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BOSTON MARATHON 2025

Guy Lamontagne

Bib: 20842•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 49%
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
8:26/mi
26:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:19:11
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:47:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:02
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:13:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:41:31
↑ 181↓ 1480.2%
20M
8:42/mi
2:53:20
↑ 64↓ 500.2%
21M
8:55/mi
3:02:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
3:08:14
↑ 17↓ 861.7%
23M
8:18/mi
3:18:38
↑ 23↓ 630.6%
24M
9:45/mi
3:28:23
↓ 821.3%
40K· 24.85 mi
9:59/mi
3:36:55
↓ 200.3%
25.2M
10:52/mi
3:40:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:51/mi
3:50:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:02
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1726:138:2626:13
8:26
-
10K
6.21 mi11:46:4152:378:2826:24
8:30
+0:04
15K
9.32 mi12:13:151:19:118:3026:34
8:33
+0:03
20K
12.43 mi12:41:161:47:128:3828:01
9:01
+0:28
Half
13.11 mi12:47:061:53:028:375:50
8:33
-0:28
25K
15.53 mi13:07:562:13:528:3720:50
8:36
+0:03
30K
18.64 mi13:35:352:41:318:4027:39
8:54
+0:18
20M
20.00 mi13:47:242:53:208:4011:49
8:42
-0:12
21M
21.00 mi13:56:193:02:158:418:55
8:55
+0:13
35K
21.75 mi14:02:183:08:148:395:59
8:00
-0:55
23M
23.00 mi14:12:423:18:388:3810:24
8:18
+0:18
24M
24.00 mi14:22:273:28:238:419:45
9:45
+1:27
40K
24.85 mi14:30:593:36:558:448:32
9:59
+0:14
25.2M
25.20 mi14:34:443:40:408:453:45
10:52
+0:53
Finish
26.22 mi14:44:463:50:428:4810:02
9:51
-1:01

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

8:00 /mi

Average Pace

8:48 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:23

7% of race

Time at Steady Pace

3:02:15

79% of race

Time at Slower Pace

32:04

14% of race

Average Pace: 8:48 /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 mi11:20:1726:138:2626:13
8:26
#19514
10K
6.21 mi11:46:4152:378:2826:24
8:30
#19630
15K
9.32 mi12:13:151:19:118:3026:34
8:33
#19616
20K
12.43 mi12:41:161:47:128:3828:01
9:01
#20006
Half
13.11 mi12:47:061:53:028:375:50
8:33
#19978
25K
15.53 mi13:07:562:13:528:3720:50
8:36
#19607
30K
18.64 mi13:35:352:41:318:4027:39
8:54
#19129
20M
20.00 mi13:47:242:53:208:4011:49
8:42
#18830
21M
21.00 mi13:56:193:02:158:418:55
8:55
#18480
35K
21.75 mi14:02:183:08:148:395:59
8:00
#18251
23M
23.00 mi14:12:423:18:388:3810:24
8:18
#17892
24M
24.00 mi14:22:273:28:238:419:45
9:45
#18042
40K
24.85 mi14:30:593:36:558:448:32
9:59
#18172
25.2M
25.20 mi14:34:443:40:408:453:45
10:52
#18239
Finish
26.22 mi14:44:463:50:428:4810:02
9:51
#18471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19514122521225219626(Top 69%)12337(Top 77%)12337(Top 980%)
10K6.21 mi3.10 mi19630-11612315-6312315-6319770(Top 70%)12371(Top 77%)12371(Top 983%)
15K9.32 mi3.11 mi19616+14123151231519626(Top 69%)12337(Top 77%)12337(Top 980%)
20K12.43 mi3.11 mi20006-39012473-15812473-15821056(Top 74%)12903(Top 80%)12903(Top 1025%)
Half13.11 mi0.68 mi19978+2812457+1612457+1619479(Top 69%)12243(Top 76%)12243(Top 972%)
25K15.53 mi2.42 mi19607+37112290+16712290+16717760(Top 63%)11428(Top 71%)11428(Top 908%)
30K18.64 mi3.11 mi19129+47812040+25012040+25017148(Top 60%)11000(Top 68%)11000(Top 874%)
20M20.00 mi1.36 mi18830+29911905+13511905+13515034(Top 53%)9939(Top 62%)9939(Top 789%)
21M21.00 mi1.00 mi18480+35011717+18811717+18813026(Top 46%)8864(Top 55%)8864(Top 704%)
35K21.75 mi0.75 mi18251+22911601+11611601+11612255(Top 43%)8460(Top 53%)8460(Top 672%)
23M23.00 mi1.25 mi17892+35911408+19311408+19312078(Top 43%)8278(Top 51%)8278(Top 658%)
24M24.00 mi1.00 mi18042-15011455-4711455-4720548(Top 72%)12124(Top 75%)12124(Top 963%)
40K24.85 mi0.85 mi18172-13011481-2611481-2620396(Top 72%)11981(Top 74%)11981(Top 952%)
25.2M25.20 mi0.35 mi18239-6711502-2111502-2120219(Top 71%)11888(Top 74%)11888(Top 944%)
Finish26.22 mi1.02 mi18471-23211582-8011582-8022423(Top 79%)12975(Top 81%)12975(Top 1031%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19626

Males

12337

M60-64

12337

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19770

Males

12371

M60-64

12371

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19626

Males

12337

M60-64

12337

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21056

Males

12903

M60-64

12903

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19479

Males

12243

M60-64

12243

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17760

Males

11428

M60-64

11428

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

17148

Males

11000

M60-64

11000

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15034

Males

9939

M60-64

9939

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13026

Males

8864

M60-64

8864

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12255

Males

8460

M60-64

8460

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12078

Males

8278

M60-64

8278

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20548

Males

12124

M60-64

12124

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20396

Males

11981

M60-64

11981

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20219

Males

11888

M60-64

11888

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22423

Males

12975

M60-64

12975

Passing Analysis

Category:
Athletes Passed
2801
Passed By
1758
Net Change
+1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19514
5K → 10K215331-116#19514#19630
10K → 15K203189+14#19630#19616
15K → 20K93483-390#19616#20006
20K → Half4214+28#20006#19978
Half → 25K38716+371#19978#19607
25K → 30K51436+478#19607#19129
30K → 20M3034+299#19129#18830
20M → 21M3566+350#18830#18480
21M → 35K2290+229#18480#18251
35K → 23M3623+359#18251#17892
23M → 24M39189-150#17892#18042
24M → 40K39169-130#18042#18172
40K → 25.2M774-67#18172#18239
25.2M → Finish12244-232#18239#18471
TOTALS28011758+1043
📊

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