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BOSTON MARATHON 2025

Mark Bloudek

Bib: 4410•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M50-54)
#0 / 1996
Top 3%
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
6:23/mi
19:49
↑ 97↓ 3451.5%
10K· 6.21 mi
6:25/mi
39:45
↑ 79↓ 1380.4%
15K· 9.32 mi
6:21/mi
59:29
↑ 67↓ 78
20K· 12.43 mi
6:24/mi
1:19:21
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:23:41
↑ 19↓ 370.5%
25K· 15.53 mi
6:27/mi
1:39:20
↑ 66↓ 880.2%
30K· 18.64 mi
6:54/mi
2:00:46
↑ 181↓ 1480.2%
20M
6:59/mi
2:10:15
↑ 64↓ 500.2%
21M
7:14/mi
2:17:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:22:45
↑ 17↓ 861.7%
23M
7:20/mi
2:31:56
↑ 23↓ 630.6%
24M
7:05/mi
2:39:01
↓ 821.3%
40K· 24.85 mi
7:13/mi
2:45:11
↓ 200.3%
25.2M
7:53/mi
2:47:54
↑ 13↓ 160.2%
Finish· 26.22 mi
6:57/mi
2:54:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:41
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:31:18
Pace6:58 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5619:496:2319:49
6:23
-
10K
6.21 mi10:43:5239:456:2419:56
6:25
+0:02
15K
9.32 mi11:03:3659:296:2319:44
6:21
-0:04
20K
12.43 mi11:23:281:19:216:2319:52
6:24
+0:03
Half
13.11 mi11:27:481:23:416:234:20
6:21
-0:03
25K
15.53 mi11:43:271:39:206:2415:39
6:27
+0:06
30K
18.64 mi12:04:532:00:466:2921:26
6:54
+0:27
20M
20.00 mi12:14:222:10:156:319:29
6:59
+0:05
21M
21.00 mi12:21:362:17:296:337:14
7:14
+0:15
35K
21.75 mi12:26:522:22:456:345:16
7:02
-0:12
23M
23.00 mi12:36:032:31:566:369:11
7:20
+0:18
24M
24.00 mi12:43:082:39:016:387:05
7:05
-0:15
40K
24.85 mi12:49:182:45:116:396:10
7:13
+0:08
25.2M
25.20 mi12:52:012:47:546:402:43
7:53
+0:40
Finish
26.22 mi12:59:062:54:596:417:05
6:57
-0:56

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

6:21 /mi

Average Pace

6:41 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:20

57% of race

Time at Steady Pace

50:21

29% of race

Time at Slower Pace

25:18

14% of race

Average Pace: 6:40 /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 mi10:23:5619:496:2319:49
6:23
#2947
10K
6.21 mi10:43:5239:456:2419:56
6:25
#3040
15K
9.32 mi11:03:3659:296:2319:44
6:21
#2873
20K
12.43 mi11:23:281:19:216:2319:52
6:24
#2768
Half
13.11 mi11:27:481:23:416:234:20
6:21
#2760
25K
15.53 mi11:43:271:39:206:2415:39
6:27
#2709
30K
18.64 mi12:04:532:00:466:2921:26
6:54
#2908
20M
20.00 mi12:14:222:10:156:319:29
6:59
#2951
21M
21.00 mi12:21:362:17:296:337:14
7:14
#2936
35K
21.75 mi12:26:522:22:456:345:16
7:02
#2980
23M
23.00 mi12:36:032:31:566:369:11
7:20
#3076
24M
24.00 mi12:43:082:39:016:387:05
7:05
#3137
40K
24.85 mi12:49:182:45:116:396:10
7:13
#3166
25.2M
25.20 mi12:52:012:47:546:402:43
7:53
#3186
Finish
26.22 mi12:59:062:54:596:417:05
6:57
#3238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2947280328032640(Top 9%)2517(Top 16%)2517(Top 126%)
10K6.21 mi3.10 mi3040-932892-892892-893139(Top 11%)2987(Top 19%)2987(Top 150%)
15K9.32 mi3.11 mi2873+1672737+1552737+1552640(Top 9%)2517(Top 16%)2517(Top 126%)
20K12.43 mi3.11 mi2768+1052639+982639+982490(Top 9%)2375(Top 15%)2375(Top 119%)
Half13.11 mi0.68 mi2760+82632+72632+72784(Top 10%)2660(Top 17%)2660(Top 133%)
25K15.53 mi2.42 mi2709+512585+472585+472636(Top 9%)2509(Top 16%)2509(Top 126%)
30K18.64 mi3.11 mi2908-1992769-1842769-1844049(Top 14%)3725(Top 23%)3725(Top 187%)
20M20.00 mi1.36 mi2951-432807-382807-383953(Top 14%)3621(Top 22%)3621(Top 181%)
21M21.00 mi1.00 mi2936+152787+202787+203260(Top 11%)2998(Top 19%)2998(Top 150%)
35K21.75 mi0.75 mi2980-442823-362823-365558(Top 20%)4746(Top 29%)4746(Top 238%)
23M23.00 mi1.25 mi3076-962909-862909-865613(Top 20%)4738(Top 29%)4738(Top 237%)
24M24.00 mi1.00 mi3137-612962-532962-535095(Top 18%)4314(Top 27%)4314(Top 216%)
40K24.85 mi0.85 mi3166-292981-192981-195080(Top 18%)4251(Top 26%)4251(Top 213%)
25.2M25.20 mi0.35 mi3186-202998-172998-175197(Top 18%)4218(Top 26%)4218(Top 211%)
Finish26.22 mi1.02 mi3238-523039-413039-415376(Top 19%)4344(Top 27%)4344(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2640

Males

2517

M50-54

2517

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3139

Males

2987

M50-54

2987

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2640

Males

2517

M50-54

2517

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2490

Males

2375

M50-54

2375

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2784

Males

2660

M50-54

2660

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2636

Males

2509

M50-54

2509

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

4049

Males

3725

M50-54

3725

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3953

Males

3621

M50-54

3621

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3260

Males

2998

M50-54

2998

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5558

Males

4746

M50-54

4746

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5613

Males

4738

M50-54

4738

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5095

Males

4314

M50-54

4314

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5080

Males

4251

M50-54

4251

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5197

Males

4218

M50-54

4218

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5376

Males

4344

M50-54

4344

Passing Analysis

Category:
Athletes Passed
851
Passed By
1142
Net Change
-291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2947
5K → 10K95188-93#2947#3040
10K → 15K19427+167#3040#2873
15K → 20K13631+105#2873#2768
20K → Half168+8#2768#2760
Half → 25K9241+51#2760#2709
25K → 30K56255-199#2709#2908
30K → 20M4386-43#2908#2951
20M → 21M5338+15#2951#2936
21M → 35K2367-44#2936#2980
35K → 23M34130-96#2980#3076
23M → 24M2990-61#3076#3137
24M → 40K3059-29#3137#3166
40K → 25.2M2242-20#3166#3186
25.2M → Finish2880-52#3186#3238
TOTALS8511142-291
📊

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