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BOSTON MARATHON 2025

Jonathan Kotter

Bib: 70•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 0.8%
Gender (Male)
#0 / 16105
Top 1%
Masters (Masters Men)
#0 / 10463
Top 0.2%
Division (M40-44)
#0 / 2247
Top 0.7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:37
Rank: #94
Start → 5K
16:37 | 5:21/mi
10K· 6.21 mi
33:35
Rank: #138 (-44)
5K → 10K
16:58 | 5:28/mi
15K· 9.32 mi
50:49
Rank: #147 (-9)
10K → 15K
17:14 | 5:33/mi
20K· 12.43 mi
1:08:25
Rank: #173 (-26)
15K → 20K
17:36 | 5:40/mi
Half· 13.11 mi
1:12:14
Rank: #176 (-3)
20K → Half
3:49 | 5:36/mi
25K· 15.53 mi
1:25:43
Rank: #164 (+12)
Half → 25K
13:29 | 5:34/mi
30K· 18.64 mi
1:43:42
Rank: #167 (-3)
25K → 30K
17:59 | 5:47/mi
20M
1:52:02
Rank: #185 (-18)
30K → 20M
8:20 | 6:08/mi
21M
1:58:33
Rank: #188 (-3)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:02:57
Rank: #188
21M → 35K
4:24 | 5:53/mi
23M
2:10:34
Rank: #188
35K → 23M
7:37 | 6:05/mi
24M
2:16:33
Rank: #187 (+1)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:21:50
Rank: #200 (-13)
24M → 40K
5:17 | 6:11/mi
25.2M
2:24:13
Rank: #211 (-11)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:30:34
Rank: #230 (-19)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:14
Pace5:31 /mi
2nd Half
Distance13.11 mi
Time1:18:20
Pace5:59 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi09:53:3916:375:2116:37
5:21
-
10K
6.21 mi10:10:3733:355:2416:58
5:28
+0:07
15K
9.32 mi10:27:5150:495:2717:14
5:33
+0:05
20K
12.43 mi10:45:271:08:255:3017:36
5:40
+0:07
Half
13.11 mi10:49:161:12:145:313:49
5:36
-0:04
25K
15.53 mi11:02:451:25:435:3113:29
5:34
-0:02
30K
18.64 mi11:20:441:43:425:3417:59
5:47
+0:13
20M
20.00 mi11:29:041:52:025:368:20
6:08
+0:21
21M
21.00 mi11:35:351:58:335:396:31
6:31
+0:23
35K
21.75 mi11:39:592:02:575:394:24
5:53
-0:38
23M
23.00 mi11:47:362:10:345:417:37
6:05
+0:12
24M
24.00 mi11:53:352:16:335:415:59
5:59
-0:06
40K
24.85 mi11:58:522:21:505:425:17
6:11
+0:12
25.2M
25.20 mi12:01:152:24:135:432:23
6:55
+0:44
Finish
26.22 mi12:07:362:30:345:456:21
6:14
-0:41

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

5:21 /mi

Average Pace

5:45 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:43

57% of race

Time at Steady Pace

35:59

24% of race

Time at Slower Pace

28:52

19% of race

Average Pace: 5:45 /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 mi09:53:3916:375:2116:37
5:21
#94
10K
6.21 mi10:10:3733:355:2416:58
5:28
#138
15K
9.32 mi10:27:5150:495:2717:14
5:33
#147
20K
12.43 mi10:45:271:08:255:3017:36
5:40
#173
Half
13.11 mi10:49:161:12:145:313:49
5:36
#176
25K
15.53 mi11:02:451:25:435:3113:29
5:34
#164
30K
18.64 mi11:20:441:43:425:3417:59
5:47
#167
20M
20.00 mi11:29:041:52:025:368:20
6:08
#185
21M
21.00 mi11:35:351:58:335:396:31
6:31
#188
35K
21.75 mi11:39:592:02:575:394:24
5:53
#188
23M
23.00 mi11:47:362:10:345:417:37
6:05
#188
24M
24.00 mi11:53:352:16:335:415:59
5:59
#187
40K
24.85 mi11:58:522:21:505:425:17
6:11
#200
25.2M
25.20 mi12:01:152:24:135:432:23
6:55
#211
Finish
26.22 mi12:07:362:30:345:456:21
6:14
#230
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi949393198(Top 0.7%)172(Top 1%)172(Top 8%)
10K6.21 mi3.10 mi138-44117-24117-24177(Top 0.6%)150(Top 0.9%)150(Top 7%)
15K9.32 mi3.11 mi147-9125-8125-8198(Top 0.7%)172(Top 1%)172(Top 8%)
20K12.43 mi3.11 mi173-26148-23148-23274(Top 1.0%)248(Top 2%)248(Top 11%)
Half13.11 mi0.68 mi176-3151-3151-3286(Top 1%)261(Top 2%)261(Top 12%)
25K15.53 mi2.42 mi164+12141+10141+10166(Top 0.6%)144(Top 0.9%)144(Top 6%)
30K18.64 mi3.11 mi167-3144-3144-3234(Top 0.8%)212(Top 1%)212(Top 9%)
20M20.00 mi1.36 mi185-18163-19163-19584(Top 2%)550(Top 3%)550(Top 24%)
21M21.00 mi1.00 mi188-3166-3166-3700(Top 2%)661(Top 4%)661(Top 29%)
35K21.75 mi0.75 mi188166166488(Top 2%)453(Top 3%)453(Top 20%)
23M23.00 mi1.25 mi188167-1167-1448(Top 2%)421(Top 3%)421(Top 19%)
24M24.00 mi1.00 mi187+1166+1166+1532(Top 2%)496(Top 3%)496(Top 22%)
40K24.85 mi0.85 mi200-13179-13179-13676(Top 2%)631(Top 4%)631(Top 28%)
25.2M25.20 mi0.35 mi211-11189-10189-101192(Top 4%)1094(Top 7%)1094(Top 49%)
Finish26.22 mi1.02 mi230-19208-19208-191597(Top 6%)1481(Top 9%)1481(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

198

Males

172

M40-44

172

5K→10K

3.1 - 6.2 mi

Top 0.6%
×5stories
+79ft-138ft

Overall

177

Males

150

M40-44

150

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

198

Males

172

M40-44

172

15K→20K

9.3 - 12.4 mi

Top 1.0%
×5stories
+106ft-86ft

Overall

274

Males

248

M40-44

248

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

286

Males

261

M40-44

261

Half→25K

13.1 - 15.5 mi

Top 0.6%
×4stories
+66ft-88ft

Overall

166

Males

144

M40-44

144

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

234

Males

212

M40-44

212

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

584

Males

550

M40-44

550

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

700

Males

661

M40-44

661

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

488

Males

453

M40-44

453

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

448

Males

421

M40-44

421

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

532

Males

496

M40-44

496

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

676

Males

631

M40-44

631

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1192

Males

1094

M40-44

1094

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1597

Males

1481

M40-44

1481

Passing Analysis

Category:
Athletes Passed
45
Passed By
181
Net Change
-136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#94
5K → 10K044-44#94#138
10K → 15K514-9#138#147
15K → 20K430-26#147#173
20K → Half03-3#173#176
Half → 25K131+12#176#164
25K → 30K811-3#164#167
30K → 20M119-18#167#185
20M → 21M03-3#185#188
21M → 35K220#188#188
35K → 23M770#188#188
23M → 24M32+1#188#187
24M → 40K114-13#187#200
40K → 25.2M011-11#200#211
25.2M → Finish120-19#211#230
TOTALS45181-136
📊

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