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BOSTON MARATHON 2026

Aurélien Clerc

Bib: 32425•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:40
3.11 mi
Rank: #20529
Start → 5K
26:40 | 8:35/mi
10K
53:25
6.21 mi
Rank: #20735 (-206)
5K → 10K
26:45 | 8:37/mi
15K
1:20:04
9.32 mi
Rank: #20676 (+59)
10K → 15K
26:39 | 8:35/mi
20K
1:47:15
12.43 mi
Rank: #20666 (+10)
15K → 20K
27:11 | 8:45/mi
HALF
1:53:09
13.11 mi
Rank: #20685 (-19)
20K → HALF
5:54 | 8:40/mi
25K
2:15:11
15.53 mi
Rank: #20837 (-152)
HALF → 25K
22:02 | 9:06/mi
30K
2:45:37
18.64 mi
Rank: #21249 (-412)
25K → 30K
30:26 | 9:48/mi
20M
2:59:21
20.00 mi
Rank: #21405 (-156)
30K → 20M
13:44 | 10:07/mi
21M
3:10:24
21.00 mi
Rank: #21574 (-169)
20M → 21M
11:03 | 11:03/mi
35K
3:17:51
21.75 mi
Rank: #21653 (-79)
21M → 35K
7:27 | 9:58/mi
23M
3:30:49
23.00 mi
Rank: #21789 (-136)
35K → 23M
12:58 | 10:22/mi
24M
3:40:47
24.00 mi
Rank: #21881 (-92)
23M → 24M
9:58 | 9:58/mi
40K
3:50:16
24.85 mi
Rank: #22017 (-136)
24M → 40K
9:29 | 11:06/mi
25.2M
3:54:18
25.20 mi
Rank: #22068 (-51)
40K → 25.2M
4:02 | 11:42/mi
FINISH
4:05:35
26.22 mi
Rank: #22269 (-201)
25.2M → FINISH
11:17 | 11:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:09
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:12:26
Pace10:07 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3626:408:3526:40
8:35
-
10K
6.21 mi12:21:2153:258:3626:45
8:37
+0:02
15K
9.32 mi12:48:001:20:048:3626:39
8:35
-0:02
20K
12.43 mi13:15:111:47:158:3827:11
8:45
+0:10
HALF
13.11 mi13:21:051:53:098:385:54
8:40
-0:05
25K
15.53 mi13:43:072:15:118:4322:02
9:06
+0:26
30K
18.64 mi14:13:332:45:378:5430:26
9:48
+0:42
20M
20.00 mi14:27:172:59:218:5913:44
10:07
+0:19
21M
21.00 mi14:38:203:10:249:0511:03
11:03
+0:56
35K
21.75 mi14:45:473:17:519:067:27
9:58
-1:05
23M
23.00 mi14:58:453:30:499:1012:58
10:22
+0:24
24M
24.00 mi15:08:433:40:479:129:58
9:58
-0:24
40K
24.85 mi15:18:123:50:169:169:29
11:06
+1:08
25.2M
25.20 mi15:22:143:54:189:184:02
11:42
+0:36
FINISH
26.22 mi15:33:314:05:359:2311:17
11:05
-0:37

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:35 /mi

Average Pace

9:22 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:15:11

55% of race

Time at Steady Pace

1:14:33

30% of race

Time at Slower Pace

35:51

15% of race

Average Pace: 9:22 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:3626:408:3526:40
8:35
#20529
10K
6.21 mi12:21:2153:258:3626:45
8:37
#20735
15K
9.32 mi12:48:001:20:048:3626:39
8:35
#20676
20K
12.43 mi13:15:111:47:158:3827:11
8:45
#20666
HALF
13.11 mi13:21:051:53:098:385:54
8:40
#20685
25K
15.53 mi13:43:072:15:118:4322:02
9:06
#20837
30K
18.64 mi14:13:332:45:378:5430:26
9:48
#21249
20M
20.00 mi14:27:172:59:218:5913:44
10:07
#21405
21M
21.00 mi14:38:203:10:249:0511:03
11:03
#21574
35K
21.75 mi14:45:473:17:519:067:27
9:58
#21653
23M
23.00 mi14:58:453:30:499:1012:58
10:22
#21789
24M
24.00 mi15:08:433:40:479:129:58
9:58
#21881
40K
24.85 mi15:18:123:50:169:169:29
11:06
#22017
25.2M
25.20 mi15:22:143:54:189:184:02
11:42
#22068
FINISH
26.22 mi15:33:314:05:359:2311:17
11:05
#22269
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20529125151251520543(Top 71%)12593(Top 77%)12593(Top 522%)
10K6.21 mi3.10 mi20735-20612636-12112636-12120934(Top 72%)12752(Top 78%)12752(Top 528%)
15K9.32 mi3.11 mi20676+5912623+1312623+1320543(Top 71%)12593(Top 77%)12593(Top 522%)
20K12.43 mi3.11 mi20666+1012601+2212601+2220701(Top 71%)12626(Top 77%)12626(Top 523%)
HALF13.11 mi0.68 mi20685-1912615-1412615-1421100(Top 73%)12847(Top 79%)12847(Top 532%)
25K15.53 mi2.42 mi20837-15212673-5812673-5821563(Top 74%)13020(Top 80%)13020(Top 540%)
30K18.64 mi3.11 mi21249-41212858-18512858-18522553(Top 78%)13406(Top 82%)13406(Top 556%)
20M20.00 mi1.36 mi21405-15612917-5912917-5922868(Top 79%)13478(Top 82%)13478(Top 559%)
21M21.00 mi1.00 mi21574-16912992-7512992-7523219(Top 80%)13586(Top 83%)13586(Top 563%)
35K21.75 mi0.75 mi21653-7913020-2813020-2823030(Top 79%)13477(Top 82%)13477(Top 559%)
23M23.00 mi1.25 mi21789-13613066-4613066-4623030(Top 79%)13411(Top 82%)13411(Top 556%)
24M24.00 mi1.00 mi21881-9213096-3013096-3022688(Top 78%)13221(Top 81%)13221(Top 548%)
40K24.85 mi0.85 mi22017-13613160-6413160-6424414(Top 84%)13980(Top 86%)13980(Top 579%)
25.2M25.20 mi0.35 mi22068-5113171-1113171-1123866(Top 82%)13699(Top 84%)13699(Top 568%)
FINISH26.22 mi1.02 mi22269-20113253-8213253-8226222(Top 90%)14870(Top 91%)14870(Top 616%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20543

Males

12593

M45-49

12593

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20934

Males

12752

M45-49

12752

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20543

Males

12593

M45-49

12593

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20701

Males

12626

M45-49

12626

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21100

Males

12847

M45-49

12847

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21563

Males

13020

M45-49

13020

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22553

Males

13406

M45-49

13406

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22868

Males

13478

M45-49

13478

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23219

Males

13586

M45-49

13586

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

23030

Males

13477

M45-49

13477

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

23030

Males

13411

M45-49

13411

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22688

Males

13221

M45-49

13221

24M→40K

24.0 - 24.9 mi

Top 84%
×1
+6ft-20ft

Overall

24414

Males

13980

M45-49

13980

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23866

Males

13699

M45-49

13699

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
×2
+22ft-21ft

Overall

26222

Males

14870

M45-49

14870

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
976
Passed By
2716
Net Change
-1740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20529
5K → 10K186392-206#20529#20735
10K → 15K230171+59#20735#20676
15K → 20K169159+10#20676#20666
20K → HALF2342-19#20666#20685
HALF → 25K81233-152#20685#20837
25K → 30K63475-412#20837#21249
30K → 20M55211-156#21249#21405
20M → 21M43212-169#21405#21574
21M → 35K26105-79#21574#21653
35K → 23M42178-136#21653#21789
23M → 24M28120-92#21789#21881
24M → 40K11147-136#21881#22017
40K → 25.2M1061-51#22017#22068
25.2M → FINISH9210-201#22068#22269
TOTALS9762716-1740
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing