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BOSTON MARATHON 2025

Robert Katrinak

Bib: 19821•M

CT

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
8:09/mi
25:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
51:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:18:20
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:46:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:52:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:15:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:46:01
↑ 181↓ 1480.2%
20M
10:38/mi
3:00:28
↑ 64↓ 500.2%
21M
11:50/mi
3:12:18
↑ 106↓ 241.6%
35K· 21.75 mi
11:56/mi
3:21:14
↑ 17↓ 861.7%
23M
11:52/mi
3:36:06
↑ 23↓ 630.6%
24M
10:36/mi
3:46:42
↓ 821.3%
40K· 24.85 mi
11:03/mi
3:56:09
↓ 200.3%
25.2M
11:13/mi
4:00:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:10:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:58
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:17:52
Pace10:31 /mi
📊Positive Split: 22.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3625:208:0925:20
8:09
-
10K
6.21 mi11:43:3551:198:1625:59
8:22
+0:13
15K
9.32 mi12:10:361:18:208:2427:01
8:42
+0:20
20K
12.43 mi12:39:101:46:548:3628:34
9:12
+0:30
Half
13.11 mi12:45:141:52:588:376:04
8:54
-0:18
25K
15.53 mi13:08:082:15:528:4522:54
9:27
+0:33
30K
18.64 mi13:38:172:46:018:5430:09
9:42
+0:15
20M
20.00 mi13:52:443:00:289:0114:27
10:38
+0:56
21M
21.00 mi14:04:343:12:189:0911:50
11:50
+1:12
35K
21.75 mi14:13:303:21:149:158:56
11:56
+0:06
23M
23.00 mi14:28:223:36:069:2414:52
11:52
-0:04
24M
24.00 mi14:38:583:46:429:2710:36
10:36
-1:16
40K
24.85 mi14:48:253:56:099:309:27
11:03
+0:27
25.2M
25.20 mi14:52:174:00:019:313:52
11:13
+0:10
Finish
26.22 mi15:03:064:10:509:3410:49
10:37
-0:36

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

8:09 /mi

Average Pace

9:34 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:01

66% of race

Time at Steady Pace

49:11

20% of race

Time at Slower Pace

35:38

14% of race

Average Pace: 9:34 /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 mi11:17:3625:208:0925:20
8:09
#17767
10K
6.21 mi11:43:3551:198:1625:59
8:22
#18362
15K
9.32 mi12:10:361:18:208:2427:01
8:42
#19048
20K
12.43 mi12:39:101:46:548:3628:34
9:12
#19869
Half
13.11 mi12:45:141:52:588:376:04
8:54
#19954
25K
15.53 mi13:08:082:15:528:4522:54
9:27
#20338
30K
18.64 mi13:38:172:46:018:5430:09
9:42
#20398
20M
20.00 mi13:52:443:00:289:0114:27
10:38
#20658
21M
21.00 mi14:04:343:12:189:0911:50
11:50
#20920
35K
21.75 mi14:13:303:21:149:158:56
11:56
#21261
23M
23.00 mi14:28:223:36:069:2414:52
11:52
#21604
24M
24.00 mi14:38:583:46:429:2710:36
10:36
#21680
40K
24.85 mi14:48:253:56:099:309:27
11:03
#21750
25.2M
25.20 mi14:52:174:00:019:313:52
11:13
#21738
Finish
26.22 mi15:03:064:10:509:3410:49
10:37
#21835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17767115191151920460(Top 72%)12719(Top 79%)12719(Top 1010%)
10K6.21 mi3.10 mi18362-59511772-25311772-25318955(Top 67%)12047(Top 75%)12047(Top 957%)
15K9.32 mi3.11 mi19048-68612054-28212054-28220460(Top 72%)12719(Top 79%)12719(Top 1010%)
20K12.43 mi3.11 mi19869-82112411-35712411-35721870(Top 77%)13293(Top 83%)13293(Top 1056%)
Half13.11 mi0.68 mi19954-8512448-3712448-3721330(Top 75%)13060(Top 81%)13060(Top 1037%)
25K15.53 mi2.42 mi20338-38412602-15412602-15421677(Top 76%)13152(Top 82%)13152(Top 1045%)
30K18.64 mi3.11 mi20398-6012581+2112581+2120705(Top 73%)12598(Top 78%)12598(Top 1001%)
20M20.00 mi1.36 mi20658-26012682-10112682-10122769(Top 80%)13415(Top 83%)13415(Top 1066%)
21M21.00 mi1.00 mi20920-26212787-10512787-10523270(Top 82%)13570(Top 84%)13570(Top 1078%)
35K21.75 mi0.75 mi21261-34112936-14912936-14925774(Top 91%)14715(Top 91%)14715(Top 1169%)
23M23.00 mi1.25 mi21604-34313057-12113057-12124916(Top 88%)14291(Top 89%)14291(Top 1135%)
24M24.00 mi1.00 mi21680-7613067-1013067-1023067(Top 81%)13338(Top 83%)13338(Top 1059%)
40K24.85 mi0.85 mi21750-7013069-213069-223258(Top 82%)13368(Top 83%)13368(Top 1062%)
25.2M25.20 mi0.35 mi21738+1213057+1213057+1221247(Top 75%)12409(Top 77%)12409(Top 986%)
Finish26.22 mi1.02 mi21835-9713086-2913086-2924525(Top 86%)14041(Top 87%)14041(Top 1115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20460

Males

12719

M60-64

12719

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

18955

Males

12047

M60-64

12047

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20460

Males

12719

M60-64

12719

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21870

Males

13293

M60-64

13293

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21330

Males

13060

M60-64

13060

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21677

Males

13152

M60-64

13152

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20705

Males

12598

M60-64

12598

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22769

Males

13415

M60-64

13415

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23270

Males

13570

M60-64

13570

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25774

Males

14715

M60-64

14715

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24916

Males

14291

M60-64

14291

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23067

Males

13338

M60-64

13338

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23258

Males

13368

M60-64

13368

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21247

Males

12409

M60-64

12409

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24525

Males

14041

M60-64

14041

Passing Analysis

Category:
Athletes Passed
704
Passed By
4772
Net Change
-4068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17767
5K → 10K97692-595#17767#18362
10K → 15K44730-686#18362#19048
15K → 20K46867-821#19048#19869
20K → Half994-85#19869#19954
Half → 25K72456-384#19954#20338
25K → 30K214274-60#20338#20398
30K → 20M44304-260#20398#20658
20M → 21M35297-262#20658#20920
21M → 35K11352-341#20920#21261
35K → 23M30373-343#21261#21604
23M → 24M28104-76#21604#21680
24M → 40K2999-70#21680#21750
40K → 25.2M2715+12#21750#21738
25.2M → Finish18115-97#21738#21835
TOTALS7044772-4068
📊

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