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BOSTON MARATHON 2025

Michael Schafer

Bib: 9118•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
6:48/mi
21:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
43:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:07:22
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:35:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:40:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:02:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:31:13
↑ 181↓ 1480.2%
20M
10:15/mi
2:45:09
↑ 64↓ 500.2%
21M
11:51/mi
2:57:00
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:03:50
↑ 17↓ 861.7%
23M
9:24/mi
3:15:36
↑ 23↓ 630.6%
24M
10:32/mi
3:26:08
↓ 821.3%
40K· 24.85 mi
10:12/mi
3:34:51
↓ 200.3%
25.2M
11:13/mi
3:38:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:47:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time2:06:39
Pace9:40 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0321:096:4821:09
6:48
-
10K
6.21 mi11:15:5043:567:0422:47
7:20
+0:32
15K
9.32 mi11:39:161:07:227:1423:26
7:33
+0:13
20K
12.43 mi12:06:561:35:027:3927:40
8:54
+1:21
Half
13.11 mi12:12:241:40:307:405:28
8:01
-0:53
25K
15.53 mi12:34:172:02:237:5321:53
9:02
+1:01
30K
18.64 mi13:03:072:31:138:0728:50
9:17
+0:15
20M
20.00 mi13:17:032:45:098:1513:56
10:15
+0:58
21M
21.00 mi13:28:542:57:008:2611:51
11:51
+1:36
35K
21.75 mi13:35:443:03:508:276:50
9:08
-2:43
23M
23.00 mi13:47:303:15:368:3011:46
9:24
+0:16
24M
24.00 mi13:58:023:26:088:3510:32
10:32
+1:08
40K
24.85 mi14:06:453:34:518:398:43
10:12
-0:20
25.2M
25.20 mi14:10:373:38:438:413:52
11:13
+1:01
Finish
26.22 mi14:19:033:47:098:408:26
8:17
-2:56

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

6:48 /mi

Average Pace

8:40 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:16

36% of race

Time at Steady Pace

1:36:59

43% of race

Time at Slower Pace

48:54

22% of race

Average Pace: 8:40 /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 mi10:53:0321:096:4821:09
6:48
#6373
10K
6.21 mi11:15:5043:567:0422:47
7:20
#8436
15K
9.32 mi11:39:161:07:227:1423:26
7:33
#9561
20K
12.43 mi12:06:561:35:027:3927:40
8:54
#12901
Half
13.11 mi12:12:241:40:307:405:28
8:01
#13066
25K
15.53 mi12:34:172:02:237:5321:53
9:02
#14532
30K
18.64 mi13:03:072:31:138:0728:50
9:17
#15609
20M
20.00 mi13:17:032:45:098:1513:56
10:15
#16240
21M
21.00 mi13:28:542:57:008:2611:51
11:51
#16880
35K
21.75 mi13:35:443:03:508:276:50
9:08
#16962
23M
23.00 mi13:47:303:15:368:3011:46
9:24
#17040
24M
24.00 mi13:58:023:26:088:3510:32
10:32
#17470
40K
24.85 mi14:06:453:34:518:398:43
10:12
#17664
25.2M
25.20 mi14:10:373:38:438:413:52
11:13
#17745
Finish
26.22 mi14:19:033:47:098:408:26
8:17
#17633
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi63735819581912130(Top 43%)9125(Top 57%)9125(Top 457%)
10K6.21 mi3.10 mi8436-20637261-14427261-144210605(Top 37%)8466(Top 53%)8466(Top 424%)
15K9.32 mi3.11 mi9561-11257907-6467907-64612130(Top 43%)9125(Top 57%)9125(Top 457%)
20K12.43 mi3.11 mi12901-33409475-15689475-156820486(Top 72%)12663(Top 79%)12663(Top 634%)
Half13.11 mi0.68 mi13066-1659545-709545-7015969(Top 56%)10772(Top 67%)10772(Top 540%)
25K15.53 mi2.42 mi14532-146610138-59310138-59320009(Top 70%)12412(Top 77%)12412(Top 622%)
30K18.64 mi3.11 mi15609-107710566-42810566-42819013(Top 67%)11832(Top 73%)11832(Top 593%)
20M20.00 mi1.36 mi16240-63110791-22510791-22521713(Top 76%)12909(Top 80%)12909(Top 647%)
21M21.00 mi1.00 mi16880-64011036-24511036-24523299(Top 82%)13581(Top 84%)13581(Top 680%)
35K21.75 mi0.75 mi16962-8211039-311039-318848(Top 66%)11417(Top 71%)11417(Top 572%)
23M23.00 mi1.25 mi17040-7811036+311036+318216(Top 64%)11074(Top 69%)11074(Top 555%)
24M24.00 mi1.00 mi17470-43011194-15811194-15822896(Top 81%)13247(Top 82%)13247(Top 664%)
40K24.85 mi0.85 mi17664-19411246-5211246-5221042(Top 74%)12295(Top 76%)12295(Top 616%)
25.2M25.20 mi0.35 mi17745-8111276-3011276-3021222(Top 75%)12384(Top 77%)12384(Top 620%)
Finish26.22 mi1.02 mi17633+11211209+6711209+6714758(Top 52%)9378(Top 58%)9378(Top 470%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12130

Males

9125

M50-54

9125

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10605

Males

8466

M50-54

8466

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12130

Males

9125

M50-54

9125

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20486

Males

12663

M50-54

12663

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15969

Males

10772

M50-54

10772

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

20009

Males

12412

M50-54

12412

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

19013

Males

11832

M50-54

11832

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21713

Males

12909

M50-54

12909

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23299

Males

13581

M50-54

13581

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18848

Males

11417

M50-54

11417

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18216

Males

11074

M50-54

11074

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22896

Males

13247

M50-54

13247

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21042

Males

12295

M50-54

12295

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21222

Males

12384

M50-54

12384

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14758

Males

9378

M50-54

9378

Passing Analysis

Category:
Athletes Passed
484
Passed By
11742
Net Change
-11260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6373
5K → 10K72070-2063#6373#8436
10K → 15K181143-1125#8436#9561
15K → 20K43342-3340#9561#12901
20K → Half8173-165#12901#13066
Half → 25K271493-1466#13066#14532
25K → 30K571134-1077#14532#15609
30K → 20M24655-631#15609#16240
20M → 21M17657-640#16240#16880
21M → 35K42124-82#16880#16962
35K → 23M94172-78#16962#17040
23M → 24M23453-430#17040#17470
24M → 40K23217-194#17470#17664
40K → 25.2M1394-81#17664#17745
25.2M → Finish12715+112#17745#17633
TOTALS48411742-11260
📊

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