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BOSTON MARATHON 2025

Michael Chasse

Bib: 13376•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Masters (Masters Men)
#0 / 10463
Top 32%
Division (M60-64)
#0 / 1259
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:11
Rank: #11883
Start → 5K
7:28/mi
23:11 split
10K· 6.21 mi
46:04
Rank: #11342 (+541)
5K → 10K
7:22/mi
22:53 split
15K· 9.32 mi
1:09:03
Rank: #11136 (+206)
10K → 15K
7:24/mi
22:59 split
20K· 12.43 mi
1:31:58
Rank: #10761 (+375)
15K → 20K
7:23/mi
22:55 split
Half· 13.11 mi
1:36:55
Rank: #10686 (+75)
20K → Half
7:15/mi
4:57 split
25K· 15.53 mi
1:54:48
Rank: #10356 (+330)
Half → 25K
7:23/mi
17:53 split
30K· 18.64 mi
2:17:53
Rank: #9676 (+680)
25K → 30K
7:26/mi
23:05 split
20M
2:28:12
Rank: #9468 (+208)
30K → 20M
7:36/mi
10:19 split
21M
2:36:11
Rank: #9284 (+184)
20M → 21M
7:59/mi
7:59 split
35K· 21.75 mi
2:41:56
Rank: #9296 (-12)
21M → 35K
7:41/mi
5:45 split
23M
2:51:42
Rank: #9195 (+101)
35K → 23M
7:48/mi
9:46 split
24M
2:59:18
Rank: #9131 (+64)
23M → 24M
7:36/mi
7:36 split
40K· 24.85 mi
3:05:44
Rank: #9004 (+127)
24M → 40K
7:31/mi
6:26 split
25.2M
3:08:38
Rank: #8969 (+35)
40K → 25.2M
8:25/mi
2:54 split
Finish· 26.22 mi
3:16:04
Rank: #8876 (+93)
25.2M → Finish
7:18/mi
7:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0623:117:2823:11
7:28
-
10K
6.21 mi11:16:5946:047:2522:53
7:22
-0:06
15K
9.32 mi11:39:581:09:037:2522:59
7:24
+0:02
20K
12.43 mi12:02:531:31:587:2422:55
7:23
-0:01
Half
13.11 mi12:07:501:36:557:244:57
7:15
-0:08
25K
15.53 mi12:25:431:54:487:2317:53
7:23
+0:08
30K
18.64 mi12:48:482:17:537:2423:05
7:26
+0:03
20M
20.00 mi12:59:072:28:127:2510:19
7:36
+0:10
21M
21.00 mi13:07:062:36:117:267:59
7:59
+0:23
35K
21.75 mi13:12:512:41:567:275:45
7:41
-0:18
23M
23.00 mi13:22:372:51:427:289:46
7:48
+0:07
24M
24.00 mi13:30:132:59:187:287:36
7:36
-0:12
40K
24.85 mi13:36:393:05:447:286:26
7:31
-0:05
25.2M
25.20 mi13:39:333:08:387:292:54
8:25
+0:54
Finish
26.22 mi13:46:593:16:047:297:26
7:18
-1:07

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

7:15 /mi

Average Pace

7:29 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:11

94% of race

Time at Steady Pace

10:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:54:0623:117:2823:11
7:28
#11883
10K
6.21 mi11:16:5946:047:2522:53
7:22
#11342
15K
9.32 mi11:39:581:09:037:2522:59
7:24
#11136
20K
12.43 mi12:02:531:31:587:2422:55
7:23
#10761
Half
13.11 mi12:07:501:36:557:244:57
7:15
#10686
25K
15.53 mi12:25:431:54:487:2317:53
7:23
#10356
30K
18.64 mi12:48:482:17:537:2423:05
7:26
#9676
20M
20.00 mi12:59:072:28:127:2510:19
7:36
#9468
21M
21.00 mi13:07:062:36:117:267:59
7:59
#9284
35K
21.75 mi13:12:512:41:567:275:45
7:41
#9296
23M
23.00 mi13:22:372:51:427:289:46
7:48
#9195
24M
24.00 mi13:30:132:59:187:287:36
7:36
#9131
40K
24.85 mi13:36:393:05:447:286:26
7:31
#9004
25.2M
25.20 mi13:39:333:08:387:292:54
8:25
#8969
Finish
26.22 mi13:46:593:16:047:297:26
7:18
#8876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi118839118911810836(Top 38%)8512(Top 53%)8512(Top 676%)
10K6.21 mi3.10 mi11342+5418840+2788840+27810860(Top 38%)8594(Top 53%)8594(Top 683%)
15K9.32 mi3.11 mi11136+2068719+1218719+12110836(Top 38%)8512(Top 53%)8512(Top 676%)
20K12.43 mi3.11 mi10761+3758509+2108509+2109677(Top 34%)7832(Top 49%)7832(Top 622%)
Half13.11 mi0.68 mi10686+758470+398470+399536(Top 34%)7771(Top 48%)7771(Top 617%)
25K15.53 mi2.42 mi10356+3308257+2138257+2138945(Top 31%)7304(Top 45%)7304(Top 580%)
30K18.64 mi3.11 mi9676+6807835+4227835+4227238(Top 25%)6115(Top 38%)6115(Top 486%)
20M20.00 mi1.36 mi9468+2087682+1537682+1537624(Top 27%)6226(Top 39%)6226(Top 495%)
21M21.00 mi1.00 mi9284+1847554+1287554+1287259(Top 26%)5833(Top 36%)5833(Top 463%)
35K21.75 mi0.75 mi9296-127540+147540+149914(Top 35%)7314(Top 45%)7314(Top 581%)
23M23.00 mi1.25 mi9195+1017448+927448+928572(Top 30%)6479(Top 40%)6479(Top 515%)
24M24.00 mi1.00 mi9131+647383+657383+658397(Top 30%)6326(Top 39%)6326(Top 502%)
40K24.85 mi0.85 mi9004+1277269+1147269+1146936(Top 24%)5391(Top 33%)5391(Top 428%)
25.2M25.20 mi0.35 mi8969+357232+377232+378211(Top 29%)6035(Top 37%)6035(Top 479%)
Finish26.22 mi1.02 mi8876+937136+967136+967731(Top 27%)5760(Top 36%)5760(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10836

Males

8512

M60-64

8512

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10860

Males

8594

M60-64

8594

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10836

Males

8512

M60-64

8512

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9677

Males

7832

M60-64

7832

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9536

Males

7771

M60-64

7771

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8945

Males

7304

M60-64

7304

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7238

Males

6115

M60-64

6115

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7624

Males

6226

M60-64

6226

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7259

Males

5833

M60-64

5833

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9914

Males

7314

M60-64

7314

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8572

Males

6479

M60-64

6479

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8397

Males

6326

M60-64

6326

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6936

Males

5391

M60-64

5391

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8211

Males

6035

M60-64

6035

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7731

Males

5760

M60-64

5760

Passing Analysis

Category:
Athletes Passed
3498*
Passed By
491
Net Change
+3007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11883
5K → 10K61372+541#11883#11342
10K → 15K29993+206#11342#11136
15K → 20K40025+375#11136#10761
20K → Half805+75#10761#10686
Half → 25K35323+330#10686#10356
25K → 30K684*4+680#10356#9676
30K → 20M22416+208#9676#9468
20M → 21M19612+184#9468#9284
21M → 35K5668-12#9284#9296
35K → 23M15352+101#9296#9195
23M → 24M10743+64#9195#9131
24M → 40K15629+127#9131#9004
40K → 25.2M5318+35#9004#8969
25.2M → Finish12431+93#8969#8876
TOTALS3498*491+3007

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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