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BOSTON MARATHON 2025

Alexandre Thomas

Bib: 29710•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
9:54/mi
30:46
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:00:54
↑ 79↓ 1380.4%
15K· 9.32 mi
9:44/mi
1:31:08
↑ 67↓ 78
20K· 12.43 mi
9:43/mi
2:01:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:07:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:49/mi
2:31:39
↑ 66↓ 880.2%
30K· 18.64 mi
10:18/mi
3:03:38
↑ 181↓ 1480.2%
20M
10:12/mi
3:17:29
↑ 64↓ 500.2%
21M
10:52/mi
3:28:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:41/mi
3:35:36
↑ 17↓ 861.7%
23M
10:05/mi
3:48:14
↑ 23↓ 630.6%
24M
9:36/mi
3:57:50
↓ 821.3%
40K· 24.85 mi
9:47/mi
4:06:12
↓ 200.3%
25.2M
10:21/mi
4:09:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:18:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:51
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:10:54
Pace9:59 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2030:469:5430:46
9:54
-
10K
6.21 mi12:19:281:00:549:4830:08
9:42
-0:12
15K
9.32 mi12:49:421:31:089:4730:14
9:44
+0:02
20K
12.43 mi13:19:542:01:209:4630:12
9:43
-0:01
Half
13.11 mi13:26:252:07:519:456:31
9:33
-0:10
25K
15.53 mi13:50:132:31:399:4623:48
9:49
+0:16
30K
18.64 mi14:22:123:03:389:5131:59
10:18
+0:29
20M
20.00 mi14:36:033:17:299:5213:51
10:12
-0:06
21M
21.00 mi14:46:553:28:219:5510:52
10:52
+0:40
35K
21.75 mi14:54:103:35:369:557:15
9:41
-1:11
23M
23.00 mi15:06:483:48:149:5512:38
10:05
+0:24
24M
24.00 mi15:16:243:57:509:559:36
9:36
-0:29
40K
24.85 mi15:24:464:06:129:548:22
9:47
+0:11
25.2M
25.20 mi15:28:204:09:469:553:34
10:21
+0:34
Finish
26.22 mi15:37:194:18:459:538:59
8:49
-1:32

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

8:49 /mi

Average Pace

9:53 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:30

6% of race

Time at Steady Pace

2:50:21

66% of race

Time at Slower Pace

1:12:54

28% of race

Average Pace: 9:52 /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 mi11:49:2030:469:5430:46
9:54
#25351
10K
6.21 mi12:19:281:00:549:4830:08
9:42
#24975
15K
9.32 mi12:49:421:31:089:4730:14
9:44
#24771
20K
12.43 mi13:19:542:01:209:4630:12
9:43
#24455
Half
13.11 mi13:26:252:07:519:456:31
9:33
#24414
25K
15.53 mi13:50:132:31:399:4623:48
9:49
#24134
30K
18.64 mi14:22:123:03:389:5131:59
10:18
#23817
20M
20.00 mi14:36:033:17:299:5213:51
10:12
#23644
21M
21.00 mi14:46:553:28:219:5510:52
10:52
#23502
35K
21.75 mi14:54:103:35:369:557:15
9:41
#23381
23M
23.00 mi15:06:483:48:149:5512:38
10:05
#23262
24M
24.00 mi15:16:243:57:509:559:36
9:36
#23123
40K
24.85 mi15:24:464:06:129:548:22
9:47
#23003
25.2M
25.20 mi15:28:204:09:469:553:34
10:21
#22950
Finish
26.22 mi15:37:194:18:459:538:59
8:49
#22801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25351148861488624358(Top 86%)14418(Top 90%)14418(Top 604%)
10K6.21 mi3.10 mi24975+37614692+19414692+19424606(Top 87%)14519(Top 90%)14519(Top 609%)
15K9.32 mi3.11 mi24771+20414609+8314609+8324358(Top 86%)14418(Top 90%)14418(Top 604%)
20K12.43 mi3.11 mi24455+31614443+16614443+16623540(Top 83%)14031(Top 87%)14031(Top 588%)
Half13.11 mi0.68 mi24414+4114427+1614427+1623681(Top 83%)14084(Top 87%)14084(Top 590%)
25K15.53 mi2.42 mi24134+28014291+13614291+13622800(Top 80%)13656(Top 85%)13656(Top 572%)
30K18.64 mi3.11 mi23817+31714118+17314118+17322425(Top 79%)13356(Top 83%)13356(Top 560%)
20M20.00 mi1.36 mi23644+17314015+10314015+10321547(Top 76%)12838(Top 80%)12838(Top 538%)
21M21.00 mi1.00 mi23502+14213942+7313942+7321030(Top 74%)12518(Top 78%)12518(Top 525%)
35K21.75 mi0.75 mi23381+12113871+7113871+7120977(Top 74%)12439(Top 77%)12439(Top 521%)
23M23.00 mi1.25 mi23262+11913793+7813793+7820780(Top 73%)12289(Top 76%)12289(Top 515%)
24M24.00 mi1.00 mi23123+13913703+9013703+9019986(Top 70%)11869(Top 74%)11869(Top 497%)
40K24.85 mi0.85 mi23003+12013634+6913634+6919762(Top 70%)11691(Top 73%)11691(Top 490%)
25.2M25.20 mi0.35 mi22950+5313601+3313601+3318455(Top 65%)11063(Top 69%)11063(Top 464%)
Finish26.22 mi1.02 mi22801+14913518+8313518+8318135(Top 64%)10942(Top 68%)10942(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24358

Males

14418

M45-49

14418

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24606

Males

14519

M45-49

14519

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24358

Males

14418

M45-49

14418

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23540

Males

14031

M45-49

14031

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23681

Males

14084

M45-49

14084

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

22800

Males

13656

M45-49

13656

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22425

Males

13356

M45-49

13356

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21547

Males

12838

M45-49

12838

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21030

Males

12518

M45-49

12518

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20977

Males

12439

M45-49

12439

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20780

Males

12289

M45-49

12289

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19986

Males

11869

M45-49

11869

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19762

Males

11691

M45-49

11691

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18455

Males

11063

M45-49

11063

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18135

Males

10942

M45-49

10942

Passing Analysis

Category:
Athletes Passed
2768
Passed By
218
Net Change
+2550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25351
5K → 10K42347+376#25351#24975
10K → 15K25248+204#24975#24771
15K → 20K33014+316#24771#24455
20K → Half509+41#24455#24414
Half → 25K29414+280#24414#24134
25K → 30K35437+317#24134#23817
30K → 20M1829+173#23817#23644
20M → 21M15513+142#23644#23502
21M → 35K1265+121#23502#23381
35K → 23M12910+119#23381#23262
23M → 24M1423+139#23262#23123
24M → 40K1255+120#23123#23003
40K → 25.2M552+53#23003#22950
25.2M → Finish1512+149#22950#22801
TOTALS2768218+2550
📊

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