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BOSTON MARATHON 2025

Walter Sieg

Bib: 18215•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
8:05/mi
25:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:15:15
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:40:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:46:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:10:09
↑ 66↓ 880.2%
30K· 18.64 mi
11:00/mi
2:44:20
↑ 181↓ 1480.2%
20M
12:02/mi
3:00:41
↑ 64↓ 500.2%
21M
13:38/mi
3:14:19
↑ 106↓ 241.6%
35K· 21.75 mi
11:30/mi
3:22:55
↑ 17↓ 861.7%
23M
11:00/mi
3:36:41
↑ 23↓ 630.6%
24M
10:52/mi
3:47:33
↓ 821.3%
40K· 24.85 mi
11:29/mi
3:57:22
↓ 200.3%
25.2M
13:55/mi
4:02:10
↑ 13↓ 160.2%
Finish· 26.22 mi
11:09/mi
4:13:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:54
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:26:38
Pace11:11 /mi
📊Positive Split: 37.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4325:068:0525:06
8:05
-
10K
6.21 mi11:49:4750:108:0425:04
8:04
-0:01
15K
9.32 mi12:14:521:15:158:0425:05
8:04
0:00
20K
12.43 mi12:40:331:40:568:0725:41
8:16
+0:12
Half
13.11 mi12:46:311:46:548:095:58
8:45
+0:29
25K
15.53 mi13:09:462:10:098:2323:15
9:35
+0:50
30K
18.64 mi13:43:572:44:208:4934:11
11:00
+1:25
20M
20.00 mi14:00:183:00:419:0216:21
12:02
+1:02
21M
21.00 mi14:13:563:14:199:1513:38
13:38
+1:36
35K
21.75 mi14:22:323:22:559:208:36
11:30
-2:08
23M
23.00 mi14:36:183:36:419:2513:46
11:00
-0:30
24M
24.00 mi14:47:103:47:339:2910:52
10:52
-0:08
40K
24.85 mi14:56:593:57:229:339:49
11:29
+0:37
25.2M
25.20 mi15:01:474:02:109:374:48
13:55
+2:26
Finish
26.22 mi15:13:094:13:329:4111:22
11:09
-2:46

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

8:04 /mi

Average Pace

9:41 /mi

Slowest Pace

13:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:09

51% of race

Time at Steady Pace

1:28:36

35% of race

Time at Slower Pace

34:47

14% of race

Average Pace: 9:40 /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 mi11:24:4325:068:0525:06
8:05
#17213
10K
6.21 mi11:49:4750:108:0425:04
8:04
#17056
15K
9.32 mi12:14:521:15:158:0425:05
8:04
#16880
20K
12.43 mi12:40:331:40:568:0725:41
8:16
#16846
Half
13.11 mi12:46:311:46:548:095:58
8:45
#17045
25K
15.53 mi13:09:462:10:098:2323:15
9:35
#18119
30K
18.64 mi13:43:572:44:208:4934:11
11:00
#19958
20M
20.00 mi14:00:183:00:419:0216:21
12:02
#20720
21M
21.00 mi14:13:563:14:199:1513:38
13:38
#21330
35K
21.75 mi14:22:323:22:559:208:36
11:30
#21582
23M
23.00 mi14:36:183:36:419:2513:46
11:00
#21691
24M
24.00 mi14:47:103:47:339:2910:52
10:52
#21797
40K
24.85 mi14:56:593:57:229:339:49
11:29
#21904
25.2M
25.20 mi15:01:474:02:109:374:48
13:55
#22006
Finish
26.22 mi15:13:094:13:329:4111:22
11:09
#22181
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17213113011130116572(Top 58%)11046(Top 69%)11046(Top 1729%)
10K6.21 mi3.10 mi17056+15711247+5411247+5416974(Top 60%)11237(Top 70%)11237(Top 1759%)
15K9.32 mi3.11 mi16880+17611180+6711180+6716572(Top 58%)11046(Top 69%)11046(Top 1729%)
20K12.43 mi3.11 mi16846+3411150+3011150+3016738(Top 59%)11068(Top 69%)11068(Top 1732%)
Half13.11 mi0.68 mi17045-19911221-7111221-7120621(Top 73%)12747(Top 79%)12747(Top 1995%)
25K15.53 mi2.42 mi18119-107411642-42111642-42122151(Top 78%)13358(Top 83%)13358(Top 2090%)
30K18.64 mi3.11 mi19958-183912401-75912401-75924001(Top 84%)14072(Top 87%)14072(Top 2202%)
20M20.00 mi1.36 mi20720-76212712-31112712-31125312(Top 89%)14600(Top 91%)14600(Top 2285%)
21M21.00 mi1.00 mi21330-61012976-26412976-26425804(Top 91%)14788(Top 92%)14788(Top 2314%)
35K21.75 mi0.75 mi21582-25213078-10213078-10225082(Top 88%)14386(Top 89%)14386(Top 2251%)
23M23.00 mi1.25 mi21691-10913094-1613094-1623204(Top 82%)13428(Top 83%)13428(Top 2101%)
24M24.00 mi1.00 mi21797-10613112-1813112-1823699(Top 83%)13662(Top 85%)13662(Top 2138%)
40K24.85 mi0.85 mi21904-10713142-3013142-3024099(Top 85%)13822(Top 86%)13822(Top 2163%)
25.2M25.20 mi0.35 mi22006-10213185-4313185-4326203(Top 92%)14842(Top 92%)14842(Top 2323%)
Finish26.22 mi1.02 mi22181-17513240-5513240-5525633(Top 90%)14589(Top 91%)14589(Top 2283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16572

Males

11046

M65-69

11046

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16974

Males

11237

M65-69

11237

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16572

Males

11046

M65-69

11046

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16738

Males

11068

M65-69

11068

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20621

Males

12747

M65-69

12747

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22151

Males

13358

M65-69

13358

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

24001

Males

14072

M65-69

14072

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25312

Males

14600

M65-69

14600

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25804

Males

14788

M65-69

14788

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25082

Males

14386

M65-69

14386

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23204

Males

13428

M65-69

13428

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23699

Males

13662

M65-69

13662

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24099

Males

13822

M65-69

13822

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26203

Males

14842

M65-69

14842

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25633

Males

14589

M65-69

14589

Passing Analysis

Category:
Athletes Passed
1100
Passed By
6068
Net Change
-4968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17213
5K → 10K382225+157#17213#17056
10K → 15K299123+176#17056#16880
15K → 20K211177+34#16880#16846
20K → Half7206-199#16846#17045
Half → 25K231097-1074#17045#18119
25K → 30K131852-1839#18119#19958
30K → 20M14776-762#19958#20720
20M → 21M13623-610#20720#21330
21M → 35K10262-252#21330#21582
35K → 23M60169-109#21582#21691
23M → 24M23129-106#21691#21797
24M → 40K20127-107#21797#21904
40K → 25.2M6108-102#21904#22006
25.2M → Finish19194-175#22006#22181
TOTALS11006068-4968
📊

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