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BOSTON MARATHON 2025

Thorsten Schaefer

Bib: 17157•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:28/mi
23:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:10:27
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:34:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:39:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
1:59:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:34/mi
2:26:01
↑ 181↓ 1480.2%
20M
9:22/mi
2:38:45
↑ 64↓ 500.2%
21M
11:54/mi
2:50:39
↑ 106↓ 241.6%
35K· 21.75 mi
10:38/mi
2:58:36
↑ 17↓ 861.7%
23M
12:08/mi
3:13:48
↑ 23↓ 630.6%
24M
9:40/mi
3:23:28
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:31:13
↓ 200.3%
25.2M
9:43/mi
3:34:34
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:43:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:58
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time2:03:30
Pace9:25 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0123:137:2823:13
7:28
-
10K
6.21 mi11:39:2746:397:3023:26
7:33
+0:05
15K
9.32 mi12:03:151:10:277:3423:48
7:40
+0:07
20K
12.43 mi12:27:311:34:437:3724:16
7:49
+0:09
Half
13.11 mi12:32:461:39:587:385:15
7:42
-0:07
25K
15.53 mi12:52:121:59:247:4119:26
8:01
+0:19
30K
18.64 mi13:18:492:26:017:5026:37
8:34
+0:33
20M
20.00 mi13:31:332:38:457:5612:44
9:22
+0:48
21M
21.00 mi13:43:272:50:398:0811:54
11:54
+2:32
35K
21.75 mi13:51:242:58:368:137:57
10:38
-1:16
23M
23.00 mi14:06:363:13:488:2615:12
12:08
+1:30
24M
24.00 mi14:16:163:23:288:299:40
9:40
-2:28
40K
24.85 mi14:24:013:31:138:307:45
9:04
-0:36
25.2M
25.20 mi14:27:223:34:348:313:21
9:43
+0:39
Finish
26.22 mi14:36:163:43:288:328:54
8:44
-0:59

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

7:28 /mi

Average Pace

8:32 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:58

45% of race

Time at Steady Pace

1:15:26

34% of race

Time at Slower Pace

48:04

22% of race

Average Pace: 8:31 /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 mi11:16:0123:137:2823:13
7:28
#12011
10K
6.21 mi11:39:2746:397:3023:26
7:33
#12194
15K
9.32 mi12:03:151:10:277:3423:48
7:40
#12499
20K
12.43 mi12:27:311:34:437:3724:16
7:49
#12677
Half
13.11 mi12:32:461:39:587:385:15
7:42
#12703
25K
15.53 mi12:52:121:59:247:4119:26
8:01
#12916
30K
18.64 mi13:18:492:26:017:5026:37
8:34
#13361
20M
20.00 mi13:31:332:38:457:5612:44
9:22
#13804
21M
21.00 mi13:43:272:50:398:0811:54
11:54
#14854
35K
21.75 mi13:51:242:58:368:137:57
10:38
#15400
23M
23.00 mi14:06:363:13:488:2615:12
12:08
#16511
24M
24.00 mi14:16:163:23:288:299:40
9:40
#16733
40K
24.85 mi14:24:013:31:138:307:45
9:04
#16724
25.2M
25.20 mi14:27:223:34:348:313:21
9:43
#16711
Finish
26.22 mi14:36:163:43:288:328:54
8:44
#16730
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi120119178917813134(Top 46%)9575(Top 59%)9575(Top 581%)
10K6.21 mi3.10 mi12194-1839254-769254-7612489(Top 44%)9374(Top 58%)9374(Top 569%)
15K9.32 mi3.11 mi12499-3059361-1079361-10713134(Top 46%)9575(Top 59%)9575(Top 581%)
20K12.43 mi3.11 mi12677-1789387-269387-2613354(Top 47%)9584(Top 60%)9584(Top 582%)
Half13.11 mi0.68 mi12703-269389-29389-213344(Top 47%)9644(Top 60%)9644(Top 585%)
25K15.53 mi2.42 mi12916-2139454-659454-6514009(Top 49%)9763(Top 61%)9763(Top 592%)
30K18.64 mi3.11 mi13361-4459574-1209574-12015181(Top 53%)10140(Top 63%)10140(Top 615%)
20M20.00 mi1.36 mi13804-4439735-1619735-16118594(Top 65%)11489(Top 71%)11489(Top 697%)
21M21.00 mi1.00 mi14854-105010171-43610171-43623399(Top 82%)13625(Top 85%)13625(Top 827%)
35K21.75 mi0.75 mi15400-54610385-21410385-21423412(Top 82%)13590(Top 84%)13590(Top 825%)
23M23.00 mi1.25 mi16511-111110826-44110826-44125310(Top 89%)14485(Top 90%)14485(Top 879%)
24M24.00 mi1.00 mi16733-22210887-6110887-6120243(Top 71%)11974(Top 74%)11974(Top 727%)
40K24.85 mi0.85 mi16724+910851+3610851+3616663(Top 59%)10215(Top 63%)10215(Top 620%)
25.2M25.20 mi0.35 mi16711+1310834+1710834+1715645(Top 55%)9711(Top 60%)9711(Top 589%)
Finish26.22 mi1.02 mi16730-1910816+1810816+1817657(Top 62%)10710(Top 67%)10710(Top 650%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13134

Males

9575

M55-59

9575

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12489

Males

9374

M55-59

9374

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13134

Males

9575

M55-59

9575

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13354

Males

9584

M55-59

9584

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13344

Males

9644

M55-59

9644

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14009

Males

9763

M55-59

9763

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15181

Males

10140

M55-59

10140

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18594

Males

11489

M55-59

11489

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23399

Males

13625

M55-59

13625

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23412

Males

13590

M55-59

13590

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25310

Males

14485

M55-59

14485

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

20243

Males

11974

M55-59

11974

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16663

Males

10215

M55-59

10215

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15645

Males

9711

M55-59

9711

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17657

Males

10710

M55-59

10710

Passing Analysis

Category:
Athletes Passed
965
Passed By
5684
Net Change
-4719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12011
5K → 10K178361-183#12011#12194
10K → 15K98403-305#12194#12499
15K → 20K139317-178#12499#12677
20K → Half2046-26#12677#12703
Half → 25K102315-213#12703#12916
25K → 30K126571-445#12916#13361
30K → 20M51494-443#13361#13804
20M → 21M101060-1050#13804#14854
21M → 35K10556-546#14854#15400
35K → 23M131124-1111#15400#16511
23M → 24M24246-222#16511#16733
24M → 40K9081+9#16733#16724
40K → 25.2M4027+13#16724#16711
25.2M → Finish6483-19#16711#16730
TOTALS9655684-4719
📊

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