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BOSTON MARATHON 2025

Richard Chautin

Bib: 4346•M

LA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #9741
Start → 5K
22:28 | 7:14/mi
10K· 6.21 mi
44:49
Rank: #9553 (+188)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:07:31
Rank: #9695 (-142)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:30:22
Rank: #9608 (+87)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:35:22
Rank: #9636 (-28)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:48
Rank: #9780 (-144)
Half → 25K
18:26 | 7:36/mi
30K· 18.64 mi
2:20:48
Rank: #11059 (-1279)
25K → 30K
27:00 | 8:41/mi
20M
2:32:15
Rank: #11189 (-130)
30K → 20M
11:27 | 8:26/mi
21M
2:41:16
Rank: #11297 (-108)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:47:14
Rank: #11313 (-16)
21M → 35K
5:58 | 7:59/mi
23M
2:57:54
Rank: #11437 (-124)
35K → 23M
10:40 | 8:31/mi
24M
3:06:00
Rank: #11414 (+23)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:13:31
Rank: #11562 (-148)
24M → 40K
7:31 | 8:47/mi
25.2M
3:16:40
Rank: #11572 (-10)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:24:32
Rank: #11512 (+60)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:22
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:49:10
Pace8:20 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1322:287:1422:28
7:14
-
10K
6.21 mi10:47:3444:497:1322:21
7:12
-0:02
15K
9.32 mi11:10:161:07:317:1522:42
7:18
+0:06
20K
12.43 mi11:33:071:30:227:1622:51
7:21
+0:03
Half
13.11 mi11:38:071:35:227:165:00
7:20
-0:01
25K
15.53 mi11:56:331:53:487:2018:26
7:36
+0:16
30K
18.64 mi12:23:332:20:487:3327:00
8:41
+1:05
20M
20.00 mi12:35:002:32:157:3711:27
8:26
-0:15
21M
21.00 mi12:44:012:41:167:419:01
9:01
+0:35
35K
21.75 mi12:49:592:47:147:415:58
7:59
-1:02
23M
23.00 mi13:00:392:57:547:4410:40
8:31
+0:32
24M
24.00 mi13:08:453:06:007:458:06
8:06
-0:25
40K
24.85 mi13:16:163:13:317:477:31
8:47
+0:41
25.2M
25.20 mi13:19:253:16:407:483:09
9:08
+0:21
Finish
26.22 mi13:27:173:24:327:487:52
7:43
-1:25

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

7:12 /mi

Average Pace

7:48 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:48

56% of race

Time at Steady Pace

21:56

11% of race

Time at Slower Pace

1:08:48

34% of race

Average Pace: 7:48 /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 mi10:25:1322:287:1422:28
7:14
#9741
10K
6.21 mi10:47:3444:497:1322:21
7:12
#9553
15K
9.32 mi11:10:161:07:317:1522:42
7:18
#9695
20K
12.43 mi11:33:071:30:227:1622:51
7:21
#9608
Half
13.11 mi11:38:071:35:227:165:00
7:20
#9636
25K
15.53 mi11:56:331:53:487:2018:26
7:36
#9780
30K
18.64 mi12:23:332:20:487:3327:00
8:41
#11059
20M
20.00 mi12:35:002:32:157:3711:27
8:26
#11189
21M
21.00 mi12:44:012:41:167:419:01
9:01
#11297
35K
21.75 mi12:49:592:47:147:415:58
7:59
#11313
23M
23.00 mi13:00:392:57:547:4410:40
8:31
#11437
24M
24.00 mi13:08:453:06:007:458:06
8:06
#11414
40K
24.85 mi13:16:163:13:317:477:31
8:47
#11562
25.2M
25.20 mi13:19:253:16:407:483:09
9:08
#11572
Finish
26.22 mi13:27:173:24:327:487:52
7:43
#11512
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi97418030803010039(Top 35%)8107(Top 50%)8107(Top 144%)
10K6.21 mi3.10 mi9553+1887934+967934+969432(Top 33%)7839(Top 49%)7839(Top 139%)
15K9.32 mi3.11 mi9695-1427977-437977-4310039(Top 35%)8107(Top 50%)8107(Top 144%)
20K12.43 mi3.11 mi9608+877890+877890+879502(Top 33%)7743(Top 48%)7743(Top 137%)
Half13.11 mi0.68 mi9636-287901-117901-1110244(Top 36%)8160(Top 51%)8160(Top 145%)
25K15.53 mi2.42 mi9780-1447952-517952-5110776(Top 38%)8275(Top 51%)8275(Top 147%)
30K18.64 mi3.11 mi11059-12798534-5828534-58215923(Top 56%)10457(Top 65%)10457(Top 185%)
20M20.00 mi1.36 mi11189-1308556-228556-2213293(Top 47%)9116(Top 57%)9116(Top 162%)
21M21.00 mi1.00 mi11297-1088561-58561-513582(Top 48%)9138(Top 57%)9138(Top 162%)
35K21.75 mi0.75 mi11313-168544+178544+1712079(Top 43%)8359(Top 52%)8359(Top 148%)
23M23.00 mi1.25 mi11437-1248557-138557-1313400(Top 47%)8885(Top 55%)8885(Top 157%)
24M24.00 mi1.00 mi11414+238518+398518+3911872(Top 42%)8098(Top 50%)8098(Top 144%)
40K24.85 mi0.85 mi11562-1488556-388556-3815105(Top 53%)9481(Top 59%)9481(Top 168%)
25.2M25.20 mi0.35 mi11572-108544+128544+1212493(Top 44%)8222(Top 51%)8222(Top 146%)
Finish26.22 mi1.02 mi11512+608470+748470+7410835(Top 38%)7427(Top 46%)7427(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

10039

Males

8107

M18-39

8107

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9432

Males

7839

M18-39

7839

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

10039

Males

8107

M18-39

8107

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9502

Males

7743

M18-39

7743

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10244

Males

8160

M18-39

8160

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10776

Males

8275

M18-39

8275

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15923

Males

10457

M18-39

10457

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13293

Males

9116

M18-39

9116

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13582

Males

9138

M18-39

9138

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12079

Males

8359

M18-39

8359

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13400

Males

8885

M18-39

8885

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11872

Males

8098

M18-39

8098

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15105

Males

9481

M18-39

9481

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12493

Males

8222

M18-39

8222

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10835

Males

7427

M18-39

7427

Passing Analysis

Category:
Athletes Passed
1392
Passed By
3159
Net Change
-1771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9741
5K → 10K330141+188#9741#9553
10K → 15K126267-142#9553#9695
15K → 20K223136+87#9695#9608
20K → Half2048-28#9608#9636
Half → 25K114258-144#9636#9780
25K → 30K371314-1279#9780#11059
30K → 20M79209-130#11059#11189
20M → 21M64172-108#11189#11297
21M → 35K5571-16#11297#11313
35K → 23M69193-124#11313#11437
23M → 24M9572+23#11437#11414
24M → 40K34182-148#11414#11562
40K → 25.2M3343-10#11562#11572
25.2M → Finish11353+60#11572#11512
TOTALS13923159-1771
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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