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BOSTON MARATHON 2025

Stefan Isenmann

Bib: 9925•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M60-64)
#0 / 1259
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:21
Rank: #15131
Start → 5K
7:50/mi
24:21 split
10K· 6.21 mi
48:25
Rank: #14704 (+427)
5K → 10K
7:45/mi
24:04 split
15K· 9.32 mi
1:12:11
Rank: #14144 (+560)
10K → 15K
7:39/mi
23:46 split
20K· 12.43 mi
1:36:23
Rank: #13858 (+286)
15K → 20K
7:47/mi
24:12 split
Half· 13.11 mi
1:41:38
Rank: #13813 (+45)
20K → Half
7:42/mi
5:15 split
25K· 15.53 mi
2:00:40
Rank: #13601 (+212)
Half → 25K
7:51/mi
19:02 split
30K· 18.64 mi
2:26:02
Rank: #13368 (+233)
25K → 30K
8:10/mi
25:22 split
20M
2:37:12
Rank: #13208 (+160)
30K → 20M
8:13/mi
11:10 split
21M
2:45:53
Rank: #13083 (+125)
20M → 21M
8:41/mi
8:41 split
35K· 21.75 mi
2:51:37
Rank: #12945 (+138)
21M → 35K
7:40/mi
5:44 split
23M
3:01:42
Rank: #12758 (+187)
35K → 23M
8:03/mi
10:05 split
24M
3:09:38
Rank: #12652 (+106)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:16:34
Rank: #12558 (+94)
24M → 40K
8:07/mi
6:56 split
25.2M
3:19:40
Rank: #12527 (+31)
40K → 25.2M
8:59/mi
3:06 split
Finish· 26.22 mi
3:27:47
Rank: #12520 (+7)
25.2M → Finish
7:58/mi
8:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:38
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:09
Pace8:06 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2824:217:5024:21
7:50
-
10K
6.21 mi11:20:3248:257:4824:04
7:45
-0:05
15K
9.32 mi11:44:181:12:117:4523:46
7:39
-0:06
20K
12.43 mi12:08:301:36:237:4524:12
7:47
+0:08
Half
13.11 mi12:13:451:41:387:455:15
7:42
-0:05
25K
15.53 mi12:32:472:00:407:4619:02
7:51
+0:09
30K
18.64 mi12:58:092:26:027:5025:22
8:10
+0:19
20M
20.00 mi13:09:192:37:127:5211:10
8:13
+0:03
21M
21.00 mi13:18:002:45:537:548:41
8:41
+0:28
35K
21.75 mi13:23:442:51:377:535:44
7:40
-1:01
23M
23.00 mi13:33:493:01:427:5410:05
8:03
+0:23
24M
24.00 mi13:41:453:09:387:547:56
7:56
-0:07
40K
24.85 mi13:48:413:16:347:556:56
8:07
+0:11
25.2M
25.20 mi13:51:473:19:407:553:06
8:59
+0:52
Finish
26.22 mi13:59:543:27:477:568:07
7:58
-1:01

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

7:39 /mi

Average Pace

7:56 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:00

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi10:56:2824:217:5024:21
7:50
#15131
10K
6.21 mi11:20:3248:257:4824:04
7:45
#14704
15K
9.32 mi11:44:181:12:117:4523:46
7:39
#14144
20K
12.43 mi12:08:301:36:237:4524:12
7:47
#13858
Half
13.11 mi12:13:451:41:387:455:15
7:42
#13813
25K
15.53 mi12:32:472:00:407:4619:02
7:51
#13601
30K
18.64 mi12:58:092:26:027:5025:22
8:10
#13368
20M
20.00 mi13:09:192:37:127:5211:10
8:13
#13208
21M
21.00 mi13:18:002:45:537:548:41
8:41
#13083
35K
21.75 mi13:23:442:51:377:535:44
7:40
#12945
23M
23.00 mi13:33:493:01:427:5410:05
8:03
#12758
24M
24.00 mi13:41:453:09:387:547:56
7:56
#12652
40K
24.85 mi13:48:413:16:347:556:56
8:07
#12558
25.2M
25.20 mi13:51:473:19:407:553:06
8:59
#12527
Finish
26.22 mi13:59:543:27:477:568:07
7:58
#12520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15131104721047213032(Top 46%)9531(Top 59%)9531(Top 757%)
10K6.21 mi3.10 mi14704+42710290+18210290+18214284(Top 50%)10118(Top 63%)10118(Top 804%)
15K9.32 mi3.11 mi14144+56010045+24510045+24513032(Top 46%)9531(Top 59%)9531(Top 757%)
20K12.43 mi3.11 mi13858+2869886+1599886+15913176(Top 46%)9498(Top 59%)9498(Top 754%)
Half13.11 mi0.68 mi13813+459856+309856+3013293(Top 47%)9593(Top 60%)9593(Top 762%)
25K15.53 mi2.42 mi13601+2129744+1129744+11212740(Top 45%)9182(Top 57%)9182(Top 729%)
30K18.64 mi3.11 mi13368+2339577+1679577+16712546(Top 44%)8923(Top 55%)8923(Top 709%)
20M20.00 mi1.36 mi13208+1609473+1049473+10411895(Top 42%)8478(Top 53%)8478(Top 673%)
21M21.00 mi1.00 mi13083+1259399+749399+7411564(Top 41%)8157(Top 51%)8157(Top 648%)
35K21.75 mi0.75 mi12945+1389318+819318+819793(Top 34%)7271(Top 45%)7271(Top 578%)
23M23.00 mi1.25 mi12758+1879193+1259193+12510420(Top 37%)7444(Top 46%)7444(Top 591%)
24M24.00 mi1.00 mi12652+1069120+739120+7310761(Top 38%)7565(Top 47%)7565(Top 601%)
40K24.85 mi0.85 mi12558+949043+779043+7710929(Top 38%)7539(Top 47%)7539(Top 599%)
25.2M25.20 mi0.35 mi12527+319008+359008+3511709(Top 41%)7843(Top 49%)7843(Top 623%)
Finish26.22 mi1.02 mi12520+78975+338975+3312631(Top 44%)8349(Top 52%)8349(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13032

Males

9531

M60-64

9531

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14284

Males

10118

M60-64

10118

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13032

Males

9531

M60-64

9531

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13176

Males

9498

M60-64

9498

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13293

Males

9593

M60-64

9593

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12740

Males

9182

M60-64

9182

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12546

Males

8923

M60-64

8923

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11895

Males

8478

M60-64

8478

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11564

Males

8157

M60-64

8157

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9793

Males

7271

M60-64

7271

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10420

Males

7444

M60-64

7444

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10761

Males

7565

M60-64

7565

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10929

Males

7539

M60-64

7539

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11709

Males

7843

M60-64

7843

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12631

Males

8349

M60-64

8349

Passing Analysis

Category:
Athletes Passed
3281
Passed By
670
Net Change
+2611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15131
5K → 10K557130+427#15131#14704
10K → 15K58929+560#14704#14144
15K → 20K35670+286#14144#13858
20K → Half5611+45#13858#13813
Half → 25K28674+212#13813#13601
25K → 30K350117+233#13601#13368
30K → 20M19232+160#13368#13208
20M → 21M16944+125#13208#13083
21M → 35K1424+138#13083#12945
35K → 23M20619+187#12945#12758
23M → 24M12721+106#12758#12652
24M → 40K12430+94#12652#12558
40K → 25.2M5221+31#12558#12527
25.2M → Finish7568+7#12527#12520
TOTALS3281670+2611
📊

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