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BOSTON MARATHON 2025

Ian Iverson

Bib: 526•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:53
Rank: #1328
Start → 5K
18:53 | 6:05/mi
10K· 6.21 mi
37:50
Rank: #1376 (-48)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
56:34
Rank: #1261 (+115)
10K → 15K
18:44 | 6:02/mi
20K· 12.43 mi
1:15:00
Rank: #1084 (+177)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:19:02
Rank: #1074 (+10)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:33:20
Rank: #972 (+102)
Half → 25K
14:18 | 5:54/mi
30K· 18.64 mi
1:51:38
Rank: #797 (+175)
25K → 30K
18:18 | 5:53/mi
20M
1:59:44
Rank: #742 (+55)
30K → 20M
8:06 | 5:58/mi
21M
2:06:00
Rank: #702 (+40)
20M → 21M
6:16 | 6:16/mi
35K· 21.75 mi
2:10:21
Rank: #671 (+31)
21M → 35K
4:21 | 5:49/mi
23M
2:17:44
Rank: #623 (+48)
35K → 23M
7:23 | 5:54/mi
24M
2:23:26
Rank: #592 (+31)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:28:23
Rank: #564 (+28)
24M → 40K
4:57 | 5:47/mi
25.2M
2:30:34
Rank: #549 (+15)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:36:22
Rank: #526 (+23)
25.2M → Finish
5:48 | 5:41/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:19:02
Pace6:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:17:20
Pace5:54 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1718:536:0518:53
6:05
-
10K
6.21 mi10:38:1437:506:0518:57
6:06
+0:01
15K
9.32 mi10:56:5856:346:0418:44
6:02
-0:04
20K
12.43 mi11:15:241:15:006:0218:26
5:56
-0:06
Half
13.11 mi11:19:261:19:026:024:02
5:55
-0:01
25K
15.53 mi11:33:441:33:206:0014:18
5:54
-0:01
30K
18.64 mi11:52:021:51:385:5918:18
5:53
-0:01
20M
20.00 mi12:00:081:59:445:598:06
5:58
+0:05
21M
21.00 mi12:06:242:06:006:006:16
6:16
+0:18
35K
21.75 mi12:10:452:10:216:004:21
5:49
-0:27
23M
23.00 mi12:18:082:17:445:597:23
5:54
+0:05
24M
24.00 mi12:23:502:23:265:595:42
5:42
-0:12
40K
24.85 mi12:28:472:28:235:584:57
5:47
+0:05
25.2M
25.20 mi12:30:582:30:345:582:11
6:20
+0:33
Finish
26.22 mi12:36:462:36:225:585:48
5:41
-0:39

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

5:41 /mi

Average Pace

5:58 /mi

Slowest Pace

6:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:55

95% of race

Time at Steady Pace

8:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:19:1718:536:0518:53
6:05
#1328
10K
6.21 mi10:38:1437:506:0518:57
6:06
#1376
15K
9.32 mi10:56:5856:346:0418:44
6:02
#1261
20K
12.43 mi11:15:241:15:006:0218:26
5:56
#1084
Half
13.11 mi11:19:261:19:026:024:02
5:55
#1074
25K
15.53 mi11:33:441:33:206:0014:18
5:54
#972
30K
18.64 mi11:52:021:51:385:5918:18
5:53
#797
20M
20.00 mi12:00:081:59:445:598:06
5:58
#742
21M
21.00 mi12:06:242:06:006:006:16
6:16
#702
35K
21.75 mi12:10:452:10:216:004:21
5:49
#671
23M
23.00 mi12:18:082:17:445:597:23
5:54
#623
24M
24.00 mi12:23:502:23:265:595:42
5:42
#592
40K
24.85 mi12:28:472:28:235:584:57
5:47
#564
25.2M
25.20 mi12:30:582:30:345:582:11
6:20
#549
Finish
26.22 mi12:36:462:36:225:585:48
5:41
#526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1328126312631121(Top 4%)1060(Top 7%)1060(Top 19%)
10K6.21 mi3.10 mi1376-481309-461309-461452(Top 5%)1379(Top 9%)1379(Top 24%)
15K9.32 mi3.11 mi1261+1151198+1111198+1111121(Top 4%)1060(Top 7%)1060(Top 19%)
20K12.43 mi3.11 mi1084+1771024+1741024+174695(Top 2%)648(Top 4%)648(Top 11%)
Half13.11 mi0.68 mi1074+101014+101014+10845(Top 3%)797(Top 5%)797(Top 14%)
25K15.53 mi2.42 mi972+102917+97917+97566(Top 2%)523(Top 3%)523(Top 9%)
30K18.64 mi3.11 mi797+175747+170747+170342(Top 1%)316(Top 2%)316(Top 6%)
20M20.00 mi1.36 mi742+55695+52695+52341(Top 1%)317(Top 2%)317(Top 6%)
21M21.00 mi1.00 mi702+40655+40655+40333(Top 1%)313(Top 2%)313(Top 6%)
35K21.75 mi0.75 mi671+31624+31624+31397(Top 1%)371(Top 2%)371(Top 7%)
23M23.00 mi1.25 mi623+48576+48576+48246(Top 0.9%)230(Top 1%)230(Top 4%)
24M24.00 mi1.00 mi592+31546+30546+30191(Top 0.7%)175(Top 1%)175(Top 3%)
40K24.85 mi0.85 mi564+28519+27519+27186(Top 0.7%)173(Top 1%)173(Top 3%)
25.2M25.20 mi0.35 mi549+15504+15504+15256(Top 0.9%)237(Top 1%)237(Top 4%)
Finish26.22 mi1.02 mi526+23486+18486+18354(Top 1%)331(Top 2%)331(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1121

Males

1060

M18-39

1060

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1452

Males

1379

M18-39

1379

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1121

Males

1060

M18-39

1060

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

695

Males

648

M18-39

648

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

845

Males

797

M18-39

797

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

566

Males

523

M18-39

523

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

342

Males

316

M18-39

316

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

341

Males

317

M18-39

317

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

333

Males

313

M18-39

313

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

397

Males

371

M18-39

371

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

246

Males

230

M18-39

230

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

191

Males

175

M18-39

175

24M→40K

24.0 - 24.9 mi

Top 0.7%
×1story
+6ft-20ft

Overall

186

Males

173

M18-39

173

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

256

Males

237

M18-39

237

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

354

Males

331

M18-39

331

Passing Analysis

Category:
Athletes Passed
909
Passed By
107
Net Change
+802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1328
5K → 10K4593-48#1328#1376
10K → 15K1183+115#1376#1261
15K → 20K1770+177#1261#1084
20K → Half144+10#1084#1074
Half → 25K1020+102#1074#972
25K → 30K1750+175#972#797
30K → 20M550+55#797#742
20M → 21M433+40#742#702
21M → 35K321+31#702#671
35K → 23M480+48#671#623
23M → 24M310+31#623#592
24M → 40K302+28#592#564
40K → 25.2M150+15#564#549
25.2M → Finish241+23#549#526
TOTALS909107+802
📊

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