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BOSTON MARATHON 2025

David Wirtanen

Bib: 21449•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:19:31
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:47:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:53:41
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:16:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:43/mi
2:46:26
↑ 181↓ 1480.2%
20M
9:55/mi
2:59:54
↑ 64↓ 500.2%
21M
10:14/mi
3:10:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:31/mi
3:17:15
↑ 17↓ 861.7%
23M
9:37/mi
3:29:17
↑ 23↓ 630.6%
24M
9:05/mi
3:38:22
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:46:28
↓ 200.3%
25.2M
10:21/mi
3:50:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:58:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:41
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:04:55
Pace9:32 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2125:398:1525:39
8:15
-
10K
6.21 mi11:46:5152:098:2426:30
8:32
+0:17
15K
9.32 mi12:14:131:19:318:3227:22
8:49
+0:17
20K
12.43 mi12:42:211:47:398:4028:08
9:03
+0:14
Half
13.11 mi12:48:231:53:418:406:02
8:51
-0:12
25K
15.53 mi13:10:572:16:158:4622:34
9:18
+0:27
30K
18.64 mi13:41:082:46:268:5630:11
9:43
+0:25
20M
20.00 mi13:54:362:59:549:0013:28
9:55
+0:12
21M
21.00 mi14:04:503:10:089:0310:14
10:14
+0:19
35K
21.75 mi14:11:573:17:159:047:07
9:31
-0:43
23M
23.00 mi14:23:593:29:179:0612:02
9:37
+0:06
24M
24.00 mi14:33:043:38:229:069:05
9:05
-0:32
40K
24.85 mi14:41:103:46:289:078:06
9:28
+0:23
25.2M
25.20 mi14:44:443:50:029:083:34
10:21
+0:53
Finish
26.22 mi14:53:183:58:369:068:34
8:24
-1:57

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

8:15 /mi

Average Pace

9:06 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:07

39% of race

Time at Steady Pace

1:15:00

31% of race

Time at Slower Pace

1:09:29

29% of race

Average Pace: 9:06 /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 mi11:20:2125:398:1525:39
8:15
#18449
10K
6.21 mi11:46:5152:098:2426:30
8:32
#19191
15K
9.32 mi12:14:131:19:318:3227:22
8:49
#19866
20K
12.43 mi12:42:211:47:398:4028:08
9:03
#20203
Half
13.11 mi12:48:231:53:418:406:02
8:51
#20252
25K
15.53 mi13:10:572:16:158:4622:34
9:18
#20472
30K
18.64 mi13:41:082:46:268:5630:11
9:43
#20517
20M
20.00 mi13:54:362:59:549:0013:28
9:55
#20527
21M
21.00 mi14:04:503:10:089:0310:14
10:14
#20450
35K
21.75 mi14:11:573:17:159:047:07
9:31
#20456
23M
23.00 mi14:23:593:29:179:0612:02
9:37
#20376
24M
24.00 mi14:33:043:38:229:069:05
9:05
#20277
40K
24.85 mi14:41:103:46:289:078:06
9:28
#20231
25.2M
25.20 mi14:44:443:50:029:083:34
10:21
#20203
Finish
26.22 mi14:53:183:58:369:068:34
8:24
#20077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18449117881178821053(Top 74%)12960(Top 80%)12960(Top 1029%)
10K6.21 mi3.10 mi19191-74212131-34312131-34319960(Top 70%)12464(Top 77%)12464(Top 990%)
15K9.32 mi3.11 mi19866-67512419-28812419-28821053(Top 74%)12960(Top 80%)12960(Top 1029%)
20K12.43 mi3.11 mi20203-33712553-13412553-13421240(Top 75%)13011(Top 81%)13011(Top 1033%)
Half13.11 mi0.68 mi20252-4912567-1412567-1421078(Top 74%)12928(Top 80%)12928(Top 1027%)
25K15.53 mi2.42 mi20472-22012660-9312660-9321196(Top 75%)12933(Top 80%)12933(Top 1027%)
30K18.64 mi3.11 mi20517-4512639+2112639+2120733(Top 73%)12607(Top 78%)12607(Top 1001%)
20M20.00 mi1.36 mi20527-1012628+1112628+1120629(Top 73%)12417(Top 77%)12417(Top 986%)
21M21.00 mi1.00 mi20450+7712567+6112567+6119124(Top 67%)11680(Top 73%)11680(Top 928%)
35K21.75 mi0.75 mi20456-612559+812559+820367(Top 72%)12144(Top 75%)12144(Top 965%)
23M23.00 mi1.25 mi20376+8012498+6112498+6119120(Top 67%)11503(Top 71%)11503(Top 914%)
24M24.00 mi1.00 mi20277+9912431+6712431+6717789(Top 63%)10831(Top 67%)10831(Top 860%)
40K24.85 mi0.85 mi20231+4612389+4212389+4218601(Top 65%)11128(Top 69%)11128(Top 884%)
25.2M25.20 mi0.35 mi20203+2812378+1112378+1118433(Top 65%)11041(Top 69%)11041(Top 877%)
Finish26.22 mi1.02 mi20077+12612302+7612302+7615618(Top 55%)9772(Top 61%)9772(Top 776%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21053

Males

12960

M60-64

12960

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19960

Males

12464

M60-64

12464

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21053

Males

12960

M60-64

12960

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21240

Males

13011

M60-64

13011

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21078

Males

12928

M60-64

12928

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21196

Males

12933

M60-64

12933

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20733

Males

12607

M60-64

12607

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20629

Males

12417

M60-64

12417

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19124

Males

11680

M60-64

11680

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20367

Males

12144

M60-64

12144

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19120

Males

11503

M60-64

11503

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17789

Males

10831

M60-64

10831

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18601

Males

11128

M60-64

11128

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18433

Males

11041

M60-64

11041

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15618

Males

9772

M60-64

9772

Passing Analysis

Category:
Athletes Passed
1318
Passed By
2946
Net Change
-1628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18449
5K → 10K68810-742#18449#19191
10K → 15K53728-675#19191#19866
15K → 20K90427-337#19866#20203
20K → Half1867-49#20203#20252
Half → 25K92312-220#20252#20472
25K → 30K218263-45#20472#20517
30K → 20M96106-10#20517#20527
20M → 21M12043+77#20527#20450
21M → 35K5662-6#20450#20456
35K → 23M12848+80#20456#20376
23M → 24M11516+99#20376#20277
24M → 40K7933+46#20277#20231
40K → 25.2M4416+28#20231#20203
25.2M → Finish14115+126#20203#20077
TOTALS13182946-1628
📊

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