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BOSTON MARATHON 2025

David Schaub

Bib: 20812•M

IL

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
8:02/mi
24:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:15:05
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:40:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:46:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:06:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:56/mi
2:34:17
↑ 181↓ 1480.2%
20M
9:34/mi
2:47:17
↑ 64↓ 500.2%
21M
10:25/mi
2:57:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:56/mi
3:05:08
↑ 17↓ 861.7%
23M
10:34/mi
3:18:22
↑ 23↓ 630.6%
24M
12:02/mi
3:30:24
↓ 821.3%
40K· 24.85 mi
15:59/mi
3:44:04
↓ 200.3%
25.2M
15:02/mi
3:49:15
↑ 13↓ 160.2%
Finish· 26.22 mi
13:12/mi
4:02:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:16:21
Pace10:24 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5424:588:0224:58
8:02
-
10K
6.21 mi11:44:0750:118:0525:13
8:07
+0:05
15K
9.32 mi12:09:011:15:058:0324:54
8:01
-0:06
20K
12.43 mi12:34:431:40:478:0725:42
8:16
+0:15
Half
13.11 mi12:40:171:46:218:075:34
8:10
-0:06
25K
15.53 mi13:00:272:06:318:0920:10
8:19
+0:09
30K
18.64 mi13:28:132:34:178:1727:46
8:56
+0:37
20M
20.00 mi13:41:132:47:178:2213:00
9:34
+0:38
21M
21.00 mi13:51:382:57:428:2810:25
10:25
+0:51
35K
21.75 mi13:59:043:05:088:317:26
9:56
-0:29
23M
23.00 mi14:12:183:18:228:3713:14
10:34
+0:38
24M
24.00 mi14:24:203:30:248:4612:02
12:02
+1:28
40K
24.85 mi14:38:003:44:049:0113:40
15:59
+3:57
25.2M
25.20 mi14:43:113:49:159:065:11
15:02
-0:57
Finish
26.22 mi14:56:384:02:429:1613:27
13:12
-1:50

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

8:01 /mi

Average Pace

9:16 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:21

44% of race

Time at Steady Pace

1:32:01

38% of race

Time at Slower Pace

44:20

18% of race

Average Pace: 9:15 /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 mi11:18:5424:588:0224:58
8:02
#16866
10K
6.21 mi11:44:0750:118:0525:13
8:07
#17080
15K
9.32 mi12:09:011:15:058:0324:54
8:01
#16744
20K
12.43 mi12:34:431:40:478:0725:42
8:16
#16749
Half
13.11 mi12:40:171:46:218:075:34
8:10
#16749
25K
15.53 mi13:00:272:06:318:0920:10
8:19
#16597
30K
18.64 mi13:28:132:34:178:1727:46
8:56
#16698
20M
20.00 mi13:41:132:47:178:2213:00
9:34
#16912
21M
21.00 mi13:51:382:57:428:2810:25
10:25
#17105
35K
21.75 mi13:59:043:05:088:317:26
9:56
#17353
23M
23.00 mi14:12:183:18:228:3713:14
10:34
#17820
24M
24.00 mi14:24:203:30:248:4612:02
12:02
#18564
40K
24.85 mi14:38:003:44:049:0113:40
15:59
#19753
25.2M
25.20 mi14:43:113:49:159:065:11
15:02
#20055
Finish
26.22 mi14:56:384:02:429:1613:27
13:12
#20740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16866111531115316148(Top 57%)10875(Top 68%)10875(Top 864%)
10K6.21 mi3.10 mi17080-21411258-10511258-10517314(Top 61%)11377(Top 71%)11377(Top 904%)
15K9.32 mi3.11 mi16744+33611121+13711121+13716148(Top 57%)10875(Top 68%)10875(Top 864%)
20K12.43 mi3.11 mi16749-511114+711114+716771(Top 59%)11078(Top 69%)11078(Top 880%)
Half13.11 mi0.68 mi1674911112+211112+217018(Top 60%)11209(Top 70%)11209(Top 890%)
25K15.53 mi2.42 mi16597+15211025+8711025+8716025(Top 56%)10660(Top 66%)10660(Top 847%)
30K18.64 mi3.11 mi16698-10111016+911016+917352(Top 61%)11088(Top 69%)11088(Top 881%)
20M20.00 mi1.36 mi16912-21411076-6011076-6019466(Top 69%)11914(Top 74%)11914(Top 946%)
21M21.00 mi1.00 mi17105-19311116-4011116-4019746(Top 70%)11933(Top 74%)11933(Top 948%)
35K21.75 mi0.75 mi17353-24811193-7711193-7721707(Top 76%)12771(Top 79%)12771(Top 1014%)
23M23.00 mi1.25 mi17820-46711379-18611379-18622175(Top 78%)12963(Top 80%)12963(Top 1030%)
24M24.00 mi1.00 mi18564-74411679-30011679-30025722(Top 91%)14665(Top 91%)14665(Top 1165%)
40K24.85 mi0.85 mi19753-118912176-49712176-49728096(Top 99%)15894(Top 99%)15894(Top 1262%)
25.2M25.20 mi0.35 mi20055-30212299-12312299-12327139(Top 96%)15344(Top 95%)15344(Top 1219%)
Finish26.22 mi1.02 mi20740-68512602-30312602-30327718(Top 98%)15684(Top 97%)15684(Top 1246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16148

Males

10875

M60-64

10875

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17314

Males

11377

M60-64

11377

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16148

Males

10875

M60-64

10875

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16771

Males

11078

M60-64

11078

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17018

Males

11209

M60-64

11209

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

16025

Males

10660

M60-64

10660

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17352

Males

11088

M60-64

11088

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19466

Males

11914

M60-64

11914

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19746

Males

11933

M60-64

11933

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21707

Males

12771

M60-64

12771

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22175

Males

12963

M60-64

12963

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25722

Males

14665

M60-64

14665

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28096

Males

15894

M60-64

15894

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27139

Males

15344

M60-64

15344

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27718

Males

15684

M60-64

15684

Passing Analysis

Category:
Athletes Passed
1448
Passed By
5322
Net Change
-3874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16866
5K → 10K215429-214#16866#17080
10K → 15K39862+336#17080#16744
15K → 20K201206-5#16744#16749
20K → Half41410#16749#16749
Half → 25K22876+152#16749#16597
25K → 30K183284-101#16597#16698
30K → 20M40254-214#16698#16912
20M → 21M71264-193#16912#17105
21M → 35K22270-248#17105#17353
35K → 23M30497-467#17353#17820
23M → 24M12756-744#17820#18564
24M → 40K21191-1189#18564#19753
40K → 25.2M2304-302#19753#20055
25.2M → Finish3688-685#20055#20740
TOTALS14485322-3874
📊

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