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BOSTON MARATHON 2025

Scott Armstrong

Bib: 17937•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 49%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:12:41
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:38:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:43:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:03:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:31:10
↑ 181↓ 1480.2%
20M
9:20/mi
2:43:51
↑ 64↓ 500.2%
21M
10:07/mi
2:53:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:01:02
↑ 17↓ 861.7%
23M
10:01/mi
3:13:34
↑ 23↓ 630.6%
24M
10:33/mi
3:24:07
↓ 821.3%
40K· 24.85 mi
11:11/mi
3:33:41
↓ 200.3%
25.2M
13:00/mi
3:38:10
↑ 13↓ 160.2%
Finish· 26.22 mi
11:57/mi
3:50:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:30
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time2:06:51
Pace9:41 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0723:467:3923:46
7:39
-
10K
6.21 mi11:38:2148:007:4324:14
7:48
+0:09
15K
9.32 mi12:03:021:12:417:4824:41
7:57
+0:09
20K
12.43 mi12:28:241:38:037:5325:22
8:10
+0:13
Half
13.11 mi12:33:511:43:307:545:27
7:59
-0:11
25K
15.53 mi12:54:102:03:497:5820:19
8:23
+0:24
30K
18.64 mi13:21:312:31:108:0727:21
8:48
+0:25
20M
20.00 mi13:34:122:43:518:1212:41
9:20
+0:32
21M
21.00 mi13:44:192:53:588:1710:07
10:07
+0:47
35K
21.75 mi13:51:233:01:028:197:04
9:27
-0:40
23M
23.00 mi14:03:553:13:348:2512:32
10:01
+0:34
24M
24.00 mi14:14:283:24:078:3010:33
10:33
+0:32
40K
24.85 mi14:24:023:33:418:369:34
11:11
+0:38
25.2M
25.20 mi14:28:313:38:108:394:29
13:00
+1:49
Finish
26.22 mi14:40:423:50:218:4812:11
11:57
-1:03

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

7:39 /mi

Average Pace

8:48 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:49

54% of race

Time at Steady Pace

1:09:45

30% of race

Time at Slower Pace

36:47

16% of race

Average Pace: 8:47 /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 mi11:14:0723:467:3923:46
7:39
#13521
10K
6.21 mi11:38:2148:007:4324:14
7:48
#14111
15K
9.32 mi12:03:021:12:417:4824:41
7:57
#14611
20K
12.43 mi12:28:241:38:037:5325:22
8:10
#14997
Half
13.11 mi12:33:511:43:307:545:27
7:59
#15047
25K
15.53 mi12:54:102:03:497:5820:19
8:23
#15333
30K
18.64 mi13:21:312:31:108:0727:21
8:48
#15587
20M
20.00 mi13:34:122:43:518:1212:41
9:20
#15805
21M
21.00 mi13:44:192:53:588:1710:07
10:07
#15977
35K
21.75 mi13:51:233:01:028:197:04
9:27
#16133
23M
23.00 mi14:03:553:13:348:2512:32
10:01
#16439
24M
24.00 mi14:14:283:24:078:3010:33
10:33
#16918
40K
24.85 mi14:24:023:33:418:369:34
11:11
#17392
25.2M
25.20 mi14:28:313:38:108:394:29
13:00
#17615
Finish
26.22 mi14:40:423:50:218:4812:11
11:57
#18398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi135219874987415614(Top 55%)10654(Top 66%)10654(Top 846%)
10K6.21 mi3.10 mi14111-59010069-19510069-19514790(Top 52%)10336(Top 64%)10336(Top 821%)
15K9.32 mi3.11 mi14611-50010249-18010249-18015614(Top 55%)10654(Top 66%)10654(Top 846%)
20K12.43 mi3.11 mi14997-38610370-12110370-12116080(Top 57%)10771(Top 67%)10771(Top 856%)
Half13.11 mi0.68 mi15047-5010394-2410394-2415789(Top 56%)10707(Top 66%)10707(Top 850%)
25K15.53 mi2.42 mi15333-28610495-10110495-10116428(Top 58%)10840(Top 67%)10840(Top 861%)
30K18.64 mi3.11 mi15587-25410552-5710552-5716622(Top 59%)10763(Top 67%)10763(Top 855%)
20M20.00 mi1.36 mi15805-21810607-5510607-5518426(Top 65%)11414(Top 71%)11414(Top 907%)
21M21.00 mi1.00 mi15977-17210645-3810645-3818713(Top 66%)11477(Top 71%)11477(Top 912%)
35K21.75 mi0.75 mi16133-15610686-4110686-4120116(Top 71%)12019(Top 75%)12019(Top 955%)
23M23.00 mi1.25 mi16439-30610803-11710803-11720508(Top 72%)12155(Top 75%)12155(Top 965%)
24M24.00 mi1.00 mi16918-47910962-15910962-15922943(Top 81%)13275(Top 82%)13275(Top 1054%)
40K24.85 mi0.85 mi17392-47411134-17211134-17223524(Top 83%)13508(Top 84%)13508(Top 1073%)
25.2M25.20 mi0.35 mi17615-22311215-8111215-8125025(Top 88%)14253(Top 89%)14253(Top 1132%)
Finish26.22 mi1.02 mi18398-78311545-33011545-33026735(Top 94%)15170(Top 94%)15170(Top 1205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15614

Males

10654

M60-64

10654

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14790

Males

10336

M60-64

10336

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15614

Males

10654

M60-64

10654

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16080

Males

10771

M60-64

10771

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15789

Males

10707

M60-64

10707

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16428

Males

10840

M60-64

10840

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16622

Males

10763

M60-64

10763

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18426

Males

11414

M60-64

11414

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18713

Males

11477

M60-64

11477

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20116

Males

12019

M60-64

12019

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20508

Males

12155

M60-64

12155

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22943

Males

13275

M60-64

13275

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23524

Males

13508

M60-64

13508

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25025

Males

14253

M60-64

14253

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26735

Males

15170

M60-64

15170

Passing Analysis

Category:
Athletes Passed
844
Passed By
5721
Net Change
-4877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13521
5K → 10K109699-590#13521#14111
10K → 15K85585-500#14111#14611
15K → 20K120506-386#14611#14997
20K → Half2575-50#14997#15047
Half → 25K101387-286#15047#15333
25K → 30K169423-254#15333#15587
30K → 20M66284-218#15587#15805
20M → 21M60232-172#15805#15977
21M → 35K33189-156#15977#16133
35K → 23M47353-306#16133#16439
23M → 24M12491-479#16439#16918
24M → 40K10484-474#16918#17392
40K → 25.2M3226-223#17392#17615
25.2M → Finish4787-783#17615#18398
TOTALS8445721-4877
📊

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