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BOSTON MARATHON 2025

Jim Janezic

Bib: 24434•M

WI

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
Top 39%
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:15:53
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:41:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:47:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:09:17
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:39:04
↑ 181↓ 1480.2%
20M
10:09/mi
2:52:52
↑ 64↓ 500.2%
21M
12:09/mi
3:05:01
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:11:57
↑ 17↓ 861.7%
23M
9:53/mi
3:24:20
↑ 23↓ 630.6%
24M
9:42/mi
3:34:02
↓ 821.3%
40K· 24.85 mi
10:54/mi
3:43:21
↓ 200.3%
25.2M
11:24/mi
3:47:17
↑ 13↓ 160.2%
Finish· 26.22 mi
10:58/mi
3:58:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:33
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:10:55
Pace9:59 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0125:258:1125:25
8:11
-
10K
6.21 mi11:49:1550:398:0925:14
8:07
-0:04
15K
9.32 mi12:14:291:15:538:0825:14
8:07
0:00
20K
12.43 mi12:40:251:41:498:1225:56
8:21
+0:14
Half
13.11 mi12:46:091:47:338:125:44
8:24
+0:03
25K
15.53 mi13:07:532:09:178:1921:44
8:58
+0:34
30K
18.64 mi13:37:402:39:048:3229:47
9:35
+0:37
20M
20.00 mi13:51:282:52:528:3913:48
10:09
+0:34
21M
21.00 mi14:03:373:05:018:4912:09
12:09
+2:00
35K
21.75 mi14:10:333:11:578:506:56
9:16
-2:53
23M
23.00 mi14:22:563:24:208:5312:23
9:53
+0:37
24M
24.00 mi14:32:383:34:028:559:42
9:42
-0:11
40K
24.85 mi14:41:573:43:218:599:19
10:54
+1:12
25.2M
25.20 mi14:45:533:47:179:013:56
11:24
+0:30
Finish
26.22 mi14:57:043:58:289:0611:11
10:58
-0:26

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

8:07 /mi

Average Pace

9:06 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:33

45% of race

Time at Steady Pace

1:34:20

40% of race

Time at Slower Pace

36:35

15% of race

Average Pace: 9:06 /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 mi11:24:0125:258:1125:25
8:11
#17972
10K
6.21 mi11:49:1550:398:0925:14
8:07
#17635
15K
9.32 mi12:14:291:15:538:0825:14
8:07
#17362
20K
12.43 mi12:40:251:41:498:1225:56
8:21
#17297
Half
13.11 mi12:46:091:47:338:125:44
8:24
#17349
25K
15.53 mi13:07:532:09:178:1921:44
8:58
#17728
30K
18.64 mi13:37:402:39:048:3229:47
9:35
#18341
20M
20.00 mi13:51:282:52:528:3913:48
10:09
#18681
21M
21.00 mi14:03:373:05:018:4912:09
12:09
#19233
35K
21.75 mi14:10:333:11:578:506:56
9:16
#19254
23M
23.00 mi14:22:563:24:208:5312:23
9:53
#19328
24M
24.00 mi14:32:383:34:028:559:42
9:42
#19391
40K
24.85 mi14:41:573:43:218:599:19
10:54
#19603
25.2M
25.20 mi14:45:533:47:179:013:56
11:24
#19663
Finish
26.22 mi14:57:043:58:289:0611:11
10:58
#20041
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17972115861158616875(Top 59%)11165(Top 69%)11165(Top 1747%)
10K6.21 mi3.10 mi17635+33711466+12011466+12017344(Top 61%)11383(Top 71%)11383(Top 1781%)
15K9.32 mi3.11 mi17362+27311380+8611380+8616875(Top 59%)11165(Top 69%)11165(Top 1747%)
20K12.43 mi3.11 mi17297+6511330+5011330+5017191(Top 61%)11257(Top 70%)11257(Top 1762%)
Half13.11 mi0.68 mi17349-5211346-1611346-1618560(Top 65%)11834(Top 73%)11834(Top 1852%)
25K15.53 mi2.42 mi17728-37911484-13811484-13819729(Top 69%)12289(Top 76%)12289(Top 1923%)
30K18.64 mi3.11 mi18341-61311714-23011714-23020284(Top 71%)12413(Top 77%)12413(Top 1943%)
20M20.00 mi1.36 mi18681-34011837-12311837-12321430(Top 75%)12778(Top 79%)12778(Top 2000%)
21M21.00 mi1.00 mi19233-55212046-20912046-20923836(Top 84%)13833(Top 86%)13833(Top 2165%)
35K21.75 mi0.75 mi19254-2112037+912037+919407(Top 68%)11677(Top 73%)11677(Top 1827%)
23M23.00 mi1.25 mi19328-7412035+212035+220102(Top 71%)11941(Top 74%)11941(Top 1869%)
24M24.00 mi1.00 mi19391-6312032+312032+320348(Top 72%)12024(Top 75%)12024(Top 1882%)
40K24.85 mi0.85 mi19603-21212108-7612108-7622880(Top 81%)13177(Top 82%)13177(Top 2062%)
25.2M25.20 mi0.35 mi19663-6012120-1212120-1221741(Top 77%)12639(Top 78%)12639(Top 1978%)
Finish26.22 mi1.02 mi20041-37812281-16112281-16125307(Top 89%)14434(Top 90%)14434(Top 2259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16875

Males

11165

M65-69

11165

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17344

Males

11383

M65-69

11383

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16875

Males

11165

M65-69

11165

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17191

Males

11257

M65-69

11257

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18560

Males

11834

M65-69

11834

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19729

Males

12289

M65-69

12289

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20284

Males

12413

M65-69

12413

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21430

Males

12778

M65-69

12778

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23836

Males

13833

M65-69

13833

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19407

Males

11677

M65-69

11677

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20102

Males

11941

M65-69

11941

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20348

Males

12024

M65-69

12024

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22880

Males

13177

M65-69

13177

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21741

Males

12639

M65-69

12639

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25307

Males

14434

M65-69

14434

Passing Analysis

Category:
Athletes Passed
1506
Passed By
3575
Net Change
-2069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17972
5K → 10K474137+337#17972#17635
10K → 15K35986+273#17635#17362
15K → 20K212147+65#17362#17297
20K → Half1668-52#17297#17349
Half → 25K94473-379#17349#17728
25K → 30K86699-613#17728#18341
30K → 20M36376-340#18341#18681
20M → 21M13565-552#18681#19233
21M → 35K4667-21#19233#19254
35K → 23M77151-74#19254#19328
23M → 24M51114-63#19328#19391
24M → 40K17229-212#19391#19603
40K → 25.2M1979-60#19603#19663
25.2M → Finish6384-378#19663#20041
TOTALS15063575-2069
📊

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