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BOSTON MARATHON 2025

Nicolas Sens

Bib: 11559 M FR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M55-59)
#0 / 1648
Top 10%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:03/mi
21:55
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:00/mi
43:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:03/mi
1:05:36
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:12/mi
1:27:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:11/mi
1:32:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:17/mi
1:50:32
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:35/mi
2:14:07
↑ 181↓ 1480.2%
138 ft elev
20M
7:46/mi
2:24:40
↑ 64↓ 500.2%
148 ft elev
21M
8:21/mi
2:33:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:28/mi
2:38:36
↑ 17↓ 861.7%
156 ft elev
23M
7:32/mi
2:48:02
↑ 23↓ 630.6%
116 ft elev
24M
7:20/mi
2:55:22
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:34/mi
3:01:50
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:04:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:33/mi
3:12:28
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:32:537:05 /mi⚡ faster
2nd Half
1:39:357:36 /mi+7.2%
Positive split — 7.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:557:033.11 mi21:55
7:03
-
10K
43:417:023.10 mi21:46
7:00
-0:03
15K
1:05:367:023.11 mi21:55
7:03
+0:03
20K
1:27:597:053.11 mi22:23
7:12
+0:09
Half(13.11 mi)
1:32:537:050.68 mi4:54
7:11
-0:01
25K
1:50:327:072.42 mi17:39
7:17
+0:06
30K
2:14:077:123.11 mi23:35
7:35
+0:18
20M
2:24:407:141.36 mi10:33
7:46
+0:11
21M
2:33:017:171.00 mi8:21
8:21
+0:35
35K
2:38:367:180.75 mi5:35
7:28
-0:53
23M
2:48:027:181.25 mi9:26
7:32
+0:04
24M
2:55:227:181.00 mi7:20
7:20
-0:12
40K
3:01:507:190.85 mi6:28
7:34
+0:14
25.2M
3:04:467:200.35 mi2:56
8:30
+0:56
Finish(26.22 mi)
3:12:287:211.02 mi7:42
7:33
-0:57
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:00 /mi

Average Pace

7:21 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:32:53

48% of race

Time at Steady Pace

1:17:45

40% of race

Time at Slower Pace

21:50

11% of race

Average Pace: 7:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi824271487148798669326932
10K3.10 mi8084+1587039+1097039+109794669426942
15K3.11 mi8026+586992+476992+47798669326932
20K3.11 mi8033-76975+176975+17823770097009
Half(13.11 mi)0.68 mi8061-286989-146989-14886773897389
25K2.42 mi8039+226952+376952+37819068726872
30K3.11 mi7989+506864+886864+88836768026802
20M1.36 mi8004-156835+296835+29877468786878
21M1.00 mi8020-166812+236812+23950070987098
35K0.75 mi7997+236780+326780+32832764916491
23M1.25 mi7849+1486644+1366644+136681454815481
24M1.00 mi7769+806562+826562+82660052945294
40K0.85 mi7713+566486+766486+76716555265526
25.2M0.35 mi7703+106467+196467+19875963186318
Finish(26.22 mi)1.02 mi7735-3264676467956767396739

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7986

Males

6932

M55-59

6932

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7946

Males

6942

M55-59

6942

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7986

Males

6932

M55-59

6932

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8237

Males

7009

M55-59

7009

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8867

Males

7389

M55-59

7389

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8190

Males

6872

M55-59

6872

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8367

Males

6802

M55-59

6802

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8774

Males

6878

M55-59

6878

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9500

Males

7098

M55-59

7098

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8327

Males

6491

M55-59

6491

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6814

Males

5481

M55-59

5481

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6600

Males

5294

M55-59

5294

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7165

Males

5526

M55-59

5526

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8759

Males

6318

M55-59

6318

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9567

Males

6739

M55-59

6739

Passing Analysis

Category:
Passed
1708
Passed By
1201
Net Change
+507
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8242
5K → 10K297139+158#8242#8084
10K → 15K164106+58#8084#8026
15K → 20K141148-7#8026#8033
20K → Half1846-28#8033#8061
Half → 25K141119+22#8061#8039
25K → 30K211161+50#8039#7989
30K → 20M96111-15#7989#8004
20M → 21M99115-16#8004#8020
21M → 35K7249+23#8020#7997
35K → 23M16921+148#7997#7849
23M → 24M11131+80#7849#7769
24M → 40K10044+56#7769#7713
40K → 25.2M3525+10#7713#7703
25.2M → Finish5486-32#7703#7735
TOTALS17081201+507

Passing Charts

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