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BOSTON MARATHON 2025

Jason Kroge

Bib: 5356•M

KS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
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
20:27
Rank: #4449
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
40:49
Rank: #4273 (+176)
5K → 10K
20:22 | 6:33/mi
15K· 9.32 mi
1:01:29
Rank: #4369 (-96)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:22:50
Rank: #4697 (-328)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:27:32
Rank: #4805 (-108)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:44:29
Rank: #5038 (-233)
Half → 25K
16:57 | 6:59/mi
30K· 18.64 mi
2:07:22
Rank: #5446 (-408)
25K → 30K
22:53 | 7:22/mi
20M
2:17:35
Rank: #5591 (-145)
30K → 20M
10:13 | 7:31/mi
21M
2:25:29
Rank: #5625 (-34)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:30:52
Rank: #5636 (-11)
21M → 35K
5:23 | 7:12/mi
23M
2:40:13
Rank: #5594 (+42)
35K → 23M
9:21 | 7:28/mi
24M
2:47:30
Rank: #5562 (+32)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
2:53:30
Rank: #5463 (+99)
24M → 40K
6:00 | 7:01/mi
25.2M
2:56:21
Rank: #5452 (+11)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:03:57
Rank: #5510 (-58)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2420:276:3520:27
6:35
-
10K
6.21 mi10:44:4640:496:3420:22
6:33
-0:02
15K
9.32 mi11:05:261:01:296:3620:40
6:39
+0:06
20K
12.43 mi11:26:471:22:506:4021:21
6:52
+0:13
Half
13.11 mi11:31:291:27:326:414:42
6:53
+0:01
25K
15.53 mi11:48:261:44:296:4416:57
6:59
+0:06
30K
18.64 mi12:11:192:07:226:5022:53
7:22
+0:23
20M
20.00 mi12:21:322:17:356:5310:13
7:31
+0:09
21M
21.00 mi12:29:262:25:296:567:54
7:54
+0:23
35K
21.75 mi12:34:492:30:526:565:23
7:12
-0:42
23M
23.00 mi12:44:102:40:136:589:21
7:28
+0:16
24M
24.00 mi12:51:272:47:306:597:17
7:17
-0:11
40K
24.85 mi12:57:272:53:306:596:00
7:01
-0:16
25.2M
25.20 mi13:00:182:56:217:002:51
8:16
+1:15
Finish
26.22 mi13:07:543:03:577:017:36
7:27
-0:49

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

6:33 /mi

Average Pace

7:01 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:32

48% of race

Time at Steady Pace

58:30

32% of race

Time at Slower Pace

37:55

21% of race

Average Pace: 7:01 /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 mi10:24:2420:276:3520:27
6:35
#4449
10K
6.21 mi10:44:4640:496:3420:22
6:33
#4273
15K
9.32 mi11:05:261:01:296:3620:40
6:39
#4369
20K
12.43 mi11:26:471:22:506:4021:21
6:52
#4697
Half
13.11 mi11:31:291:27:326:414:42
6:53
#4805
25K
15.53 mi11:48:261:44:296:4416:57
6:59
#5038
30K
18.64 mi12:11:192:07:226:5022:53
7:22
#5446
20M
20.00 mi12:21:322:17:356:5310:13
7:31
#5591
21M
21.00 mi12:29:262:25:296:567:54
7:54
#5625
35K
21.75 mi12:34:492:30:526:565:23
7:12
#5636
23M
23.00 mi12:44:102:40:136:589:21
7:28
#5594
24M
24.00 mi12:51:272:47:306:597:17
7:17
#5562
40K
24.85 mi12:57:272:53:306:596:00
7:01
#5463
25.2M
25.20 mi13:00:182:56:217:002:51
8:16
#5452
Finish
26.22 mi13:07:543:03:577:017:36
7:27
#5510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4449418541854675(Top 16%)4376(Top 27%)4376(Top 78%)
10K6.21 mi3.10 mi4273+1764020+1654020+1654127(Top 15%)3881(Top 24%)3881(Top 69%)
15K9.32 mi3.11 mi4369-964107-874107-874675(Top 16%)4376(Top 27%)4376(Top 78%)
20K12.43 mi3.11 mi4697-3284385-2784385-2785972(Top 21%)5415(Top 34%)5415(Top 96%)
Half13.11 mi0.68 mi4805-1084479-944479-946802(Top 24%)6067(Top 38%)6067(Top 108%)
25K15.53 mi2.42 mi5038-2334671-1924671-1926274(Top 22%)5598(Top 35%)5598(Top 99%)
30K18.64 mi3.11 mi5446-4084995-3244995-3246842(Top 24%)5871(Top 36%)5871(Top 104%)
20M20.00 mi1.36 mi5591-1455107-1125107-1127113(Top 25%)5908(Top 37%)5908(Top 105%)
21M21.00 mi1.00 mi5625-345123-165123-166768(Top 24%)5539(Top 34%)5539(Top 98%)
35K21.75 mi0.75 mi5636-115124-15124-16550(Top 23%)5416(Top 34%)5416(Top 96%)
23M23.00 mi1.25 mi5594+425071+535071+536440(Top 23%)5253(Top 33%)5253(Top 93%)
24M24.00 mi1.00 mi5562+325030+415030+416307(Top 22%)5107(Top 32%)5107(Top 91%)
40K24.85 mi0.85 mi5463+994939+914939+914034(Top 14%)3522(Top 22%)3522(Top 62%)
25.2M25.20 mi0.35 mi5452+114920+194920+197390(Top 26%)5555(Top 34%)5555(Top 98%)
Finish26.22 mi1.02 mi5510-584953-334953-338863(Top 31%)6363(Top 40%)6363(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4675

Males

4376

M18-39

4376

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4127

Males

3881

M18-39

3881

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4675

Males

4376

M18-39

4376

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5972

Males

5415

M18-39

5415

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6802

Males

6067

M18-39

6067

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6274

Males

5598

M18-39

5598

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6842

Males

5871

M18-39

5871

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7113

Males

5908

M18-39

5908

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6768

Males

5539

M18-39

5539

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6550

Males

5416

M18-39

5416

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6440

Males

5253

M18-39

5253

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6307

Males

5107

M18-39

5107

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4034

Males

3522

M18-39

3522

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7390

Males

5555

M18-39

5555

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8863

Males

6363

M18-39

6363

Passing Analysis

Category:
Athletes Passed
975
Passed By
2036
Net Change
-1061
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4449
5K → 10K24670+176#4449#4273
10K → 15K62158-96#4273#4369
15K → 20K50378-328#4369#4697
20K → Half4112-108#4697#4805
Half → 25K56289-233#4805#5038
25K → 30K87495-408#5038#5446
30K → 20M36181-145#5446#5591
20M → 21M5791-34#5591#5625
21M → 35K3142-11#5625#5636
35K → 23M10361+42#5636#5594
23M → 24M7442+32#5594#5562
24M → 40K1067+99#5562#5463
40K → 25.2M3322+11#5463#5452
25.2M → Finish3088-58#5452#5510
TOTALS9752036-1061
📊

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