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BOSTON MARATHON 2025

Jeff Janssen

Bib: 21701•M

MN

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 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:22
Rank: #17849
Start → 5K
25:22 | 8:10/mi
10K· 6.21 mi
51:09
Rank: #18186 (-337)
5K → 10K
25:47 | 8:18/mi
15K· 9.32 mi
1:16:55
Rank: #18117 (+69)
10K → 15K
25:46 | 8:18/mi
20K· 12.43 mi
1:44:52
Rank: #18891 (-774)
15K → 20K
27:57 | 9:00/mi
Half· 13.11 mi
1:50:40
Rank: #18897 (-6)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:11:40
Rank: #18763 (+134)
Half → 25K
21:00 | 8:40/mi
30K· 18.64 mi
2:39:48
Rank: #18589 (+174)
25K → 30K
28:08 | 9:03/mi
20M
2:51:56
Rank: #18410 (+179)
30K → 20M
12:08 | 8:56/mi
21M
3:02:23
Rank: #18519 (-109)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:08:48
Rank: #18422 (+97)
21M → 35K
6:25 | 8:35/mi
23M
3:19:40
Rank: #18174 (+248)
35K → 23M
10:52 | 8:41/mi
24M
3:28:20
Rank: #18025 (+149)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:35:39
Rank: #17862 (+163)
24M → 40K
7:19 | 8:33/mi
25.2M
3:38:46
Rank: #17758 (+104)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:47:05
Rank: #17618 (+140)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:40
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:56:25
Pace8:53 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2225:228:1025:22
8:10
-
10K
6.21 mi11:46:0951:098:1425:47
8:18
+0:08
15K
9.32 mi12:11:551:16:558:1525:46
8:18
0:00
20K
12.43 mi12:39:521:44:528:2627:57
9:00
+0:42
Half
13.11 mi12:45:401:50:408:265:48
8:30
-0:30
25K
15.53 mi13:06:402:11:408:2921:00
8:40
+0:10
30K
18.64 mi13:34:482:39:488:3428:08
9:03
+0:23
20M
20.00 mi13:46:562:51:568:3612:08
8:56
-0:07
21M
21.00 mi13:57:233:02:238:4110:27
10:27
+1:31
35K
21.75 mi14:03:483:08:488:416:25
8:35
-1:52
23M
23.00 mi14:14:403:19:408:4110:52
8:41
+0:06
24M
24.00 mi14:23:203:28:208:418:40
8:40
-0:01
40K
24.85 mi14:30:393:35:398:417:19
8:33
-0:07
25.2M
25.20 mi14:33:463:38:468:413:07
9:02
+0:29
Finish
26.22 mi14:42:053:47:058:408:19
8:10
-0:52

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

8:10 /mi

Average Pace

8:40 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:14

38% of race

Time at Steady Pace

1:12:12

32% of race

Time at Slower Pace

1:09:39

31% of race

Average Pace: 8:40 /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 mi11:20:2225:228:1025:22
8:10
#17849
10K
6.21 mi11:46:0951:098:1425:47
8:18
#18186
15K
9.32 mi12:11:551:16:558:1525:46
8:18
#18117
20K
12.43 mi12:39:521:44:528:2627:57
9:00
#18891
Half
13.11 mi12:45:401:50:408:265:48
8:30
#18897
25K
15.53 mi13:06:402:11:408:2921:00
8:40
#18763
30K
18.64 mi13:34:482:39:488:3428:08
9:03
#18589
20M
20.00 mi13:46:562:51:568:3612:08
8:56
#18410
21M
21.00 mi13:57:233:02:238:4110:27
10:27
#18519
35K
21.75 mi14:03:483:08:488:416:25
8:35
#18422
23M
23.00 mi14:14:403:19:408:4110:52
8:41
#18174
24M
24.00 mi14:23:203:28:208:418:40
8:40
#18025
40K
24.85 mi14:30:393:35:398:417:19
8:33
#17862
25.2M
25.20 mi14:33:463:38:468:413:07
9:02
#17758
Finish
26.22 mi14:42:053:47:058:408:19
8:10
#17618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17849115471154717995(Top 63%)11628(Top 72%)11628(Top 924%)
10K6.21 mi3.10 mi18186-33711691-14411691-14418533(Top 65%)11861(Top 74%)11861(Top 942%)
15K9.32 mi3.11 mi18117+6911666+2511666+2517995(Top 63%)11628(Top 72%)11628(Top 924%)
20K12.43 mi3.11 mi18891-77411998-33211998-33220938(Top 74%)12861(Top 80%)12861(Top 1022%)
Half13.11 mi0.68 mi18897-611997+111997+119148(Top 67%)12096(Top 75%)12096(Top 961%)
25K15.53 mi2.42 mi18763+13411928+6911928+6918144(Top 64%)11589(Top 72%)11589(Top 920%)
30K18.64 mi3.11 mi18589+17411824+10411824+10417949(Top 63%)11351(Top 70%)11351(Top 902%)
20M20.00 mi1.36 mi18410+17911711+11311711+11316400(Top 58%)10535(Top 65%)10535(Top 837%)
21M21.00 mi1.00 mi18519-10911733-2211733-2219829(Top 70%)11962(Top 74%)11962(Top 950%)
35K21.75 mi0.75 mi18422+9711678+5511678+5515925(Top 56%)10152(Top 63%)10152(Top 806%)
23M23.00 mi1.25 mi18174+24811536+14211536+14214416(Top 51%)9366(Top 58%)9366(Top 744%)
24M24.00 mi1.00 mi18025+14911444+9211444+9215532(Top 55%)9835(Top 61%)9835(Top 781%)
40K24.85 mi0.85 mi17862+16311344+10011344+10013784(Top 49%)8909(Top 55%)8909(Top 708%)
25.2M25.20 mi0.35 mi17758+10411283+6111283+6112010(Top 42%)8021(Top 50%)8021(Top 637%)
Finish26.22 mi1.02 mi17618+14011198+8511198+8514007(Top 49%)9027(Top 56%)9027(Top 717%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17995

Males

11628

M60-64

11628

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18533

Males

11861

M60-64

11861

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17995

Males

11628

M60-64

11628

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20938

Males

12861

M60-64

12861

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19148

Males

12096

M60-64

12096

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18144

Males

11589

M60-64

11589

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17949

Males

11351

M60-64

11351

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16400

Males

10535

M60-64

10535

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19829

Males

11962

M60-64

11962

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15925

Males

10152

M60-64

10152

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14416

Males

9366

M60-64

9366

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15532

Males

9835

M60-64

9835

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13784

Males

8909

M60-64

8909

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

12010

Males

8021

M60-64

8021

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14007

Males

9027

M60-64

9027

Passing Analysis

Category:
Athletes Passed
2236
Passed By
2005
Net Change
+231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17849
5K → 10K161498-337#17849#18186
10K → 15K217148+69#18186#18117
15K → 20K55829-774#18117#18891
20K → Half2935-6#18891#18897
Half → 25K22490+134#18897#18763
25K → 30K328154+174#18763#18589
30K → 20M20425+179#18589#18410
20M → 21M73182-109#18410#18519
21M → 35K10811+97#18519#18422
35K → 23M2557+248#18422#18174
23M → 24M1578+149#18174#18025
24M → 40K1696+163#18025#17862
40K → 25.2M1051+104#17862#17758
25.2M → Finish15111+140#17758#17618
TOTALS22362005+231
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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