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BOSTON MARATHON 2025

Scott Macdonald

Bib: 7861•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M50-54)
#0 / 1996
Top 14%
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
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
44:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:01/mi
1:06:10
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:28:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:32:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:00/mi
1:49:53
↑ 66↓ 880.2%
30K· 18.64 mi
7:17/mi
2:12:30
↑ 181↓ 1480.2%
20M
7:11/mi
2:22:16
↑ 64↓ 500.2%
21M
7:25/mi
2:29:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:46/mi
2:34:45
↑ 17↓ 861.7%
23M
7:11/mi
2:43:45
↑ 23↓ 630.6%
24M
6:59/mi
2:50:44
↓ 821.3%
40K· 24.85 mi
7:05/mi
2:56:47
↓ 200.3%
25.2M
7:35/mi
2:59:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:48/mi
3:06:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:54
Pace7:05 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:26
Pace7:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:0622:237:1222:23
7:12
-
10K
6.21 mi10:53:0644:237:0922:00
7:05
-0:07
15K
9.32 mi11:14:531:06:107:0621:47
7:01
-0:04
20K
12.43 mi11:36:501:28:077:0521:57
7:04
+0:03
Half
13.11 mi11:41:371:32:547:054:47
7:01
-0:03
25K
15.53 mi11:58:361:49:537:0416:59
7:00
-0:01
30K
18.64 mi12:21:132:12:307:0622:37
7:17
+0:17
20M
20.00 mi12:30:592:22:167:079:46
7:11
-0:06
21M
21.00 mi12:38:242:29:417:087:25
7:25
+0:14
35K
21.75 mi12:43:282:34:457:075:04
6:46
-0:39
23M
23.00 mi12:52:282:43:457:079:00
7:11
+0:25
24M
24.00 mi12:59:272:50:447:076:59
6:59
-0:12
40K
24.85 mi13:05:302:56:477:076:03
7:05
+0:06
25.2M
25.20 mi13:08:072:59:247:072:37
7:35
+0:30
Finish
26.22 mi13:15:033:06:207:076:56
6:48
-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

6:46 /mi

Average Pace

7:07 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:43

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:31:0622:237:1222:23
7:12
#9474
10K
6.21 mi10:53:0644:237:0922:00
7:05
#8957
15K
9.32 mi11:14:531:06:107:0621:47
7:01
#8458
20K
12.43 mi11:36:501:28:077:0521:57
7:04
#8107
Half
13.11 mi11:41:371:32:547:054:47
7:01
#8069
25K
15.53 mi11:58:361:49:537:0416:59
7:00
#7743
30K
18.64 mi12:21:132:12:307:0622:37
7:17
#7402
20M
20.00 mi12:30:592:22:167:079:46
7:11
#7152
21M
21.00 mi12:38:242:29:417:087:25
7:25
#6884
35K
21.75 mi12:43:282:34:457:075:04
6:46
#6723
23M
23.00 mi12:52:282:43:457:079:00
7:11
#6529
24M
24.00 mi12:59:272:50:447:076:59
6:59
#6389
40K
24.85 mi13:05:302:56:477:076:03
7:05
#6274
25.2M
25.20 mi13:08:072:59:247:072:37
7:35
#6200
Finish
26.22 mi13:15:033:06:207:076:56
6:48
#6078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9474786778677686(Top 27%)6733(Top 42%)6733(Top 337%)
10K6.21 mi3.10 mi8957+5177565+3027565+3028496(Top 30%)7289(Top 45%)7289(Top 365%)
15K9.32 mi3.11 mi8458+4997252+3137252+3137686(Top 27%)6733(Top 42%)6733(Top 337%)
20K12.43 mi3.11 mi8107+3517023+2297023+2297271(Top 26%)6392(Top 40%)6392(Top 320%)
Half13.11 mi0.68 mi8069+386995+286995+287602(Top 27%)6623(Top 41%)6623(Top 332%)
25K15.53 mi2.42 mi7743+3266769+2266769+2266348(Top 22%)5650(Top 35%)5650(Top 283%)
30K18.64 mi3.11 mi7402+3416497+2726497+2726327(Top 22%)5538(Top 34%)5538(Top 277%)
20M20.00 mi1.36 mi7152+2506290+2076290+2075125(Top 18%)4574(Top 28%)4574(Top 229%)
21M21.00 mi1.00 mi6884+2686078+2126078+2124192(Top 15%)3771(Top 23%)3771(Top 189%)
35K21.75 mi0.75 mi6723+1615936+1425936+1423935(Top 14%)3535(Top 22%)3535(Top 177%)
23M23.00 mi1.25 mi6529+1945766+1705766+1704789(Top 17%)4165(Top 26%)4165(Top 209%)
24M24.00 mi1.00 mi6389+1405652+1145652+1144530(Top 16%)3923(Top 24%)3923(Top 197%)
40K24.85 mi0.85 mi6274+1155546+1065546+1064324(Top 15%)3722(Top 23%)3722(Top 186%)
25.2M25.20 mi0.35 mi6200+745483+635483+633804(Top 13%)3286(Top 20%)3286(Top 165%)
Finish26.22 mi1.02 mi6078+1225372+1115372+1114510(Top 16%)3802(Top 24%)3802(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7686

Males

6733

M50-54

6733

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8496

Males

7289

M50-54

7289

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7686

Males

6733

M50-54

6733

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7271

Males

6392

M50-54

6392

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7602

Males

6623

M50-54

6623

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6348

Males

5650

M50-54

5650

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6327

Males

5538

M50-54

5538

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5125

Males

4574

M50-54

4574

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4192

Males

3771

M50-54

3771

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3935

Males

3535

M50-54

3535

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4789

Males

4165

M50-54

4165

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4530

Males

3923

M50-54

3923

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4324

Males

3722

M50-54

3722

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3804

Males

3286

M50-54

3286

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4510

Males

3802

M50-54

3802

Passing Analysis

Category:
Athletes Passed
3565
Passed By
169
Net Change
+3396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9474
5K → 10K56750+517#9474#8957
10K → 15K51819+499#8957#8458
15K → 20K37221+351#8458#8107
20K → Half5012+38#8107#8069
Half → 25K3304+326#8069#7743
25K → 30K37130+341#7743#7402
30K → 20M2511+250#7402#7152
20M → 21M2691+268#7152#6884
21M → 35K1610+161#6884#6723
35K → 23M2028+194#6723#6529
23M → 24M1411+140#6529#6389
24M → 40K12712+115#6389#6274
40K → 25.2M751+74#6274#6200
25.2M → Finish1319+122#6200#6078
TOTALS3565169+3396
📊

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