Boston Marathon logo
BOSTON MARATHON 2025

Scott Harris

Bib: 14377•M

AB

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
9:07/mi
28:21
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
57:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:25:30
↑ 67↓ 78
20K· 12.43 mi
9:29/mi
1:54:58
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
2:01:08
↑ 19↓ 370.5%
25K· 15.53 mi
9:15/mi
2:23:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:52:56
↑ 181↓ 1480.2%
20M
9:28/mi
3:05:48
↑ 64↓ 500.2%
21M
9:45/mi
3:15:33
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:22:29
↑ 17↓ 861.7%
23M
9:27/mi
3:34:19
↑ 23↓ 630.6%
24M
9:15/mi
3:43:34
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:51:39
↓ 200.3%
25.2M
10:03/mi
3:55:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:04:06
↑ 22↓ 21

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
Time2:01:08
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:02:58
Pace9:23 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5928:219:0728:21
9:07
-
10K
6.21 mi11:52:4257:049:1128:43
9:15
+0:08
15K
9.32 mi12:21:081:25:309:1028:26
9:09
-0:06
20K
12.43 mi12:50:361:54:589:1529:28
9:29
+0:20
Half
13.11 mi12:56:462:01:089:146:10
9:02
-0:27
25K
15.53 mi13:19:122:23:349:1522:26
9:15
+0:13
30K
18.64 mi13:48:342:52:569:1729:22
9:27
+0:12
20M
20.00 mi14:01:263:05:489:1712:52
9:28
+0:01
21M
21.00 mi14:11:113:15:339:199:45
9:45
+0:17
35K
21.75 mi14:18:073:22:299:196:56
9:16
-0:29
23M
23.00 mi14:29:573:34:199:1911:50
9:27
+0:11
24M
24.00 mi14:39:123:43:349:199:15
9:15
-0:12
40K
24.85 mi14:47:173:51:399:198:05
9:27
+0:12
25.2M
25.20 mi14:50:453:55:079:203:28
10:03
+0:36
Finish
26.22 mi14:59:444:04:069:198:59
8:49
-1:14

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

8:49 /mi

Average Pace

9:19 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:53

95% of race

Time at Steady Pace

13:13

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /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 mi11:23:5928:219:0728:21
9:07
#22933
10K
6.21 mi11:52:4257:049:1128:43
9:15
#23150
15K
9.32 mi12:21:081:25:309:1028:26
9:09
#22985
20K
12.43 mi12:50:361:54:589:1529:28
9:29
#22985
Half
13.11 mi12:56:462:01:089:146:10
9:02
#22925
25K
15.53 mi13:19:122:23:349:1522:26
9:15
#22584
30K
18.64 mi13:48:342:52:569:1729:22
9:27
#22082
20M
20.00 mi14:01:263:05:489:1712:52
9:28
#21827
21M
21.00 mi14:11:113:15:339:199:45
9:45
#21585
35K
21.75 mi14:18:073:22:299:196:56
9:16
#21504
23M
23.00 mi14:29:573:34:199:1911:50
9:27
#21303
24M
24.00 mi14:39:123:43:349:199:15
9:15
#21186
40K
24.85 mi14:47:173:51:399:198:05
9:27
#21087
25.2M
25.20 mi14:50:453:55:079:203:28
10:03
#21014
Finish
26.22 mi14:59:444:04:069:198:59
8:49
#20903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22933137381373822662(Top 80%)13675(Top 85%)13675(Top 685%)
10K6.21 mi3.10 mi23150-21713859-12113859-12123343(Top 82%)13959(Top 87%)13959(Top 699%)
15K9.32 mi3.11 mi22985+16513805+5413805+5422662(Top 80%)13675(Top 85%)13675(Top 685%)
20K12.43 mi3.11 mi2298513802+313802+322845(Top 80%)13722(Top 85%)13722(Top 687%)
Half13.11 mi0.68 mi22925+6013780+2213780+2221951(Top 77%)13310(Top 83%)13310(Top 667%)
25K15.53 mi2.42 mi22584+34113608+17213608+17220974(Top 74%)12832(Top 80%)12832(Top 643%)
30K18.64 mi3.11 mi22082+50213357+25113357+25119750(Top 70%)12176(Top 76%)12176(Top 610%)
20M20.00 mi1.36 mi21827+25513229+12813229+12819033(Top 67%)11713(Top 73%)11713(Top 587%)
21M21.00 mi1.00 mi21585+24213092+13713092+13717253(Top 61%)10812(Top 67%)10812(Top 542%)
35K21.75 mi0.75 mi21504+8113042+5013042+5019446(Top 68%)11713(Top 73%)11713(Top 587%)
23M23.00 mi1.25 mi21303+20112923+11912923+11918464(Top 65%)11209(Top 70%)11209(Top 562%)
24M24.00 mi1.00 mi21186+11712847+7612847+7618583(Top 65%)11212(Top 70%)11212(Top 562%)
40K24.85 mi0.85 mi21087+9912783+6412783+6418522(Top 65%)11089(Top 69%)11089(Top 556%)
25.2M25.20 mi0.35 mi21014+7312738+4512738+4517258(Top 61%)10499(Top 65%)10499(Top 526%)
Finish26.22 mi1.02 mi20903+11112674+6412674+6418132(Top 64%)10939(Top 68%)10939(Top 548%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22662

Males

13675

M50-54

13675

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23343

Males

13959

M50-54

13959

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22662

Males

13675

M50-54

13675

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22845

Males

13722

M50-54

13722

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21951

Males

13310

M50-54

13310

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20974

Males

12832

M50-54

12832

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19750

Males

12176

M50-54

12176

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19033

Males

11713

M50-54

11713

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17253

Males

10812

M50-54

10812

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19446

Males

11713

M50-54

11713

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18464

Males

11209

M50-54

11209

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18583

Males

11212

M50-54

11212

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18522

Males

11089

M50-54

11089

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17258

Males

10499

M50-54

10499

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18132

Males

10939

M50-54

10939

Passing Analysis

Category:
Athletes Passed
2747
Passed By
717
Net Change
+2030
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22933
5K → 10K141358-217#22933#23150
10K → 15K25287+165#23150#22985
15K → 20K1791790#22985#22985
20K → Half666+60#22985#22925
Half → 25K3509+341#22925#22584
25K → 30K51816+502#22584#22082
30K → 20M2572+255#22082#21827
20M → 21M2464+242#21827#21585
21M → 35K9615+81#21585#21504
35K → 23M21615+201#21504#21303
23M → 24M1258+117#21303#21186
24M → 40K10910+99#21186#21087
40K → 25.2M752+73#21087#21014
25.2M → Finish1176+111#21014#20903
TOTALS2747717+2030
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing