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BOSTON MARATHON 2025

Thomas Lab

Bib: 16286•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 48%
Division (M55-59)
#0 / 1648
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #13458
Start → 5K
23:45 | 7:39/mi
10K· 6.21 mi
47:13
Rank: #13023 (+435)
5K → 10K
23:28 | 7:33/mi
15K· 9.32 mi
1:09:57
Rank: #12022 (+1001)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:33:29
Rank: #11827 (+195)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:38:33
Rank: #11784 (+43)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:46
Rank: #11475 (+309)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:20:58
Rank: #11134 (+341)
25K → 30K
24:12 | 7:47/mi
20M
2:31:45
Rank: #10985 (+149)
30K → 20M
10:47 | 7:56/mi
21M
2:40:08
Rank: #10885 (+100)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:46:09
Rank: #10916 (-31)
21M → 35K
6:01 | 8:03/mi
23M
2:57:09
Rank: #11148 (-232)
35K → 23M
11:00 | 8:47/mi
24M
3:06:24
Rank: #11566 (-418)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:14:54
Rank: #12035 (-469)
24M → 40K
8:30 | 9:56/mi
25.2M
3:18:45
Rank: #12249 (-214)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:28:54
Rank: #12870 (-621)
25.2M → Finish
10:09 | 9:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:33
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0123:457:3923:45
7:39
-
10K
6.21 mi11:21:2947:137:3623:28
7:33
-0:06
15K
9.32 mi11:44:131:09:577:3022:44
7:19
-0:14
20K
12.43 mi12:07:451:33:297:3123:32
7:34
+0:15
Half
13.11 mi12:12:491:38:337:315:04
7:26
-0:08
25K
15.53 mi12:31:021:56:467:3118:13
7:31
+0:05
30K
18.64 mi12:55:142:20:587:3424:12
7:47
+0:16
20M
20.00 mi13:06:012:31:457:3510:47
7:56
+0:09
21M
21.00 mi13:14:242:40:087:388:23
8:23
+0:27
35K
21.75 mi13:20:252:46:097:386:01
8:03
-0:20
23M
23.00 mi13:31:252:57:097:4211:00
8:47
+0:44
24M
24.00 mi13:40:403:06:247:469:15
9:15
+0:28
40K
24.85 mi13:49:103:14:547:508:30
9:56
+0:41
25.2M
25.20 mi13:53:013:18:457:533:51
11:10
+1:14
Finish
26.22 mi14:03:103:28:547:5810:09
9:58
-1:12

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

7:19 /mi

Average Pace

7:58 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:44

11% of race

Time at Steady Pace

2:23:25

69% of race

Time at Slower Pace

42:45

20% of race

Average Pace: 7:58 /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 mi10:58:0123:457:3923:45
7:39
#13458
10K
6.21 mi11:21:2947:137:3623:28
7:33
#13023
15K
9.32 mi11:44:131:09:577:3022:44
7:19
#12022
20K
12.43 mi12:07:451:33:297:3123:32
7:34
#11827
Half
13.11 mi12:12:491:38:337:315:04
7:26
#11784
25K
15.53 mi12:31:021:56:467:3118:13
7:31
#11475
30K
18.64 mi12:55:142:20:587:3424:12
7:47
#11134
20M
20.00 mi13:06:012:31:457:3510:47
7:56
#10985
21M
21.00 mi13:14:242:40:087:388:23
8:23
#10885
35K
21.75 mi13:20:252:46:097:386:01
8:03
#10916
23M
23.00 mi13:31:252:57:097:4211:00
8:47
#11148
24M
24.00 mi13:40:403:06:247:469:15
9:15
#11566
40K
24.85 mi13:49:103:14:547:508:30
9:56
#12035
25.2M
25.20 mi13:53:013:18:457:533:51
11:10
#12249
Finish
26.22 mi14:03:103:28:547:5810:09
9:58
#12870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi134589843984310124(Top 36%)8156(Top 51%)8156(Top 495%)
10K6.21 mi3.10 mi13023+4359634+2099634+20912580(Top 44%)9409(Top 58%)9409(Top 571%)
15K9.32 mi3.11 mi12022+10019135+4999135+49910124(Top 36%)8156(Top 51%)8156(Top 495%)
20K12.43 mi3.11 mi11827+1959019+1169019+11611379(Top 40%)8681(Top 54%)8681(Top 527%)
Half13.11 mi0.68 mi11784+438991+288991+2811095(Top 39%)8611(Top 53%)8611(Top 523%)
25K15.53 mi2.42 mi11475+3098810+1818810+18110084(Top 36%)7927(Top 49%)7927(Top 481%)
30K18.64 mi3.11 mi11134+3418572+2388572+2389859(Top 35%)7615(Top 47%)7615(Top 462%)
20M20.00 mi1.36 mi10985+1498455+1178455+11710009(Top 35%)7555(Top 47%)7555(Top 458%)
21M21.00 mi1.00 mi10885+1008368+878368+879749(Top 34%)7241(Top 45%)7241(Top 439%)
35K21.75 mi0.75 mi10916-318356+128356+1212511(Top 44%)8572(Top 53%)8572(Top 520%)
23M23.00 mi1.25 mi11148-2328430-748430-7415010(Top 53%)9625(Top 60%)9625(Top 584%)
24M24.00 mi1.00 mi11566-4188588-1588588-15818546(Top 65%)11175(Top 69%)11175(Top 678%)
40K24.85 mi0.85 mi12035-4698776-1888776-18820235(Top 71%)11901(Top 74%)11901(Top 722%)
25.2M25.20 mi0.35 mi12249-2148875-998875-9921068(Top 74%)12309(Top 76%)12309(Top 747%)
Finish26.22 mi1.02 mi12870-6219146-2719146-27122788(Top 80%)13161(Top 82%)13161(Top 799%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10124

Males

8156

M55-59

8156

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12580

Males

9409

M55-59

9409

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10124

Males

8156

M55-59

8156

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11379

Males

8681

M55-59

8681

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11095

Males

8611

M55-59

8611

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10084

Males

7927

M55-59

7927

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9859

Males

7615

M55-59

7615

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

10009

Males

7555

M55-59

7555

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9749

Males

7241

M55-59

7241

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12511

Males

8572

M55-59

8572

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15010

Males

9625

M55-59

9625

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18546

Males

11175

M55-59

11175

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20235

Males

11901

M55-59

11901

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21068

Males

12309

M55-59

12309

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22788

Males

13161

M55-59

13161

Passing Analysis

Category:
Athletes Passed
3124
Passed By
2536
Net Change
+588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13458
5K → 10K540105+435#13458#13023
10K → 15K10098+1001#13023#12022
15K → 20K28792+195#12022#11827
20K → Half5714+43#11827#11784
Half → 25K33223+309#11784#11475
25K → 30K41675+341#11475#11134
30K → 20M18940+149#11134#10985
20M → 21M14848+100#10985#10885
21M → 35K5182-31#10885#10916
35K → 23M45277-232#10916#11148
23M → 24M25443-418#11148#11566
24M → 40K14483-469#11566#12035
40K → 25.2M5219-214#12035#12249
25.2M → Finish6627-621#12249#12870
TOTALS31242536+588
📊

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