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BOSTON MARATHON 2025

Scott Preston

Bib: 1134•M

TX

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 19%
Division (M40-44)
#0 / 2247
Top 45%
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
6:35/mi
20:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
41:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:01:54
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:23:13
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:27:54
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:44:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:08/mi
2:06:50
↑ 181↓ 1480.2%
20M
7:21/mi
2:16:49
↑ 64↓ 500.2%
21M
7:50/mi
2:24:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:30:12
↑ 17↓ 861.7%
23M
7:44/mi
2:39:53
↑ 23↓ 630.6%
24M
8:04/mi
2:47:57
↓ 821.3%
40K· 24.85 mi
8:10/mi
2:54:56
↓ 200.3%
25.2M
8:56/mi
2:58:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:06:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:54
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0820:266:3520:26
6:35
-
10K
6.21 mi10:42:4241:006:3620:34
6:37
+0:02
15K
9.32 mi11:03:361:01:546:3820:54
6:44
+0:07
20K
12.43 mi11:24:551:23:136:4221:19
6:52
+0:08
Half
13.11 mi11:29:361:27:546:424:41
6:52
0:00
25K
15.53 mi11:46:231:44:416:4416:47
6:55
+0:03
30K
18.64 mi12:08:322:06:506:4822:09
7:08
+0:13
20M
20.00 mi12:18:312:16:496:509:59
7:21
+0:13
21M
21.00 mi12:26:212:24:396:537:50
7:50
+0:29
35K
21.75 mi12:31:542:30:126:545:33
7:25
-0:25
23M
23.00 mi12:41:352:39:536:579:41
7:44
+0:19
24M
24.00 mi12:49:392:47:577:008:04
8:04
+0:20
40K
24.85 mi12:56:382:54:567:026:59
8:10
+0:06
25.2M
25.20 mi12:59:432:58:017:043:05
8:56
+0:46
Finish
26.22 mi13:07:423:06:007:067:59
7:50
-1:06

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

6:35 /mi

Average Pace

7:06 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:41

56% of race

Time at Steady Pace

37:41

20% of race

Time at Slower Pace

43:38

23% 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 mi10:22:0820:266:3520:26
6:35
#4392
10K
6.21 mi10:42:4241:006:3620:34
6:37
#4486
15K
9.32 mi11:03:361:01:546:3820:54
6:44
#4719
20K
12.43 mi11:24:551:23:136:4221:19
6:52
#4957
Half
13.11 mi11:29:361:27:546:424:41
6:52
#5042
25K
15.53 mi11:46:231:44:416:4416:47
6:55
#5142
30K
18.64 mi12:08:322:06:506:4822:09
7:08
#5197
20M
20.00 mi12:18:312:16:496:509:59
7:21
#5276
21M
21.00 mi12:26:212:24:396:537:50
7:50
#5340
35K
21.75 mi12:31:542:30:126:545:33
7:25
#5425
23M
23.00 mi12:41:352:39:536:579:41
7:44
#5511
24M
24.00 mi12:49:392:47:577:008:04
8:04
#5684
40K
24.85 mi12:56:382:54:567:026:59
8:10
#5808
25.2M
25.20 mi12:59:432:58:017:043:05
8:56
#5868
Finish
26.22 mi13:07:423:06:007:067:59
7:50
#5983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4392412941295333(Top 19%)4921(Top 31%)4921(Top 219%)
10K6.21 mi3.10 mi4486-944216-874216-874622(Top 16%)4328(Top 27%)4328(Top 193%)
15K9.32 mi3.11 mi4719-2334415-1994415-1995333(Top 19%)4921(Top 31%)4921(Top 219%)
20K12.43 mi3.11 mi4957-2384618-2034618-2035866(Top 21%)5326(Top 33%)5326(Top 237%)
Half13.11 mi0.68 mi5042-854688-704688-706594(Top 23%)5890(Top 37%)5890(Top 262%)
25K15.53 mi2.42 mi5142-1004766-784766-785807(Top 20%)5241(Top 33%)5241(Top 233%)
30K18.64 mi3.11 mi5197-554782-164782-165480(Top 19%)4920(Top 31%)4920(Top 219%)
20M20.00 mi1.36 mi5276-794836-544836-546046(Top 21%)5227(Top 32%)5227(Top 233%)
21M21.00 mi1.00 mi5340-644883-474883-476346(Top 22%)5282(Top 33%)5282(Top 235%)
35K21.75 mi0.75 mi5425-854948-654948-657993(Top 28%)6278(Top 39%)6278(Top 279%)
23M23.00 mi1.25 mi5511-865003-555003-558070(Top 28%)6195(Top 38%)6195(Top 276%)
24M24.00 mi1.00 mi5684-1735120-1175120-11711646(Top 41%)7961(Top 49%)7961(Top 354%)
40K24.85 mi0.85 mi5808-1245199-795199-7911305(Top 40%)7697(Top 48%)7697(Top 343%)
25.2M25.20 mi0.35 mi5868-605242-435242-4311347(Top 40%)7607(Top 47%)7607(Top 339%)
Finish26.22 mi1.02 mi5983-1155306-645306-6411632(Top 41%)7821(Top 49%)7821(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5333

Males

4921

M40-44

4921

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4622

Males

4328

M40-44

4328

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5333

Males

4921

M40-44

4921

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5866

Males

5326

M40-44

5326

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6594

Males

5890

M40-44

5890

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5807

Males

5241

M40-44

5241

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5480

Males

4920

M40-44

4920

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6046

Males

5227

M40-44

5227

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6346

Males

5282

M40-44

5282

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7993

Males

6278

M40-44

6278

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

8070

Males

6195

M40-44

6195

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11646

Males

7961

M40-44

7961

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11305

Males

7697

M40-44

7697

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11347

Males

7607

M40-44

7607

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11632

Males

7821

M40-44

7821

Passing Analysis

Category:
Athletes Passed
730
Passed By
2321
Net Change
-1591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4392
5K → 10K106200-94#4392#4486
10K → 15K47280-233#4486#4719
15K → 20K65303-238#4719#4957
20K → Half994-85#4957#5042
Half → 25K69169-100#5042#5142
25K → 30K152207-55#5142#5197
30K → 20M49128-79#5197#5276
20M → 21M62126-64#5276#5340
21M → 35K27112-85#5340#5425
35K → 23M61147-86#5425#5511
23M → 24M16189-173#5511#5684
24M → 40K23147-124#5684#5808
40K → 25.2M1272-60#5808#5868
25.2M → Finish32147-115#5868#5983
TOTALS7302321-1591
📊

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