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BOSTON MARATHON 2025

Sébastien Perreault

Bib: 8590•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M40-44)
#0 / 2247
Top 40%
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
6:32/mi
20:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:20
↑ 79↓ 1380.4%
15K· 9.32 mi
6:37/mi
1:00:54
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:21:59
↑ 106↓ 860.1%
Half· 13.11 mi
6:40/mi
1:26:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:53/mi
1:43:14
↑ 66↓ 880.2%
30K· 18.64 mi
7:19/mi
2:05:59
↑ 181↓ 1480.2%
20M
7:28/mi
2:16:08
↑ 64↓ 500.2%
21M
7:56/mi
2:24:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:29:30
↑ 17↓ 861.7%
23M
7:33/mi
2:38:57
↑ 23↓ 630.6%
24M
7:28/mi
2:46:25
↓ 821.3%
40K· 24.85 mi
7:45/mi
2:53:03
↓ 200.3%
25.2M
8:42/mi
2:56:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:03:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3320:186:3220:18
6:32
-
10K
6.21 mi11:05:3540:206:2920:02
6:27
-0:05
15K
9.32 mi11:26:091:00:546:3220:34
6:37
+0:10
20K
12.43 mi11:47:141:21:596:3621:05
6:47
+0:10
Half
13.11 mi11:51:471:26:326:364:33
6:40
-0:07
25K
15.53 mi12:08:291:43:146:3916:42
6:53
+0:13
30K
18.64 mi12:31:142:05:596:4622:45
7:19
+0:26
20M
20.00 mi12:41:232:16:086:4810:09
7:28
+0:09
21M
21.00 mi12:49:192:24:046:527:56
7:56
+0:28
35K
21.75 mi12:54:452:29:306:525:26
7:16
-0:40
23M
23.00 mi13:04:122:38:576:559:27
7:33
+0:17
24M
24.00 mi13:11:402:46:256:567:28
7:28
-0:05
40K
24.85 mi13:18:182:53:036:586:38
7:45
+0:17
25.2M
25.20 mi13:21:182:56:036:593:00
8:42
+0:57
Finish
26.22 mi13:29:113:03:567:017:53
7:44
-0:58

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

6:27 /mi

Average Pace

7:01 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:14

56% of race

Time at Steady Pace

55:15

30% of race

Time at Slower Pace

25:27

14% of race

Average Pace: 7:01 /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 mi10:45:3320:186:3220:18
6:32
#4098
10K
6.21 mi11:05:3540:206:2920:02
6:27
#3716
15K
9.32 mi11:26:091:00:546:3220:34
6:37
#3922
20K
12.43 mi11:47:141:21:596:3621:05
6:47
#4144
Half
13.11 mi11:51:471:26:326:364:33
6:40
#4181
25K
15.53 mi12:08:291:43:146:3916:42
6:53
#4332
30K
18.64 mi12:31:142:05:596:4622:45
7:19
#4825
20M
20.00 mi12:41:232:16:086:4810:09
7:28
#4980
21M
21.00 mi12:49:192:24:046:527:56
7:56
#5103
35K
21.75 mi12:54:452:29:306:525:26
7:16
#5180
23M
23.00 mi13:04:122:38:576:559:27
7:33
#5264
24M
24.00 mi13:11:402:46:256:567:28
7:28
#5322
40K
24.85 mi13:18:182:53:036:586:38
7:45
#5368
25.2M
25.20 mi13:21:182:56:036:593:00
8:42
#5393
Finish
26.22 mi13:29:113:03:567:017:53
7:44
#5506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4098386538654408(Top 16%)4138(Top 26%)4138(Top 184%)
10K6.21 mi3.10 mi3716+3823522+3433522+3433367(Top 12%)3198(Top 20%)3198(Top 142%)
15K9.32 mi3.11 mi3922-2063698-1763698-1764408(Top 16%)4138(Top 26%)4138(Top 184%)
20K12.43 mi3.11 mi4144-2223898-2003898-2005180(Top 18%)4775(Top 30%)4775(Top 213%)
Half13.11 mi0.68 mi4181-373932-343932-345053(Top 18%)4682(Top 29%)4682(Top 208%)
25K15.53 mi2.42 mi4332-1514062-1304062-1305575(Top 20%)5052(Top 31%)5052(Top 225%)
30K18.64 mi3.11 mi4825-4934463-4014463-4016568(Top 23%)5689(Top 35%)5689(Top 253%)
20M20.00 mi1.36 mi4980-1554590-1274590-1276793(Top 24%)5705(Top 35%)5705(Top 254%)
21M21.00 mi1.00 mi5103-1234686-964686-966970(Top 25%)5660(Top 35%)5660(Top 252%)
35K21.75 mi0.75 mi5180-774745-594745-596963(Top 25%)5673(Top 35%)5673(Top 252%)
23M23.00 mi1.25 mi5264-844800-554800-556888(Top 24%)5522(Top 34%)5522(Top 246%)
24M24.00 mi1.00 mi5322-584846-464846-467436(Top 26%)5783(Top 36%)5783(Top 257%)
40K24.85 mi0.85 mi5368-464867-214867-218438(Top 30%)6212(Top 39%)6212(Top 276%)
25.2M25.20 mi0.35 mi5393-254876-94876-99912(Top 35%)6888(Top 43%)6888(Top 307%)
Finish26.22 mi1.02 mi5506-1134949-734949-7310927(Top 38%)7466(Top 46%)7466(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4408

Males

4138

M40-44

4138

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3367

Males

3198

M40-44

3198

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4408

Males

4138

M40-44

4138

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5180

Males

4775

M40-44

4775

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5053

Males

4682

M40-44

4682

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5575

Males

5052

M40-44

5052

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6568

Males

5689

M40-44

5689

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6793

Males

5705

M40-44

5705

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6970

Males

5660

M40-44

5660

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6963

Males

5673

M40-44

5673

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6888

Males

5522

M40-44

5522

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7436

Males

5783

M40-44

5783

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8438

Males

6212

M40-44

6212

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9912

Males

6888

M40-44

6888

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10927

Males

7466

M40-44

7466

Passing Analysis

Category:
Athletes Passed
876
Passed By
2284
Net Change
-1408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4098
5K → 10K40725+382#4098#3716
10K → 15K41247-206#3716#3922
15K → 20K43265-222#3922#4144
20K → Half542-37#4144#4181
Half → 25K49200-151#4181#4332
25K → 30K50543-493#4332#4825
30K → 20M40195-155#4825#4980
20M → 21M42165-123#4980#5103
21M → 35K26103-77#5103#5180
35K → 23M66150-84#5180#5264
23M → 24M3492-58#5264#5322
24M → 40K3783-46#5322#5368
40K → 25.2M1641-25#5368#5393
25.2M → Finish20133-113#5393#5506
TOTALS8762284-1408
📊

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