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BOSTON MARATHON 2025

Scott Relf

Bib: 16684•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 19%
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
48:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:13:22
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:38:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:44:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:04:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:17/mi
2:29:47
↑ 181↓ 1480.2%
20M
8:20/mi
2:41:06
↑ 64↓ 500.2%
21M
8:45/mi
2:49:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:55:48
↑ 17↓ 861.7%
23M
8:18/mi
3:06:12
↑ 23↓ 630.6%
24M
7:53/mi
3:14:05
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:21:03
↓ 200.3%
25.2M
8:36/mi
3:24:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:31:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:47:36
Pace8:12 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3223:447:3823:44
7:38
-
10K
6.21 mi11:22:1748:297:4824:45
7:58
+0:20
15K
9.32 mi11:47:101:13:227:5224:53
8:01
+0:03
20K
12.43 mi12:12:291:38:417:5625:19
8:09
+0:08
Half
13.11 mi12:17:581:44:107:575:29
8:02
-0:07
25K
15.53 mi12:37:512:04:037:5919:53
8:12
+0:10
30K
18.64 mi13:03:352:29:478:0225:44
8:17
+0:05
20M
20.00 mi13:14:542:41:068:0311:19
8:20
+0:03
21M
21.00 mi13:23:392:49:518:058:45
8:45
+0:25
35K
21.75 mi13:29:362:55:488:055:57
7:57
-0:48
23M
23.00 mi13:40:003:06:128:0610:24
8:18
+0:21
24M
24.00 mi13:47:533:14:058:057:53
7:53
-0:25
40K
24.85 mi13:54:513:21:038:056:58
8:09
+0:16
25.2M
25.20 mi13:57:493:24:018:062:58
8:36
+0:27
Finish
26.22 mi14:05:343:31:468:057:45
7:36
-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

7:36 /mi

Average Pace

8:05 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:03

94% of race

Time at Steady Pace

11:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi10:57:3223:447:3823:44
7:38
#13420
10K
6.21 mi11:22:1748:297:4824:45
7:58
#14804
15K
9.32 mi11:47:101:13:227:5224:53
8:01
#15248
20K
12.43 mi12:12:291:38:417:5625:19
8:09
#15455
Half
13.11 mi12:17:581:44:107:575:29
8:02
#15497
25K
15.53 mi12:37:512:04:037:5919:53
8:12
#15431
30K
18.64 mi13:03:352:29:478:0225:44
8:17
#15002
20M
20.00 mi13:14:542:41:068:0311:19
8:20
#14789
21M
21.00 mi13:23:392:49:518:058:45
8:45
#14585
35K
21.75 mi13:29:362:55:488:055:57
7:57
#14455
23M
23.00 mi13:40:003:06:128:0610:24
8:18
#14303
24M
24.00 mi13:47:533:14:058:057:53
7:53
#14105
40K
24.85 mi13:54:513:21:038:056:58
8:09
#13959
25.2M
25.20 mi13:57:493:24:018:062:58
8:36
#13853
Finish
26.22 mi14:05:343:31:468:057:45
7:36
#13683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi134209824982416097(Top 57%)10847(Top 67%)10847(Top 862%)
10K6.21 mi3.10 mi14804-138410326-50210326-50216182(Top 57%)10901(Top 68%)10901(Top 866%)
15K9.32 mi3.11 mi15248-44410498-17210498-17216097(Top 57%)10847(Top 67%)10847(Top 862%)
20K12.43 mi3.11 mi15455-20710575-7710575-7715960(Top 56%)10722(Top 67%)10722(Top 852%)
Half13.11 mi0.68 mi15497-4210591-1610591-1616122(Top 57%)10795(Top 67%)10795(Top 857%)
25K15.53 mi2.42 mi15431+6610533+5810533+5815303(Top 54%)10359(Top 64%)10359(Top 823%)
30K18.64 mi3.11 mi15002+42910287+24610287+24613368(Top 47%)9295(Top 58%)9295(Top 738%)
20M20.00 mi1.36 mi14789+21310173+11410173+11412661(Top 45%)8849(Top 55%)8849(Top 703%)
21M21.00 mi1.00 mi14585+20410051+12210051+12211974(Top 42%)8370(Top 52%)8370(Top 665%)
35K21.75 mi0.75 mi14455+1309988+639988+6311926(Top 42%)8296(Top 52%)8296(Top 659%)
23M23.00 mi1.25 mi14303+1529878+1109878+11012069(Top 42%)8269(Top 51%)8269(Top 657%)
24M24.00 mi1.00 mi14105+1989747+1319747+13110435(Top 37%)7402(Top 46%)7402(Top 588%)
40K24.85 mi0.85 mi13959+1469654+939654+9311209(Top 39%)7679(Top 48%)7679(Top 610%)
25.2M25.20 mi0.35 mi13853+1069589+659589+659429(Top 33%)6681(Top 41%)6681(Top 531%)
Finish26.22 mi1.02 mi13683+1709498+919498+919969(Top 35%)6978(Top 43%)6978(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16097

Males

10847

M60-64

10847

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16182

Males

10901

M60-64

10901

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16097

Males

10847

M60-64

10847

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15960

Males

10722

M60-64

10722

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16122

Males

10795

M60-64

10795

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15303

Males

10359

M60-64

10359

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13368

Males

9295

M60-64

9295

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12661

Males

8849

M60-64

8849

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11974

Males

8370

M60-64

8370

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11926

Males

8296

M60-64

8296

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12069

Males

8269

M60-64

8269

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10435

Males

7402

M60-64

7402

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11209

Males

7679

M60-64

7679

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9429

Males

6681

M60-64

6681

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9969

Males

6978

M60-64

6978

Passing Analysis

Category:
Athletes Passed
2425
Passed By
2688
Net Change
-263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13420
5K → 10K461430-1384#13420#14804
10K → 15K95539-444#14804#15248
15K → 20K143350-207#15248#15455
20K → Half2466-42#15455#15497
Half → 25K197131+66#15497#15431
25K → 30K47546+429#15431#15002
30K → 20M24330+213#15002#14789
20M → 21M22622+204#14789#14585
21M → 35K14212+130#14585#14455
35K → 23M18533+152#14455#14303
23M → 24M21113+198#14303#14105
24M → 40K1515+146#14105#13959
40K → 25.2M1093+106#13959#13853
25.2M → Finish1788+170#13853#13683
TOTALS24252688-263
📊

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