mi8052-56696+36696+39037(Top 32%)6456(Top 40%)6456(Top 323%)
Finish26.22 mi1.02 mi8112-606694+26694+210576(Top 37%)7284(Top 45%)7284(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8529

Males

7263

M50-54

7263

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9376

Males

7806

M50-54

7806

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8529

Males

7263

M50-54

7263

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8196

Males

6989

M50-54

6989

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8502

Males

7185

M50-54

7185

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7991

Males

6760

M50-54

6760

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7555

Males

6318

M50-54

6318

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7130

Males

5925

M50-54

5925

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7833

Males

6162

M50-54

6162

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7703

Males

6120

M50-54

6120

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7596

Males

5926

M50-54

5926

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8513

Males

6389

M50-54

6389

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7935

Males

5955

M50-54

5955

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9037

Males

6456

M50-54

6456

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10576

Males

7284

M50-54

7284

Passing Analysis

Category:
Athletes Passed
3196*
Passed By
626
Net Change
+2570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10682
5K → 10K747*52+695#10682#9987
10K → 15K544*19+525#9987#9462
15K → 20K38423+361#9462#9101
20K → Half5818+40#9101#9061
Half → 25K28832+256#9061#8805
25K → 30K37564+311#8805#8494
30K → 20M17928+151#8494#8343
20M → 21M13243+89#8343#8254
21M → 35K9227+65#8254#8189
35K → 23M14659+87#8189#8102
23M → 24M8562+23#8102#8079
24M → 40K7846+32#8079#8047
40K → 25.2M2934-5#8047#8052
25.2M → Finish59119-60#8052#8112
TOTALS3196*626+2570

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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