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BOSTON MARATHON 2025

Shane Goslin

Bib: 12479•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 44%
Division (M55-59)
#0 / 1648
Top 28%
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
7:10/mi
22:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
44:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:20
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:29:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:34:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
1:54:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:23:22
↑ 181↓ 1480.2%
20M
8:12/mi
2:34:31
↑ 64↓ 500.2%
21M
8:48/mi
2:43:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:49:05
↑ 17↓ 861.7%
23M
7:58/mi
2:59:04
↑ 23↓ 630.6%
24M
8:09/mi
3:07:13
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:14:12
↓ 200.3%
25.2M
9:08/mi
3:17:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:25:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:16
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:50:55
Pace8:28 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3622:167:1022:16
7:10
-
10K
6.21 mi11:11:3444:147:0721:58
7:04
-0:06
15K
9.32 mi11:33:401:06:207:0722:06
7:07
+0:03
20K
12.43 mi11:56:361:29:167:1122:56
7:23
+0:16
Half
13.11 mi12:01:361:34:167:115:00
7:20
-0:03
25K
15.53 mi12:21:491:54:297:2220:13
8:20
+1:00
30K
18.64 mi12:50:422:23:227:4128:53
9:18
+0:58
20M
20.00 mi13:01:512:34:317:4411:09
8:12
-1:06
21M
21.00 mi13:10:392:43:197:478:48
8:48
+0:36
35K
21.75 mi13:16:252:49:057:465:46
7:42
-1:06
23M
23.00 mi13:26:242:59:047:479:59
7:58
+0:16
24M
24.00 mi13:34:333:07:137:488:09
8:09
+0:11
40K
24.85 mi13:41:323:14:127:496:59
8:10
+0:01
25.2M
25.20 mi13:44:413:17:217:503:09
9:08
+0:58
Finish
26.22 mi13:52:313:25:117:507:50
7:41
-1:27

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

7:04 /mi

Average Pace

7:50 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:16

46% of race

Time at Steady Pace

49:52

24% of race

Time at Slower Pace

1:01:03

30% of race

Average Pace: 7:50 /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 mi10:49:3622:167:1022:16
7:10
#9193
10K
6.21 mi11:11:3444:147:0721:58
7:04
#8772
15K
9.32 mi11:33:401:06:207:0722:06
7:07
#8633
20K
12.43 mi11:56:361:29:167:1122:56
7:23
#8819
Half
13.11 mi12:01:361:34:167:115:00
7:20
#8894
25K
15.53 mi12:21:491:54:297:2220:13
8:20
#10184
30K
18.64 mi12:50:422:23:227:4128:53
9:18
#12181
20M
20.00 mi13:01:512:34:317:4411:09
8:12
#12116
21M
21.00 mi13:10:392:43:197:478:48
8:48
#12107
35K
21.75 mi13:16:252:49:057:465:46
7:42
#12030
23M
23.00 mi13:26:242:59:047:479:59
7:58
#11853
24M
24.00 mi13:34:333:07:137:488:09
8:09
#11851
40K
24.85 mi13:41:323:14:127:496:59
8:10
#11796
25.2M
25.20 mi13:44:413:17:217:503:09
9:08
#11808
Finish
26.22 mi13:52:313:25:117:507:50
7:41
#11740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9193772477248424(Top 30%)7197(Top 45%)7197(Top 437%)
10K6.21 mi3.10 mi8772+4217465+2597465+2598422(Top 30%)7246(Top 45%)7246(Top 440%)
15K9.32 mi3.11 mi8633+1397363+1027363+1028424(Top 30%)7197(Top 45%)7197(Top 437%)
20K12.43 mi3.11 mi8819-1867457-947457-949729(Top 34%)7868(Top 49%)7868(Top 477%)
Half13.11 mi0.68 mi8894-757496-397496-3910249(Top 36%)8165(Top 51%)8165(Top 495%)
25K15.53 mi2.42 mi10184-12908159-6638159-66316147(Top 57%)10700(Top 66%)10700(Top 649%)
30K18.64 mi3.11 mi12181-19979062-9039062-90319088(Top 67%)11870(Top 74%)11870(Top 720%)
20M20.00 mi1.36 mi12116+658992+708992+7011812(Top 42%)8426(Top 52%)8426(Top 511%)
21M21.00 mi1.00 mi12107+98948+448948+4412272(Top 43%)8497(Top 53%)8497(Top 516%)
35K21.75 mi0.75 mi12030+778889+598889+5910120(Top 36%)7430(Top 46%)7430(Top 451%)
23M23.00 mi1.25 mi11853+1778760+1298760+1299843(Top 35%)7161(Top 44%)7161(Top 435%)
24M24.00 mi1.00 mi11851+28728+328728+3212222(Top 43%)8278(Top 51%)8278(Top 502%)
40K24.85 mi0.85 mi11796+558667+618667+6111345(Top 40%)7736(Top 48%)7736(Top 469%)
25.2M25.20 mi0.35 mi11808-128652+158652+1512496(Top 44%)8225(Top 51%)8225(Top 499%)
Finish26.22 mi1.02 mi11740+688585+678585+6710603(Top 37%)7311(Top 45%)7311(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8424

Males

7197

M55-59

7197

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8422

Males

7246

M55-59

7246

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8424

Males

7197

M55-59

7197

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9729

Males

7868

M55-59

7868

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10249

Males

8165

M55-59

8165

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16147

Males

10700

M55-59

10700

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

19088

Males

11870

M55-59

11870

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11812

Males

8426

M55-59

8426

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12272

Males

8497

M55-59

8497

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10120

Males

7430

M55-59

7430

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9843

Males

7161

M55-59

7161

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12222

Males

8278

M55-59

8278

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11345

Males

7736

M55-59

7736

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12496

Males

8225

M55-59

8225

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10603

Males

7311

M55-59

7311

Passing Analysis

Category:
Athletes Passed
1785
Passed By
4329
Net Change
-2547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9193
5K → 10K48665+421#9193#8772
10K → 15K23596+139#8772#8633
15K → 20K123309-186#8633#8819
20K → Half1186-75#8819#8894
Half → 25K211309-1290#8894#10184
25K → 30K222018-1997#10184#12181
30K → 20M14883+65#12181#12116
20M → 21M10495+9#12116#12107
21M → 35K10124+77#12107#12030
35K → 23M20427+177#12030#11853
23M → 24M7977+2#11853#11851
24M → 40K10146+55#11851#11796
40K → 25.2M3850-12#11796#11808
25.2M → Finish11244+68#11808#11740
TOTALS17854329-2547
📊

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