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BOSTON MARATHON 2025

Alastair Murray

Bib: 5101•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Division (M18-39)
#0 / 5642
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
6:43/mi
20:53
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
41:54
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:02:56
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:24:19
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:29:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:03/mi
1:46:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:09:05
↑ 181↓ 1480.2%
20M
7:33/mi
2:19:21
↑ 64↓ 500.2%
21M
8:14/mi
2:27:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:33:18
↑ 17↓ 861.7%
23M
7:56/mi
2:43:14
↑ 23↓ 630.6%
24M
7:45/mi
2:50:59
↓ 821.3%
40K· 24.85 mi
7:56/mi
2:57:46
↓ 200.3%
25.2M
8:42/mi
3:00:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:08:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:00
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:39:50
Pace7:37 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3820:536:4320:53
6:43
-
10K
6.21 mi10:45:3941:546:4521:01
6:46
+0:03
15K
9.32 mi11:06:411:02:566:4521:02
6:46
0:00
20K
12.43 mi11:28:041:24:196:4721:23
6:53
+0:07
Half
13.11 mi11:32:451:29:006:474:41
6:52
-0:01
25K
15.53 mi11:49:511:46:066:5017:06
7:03
+0:11
30K
18.64 mi12:12:502:09:056:5522:59
7:24
+0:21
20M
20.00 mi12:23:062:19:216:5810:16
7:33
+0:09
21M
21.00 mi12:31:202:27:357:028:14
8:14
+0:41
35K
21.75 mi12:37:032:33:187:035:43
7:38
-0:36
23M
23.00 mi12:46:592:43:147:069:56
7:56
+0:18
24M
24.00 mi12:54:442:50:597:077:45
7:45
-0:11
40K
24.85 mi13:01:312:57:467:096:47
7:56
+0:11
25.2M
25.20 mi13:04:313:00:467:103:00
8:42
+0:46
Finish
26.22 mi13:12:353:08:507:128:04
7:55
-0:47

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

6:43 /mi

Average Pace

7:12 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:06

56% of race

Time at Steady Pace

46:43

25% of race

Time at Slower Pace

36:01

19% of race

Average Pace: 7:12 /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 mi10:24:3820:536:4320:53
6:43
#5648
10K
6.21 mi10:45:3941:546:4521:01
6:46
#5777
15K
9.32 mi11:06:411:02:566:4521:02
6:46
#5725
20K
12.43 mi11:28:041:24:196:4721:23
6:53
#5816
Half
13.11 mi11:32:451:29:006:474:41
6:52
#5859
25K
15.53 mi11:49:511:46:066:5017:06
7:03
#5982
30K
18.64 mi12:12:502:09:056:5522:59
7:24
#6142
20M
20.00 mi12:23:062:19:216:5810:16
7:33
#6186
21M
21.00 mi12:31:202:27:357:028:14
8:14
#6260
35K
21.75 mi12:37:032:33:187:035:43
7:38
#6307
23M
23.00 mi12:46:592:43:147:069:56
7:56
#6389
24M
24.00 mi12:54:442:50:597:077:45
7:45
#6461
40K
24.85 mi13:01:312:57:467:096:47
7:56
#6514
25.2M
25.20 mi13:04:313:00:467:103:00
8:42
#6538
Finish
26.22 mi13:12:353:08:507:128:04
7:55
#6724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5648522452245790(Top 20%)5279(Top 33%)5279(Top 94%)
10K6.21 mi3.10 mi5777-1295328-1045328-1046011(Top 21%)5497(Top 34%)5497(Top 97%)
15K9.32 mi3.11 mi5725+525271+575271+575790(Top 20%)5279(Top 33%)5279(Top 94%)
20K12.43 mi3.11 mi5816-915333-625333-626063(Top 21%)5486(Top 34%)5486(Top 97%)
Half13.11 mi0.68 mi5859-435372-395372-396652(Top 23%)5948(Top 37%)5948(Top 105%)
25K15.53 mi2.42 mi5982-1235444-725444-726658(Top 23%)5874(Top 36%)5874(Top 104%)
30K18.64 mi3.11 mi6142-1605541-975541-977029(Top 25%)5990(Top 37%)5990(Top 106%)
20M20.00 mi1.36 mi6186-445565-245565-247382(Top 26%)6064(Top 38%)6064(Top 107%)
21M21.00 mi1.00 mi6260-745614-495614-498752(Top 31%)6671(Top 41%)6671(Top 118%)
35K21.75 mi0.75 mi6307-475638-245638-249583(Top 34%)7137(Top 44%)7137(Top 126%)
23M23.00 mi1.25 mi6389-825672-345672-349497(Top 33%)6968(Top 43%)6968(Top 124%)
24M24.00 mi1.00 mi6461-725703-315703-319422(Top 33%)6856(Top 43%)6856(Top 122%)
40K24.85 mi0.85 mi6514-535709-65709-69661(Top 34%)6871(Top 43%)6871(Top 122%)
25.2M25.20 mi0.35 mi6538-245711-25711-29916(Top 35%)6892(Top 43%)6892(Top 122%)
Finish26.22 mi1.02 mi6724-1865809-985809-9812246(Top 43%)8149(Top 51%)8149(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5790

Males

5279

M18-39

5279

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

6011

Males

5497

M18-39

5497

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5790

Males

5279

M18-39

5279

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

6063

Males

5486

M18-39

5486

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6652

Males

5948

M18-39

5948

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6658

Males

5874

M18-39

5874

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7029

Males

5990

M18-39

5990

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7382

Males

6064

M18-39

6064

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8752

Males

6671

M18-39

6671

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9583

Males

7137

M18-39

7137

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9497

Males

6968

M18-39

6968

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9422

Males

6856

M18-39

6856

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9661

Males

6871

M18-39

6871

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9916

Males

6892

M18-39

6892

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12246

Males

8149

M18-39

8149

Passing Analysis

Category:
Athletes Passed
927
Passed By
2003
Net Change
-1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5648
5K → 10K122251-129#5648#5777
10K → 15K14694+52#5777#5725
15K → 20K104195-91#5725#5816
20K → Half750-43#5816#5859
Half → 25K98221-123#5859#5982
25K → 30K132292-160#5982#6142
30K → 20M65109-44#6142#6186
20M → 21M45119-74#6186#6260
21M → 35K2774-47#6260#6307
35K → 23M59141-82#6307#6389
23M → 24M42114-72#6389#6461
24M → 40K4194-53#6461#6514
40K → 25.2M1943-24#6514#6538
25.2M → Finish20206-186#6538#6724
TOTALS9272003-1076
📊

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