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BOSTON MARATHON 2025

Mark Iversen

Bib: 23717•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 (M65-69)
#0 / 639
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #19669
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
52:29
Rank: #19509 (+160)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:18:23
Rank: #19085 (+424)
10K → 15K
25:54 | 8:20/mi
20K· 12.43 mi
1:44:34
Rank: #18738 (+347)
15K → 20K
26:11 | 8:26/mi
Half· 13.11 mi
1:50:12
Rank: #18672 (+66)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:10:58
Rank: #18477 (+195)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:39:00
Rank: #18314 (+163)
25K → 30K
28:02 | 9:01/mi
20M
2:51:43
Rank: #18338 (-24)
30K → 20M
12:43 | 9:21/mi
21M
3:01:44
Rank: #18323 (+15)
20M → 21M
10:01 | 10:01/mi
35K· 21.75 mi
3:08:26
Rank: #18314 (+9)
21M → 35K
6:42 | 8:57/mi
23M
3:20:11
Rank: #18308 (+6)
35K → 23M
11:45 | 9:23/mi
24M
3:29:45
Rank: #18381 (-73)
23M → 24M
9:34 | 9:34/mi
40K· 24.85 mi
3:38:08
Rank: #18461 (-80)
24M → 40K
8:23 | 9:48/mi
25.2M
3:41:56
Rank: #18525 (-64)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:51:47
Rank: #18698 (-173)
25.2M → Finish
9:51 | 9:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:12
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:01:35
Pace9:16 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1326:188:2826:18
8:28
-
10K
6.21 mi11:50:2452:298:2726:11
8:26
-0:02
15K
9.32 mi12:16:181:18:238:2525:54
8:20
-0:06
20K
12.43 mi12:42:291:44:348:2526:11
8:26
+0:06
Half
13.11 mi12:48:071:50:128:245:38
8:15
-0:11
25K
15.53 mi13:08:532:10:588:2620:46
8:34
+0:19
30K
18.64 mi13:36:552:39:008:3228:02
9:01
+0:27
20M
20.00 mi13:49:382:51:438:3512:43
9:21
+0:20
21M
21.00 mi13:59:393:01:448:3910:01
10:01
+0:40
35K
21.75 mi14:06:213:08:268:406:42
8:57
-1:04
23M
23.00 mi14:18:063:20:118:4211:45
9:23
+0:26
24M
24.00 mi14:27:403:29:458:449:34
9:34
+0:11
40K
24.85 mi14:36:033:38:088:478:23
9:48
+0:14
25.2M
25.20 mi14:39:513:41:568:483:48
11:01
+1:13
Finish
26.22 mi14:49:423:51:478:519:51
9:40
-1:21

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

8:15 /mi

Average Pace

8:51 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:58

57% of race

Time at Steady Pace

59:12

26% of race

Time at Slower Pace

41:37

18% of race

Average Pace: 8:50 /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 mi11:24:1326:188:2826:18
8:28
#19669
10K
6.21 mi11:50:2452:298:2726:11
8:26
#19509
15K
9.32 mi12:16:181:18:238:2525:54
8:20
#19085
20K
12.43 mi12:42:291:44:348:2526:11
8:26
#18738
Half
13.11 mi12:48:071:50:128:245:38
8:15
#18672
25K
15.53 mi13:08:532:10:588:2620:46
8:34
#18477
30K
18.64 mi13:36:552:39:008:3228:02
9:01
#18314
20M
20.00 mi13:49:382:51:438:3512:43
9:21
#18338
21M
21.00 mi13:59:393:01:448:3910:01
10:01
#18323
35K
21.75 mi14:06:213:08:268:406:42
8:57
#18314
23M
23.00 mi14:18:063:20:118:4211:45
9:23
#18308
24M
24.00 mi14:27:403:29:458:449:34
9:34
#18381
40K
24.85 mi14:36:033:38:088:478:23
9:48
#18461
25.2M
25.20 mi14:39:513:41:568:483:48
11:01
#18525
Finish
26.22 mi14:49:423:51:478:519:51
9:40
#18698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19669123071230718293(Top 64%)11753(Top 73%)11753(Top 1839%)
10K6.21 mi3.10 mi19509+16012265+4212265+4219350(Top 68%)12214(Top 76%)12214(Top 1911%)
15K9.32 mi3.11 mi19085+42412075+19012075+19018293(Top 64%)11753(Top 73%)11753(Top 1839%)
20K12.43 mi3.11 mi18738+34711933+14211933+14217712(Top 62%)11490(Top 71%)11490(Top 1798%)
Half13.11 mi0.68 mi18672+6611900+3311900+3317623(Top 62%)11465(Top 71%)11465(Top 1794%)
25K15.53 mi2.42 mi18477+19511798+10211798+10217575(Top 62%)11353(Top 70%)11353(Top 1777%)
30K18.64 mi3.11 mi18314+16311698+10011698+10017801(Top 63%)11281(Top 70%)11281(Top 1765%)
20M20.00 mi1.36 mi18338-2411681+1711681+1718541(Top 65%)11466(Top 71%)11466(Top 1794%)
21M21.00 mi1.00 mi18323+1511651+3011651+3018345(Top 65%)11320(Top 70%)11320(Top 1772%)
35K21.75 mi0.75 mi18314+911628+2311628+2318003(Top 63%)11056(Top 69%)11056(Top 1730%)
23M23.00 mi1.25 mi18308+611599+2911599+2918154(Top 64%)11049(Top 69%)11049(Top 1729%)
24M24.00 mi1.00 mi18381-7311604-511604-519850(Top 70%)11792(Top 73%)11792(Top 1845%)
40K24.85 mi0.85 mi18461-8011609-511609-519814(Top 70%)11713(Top 73%)11713(Top 1833%)
25.2M25.20 mi0.35 mi18525-6411624-1511624-1520660(Top 73%)12107(Top 75%)12107(Top 1895%)
Finish26.22 mi1.02 mi18698-17311687-6311687-6321768(Top 77%)12661(Top 79%)12661(Top 1981%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18293

Males

11753

M65-69

11753

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19350

Males

12214

M65-69

12214

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18293

Males

11753

M65-69

11753

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17712

Males

11490

M65-69

11490

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17623

Males

11465

M65-69

11465

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17575

Males

11353

M65-69

11353

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17801

Males

11281

M65-69

11281

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18541

Males

11466

M65-69

11466

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18345

Males

11320

M65-69

11320

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18003

Males

11056

M65-69

11056

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18154

Males

11049

M65-69

11049

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19850

Males

11792

M65-69

11792

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19814

Males

11713

M65-69

11713

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20660

Males

12107

M65-69

12107

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21768

Males

12661

M65-69

12661

Passing Analysis

Category:
Athletes Passed
2383
Passed By
1412
Net Change
+971
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19669
5K → 10K343183+160#19669#19509
10K → 15K47955+424#19509#19085
15K → 20K38841+347#19085#18738
20K → Half7812+66#18738#18672
Half → 25K25863+195#18672#18477
25K → 30K312149+163#18477#18314
30K → 20M108132-24#18314#18338
20M → 21M10792+15#18338#18323
21M → 35K6758+9#18323#18314
35K → 23M106100+6#18314#18308
23M → 24M60133-73#18308#18381
24M → 40K43123-80#18381#18461
40K → 25.2M1781-64#18461#18525
25.2M → Finish17190-173#18525#18698
TOTALS23831412+971
📊

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