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BOSTON MARATHON 2025

Jonathan Krug

Bib: 223•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #6001
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
42:03
Rank: #5998 (+3)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:22
Rank: #6196 (-198)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:24:40
Rank: #6058 (+138)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:29:18
Rank: #6057 (+1)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:46
Rank: #6360 (-303)
Half → 25K
17:28 | 7:12/mi
30K· 18.64 mi
2:10:59
Rank: #6839 (-479)
25K → 30K
24:13 | 7:48/mi
20M
2:21:45
Rank: #6987 (-148)
30K → 20M
10:46 | 7:55/mi
21M
2:30:27
Rank: #7162 (-175)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:36:38
Rank: #7329 (-167)
21M → 35K
6:11 | 8:16/mi
23M
2:46:39
Rank: #7422 (-93)
35K → 23M
10:01 | 8:00/mi
24M
2:55:16
Rank: #7736 (-314)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:03:44
Rank: #8298 (-562)
24M → 40K
8:28 | 9:54/mi
25.2M
3:07:24
Rank: #8538 (-240)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:16:31
Rank: #9028 (-490)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:18
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:47:13
Pace8:11 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5621:006:4621:00
6:46
-
10K
6.21 mi11:07:5942:036:4621:03
6:47
+0:01
15K
9.32 mi11:29:181:03:226:4821:19
6:52
+0:05
20K
12.43 mi11:50:361:24:406:4921:18
6:51
-0:01
Half
13.11 mi11:55:141:29:186:494:38
6:47
-0:04
25K
15.53 mi12:12:421:46:466:5217:28
7:12
+0:25
30K
18.64 mi12:36:552:10:597:0224:13
7:48
+0:36
20M
20.00 mi12:47:412:21:457:0510:46
7:55
+0:07
21M
21.00 mi12:56:232:30:277:108:42
8:42
+0:47
35K
21.75 mi13:02:342:36:387:126:11
8:16
-0:26
23M
23.00 mi13:12:352:46:397:1510:01
8:00
-0:16
24M
24.00 mi13:21:122:55:167:188:37
8:37
+0:37
40K
24.85 mi13:29:403:03:447:248:28
9:54
+1:17
25.2M
25.20 mi13:33:203:07:247:263:40
10:38
+0:44
Finish
26.22 mi13:42:273:16:317:309:07
8:57
-1:41

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

6:46 /mi

Average Pace

7:30 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:46

54% of race

Time at Steady Pace

51:11

26% of race

Time at Slower Pace

38:34

20% of race

Average Pace: 7:30 /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 mi10:46:5621:006:4621:00
6:46
#6001
10K
6.21 mi11:07:5942:036:4621:03
6:47
#5998
15K
9.32 mi11:29:181:03:226:4821:19
6:52
#6196
20K
12.43 mi11:50:361:24:406:4921:18
6:51
#6058
Half
13.11 mi11:55:141:29:186:494:38
6:47
#6057
25K
15.53 mi12:12:421:46:466:5217:28
7:12
#6360
30K
18.64 mi12:36:552:10:597:0224:13
7:48
#6839
20M
20.00 mi12:47:412:21:457:0510:46
7:55
#6987
21M
21.00 mi12:56:232:30:277:108:42
8:42
#7162
35K
21.75 mi13:02:342:36:387:126:11
8:16
#7329
23M
23.00 mi13:12:352:46:397:1510:01
8:00
#7422
24M
24.00 mi13:21:122:55:167:188:37
8:37
#7736
40K
24.85 mi13:29:403:03:447:248:28
9:54
#8298
25.2M
25.20 mi13:33:203:07:247:263:40
10:38
#8538
Finish
26.22 mi13:42:273:16:317:309:07
8:57
#9028
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6001552055206689(Top 24%)6016(Top 37%)6016(Top 107%)
10K6.21 mi3.10 mi5998+35508+125508+126127(Top 22%)5589(Top 35%)5589(Top 99%)
15K9.32 mi3.11 mi6196-1985667-1595667-1596689(Top 24%)6016(Top 37%)6016(Top 107%)
20K12.43 mi3.11 mi6058+1385532+1355532+1355839(Top 21%)5309(Top 33%)5309(Top 94%)
Half13.11 mi0.68 mi6057+15528+45528+46134(Top 22%)5555(Top 34%)5555(Top 98%)
25K15.53 mi2.42 mi6360-3035755-2275755-2277650(Top 27%)6545(Top 41%)6545(Top 116%)
30K18.64 mi3.11 mi6839-4796085-3306085-3309883(Top 35%)7618(Top 47%)7618(Top 135%)
20M20.00 mi1.36 mi6987-1486167-826167-829890(Top 35%)7471(Top 46%)7471(Top 132%)
21M21.00 mi1.00 mi7162-1756260-936260-9311634(Top 41%)8184(Top 51%)8184(Top 145%)
35K21.75 mi0.75 mi7329-1676349-896349-8913978(Top 49%)9263(Top 58%)9263(Top 164%)
23M23.00 mi1.25 mi7422-936373-246373-249996(Top 35%)7225(Top 45%)7225(Top 128%)
24M24.00 mi1.00 mi7736-3146543-1706543-17015218(Top 54%)9671(Top 60%)9671(Top 171%)
40K24.85 mi0.85 mi8298-5626859-3166859-31620105(Top 71%)11832(Top 73%)11832(Top 210%)
25.2M25.20 mi0.35 mi8538-2406981-1226981-12219401(Top 68%)11475(Top 71%)11475(Top 203%)
Finish26.22 mi1.02 mi9028-4907221-2407221-24018732(Top 66%)11222(Top 70%)11222(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6689

Males

6016

M18-39

6016

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6127

Males

5589

M18-39

5589

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6689

Males

6016

M18-39

6016

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5839

Males

5309

M18-39

5309

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6134

Males

5555

M18-39

5555

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7650

Males

6545

M18-39

6545

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9883

Males

7618

M18-39

7618

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9890

Males

7471

M18-39

7471

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11634

Males

8184

M18-39

8184

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13978

Males

9263

M18-39

9263

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9996

Males

7225

M18-39

7225

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15218

Males

9671

M18-39

9671

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20105

Males

11832

M18-39

11832

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19401

Males

11475

M18-39

11475

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18732

Males

11222

M18-39

11222

Passing Analysis

Category:
Athletes Passed
854
Passed By
3881
Net Change
-3027
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6001
5K → 10K186183+3#6001#5998
10K → 15K84282-198#5998#6196
15K → 20K21375+138#6196#6058
20K → Half2019+1#6058#6057
Half → 25K60363-303#6057#6360
25K → 30K72551-479#6360#6839
30K → 20M57205-148#6839#6987
20M → 21M48223-175#6987#7162
21M → 35K13180-167#7162#7329
35K → 23M65158-93#7329#7422
23M → 24M15329-314#7422#7736
24M → 40K8570-562#7736#8298
40K → 25.2M8248-240#8298#8538
25.2M → Finish5495-490#8538#9028
TOTALS8543881-3027
📊

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