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BOSTON MARATHON 2025

Scott Harrison

Bib: 25043•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 23%
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
9:02/mi
28:05
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
55:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:14/mi
1:24:22
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:52:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:58:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:20:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:49:14
↑ 181↓ 1480.2%
20M
9:31/mi
3:02:10
↑ 64↓ 500.2%
21M
9:57/mi
3:12:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:19:00
↑ 17↓ 861.7%
23M
9:46/mi
3:31:14
↑ 23↓ 630.6%
24M
9:56/mi
3:41:10
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:49:39
↓ 200.3%
25.2M
11:01/mi
3:53:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:01/mi
4:03:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:17
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:05:22
Pace9:34 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:0328:059:0228:05
9:02
-
10K
6.21 mi11:55:4055:428:5827:37
8:53
-0:09
15K
9.32 mi12:24:201:24:229:0328:40
9:14
+0:21
20K
12.43 mi12:52:111:52:139:0227:51
8:58
-0:16
Half
13.11 mi12:58:151:58:179:016:04
8:54
-0:04
25K
15.53 mi13:20:082:20:109:0121:53
9:02
+0:08
30K
18.64 mi13:49:122:49:149:0529:04
9:21
+0:19
20M
20.00 mi14:02:083:02:109:0612:56
9:31
+0:10
21M
21.00 mi14:12:053:12:079:099:57
9:57
+0:26
35K
21.75 mi14:18:583:19:009:096:53
9:12
-0:45
23M
23.00 mi14:31:123:31:149:1112:14
9:46
+0:34
24M
24.00 mi14:41:083:41:109:139:56
9:56
+0:10
40K
24.85 mi14:49:373:49:399:148:29
9:55
-0:01
25.2M
25.20 mi14:53:253:53:279:163:48
11:01
+1:06
Finish
26.22 mi15:03:374:03:399:1810:12
10:01
-1:00

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

8:53 /mi

Average Pace

9:18 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:30

46% of race

Time at Steady Pace

1:17:33

32% of race

Time at Slower Pace

54:36

22% of race

Average Pace: 9:18 /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 mi11:28:0328:059:0228:05
9:02
#22582
10K
6.21 mi11:55:4055:428:5827:37
8:53
#22274
15K
9.32 mi12:24:201:24:229:0328:40
9:14
#22503
20K
12.43 mi12:52:111:52:139:0227:51
8:58
#22058
Half
13.11 mi12:58:151:58:179:016:04
8:54
#22025
25K
15.53 mi13:20:082:20:109:0121:53
9:02
#21655
30K
18.64 mi13:49:122:49:149:0529:04
9:21
#21231
20M
20.00 mi14:02:083:02:109:0612:56
9:31
#21062
21M
21.00 mi14:12:053:12:079:099:57
9:57
#20866
35K
21.75 mi14:18:583:19:009:096:53
9:12
#20804
23M
23.00 mi14:31:123:31:149:1112:14
9:46
#20760
24M
24.00 mi14:41:083:41:109:139:56
9:56
#20794
40K
24.85 mi14:49:373:49:399:148:29
9:55
#20775
25.2M
25.20 mi14:53:253:53:279:163:48
11:01
#20772
Finish
26.22 mi15:03:374:03:399:1810:12
10:01
#20847
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22582135691356922939(Top 81%)13804(Top 86%)13804(Top 6054%)
10K6.21 mi3.10 mi22274+30813441+12813441+12821857(Top 77%)13278(Top 82%)13278(Top 5824%)
15K9.32 mi3.11 mi22503-22913582-14113582-14122939(Top 81%)13804(Top 86%)13804(Top 6054%)
20K12.43 mi3.11 mi22058+44513369+21313369+21320782(Top 73%)12790(Top 79%)12790(Top 5610%)
Half13.11 mi0.68 mi22025+3313354+1513354+1521318(Top 75%)13048(Top 81%)13048(Top 5723%)
25K15.53 mi2.42 mi21655+37013182+17213182+17220019(Top 70%)12422(Top 77%)12422(Top 5448%)
30K18.64 mi3.11 mi21231+42412966+21612966+21619371(Top 68%)11998(Top 74%)11998(Top 5262%)
20M20.00 mi1.36 mi21062+16912865+10112865+10119250(Top 68%)11804(Top 73%)11804(Top 5177%)
21M21.00 mi1.00 mi20866+19612760+10512760+10518106(Top 64%)11215(Top 70%)11215(Top 4919%)
35K21.75 mi0.75 mi20804+6212715+4512715+4519170(Top 67%)11588(Top 72%)11588(Top 5082%)
23M23.00 mi1.25 mi20760+4412674+4112674+4119687(Top 69%)11761(Top 73%)11761(Top 5158%)
24M24.00 mi1.00 mi20794-3412673+112673+121155(Top 74%)12418(Top 77%)12418(Top 5446%)
40K24.85 mi0.85 mi20775+1912646+2712646+2720186(Top 71%)11888(Top 74%)11888(Top 5214%)
25.2M25.20 mi0.35 mi20772+312632+1412632+1420681(Top 73%)12128(Top 75%)12128(Top 5319%)
Finish26.22 mi1.02 mi20847-7512651-1912651-1922953(Top 81%)13248(Top 82%)13248(Top 5811%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

22939

Males

13804

M70-74

13804

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21857

Males

13278

M70-74

13278

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

22939

Males

13804

M70-74

13804

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20782

Males

12790

M70-74

12790

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21318

Males

13048

M70-74

13048

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

20019

Males

12422

M70-74

12422

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19371

Males

11998

M70-74

11998

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19250

Males

11804

M70-74

11804

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18106

Males

11215

M70-74

11215

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19170

Males

11588

M70-74

11588

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19687

Males

11761

M70-74

11761

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

21155

Males

12418

M70-74

12418

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20186

Males

11888

M70-74

11888

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20681

Males

12128

M70-74

12128

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22953

Males

13248

M70-74

13248

Passing Analysis

Category:
Athletes Passed
2637
Passed By
902
Net Change
+1735
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22582
5K → 10K441133+308#22582#22274
10K → 15K107336-229#22274#22503
15K → 20K45712+445#22503#22058
20K → Half4613+33#22058#22025
Half → 25K38313+370#22025#21655
25K → 30K45531+424#21655#21231
30K → 20M18920+169#21231#21062
20M → 21M21317+196#21062#20866
21M → 35K8321+62#20866#20804
35K → 23M11167+44#20804#20760
23M → 24M4882-34#20760#20794
24M → 40K6041+19#20794#20775
40K → 25.2M3027+3#20775#20772
25.2M → Finish1489-75#20772#20847
TOTALS2637902+1735
📊

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