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BOSTON MARATHON 2025

Shane Wilhelmsen

Bib: 12189•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:34/mi
23:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
47:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:11:46
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:36:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:41:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:01:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:27:23
↑ 181↓ 1480.2%
20M
8:28/mi
2:38:54
↑ 64↓ 500.2%
21M
9:20/mi
2:48:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:31/mi
2:55:21
↑ 17↓ 861.7%
23M
8:42/mi
3:06:15
↑ 23↓ 630.6%
24M
8:36/mi
3:14:51
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:22:24
↓ 200.3%
25.2M
9:43/mi
3:25:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:34:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:40
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:52:49
Pace8:36 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1223:317:3423:31
7:34
-
10K
6.21 mi11:15:1947:387:4024:07
7:46
+0:12
15K
9.32 mi11:39:271:11:467:4224:08
7:46
0:00
20K
12.43 mi12:04:041:36:237:4524:37
7:55
+0:09
Half
13.11 mi12:09:211:41:407:455:17
7:45
-0:10
25K
15.53 mi12:28:482:01:077:4819:27
8:01
+0:16
30K
18.64 mi12:55:042:27:237:5426:16
8:27
+0:26
20M
20.00 mi13:06:352:38:547:5711:31
8:28
+0:01
21M
21.00 mi13:15:552:48:148:019:20
9:20
+0:52
35K
21.75 mi13:23:022:55:218:047:07
9:31
+0:11
23M
23.00 mi13:33:563:06:158:0610:54
8:42
-0:49
24M
24.00 mi13:42:323:14:518:078:36
8:36
-0:06
40K
24.85 mi13:50:053:22:248:097:33
8:50
+0:14
25.2M
25.20 mi13:53:263:25:458:103:21
9:43
+0:53
Finish
26.22 mi14:02:103:34:298:118:44
8:34
-1:09

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

7:34 /mi

Average Pace

8:11 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:07

56% of race

Time at Steady Pace

1:06:01

31% of race

Time at Slower Pace

27:21

13% of race

Average Pace: 8:11 /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 mi10:51:1223:317:3423:31
7:34
#12841
10K
6.21 mi11:15:1947:387:4024:07
7:46
#13636
15K
9.32 mi11:39:271:11:467:4224:08
7:46
#13737
20K
12.43 mi12:04:041:36:237:4524:37
7:55
#13860
Half
13.11 mi12:09:211:41:407:455:17
7:45
#13857
25K
15.53 mi12:28:482:01:077:4819:27
8:01
#13859
30K
18.64 mi12:55:042:27:237:5426:16
8:27
#13929
20M
20.00 mi13:06:352:38:547:5711:31
8:28
#13872
21M
21.00 mi13:15:552:48:148:019:20
9:20
#13940
35K
21.75 mi13:23:022:55:218:047:07
9:31
#14305
23M
23.00 mi13:33:563:06:158:0610:54
8:42
#14328
24M
24.00 mi13:42:323:14:518:078:36
8:36
#14327
40K
24.85 mi13:50:053:22:248:097:33
8:50
#14345
25.2M
25.20 mi13:53:263:25:458:103:21
9:43
#14355
Finish
26.22 mi14:02:103:34:298:118:44
8:34
#14412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi128419577957714081(Top 50%)9975(Top 62%)9975(Top 418%)
10K6.21 mi3.10 mi13636-7959870-2939870-29314452(Top 51%)10191(Top 63%)10191(Top 427%)
15K9.32 mi3.11 mi13737-1019880-109880-1014081(Top 50%)9975(Top 62%)9975(Top 418%)
20K12.43 mi3.11 mi13860-1239888-89888-814288(Top 50%)10002(Top 62%)10002(Top 419%)
Half13.11 mi0.68 mi13857+39880+89880+813740(Top 48%)9789(Top 61%)9789(Top 410%)
25K15.53 mi2.42 mi13859-29852+289852+2814057(Top 49%)9786(Top 61%)9786(Top 410%)
30K18.64 mi3.11 mi13929-709827+259827+2514466(Top 51%)9810(Top 61%)9810(Top 411%)
20M20.00 mi1.36 mi13872+579763+649763+6413609(Top 48%)9272(Top 58%)9272(Top 389%)
21M21.00 mi1.00 mi13940-689765-29765-215290(Top 54%)9905(Top 62%)9905(Top 415%)
35K21.75 mi0.75 mi14305-3659921-1569921-15620353(Top 72%)12130(Top 75%)12130(Top 508%)
23M23.00 mi1.25 mi14328-239895+269895+2614570(Top 51%)9426(Top 59%)9426(Top 395%)
24M24.00 mi1.00 mi14327+19864+319864+3115138(Top 53%)9640(Top 60%)9640(Top 404%)
40K24.85 mi0.85 mi14345-189838+269838+2615330(Top 54%)9578(Top 59%)9578(Top 401%)
25.2M25.20 mi0.35 mi14355-109832+69832+615622(Top 55%)9688(Top 60%)9688(Top 406%)
Finish26.22 mi1.02 mi14412-579825+79825+716643(Top 59%)10217(Top 63%)10217(Top 428%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14081

Males

9975

M45-49

9975

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14452

Males

10191

M45-49

10191

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14081

Males

9975

M45-49

9975

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14288

Males

10002

M45-49

10002

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13740

Males

9789

M45-49

9789

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14057

Males

9786

M45-49

9786

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14466

Males

9810

M45-49

9810

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13609

Males

9272

M45-49

9272

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15290

Males

9905

M45-49

9905

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20353

Males

12130

M45-49

12130

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14570

Males

9426

M45-49

9426

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15138

Males

9640

M45-49

9640

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15330

Males

9578

M45-49

9578

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15622

Males

9688

M45-49

9688

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16643

Males

10217

M45-49

10217

Passing Analysis

Category:
Athletes Passed
1423
Passed By
2994
Net Change
-1571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12841
5K → 10K69864-795#12841#13636
10K → 15K165266-101#13636#13737
15K → 20K181304-123#13737#13860
20K → Half3330+3#13860#13857
Half → 25K188190-2#13857#13859
25K → 30K217287-70#13859#13929
30K → 20M14992+57#13929#13872
20M → 21M81149-68#13872#13940
21M → 35K12377-365#13940#14305
35K → 23M112135-23#14305#14328
23M → 24M7372+1#14328#14327
24M → 40K6583-18#14327#14345
40K → 25.2M2636-10#14345#14355
25.2M → Finish52109-57#14355#14412
TOTALS14232994-1571
📊

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