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BOSTON MARATHON 2025

Andrzej Sroczynski

Bib: 31538•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
10:03/mi
31:13
↑ 97↓ 3451.5%
10K· 6.21 mi
10:34/mi
1:04:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:52/mi
1:37:48
↑ 67↓ 78
20K· 12.43 mi
11:19/mi
2:12:57
↑ 106↓ 860.1%
Half· 13.11 mi
10:23/mi
2:20:02
↑ 19↓ 370.5%
25K· 15.53 mi
11:26/mi
2:47:46
↑ 66↓ 880.2%
30K· 18.64 mi
12:40/mi
3:27:08
↑ 181↓ 1480.2%
20M
12:33/mi
3:44:11
↑ 64↓ 500.2%
21M
14:23/mi
3:58:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:59/mi
4:07:32
↑ 17↓ 861.7%
23M
13:29/mi
4:24:25
↑ 23↓ 630.6%
24M
13:04/mi
4:37:29
↓ 821.3%
40K· 24.85 mi
14:57/mi
4:50:16
↓ 200.3%
25.2M
14:42/mi
4:55:20
↑ 13↓ 160.2%
Finish· 26.22 mi
12:49/mi
5:08:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:02
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time2:48:22
Pace12:51 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3531:1310:0331:13
10:03
-
10K
6.21 mi12:25:251:04:0310:1832:50
10:34
+0:31
15K
9.32 mi12:59:101:37:4810:3033:45
10:52
+0:18
20K
12.43 mi13:34:192:12:5710:4235:09
11:19
+0:27
Half
13.11 mi13:41:242:20:0210:417:05
10:23
-0:56
25K
15.53 mi14:09:082:47:4610:4827:44
11:26
+1:03
30K
18.64 mi14:48:303:27:0811:0739:22
12:40
+1:14
20M
20.00 mi15:05:333:44:1111:1317:03
12:33
-0:07
21M
21.00 mi15:19:563:58:3411:2214:23
14:23
+1:50
35K
21.75 mi15:28:544:07:3211:238:58
11:59
-2:24
23M
23.00 mi15:45:474:24:2511:3016:53
13:29
+1:30
24M
24.00 mi15:58:514:37:2911:3413:04
13:04
-0:25
40K
24.85 mi16:11:384:50:1611:4112:47
14:57
+1:53
25.2M
25.20 mi16:16:424:55:2011:435:04
14:42
-0:15
Finish
26.22 mi16:29:465:08:2411:4613:04
12:49
-1:53

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

10:03 /mi

Average Pace

11:46 /mi

Slowest Pace

14:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:46

54% of race

Time at Steady Pace

1:31:31

30% of race

Time at Slower Pace

49:07

16% of race

Average Pace: 11:46 /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 mi11:52:3531:1310:0331:13
10:03
#25697
10K
6.21 mi12:25:251:04:0310:1832:50
10:34
#26100
15K
9.32 mi12:59:101:37:4810:3033:45
10:52
#26270
20K
12.43 mi13:34:192:12:5710:4235:09
11:19
#26314
Half
13.11 mi13:41:242:20:0210:417:05
10:23
#26289
25K
15.53 mi14:09:082:47:4610:4827:44
11:26
#26197
30K
18.64 mi14:48:303:27:0811:0739:22
12:40
#26245
20M
20.00 mi15:05:333:44:1111:1317:03
12:33
#26227
21M
21.00 mi15:19:563:58:3411:2214:23
14:23
#26286
35K
21.75 mi15:28:544:07:3211:238:58
11:59
#26273
23M
23.00 mi15:45:474:24:2511:3016:53
13:29
#26336
24M
24.00 mi15:58:514:37:2911:3413:04
13:04
#26377
40K
24.85 mi16:11:384:50:1611:4112:47
14:57
#26495
25.2M
25.20 mi16:16:424:55:2011:435:04
14:42
#26510
Finish
26.22 mi16:29:465:08:2411:4613:04
12:49
#26567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi25697150481504826501(Top 93%)15365(Top 95%)15365(Top 1220%)
10K6.21 mi3.10 mi26100-40315209-16115209-16126392(Top 93%)15316(Top 95%)15316(Top 1217%)
15K9.32 mi3.11 mi26270-17015275-6615275-6626501(Top 93%)15365(Top 95%)15365(Top 1220%)
20K12.43 mi3.11 mi26314-4415293-1815293-1826405(Top 93%)15299(Top 95%)15299(Top 1215%)
Half13.11 mi0.68 mi26289+2515285+815285+825602(Top 90%)14940(Top 93%)14940(Top 1187%)
25K15.53 mi2.42 mi26197+9215239+4615239+4625784(Top 91%)14977(Top 93%)14977(Top 1190%)
30K18.64 mi3.11 mi26245-4815223+1615223+1626344(Top 93%)15132(Top 94%)15132(Top 1202%)
20M20.00 mi1.36 mi26227+1815195+2815195+2825959(Top 91%)14898(Top 93%)14898(Top 1183%)
21M21.00 mi1.00 mi26286-5915207-1215207-1226600(Top 94%)15166(Top 94%)15166(Top 1205%)
35K21.75 mi0.75 mi26273+1315196+1115196+1125842(Top 91%)14754(Top 92%)14754(Top 1172%)
23M23.00 mi1.25 mi26336-6315213-1715213-1726872(Top 95%)15267(Top 95%)15267(Top 1213%)
24M24.00 mi1.00 mi26377-4115227-1415227-1426932(Top 95%)15263(Top 95%)15263(Top 1212%)
40K24.85 mi0.85 mi26495-11815273-4615273-4627742(Top 98%)15685(Top 97%)15685(Top 1246%)
25.2M25.20 mi0.35 mi26510-1515279-615279-626900(Top 95%)15220(Top 95%)15220(Top 1209%)
Finish26.22 mi1.02 mi26567-5715298-1915298-1927514(Top 97%)15571(Top 97%)15571(Top 1237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26501

Males

15365

M60-64

15365

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26392

Males

15316

M60-64

15316

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26501

Males

15365

M60-64

15365

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26405

Males

15299

M60-64

15299

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25602

Males

14940

M60-64

14940

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25784

Males

14977

M60-64

14977

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26344

Males

15132

M60-64

15132

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25959

Males

14898

M60-64

14898

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26600

Males

15166

M60-64

15166

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25842

Males

14754

M60-64

14754

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26872

Males

15267

M60-64

15267

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26932

Males

15263

M60-64

15263

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27742

Males

15685

M60-64

15685

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26900

Males

15220

M60-64

15220

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27514

Males

15571

M60-64

15571

Passing Analysis

Category:
Athletes Passed
671
Passed By
1541
Net Change
-870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25697
5K → 10K71474-403#25697#26100
10K → 15K79249-170#26100#26270
15K → 20K112156-44#26270#26314
20K → Half327+25#26314#26289
Half → 25K13442+92#26289#26197
25K → 30K81129-48#26197#26245
30K → 20M5941+18#26245#26227
20M → 21M2382-59#26227#26286
21M → 35K2613+13#26286#26273
35K → 23M2083-63#26273#26336
23M → 24M1455-41#26336#26377
24M → 40K4122-118#26377#26495
40K → 25.2M924-15#26495#26510
25.2M → Finish764-57#26510#26567
TOTALS6711541-870
📊

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