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BOSTON MARATHON 2025

Nicolas Sens

Bib: 11559•M

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

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
7:03/mi
21:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:05:36
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:27:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:32:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:50:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:14:07
↑ 181↓ 1480.2%
20M
7:46/mi
2:24:40
↑ 64↓ 500.2%
21M
8:21/mi
2:33:01
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:38:36
↑ 17↓ 861.7%
23M
7:32/mi
2:48:02
↑ 23↓ 630.6%
24M
7:20/mi
2:55:22
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:01:50
↓ 200.3%
25.2M
8:30/mi
3:04:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:12:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:53
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:39:35
Pace7:36 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3621:557:0321:55
7:03
-
10K
6.21 mi11:11:2243:417:0221:46
7:00
-0:03
15K
9.32 mi11:33:171:05:367:0221:55
7:03
+0:03
20K
12.43 mi11:55:401:27:597:0522:23
7:12
+0:09
Half
13.11 mi12:00:341:32:537:054:54
7:11
-0:01
25K
15.53 mi12:18:131:50:327:0717:39
7:17
+0:06
30K
18.64 mi12:41:482:14:077:1223:35
7:35
+0:18
20M
20.00 mi12:52:212:24:407:1410:33
7:46
+0:11
21M
21.00 mi13:00:422:33:017:178:21
8:21
+0:35
35K
21.75 mi13:06:172:38:367:185:35
7:28
-0:53
23M
23.00 mi13:15:432:48:027:189:26
7:32
+0:04
24M
24.00 mi13:23:032:55:227:187:20
7:20
-0:12
40K
24.85 mi13:29:313:01:507:196:28
7:34
+0:14
25.2M
25.20 mi13:32:273:04:467:202:56
8:30
+0:56
Finish
26.22 mi13:40:093:12:287:217:42
7:33
-0:57

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

7:00 /mi

Average Pace

7:21 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

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

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 mi10:49:3621:557:0321:55
7:03
#8242
10K
6.21 mi11:11:2243:417:0221:46
7:00
#8084
15K
9.32 mi11:33:171:05:367:0221:55
7:03
#8026
20K
12.43 mi11:55:401:27:597:0522:23
7:12
#8033
Half
13.11 mi12:00:341:32:537:054:54
7:11
#8061
25K
15.53 mi12:18:131:50:327:0717:39
7:17
#8039
30K
18.64 mi12:41:482:14:077:1223:35
7:35
#7989
20M
20.00 mi12:52:212:24:407:1410:33
7:46
#8004
21M
21.00 mi13:00:422:33:017:178:21
8:21
#8020
35K
21.75 mi13:06:172:38:367:185:35
7:28
#7997
23M
23.00 mi13:15:432:48:027:189:26
7:32
#7849
24M
24.00 mi13:23:032:55:227:187:20
7:20
#7769
40K
24.85 mi13:29:313:01:507:196:28
7:34
#7713
25.2M
25.20 mi13:32:273:04:467:202:56
8:30
#7703
Finish
26.22 mi13:40:093:12:287:217:42
7:33
#7735
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8242714871487986(Top 28%)6932(Top 43%)6932(Top 421%)
10K6.21 mi3.10 mi8084+1587039+1097039+1097946(Top 28%)6942(Top 43%)6942(Top 421%)
15K9.32 mi3.11 mi8026+586992+476992+477986(Top 28%)6932(Top 43%)6932(Top 421%)
20K12.43 mi3.11 mi8033-76975+176975+178237(Top 29%)7009(Top 44%)7009(Top 425%)
Half13.11 mi0.68 mi8061-286989-146989-148867(Top 31%)7389(Top 46%)7389(Top 448%)
25K15.53 mi2.42 mi8039+226952+376952+378190(Top 29%)6872(Top 43%)6872(Top 417%)
30K18.64 mi3.11 mi7989+506864+886864+888367(Top 29%)6802(Top 42%)6802(Top 413%)
20M20.00 mi1.36 mi8004-156835+296835+298774(Top 31%)6878(Top 43%)6878(Top 417%)
21M21.00 mi1.00 mi8020-166812+236812+239500(Top 33%)7098(Top 44%)7098(Top 431%)
35K21.75 mi0.75 mi7997+236780+326780+328327(Top 29%)6491(Top 40%)6491(Top 394%)
23M23.00 mi1.25 mi7849+1486644+1366644+1366814(Top 24%)5481(Top 34%)5481(Top 333%)
24M24.00 mi1.00 mi7769+806562+826562+826600(Top 23%)5294(Top 33%)5294(Top 321%)
40K24.85 mi0.85 mi7713+566486+766486+767165(Top 25%)5526(Top 34%)5526(Top 335%)
25.2M25.20 mi0.35 mi7703+106467+196467+198759(Top 31%)6318(Top 39%)6318(Top 383%)
Finish26.22 mi1.02 mi7735-32646764679567(Top 34%)6739(Top 42%)6739(Top 409%)

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:
Athletes Passed
1708
Passed By
1201
Net Change
+507
SegmentAthletes PassedPassed 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 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