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BOSTON MARATHON 2025

Kent Blocher

Bib: 24230•M

NY

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
8:46/mi
27:13
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
55:13
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:24:28
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:54:18
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:00:46
↑ 19↓ 370.5%
25K· 15.53 mi
10:38/mi
2:26:34
↑ 66↓ 880.2%
30K· 18.64 mi
11:26/mi
3:02:05
↑ 181↓ 1480.2%
20M
12:33/mi
3:19:08
↑ 64↓ 500.2%
21M
12:38/mi
3:31:46
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
3:40:43
↑ 17↓ 861.7%
23M
12:20/mi
3:56:10
↑ 23↓ 630.6%
24M
11:09/mi
4:07:19
↓ 821.3%
40K· 24.85 mi
11:50/mi
4:17:26
↓ 200.3%
25.2M
11:19/mi
4:21:20
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:31:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:46
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:30:50
Pace11:30 /mi
📊Positive Split: 24.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3927:138:4627:13
8:46
-
10K
6.21 mi11:54:3955:138:5328:00
9:01
+0:15
15K
9.32 mi12:23:541:24:289:0429:15
9:25
+0:24
20K
12.43 mi12:53:441:54:189:1229:50
9:36
+0:11
Half
13.11 mi13:00:122:00:469:136:28
9:29
-0:07
25K
15.53 mi13:26:002:26:349:2625:48
10:38
+1:09
30K
18.64 mi14:01:313:02:059:4635:31
11:26
+0:48
20M
20.00 mi14:18:343:19:089:5717:03
12:33
+1:07
21M
21.00 mi14:31:123:31:4610:0512:38
12:38
+0:05
35K
21.75 mi14:40:093:40:4310:098:57
11:58
-0:40
23M
23.00 mi14:55:363:56:1010:1615:27
12:20
+0:22
24M
24.00 mi15:06:454:07:1910:1811:09
11:09
-1:11
40K
24.85 mi15:16:524:17:2610:2110:07
11:50
+0:41
25.2M
25.20 mi15:20:464:21:2010:223:54
11:19
-0:31
Finish
26.22 mi15:31:024:31:3610:2210:16
10:04
-1:15

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

8:46 /mi

Average Pace

10:22 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:02

48% of race

Time at Steady Pace

1:16:22

28% of race

Time at Slower Pace

1:04:12

24% of race

Average Pace: 10:22 /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 mi11:26:3927:138:4627:13
8:46
#21314
10K
6.21 mi11:54:3955:138:5328:00
9:01
#21899
15K
9.32 mi12:23:541:24:289:0429:15
9:25
#22548
20K
12.43 mi12:53:441:54:189:1229:50
9:36
#22779
Half
13.11 mi13:00:122:00:469:136:28
9:29
#22825
25K
15.53 mi13:26:002:26:349:2625:48
10:38
#23224
30K
18.64 mi14:01:313:02:059:4635:31
11:26
#23585
20M
20.00 mi14:18:343:19:089:5717:03
12:33
#23896
21M
21.00 mi14:31:123:31:4610:0512:38
12:38
#23948
35K
21.75 mi14:40:093:40:4310:098:57
11:58
#24057
23M
23.00 mi14:55:363:56:1010:1615:27
12:20
#24172
24M
24.00 mi15:06:454:07:1910:1811:09
11:09
#24183
40K
24.85 mi15:16:524:17:2610:2110:07
11:50
#24224
25.2M
25.20 mi15:20:464:21:2010:223:54
11:19
#24185
Finish
26.22 mi15:31:024:31:3610:2210:16
10:04
#24157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21314130111301123512(Top 83%)14066(Top 87%)14066(Top 2201%)
10K6.21 mi3.10 mi21899-58513291-28013291-28022433(Top 79%)13542(Top 84%)13542(Top 2119%)
15K9.32 mi3.11 mi22548-64913606-31513606-31523512(Top 83%)14066(Top 87%)14066(Top 2201%)
20K12.43 mi3.11 mi22779-23113721-11513721-11523213(Top 82%)13901(Top 86%)13901(Top 2175%)
Half13.11 mi0.68 mi22825-4613738-1713738-1723505(Top 83%)14014(Top 87%)14014(Top 2193%)
25K15.53 mi2.42 mi23224-39913908-17013908-17024615(Top 87%)14469(Top 90%)14469(Top 2264%)
30K18.64 mi3.11 mi23585-36114021-11314021-11324754(Top 87%)14421(Top 90%)14421(Top 2257%)
20M20.00 mi1.36 mi23896-31114145-12414145-12425957(Top 91%)14896(Top 92%)14896(Top 2331%)
21M21.00 mi1.00 mi23948-5214148-314148-324573(Top 87%)14173(Top 88%)14173(Top 2218%)
35K21.75 mi0.75 mi24057-10914184-3614184-3625809(Top 91%)14733(Top 91%)14733(Top 2306%)
23M23.00 mi1.25 mi24172-11514221-3714221-3725577(Top 90%)14614(Top 91%)14614(Top 2287%)
24M24.00 mi1.00 mi24183-1114207+1414207+1424287(Top 86%)13963(Top 87%)13963(Top 2185%)
40K24.85 mi0.85 mi24224-4114225-1814225-1824672(Top 87%)14096(Top 88%)14096(Top 2206%)
25.2M25.20 mi0.35 mi24185+3914194+3114194+3121544(Top 76%)12567(Top 78%)12567(Top 1967%)
Finish26.22 mi1.02 mi24157+2814176+1814176+1823142(Top 81%)13347(Top 83%)13347(Top 2089%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23512

Males

14066

M65-69

14066

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22433

Males

13542

M65-69

13542

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23512

Males

14066

M65-69

14066

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23213

Males

13901

M65-69

13901

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23505

Males

14014

M65-69

14014

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24615

Males

14469

M65-69

14469

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24754

Males

14421

M65-69

14421

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25957

Males

14896

M65-69

14896

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24573

Males

14173

M65-69

14173

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25809

Males

14733

M65-69

14733

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

25577

Males

14614

M65-69

14614

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24287

Males

13963

M65-69

13963

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24672

Males

14096

M65-69

14096

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21544

Males

12567

M65-69

12567

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23142

Males

13347

M65-69

13347

Passing Analysis

Category:
Athletes Passed
652
Passed By
3495
Net Change
-2843
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21314
5K → 10K87672-585#21314#21899
10K → 15K56705-649#21899#22548
15K → 20K111342-231#22548#22779
20K → Half1864-46#22779#22825
Half → 25K39438-399#22825#23224
25K → 30K64425-361#23224#23585
30K → 20M20331-311#23585#23896
20M → 21M4294-52#23896#23948
21M → 35K17126-109#23948#24057
35K → 23M35150-115#24057#24172
23M → 24M4455-11#24172#24183
24M → 40K2465-41#24183#24224
40K → 25.2M434+39#24224#24185
25.2M → Finish5224+28#24185#24157
TOTALS6523495-2843
📊

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