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BOSTON MARATHON 2025

Randy Laing

Bib: 12199•M

IA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10253
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
45:16
Rank: #10209 (+44)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:07:50
Rank: #10015 (+194)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:30:39
Rank: #9820 (+195)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:35:36
Rank: #9798 (+22)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:57
Rank: #9869 (-71)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:18:31
Rank: #9970 (-101)
25K → 30K
24:34 | 7:54/mi
20M
2:29:24
Rank: #9956 (+14)
30K → 20M
10:53 | 8:01/mi
21M
2:37:58
Rank: #10016 (-60)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:43:48
Rank: #10016
21M → 35K
5:50 | 7:48/mi
23M
2:54:00
Rank: #10053 (-37)
35K → 23M
10:12 | 8:09/mi
24M
3:02:03
Rank: #10104 (-51)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:09:02
Rank: #10123 (-19)
24M → 40K
6:59 | 8:10/mi
25.2M
3:12:08
Rank: #10139 (-16)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:20:02
Rank: #10158 (-19)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:36
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0922:397:1722:39
7:17
-
10K
6.21 mi11:13:4645:167:1722:37
7:17
0:00
15K
9.32 mi11:36:201:07:507:1722:34
7:16
-0:01
20K
12.43 mi11:59:091:30:397:1822:49
7:21
+0:05
Half
13.11 mi12:04:061:35:367:184:57
7:15
-0:06
25K
15.53 mi12:22:271:53:577:2018:21
7:34
+0:19
30K
18.64 mi12:47:012:18:317:2624:34
7:54
+0:20
20M
20.00 mi12:57:542:29:247:2810:53
8:01
+0:07
21M
21.00 mi13:06:282:37:587:318:34
8:34
+0:33
35K
21.75 mi13:12:182:43:487:325:50
7:48
-0:46
23M
23.00 mi13:22:302:54:007:3410:12
8:09
+0:21
24M
24.00 mi13:30:333:02:037:358:03
8:03
-0:06
40K
24.85 mi13:37:323:09:027:366:59
8:10
+0:07
25.2M
25.20 mi13:40:383:12:087:373:06
8:59
+0:49
Finish
26.22 mi13:48:323:20:027:387:54
7:45
-1:14

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

7:38 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:36

48% of race

Time at Steady Pace

1:07:32

34% of race

Time at Slower Pace

36:54

18% of race

Average Pace: 7:38 /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 mi10:51:0922:397:1722:39
7:17
#10253
10K
6.21 mi11:13:4645:167:1722:37
7:17
#10209
15K
9.32 mi11:36:201:07:507:1722:34
7:16
#10015
20K
12.43 mi11:59:091:30:397:1822:49
7:21
#9820
Half
13.11 mi12:04:061:35:367:184:57
7:15
#9798
25K
15.53 mi12:22:271:53:577:2018:21
7:34
#9869
30K
18.64 mi12:47:012:18:317:2624:34
7:54
#9970
20M
20.00 mi12:57:542:29:247:2810:53
8:01
#9956
21M
21.00 mi13:06:282:37:587:318:34
8:34
#10016
35K
21.75 mi13:12:182:43:487:325:50
7:48
#10016
23M
23.00 mi13:22:302:54:007:3410:12
8:09
#10053
24M
24.00 mi13:30:333:02:037:358:03
8:03
#10104
40K
24.85 mi13:37:323:09:027:366:59
8:10
#10123
25.2M
25.20 mi13:40:383:12:087:373:06
8:59
#10139
Finish
26.22 mi13:48:323:20:027:387:54
7:45
#10158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10253830083009672(Top 34%)7907(Top 49%)7907(Top 331%)
10K6.21 mi3.10 mi10209+448274+268274+2610173(Top 36%)8245(Top 51%)8245(Top 346%)
15K9.32 mi3.11 mi10015+1948142+1328142+1329672(Top 34%)7907(Top 49%)7907(Top 331%)
20K12.43 mi3.11 mi9820+1958013+1298013+1299391(Top 33%)7677(Top 48%)7677(Top 322%)
Half13.11 mi0.68 mi9798+227996+177996+179567(Top 34%)7802(Top 48%)7802(Top 327%)
25K15.53 mi2.42 mi9869-717994+27994+210486(Top 37%)8138(Top 51%)8138(Top 341%)
30K18.64 mi3.11 mi9970-1018001-78001-710678(Top 38%)8012(Top 50%)8012(Top 336%)
20M20.00 mi1.36 mi9956+147962+397962+3910487(Top 37%)7780(Top 48%)7780(Top 326%)
21M21.00 mi1.00 mi10016-607951+117951+1110869(Top 38%)7808(Top 48%)7808(Top 327%)
35K21.75 mi0.75 mi100167914+377914+3710758(Top 38%)7740(Top 48%)7740(Top 324%)
23M23.00 mi1.25 mi10053-377893+217893+2111009(Top 39%)7754(Top 48%)7754(Top 325%)
24M24.00 mi1.00 mi10104-517885+87885+811566(Top 41%)7930(Top 49%)7930(Top 332%)
40K24.85 mi0.85 mi10123-197855+307855+3011334(Top 40%)7725(Top 48%)7725(Top 324%)
25.2M25.20 mi0.35 mi10139-167850+57850+511676(Top 41%)7810(Top 48%)7810(Top 327%)
Finish26.22 mi1.02 mi10158-197833+177833+1711057(Top 39%)7534(Top 47%)7534(Top 316%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9672

Males

7907

M45-49

7907

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10173

Males

8245

M45-49

8245

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9672

Males

7907

M45-49

7907

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9391

Males

7677

M45-49

7677

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9567

Males

7802

M45-49

7802

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10486

Males

8138

M45-49

8138

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10678

Males

8012

M45-49

8012

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10487

Males

7780

M45-49

7780

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10869

Males

7808

M45-49

7808

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10758

Males

7740

M45-49

7740

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11009

Males

7754

M45-49

7754

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11566

Males

7930

M45-49

7930

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11334

Males

7725

M45-49

7725

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11676

Males

7810

M45-49

7810

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11057

Males

7534

M45-49

7534

Passing Analysis

Category:
Athletes Passed
1790*
Passed By
1689
Net Change
+95
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10253
5K → 10K266222+44#10253#10209
10K → 15K27682+194#10209#10015
15K → 20K278*83+195#10015#9820
20K → Half4725+22#9820#9798
Half → 25K131202-71#9798#9869
25K → 30K193294-101#9869#9970
30K → 20M123108+14#9970#9956
20M → 21M91149-60#9956#10016
21M → 35K68670#10016#10016
35K → 23M82118-37#10016#10053
23M → 24M66116-51#10053#10104
24M → 40K7796-19#10104#10123
40K → 25.2M2036-16#10123#10139
25.2M → Finish7291-19#10139#10158
TOTALS1790*1689+95

* 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