Boston Marathon logo
BOSTON MARATHON 2025

Alistair Mcleod

Bib: 6000•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M50-54)
#0 / 1996
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #5078
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
41:02
Rank: #4537 (+541)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:20
Rank: #4253 (+284)
10K → 15K
20:18 | 6:32/mi
20K· 12.43 mi
1:21:47
Rank: #4019 (+234)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:26:15
Rank: #4015 (+4)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:17
Rank: #3902 (+113)
Half → 25K
16:02 | 6:37/mi
30K· 18.64 mi
2:03:23
Rank: #3758 (+144)
25K → 30K
21:06 | 6:47/mi
20M
2:12:41
Rank: #3672 (+86)
30K → 20M
9:18 | 6:51/mi
21M
2:20:01
Rank: #3655 (+17)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:25:05
Rank: #3644 (+11)
21M → 35K
5:04 | 6:46/mi
23M
2:33:48
Rank: #3598 (+46)
35K → 23M
8:43 | 6:58/mi
24M
2:40:41
Rank: #3568 (+30)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:46:33
Rank: #3520 (+48)
24M → 40K
5:52 | 6:52/mi
25.2M
2:49:10
Rank: #3498 (+22)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:55:58
Rank: #3481 (+17)
25.2M → Finish
6:48 | 6:40/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:15
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:43
Pace6:51 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3620:416:3920:41
6:39
-
10K
6.21 mi10:45:5741:026:3620:21
6:33
-0:06
15K
9.32 mi11:06:151:01:206:3520:18
6:32
-0:01
20K
12.43 mi11:26:421:21:476:3520:27
6:35
+0:03
Half
13.11 mi11:31:101:26:156:354:28
6:33
-0:02
25K
15.53 mi11:47:121:42:176:3516:02
6:37
+0:04
30K
18.64 mi12:08:182:03:236:3721:06
6:47
+0:10
20M
20.00 mi12:17:362:12:416:389:18
6:51
+0:04
21M
21.00 mi12:24:562:20:016:407:20
7:20
+0:29
35K
21.75 mi12:30:002:25:056:405:04
6:46
-0:34
23M
23.00 mi12:38:432:33:486:418:43
6:58
+0:12
24M
24.00 mi12:45:362:40:416:426:53
6:53
-0:05
40K
24.85 mi12:51:282:46:336:425:52
6:52
-0:01
25.2M
25.20 mi12:54:052:49:106:432:37
7:35
+0:43
Finish
26.22 mi13:00:532:55:586:436:48
6:40
-0:55

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

6:32 /mi

Average Pace

6:43 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:46:01

94% of race

Time at Steady Pace

9:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:3620:416:3920:41
6:39
#5078
10K
6.21 mi10:45:5741:026:3620:21
6:33
#4537
15K
9.32 mi11:06:151:01:206:3520:18
6:32
#4253
20K
12.43 mi11:26:421:21:476:3520:27
6:35
#4019
Half
13.11 mi11:31:101:26:156:354:28
6:33
#4015
25K
15.53 mi11:47:121:42:176:3516:02
6:37
#3902
30K
18.64 mi12:08:182:03:236:3721:06
6:47
#3758
20M
20.00 mi12:17:362:12:416:389:18
6:51
#3672
21M
21.00 mi12:24:562:20:016:407:20
7:20
#3655
35K
21.75 mi12:30:002:25:056:405:04
6:46
#3644
23M
23.00 mi12:38:432:33:486:418:43
6:58
#3598
24M
24.00 mi12:45:362:40:416:426:53
6:53
#3568
40K
24.85 mi12:51:282:46:336:425:52
6:52
#3520
25.2M
25.20 mi12:54:052:49:106:432:37
7:35
#3498
Finish
26.22 mi13:00:532:55:586:436:48
6:40
#3481
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5078474047403781(Top 13%)3567(Top 22%)3567(Top 179%)
10K6.21 mi3.10 mi4537+5414263+4774263+4774082(Top 14%)3840(Top 24%)3840(Top 192%)
15K9.32 mi3.11 mi4253+2844000+2634000+2633781(Top 13%)3567(Top 22%)3567(Top 179%)
20K12.43 mi3.11 mi4019+2343784+2163784+2163600(Top 13%)3404(Top 21%)3404(Top 171%)
Half13.11 mi0.68 mi4015+43781+33781+34027(Top 14%)3791(Top 24%)3791(Top 190%)
25K15.53 mi2.42 mi3902+1133678+1033678+1033552(Top 13%)3349(Top 21%)3349(Top 168%)
30K18.64 mi3.11 mi3758+1443544+1343544+1343399(Top 12%)3171(Top 20%)3171(Top 159%)
20M20.00 mi1.36 mi3672+863461+833461+833185(Top 11%)2950(Top 18%)2950(Top 148%)
21M21.00 mi1.00 mi3655+173440+213440+213787(Top 13%)3450(Top 21%)3450(Top 173%)
35K21.75 mi0.75 mi3644+113426+143426+143956(Top 14%)3556(Top 22%)3556(Top 178%)
23M23.00 mi1.25 mi3598+463380+463380+463540(Top 12%)3210(Top 20%)3210(Top 161%)
24M24.00 mi1.00 mi3568+303347+333347+333993(Top 14%)3532(Top 22%)3532(Top 177%)
40K24.85 mi0.85 mi3520+483298+493298+493172(Top 11%)2845(Top 18%)2845(Top 143%)
25.2M25.20 mi0.35 mi3498+223273+253273+253834(Top 13%)3316(Top 21%)3316(Top 166%)
Finish26.22 mi1.02 mi3481+173252+213252+213738(Top 13%)3243(Top 20%)3243(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3781

Males

3567

M50-54

3567

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4082

Males

3840

M50-54

3840

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3781

Males

3567

M50-54

3567

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3600

Males

3404

M50-54

3404

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4027

Males

3791

M50-54

3791

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3552

Males

3349

M50-54

3349

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3399

Males

3171

M50-54

3171

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3185

Males

2950

M50-54

2950

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3787

Males

3450

M50-54

3450

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3956

Males

3556

M50-54

3556

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3540

Males

3210

M50-54

3210

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3993

Males

3532

M50-54

3532

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3172

Males

2845

M50-54

2845

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3834

Males

3316

M50-54

3316

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3738

Males

3243

M50-54

3243

Passing Analysis

Category:
Athletes Passed
1943
Passed By
346
Net Change
+1597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5078
5K → 10K55716+541#5078#4537
10K → 15K30319+284#4537#4253
15K → 20K24713+234#4253#4019
20K → Half1713+4#4019#4015
Half → 25K13623+113#4015#3902
25K → 30K18440+144#3902#3758
30K → 20M9610+86#3758#3672
20M → 21M6144+17#3672#3655
21M → 35K3423+11#3655#3644
35K → 23M8741+46#3644#3598
23M → 24M6333+30#3598#3568
24M → 40K7224+48#3568#3520
40K → 25.2M3614+22#3520#3498
25.2M → Finish5033+17#3498#3481
TOTALS1943346+1597
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing