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BOSTON MARATHON 2025

Jan Borck

Bib: 21294•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
Top 49%
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:20:40
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:47:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:52:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:13:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:41:35
↑ 181↓ 1480.2%
20M
8:54/mi
2:53:41
↑ 64↓ 500.2%
21M
9:21/mi
3:03:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:09:20
↑ 17↓ 861.7%
23M
9:06/mi
3:20:44
↑ 23↓ 630.6%
24M
8:45/mi
3:29:29
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:37:26
↓ 200.3%
25.2M
10:09/mi
3:40:56
↑ 13↓ 160.2%
Finish· 26.22 mi
9:16/mi
3:50:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:36
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:57:47
Pace8:59 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3026:558:4026:55
8:40
-
10K
6.21 mi11:46:3854:038:4227:08
8:44
+0:04
15K
9.32 mi12:13:151:20:408:3926:37
8:34
-0:10
20K
12.43 mi12:39:351:47:008:3726:20
8:29
-0:05
Half
13.11 mi12:45:111:52:368:355:36
8:12
-0:17
25K
15.53 mi13:06:152:13:408:3621:04
8:41
+0:29
30K
18.64 mi13:34:102:41:358:4027:55
8:59
+0:18
20M
20.00 mi13:46:162:53:418:4112:06
8:54
-0:05
21M
21.00 mi13:55:373:03:028:439:21
9:21
+0:27
35K
21.75 mi14:01:553:09:208:426:18
8:25
-0:56
23M
23.00 mi14:13:193:20:448:4411:24
9:06
+0:41
24M
24.00 mi14:22:043:29:298:448:45
8:45
-0:21
40K
24.85 mi14:30:013:37:268:457:57
9:18
+0:33
25.2M
25.20 mi14:33:313:40:568:463:30
10:09
+0:51
Finish
26.22 mi14:42:583:50:238:489:27
9:16
-0:53

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

8:12 /mi

Average Pace

8:48 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:14

17% of race

Time at Steady Pace

2:02:35

53% of race

Time at Slower Pace

1:09:34

30% of race

Average Pace: 8:47 /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 mi11:19:3026:558:4026:55
8:40
#20816
10K
6.21 mi11:46:3854:038:4227:08
8:44
#20901
15K
9.32 mi12:13:151:20:408:3926:37
8:34
#20504
20K
12.43 mi12:39:351:47:008:3726:20
8:29
#19916
Half
13.11 mi12:45:111:52:368:355:36
8:12
#19810
25K
15.53 mi13:06:152:13:408:3621:04
8:41
#19542
30K
18.64 mi13:34:102:41:358:4027:55
8:59
#19153
20M
20.00 mi13:46:162:53:418:4112:06
8:54
#18928
21M
21.00 mi13:55:373:03:028:439:21
9:21
#18704
35K
21.75 mi14:01:553:09:208:426:18
8:25
#18584
23M
23.00 mi14:13:193:20:448:4411:24
9:06
#18441
24M
24.00 mi14:22:043:29:298:448:45
8:45
#18310
40K
24.85 mi14:30:013:37:268:457:57
9:18
#18306
25.2M
25.20 mi14:33:313:40:568:463:30
10:09
#18291
Finish
26.22 mi14:42:583:50:238:489:27
9:16
#18403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20816127761277619729(Top 69%)12382(Top 77%)12382(Top 983%)
10K6.21 mi3.10 mi20901-8512842-6612842-6621064(Top 74%)12951(Top 80%)12951(Top 1029%)
15K9.32 mi3.11 mi20504+39712692+15012692+15019729(Top 69%)12382(Top 77%)12382(Top 983%)
20K12.43 mi3.11 mi19916+58812432+26012432+26018053(Top 64%)11629(Top 72%)11629(Top 924%)
Half13.11 mi0.68 mi19810+10612387+4512387+4517298(Top 61%)11325(Top 70%)11325(Top 900%)
25K15.53 mi2.42 mi19542+26812265+12212265+12218315(Top 64%)11664(Top 72%)11664(Top 926%)
30K18.64 mi3.11 mi19153+38912052+21312052+21317610(Top 62%)11200(Top 70%)11200(Top 890%)
20M20.00 mi1.36 mi18928+22511940+11211940+11216255(Top 57%)10472(Top 65%)10472(Top 832%)
21M21.00 mi1.00 mi18704+22411811+12911811+12915399(Top 54%)9971(Top 62%)9971(Top 792%)
35K21.75 mi0.75 mi18584+12011748+6311748+6314990(Top 53%)9739(Top 60%)9739(Top 774%)
23M23.00 mi1.25 mi18441+14311662+8611662+8616832(Top 59%)10444(Top 65%)10444(Top 830%)
24M24.00 mi1.00 mi18310+13111569+9311569+9316011(Top 56%)10041(Top 62%)10041(Top 798%)
40K24.85 mi0.85 mi18306+411540+2911540+2917832(Top 63%)10737(Top 67%)10737(Top 853%)
25.2M25.20 mi0.35 mi18291+1511521+1911521+1917648(Top 62%)10671(Top 66%)10671(Top 848%)
Finish26.22 mi1.02 mi18403-11211548-2711548-2720251(Top 71%)11925(Top 74%)11925(Top 947%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19729

Males

12382

M60-64

12382

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21064

Males

12951

M60-64

12951

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19729

Males

12382

M60-64

12382

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18053

Males

11629

M60-64

11629

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17298

Males

11325

M60-64

11325

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18315

Males

11664

M60-64

11664

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17610

Males

11200

M60-64

11200

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16255

Males

10472

M60-64

10472

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15399

Males

9971

M60-64

9971

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14990

Males

9739

M60-64

9739

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16832

Males

10444

M60-64

10444

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

16011

Males

10041

M60-64

10041

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17832

Males

10737

M60-64

10737

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17648

Males

10671

M60-64

10671

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20251

Males

11925

M60-64

11925

Passing Analysis

Category:
Athletes Passed
3190
Passed By
777
Net Change
+2413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20816
5K → 10K238323-85#20816#20901
10K → 15K45053+397#20901#20504
15K → 20K60012+588#20504#19916
20K → Half1082+106#19916#19810
Half → 25K29931+268#19810#19542
25K → 30K44657+389#19542#19153
30K → 20M23712+225#19153#18928
20M → 21M23814+224#18928#18704
21M → 35K1266+120#18704#18584
35K → 23M17532+143#18584#18441
23M → 24M14413+131#18441#18310
24M → 40K7066+4#18310#18306
40K → 25.2M3722+15#18306#18291
25.2M → Finish22134-112#18291#18403
TOTALS3190777+2413
📊

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