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BOSTON MARATHON 2025

Ryan Blaszczak

Bib: 26995•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
10:12/mi
31:42
↑ 97↓ 3451.5%
10K· 6.21 mi
10:38/mi
1:04:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:33/mi
1:37:33
↑ 67↓ 78
20K· 12.43 mi
12:49/mi
2:17:23
↑ 106↓ 860.1%
Half· 13.11 mi
12:23/mi
2:25:50
↑ 19↓ 370.5%
25K· 15.53 mi
13:59/mi
2:59:44
↑ 66↓ 880.2%
30K· 18.64 mi
14:50/mi
3:45:49
↑ 181↓ 1480.2%
20M
15:35/mi
4:07:00
↑ 64↓ 500.2%
21M
19:08/mi
4:26:08
↑ 106↓ 241.6%
35K· 21.75 mi
15:09/mi
4:37:28
↑ 17↓ 861.7%
23M
16:41/mi
4:58:21
↑ 23↓ 630.6%
24M
16:26/mi
5:14:47
↓ 821.3%
40K· 24.85 mi
16:20/mi
5:28:45
↓ 200.3%
25.2M
16:03/mi
5:34:17
↑ 13↓ 160.2%
Finish· 26.22 mi
13:49/mi
5:48:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:50
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time3:22:32
Pace15:27 /mi
📊Positive Split: 38.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1131:4210:1231:42
10:12
-
10K
6.21 mi12:30:141:04:4510:2533:03
10:38
+0:26
15K
9.32 mi13:03:021:37:3310:2832:48
10:33
-0:05
20K
12.43 mi13:42:522:17:2311:0339:50
12:49
+2:16
Half
13.11 mi13:51:192:25:5011:078:27
12:23
-0:26
25K
15.53 mi14:25:132:59:4411:3433:54
13:59
+1:36
30K
18.64 mi15:11:183:45:4912:0746:05
14:50
+0:51
20M
20.00 mi15:32:294:07:0012:2121:11
15:35
+0:45
21M
21.00 mi15:51:374:26:0812:4019:08
19:08
+3:33
35K
21.75 mi16:02:574:37:2812:4511:20
15:09
-3:59
23M
23.00 mi16:23:504:58:2112:5820:53
16:41
+1:32
24M
24.00 mi16:40:165:14:4713:0716:26
16:26
-0:15
40K
24.85 mi16:54:145:28:4513:1413:58
16:20
-0:06
25.2M
25.20 mi16:59:465:34:1713:165:32
16:03
-0:17
Finish
26.22 mi17:13:515:48:2213:1814:05
13:49
-2:14

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

10:12 /mi

Average Pace

13:18 /mi

Slowest Pace

19:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:50

42% of race

Time at Steady Pace

2:12:07

38% of race

Time at Slower Pace

1:10:25

20% of race

Average Pace: 13:17 /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 mi11:57:1131:4210:1231:42
10:12
#26066
10K
6.21 mi12:30:141:04:4510:2533:03
10:38
#26342
15K
9.32 mi13:03:021:37:3310:2832:48
10:33
#26217
20K
12.43 mi13:42:522:17:2311:0339:50
12:49
#26862
Half
13.11 mi13:51:192:25:5011:078:27
12:23
#26933
25K
15.53 mi14:25:132:59:4411:3433:54
13:59
#27177
30K
18.64 mi15:11:183:45:4912:0746:05
14:50
#27409
20M
20.00 mi15:32:294:07:0012:2121:11
15:35
#27499
21M
21.00 mi15:51:374:26:0812:4019:08
19:08
#27648
35K
21.75 mi16:02:574:37:2812:4511:20
15:09
#27695
23M
23.00 mi16:23:504:58:2112:5820:53
16:41
#27807
24M
24.00 mi16:40:165:14:4713:0716:26
16:26
#27890
40K
24.85 mi16:54:145:28:4513:1413:58
16:20
#27945
25.2M
25.20 mi16:59:465:34:1713:165:32
16:03
#27947
Finish
26.22 mi17:13:515:48:2213:1814:05
13:49
#27965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi26066152051520526031(Top 92%)15161(Top 94%)15161(Top 675%)
10K6.21 mi3.10 mi26342-27615317-11215317-11226505(Top 93%)15365(Top 95%)15365(Top 684%)
15K9.32 mi3.11 mi26217+12515254+6315254+6326031(Top 92%)15161(Top 94%)15161(Top 675%)
20K12.43 mi3.11 mi26862-64515516-26215516-26227719(Top 98%)15827(Top 98%)15827(Top 704%)
Half13.11 mi0.68 mi26933-7115532-1615532-1627708(Top 98%)15812(Top 98%)15812(Top 704%)
25K15.53 mi2.42 mi27177-24415626-9415626-9427874(Top 98%)15867(Top 99%)15867(Top 706%)
30K18.64 mi3.11 mi27409-23215692-6615692-6627962(Top 98%)15859(Top 98%)15859(Top 706%)
20M20.00 mi1.36 mi27499-9015718-2615718-2628065(Top 99%)15908(Top 99%)15908(Top 708%)
21M21.00 mi1.00 mi27648-14915781-6315781-6328350(Top 100%)16074(Top 100%)16074(Top 715%)
35K21.75 mi0.75 mi27695-4715800-1915800-1928102(Top 99%)15916(Top 99%)15916(Top 708%)
23M23.00 mi1.25 mi27807-11215843-4315843-4328244(Top 99%)15999(Top 99%)15999(Top 712%)
24M24.00 mi1.00 mi27890-8315867-2415867-2428270(Top 100%)16010(Top 99%)16010(Top 713%)
40K24.85 mi0.85 mi27945-5515894-2715894-2728159(Top 99%)15936(Top 99%)15936(Top 709%)
25.2M25.20 mi0.35 mi27947-215895-115895-127742(Top 98%)15675(Top 97%)15675(Top 698%)
Finish26.22 mi1.02 mi27965-1815898-315898-327982(Top 99%)15828(Top 98%)15828(Top 704%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26031

Males

15161

M40-44

15161

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26505

Males

15365

M40-44

15365

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26031

Males

15161

M40-44

15161

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27719

Males

15827

M40-44

15827

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27708

Males

15812

M40-44

15812

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27874

Males

15867

M40-44

15867

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27962

Males

15859

M40-44

15859

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28065

Males

15908

M40-44

15908

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

28350

Males

16074

M40-44

16074

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28102

Males

15916

M40-44

15916

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28244

Males

15999

M40-44

15999

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28270

Males

16010

M40-44

16010

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28159

Males

15936

M40-44

15936

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27742

Males

15675

M40-44

15675

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

27982

Males

15828

M40-44

15828

Passing Analysis

Category:
Athletes Passed
364
Passed By
2263
Net Change
-1899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26066
5K → 10K82358-276#26066#26342
10K → 15K19267+125#26342#26217
15K → 20K12657-645#26217#26862
20K → Half879-71#26862#26933
Half → 25K13257-244#26933#27177
25K → 30K26258-232#27177#27409
30K → 20M898-90#27409#27499
20M → 21M1150-149#27499#27648
21M → 35K249-47#27648#27695
35K → 23M5117-112#27695#27807
23M → 24M487-83#27807#27890
24M → 40K156-55#27890#27945
40K → 25.2M35-2#27945#27947
25.2M → Finish725-18#27947#27965
TOTALS3642263-1899
📊

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