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BOSTON MARATHON 2025

James Kuch

Bib: 14221•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M55-59)
#0 / 1648
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #7209
Start → 5K
6:55/mi
21:30 split
10K· 6.21 mi
42:43
Rank: #6961 (+248)
5K → 10K
6:50/mi
21:13 split
15K· 9.32 mi
1:04:15
Rank: #7008 (-47)
10K → 15K
6:56/mi
21:32 split
20K· 12.43 mi
1:26:06
Rank: #7048 (-40)
15K → 20K
7:02/mi
21:51 split
Half· 13.11 mi
1:30:51
Rank: #7055 (-7)
20K → Half
6:58/mi
4:45 split
25K· 15.53 mi
1:47:44
Rank: #6828 (+227)
Half → 25K
6:58/mi
16:53 split
30K· 18.64 mi
2:09:34
Rank: #6330 (+498)
25K → 30K
7:02/mi
21:50 split
20M
2:18:57
Rank: #6043 (+287)
30K → 20M
6:54/mi
9:23 split
21M
2:26:14
Rank: #5828 (+215)
20M → 21M
7:17/mi
7:17 split
35K· 21.75 mi
2:31:12
Rank: #5707 (+121)
21M → 35K
6:38/mi
4:58 split
23M
2:39:37
Rank: #5437 (+270)
35K → 23M
6:43/mi
8:25 split
24M
2:46:07
Rank: #5247 (+190)
23M → 24M
6:30/mi
6:30 split
40K· 24.85 mi
2:51:50
Rank: #5090 (+157)
24M → 40K
6:41/mi
5:43 split
25.2M
2:54:21
Rank: #5029 (+61)
40K → 25.2M
7:18/mi
2:31 split
Finish· 26.22 mi
3:01:01
Rank: #4920 (+109)
25.2M → Finish
6:33/mi
6:40 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:10
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5021:306:5521:30
6:55
-
10K
6.21 mi11:15:0342:436:5221:13
6:50
-0:05
15K
9.32 mi11:36:351:04:156:5421:32
6:56
+0:06
20K
12.43 mi11:58:261:26:066:5621:51
7:02
+0:06
Half
13.11 mi12:03:111:30:516:564:45
6:58
-0:04
25K
15.53 mi12:20:041:47:446:5616:53
6:58
0:00
30K
18.64 mi12:41:542:09:346:5721:50
7:02
+0:04
20M
20.00 mi12:51:172:18:576:579:23
6:54
-0:08
21M
21.00 mi12:58:342:26:146:587:17
7:17
+0:23
35K
21.75 mi13:03:322:31:126:574:58
6:38
-0:39
23M
23.00 mi13:11:572:39:376:568:25
6:43
+0:05
24M
24.00 mi13:18:272:46:076:556:30
6:30
-0:13
40K
24.85 mi13:24:102:51:506:555:43
6:41
+0:11
25.2M
25.20 mi13:26:412:54:216:552:31
7:18
+0:37
Finish
26.22 mi13:33:213:01:016:556:40
6:33
-0:45

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

6:30 /mi

Average Pace

6:55 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:13

95% of race

Time at Steady Pace

9:48

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:53:5021:306:5521:30
6:55
#7209
10K
6.21 mi11:15:0342:436:5221:13
6:50
#6961
15K
9.32 mi11:36:351:04:156:5421:32
6:56
#7008
20K
12.43 mi11:58:261:26:066:5621:51
7:02
#7048
Half
13.11 mi12:03:111:30:516:564:45
6:58
#7055
25K
15.53 mi12:20:041:47:446:5616:53
6:58
#6828
30K
18.64 mi12:41:542:09:346:5721:50
7:02
#6330
20M
20.00 mi12:51:172:18:576:579:23
6:54
#6043
21M
21.00 mi12:58:342:26:146:587:17
7:17
#5828
35K
21.75 mi13:03:322:31:126:574:58
6:38
#5707
23M
23.00 mi13:11:572:39:376:568:25
6:43
#5437
24M
24.00 mi13:18:272:46:076:556:30
6:30
#5247
40K
24.85 mi13:24:102:51:506:555:43
6:41
#5090
25.2M
25.20 mi13:26:412:54:216:552:31
7:18
#5029
Finish
26.22 mi13:33:213:01:016:556:40
6:33
#4920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7209645064507147(Top 25%)6353(Top 39%)6353(Top 385%)
10K6.21 mi3.10 mi6961+2486264+1866264+1866682(Top 24%)6027(Top 37%)6027(Top 366%)
15K9.32 mi3.11 mi7008-476290-266290-267147(Top 25%)6353(Top 39%)6353(Top 385%)
20K12.43 mi3.11 mi7048-406311-216311-217059(Top 25%)6246(Top 39%)6246(Top 379%)
Half13.11 mi0.68 mi7055-76310+16310+17219(Top 25%)6361(Top 39%)6361(Top 386%)
25K15.53 mi2.42 mi6828+2276115+1956115+1956050(Top 21%)5435(Top 34%)5435(Top 330%)
30K18.64 mi3.11 mi6330+4985695+4205695+4204857(Top 17%)4420(Top 27%)4420(Top 268%)
20M20.00 mi1.36 mi6043+2875454+2415454+2413547(Top 12%)3269(Top 20%)3269(Top 198%)
21M21.00 mi1.00 mi5828+2155278+1765278+1763543(Top 12%)3242(Top 20%)3242(Top 197%)
35K21.75 mi0.75 mi5707+1215180+985180+983162(Top 11%)2904(Top 18%)2904(Top 176%)
23M23.00 mi1.25 mi5437+2704947+2334947+2332351(Top 8%)2189(Top 14%)2189(Top 133%)
24M24.00 mi1.00 mi5247+1904775+1724775+1722054(Top 7%)1907(Top 12%)1907(Top 116%)
40K24.85 mi0.85 mi5090+1574637+1384637+1382313(Top 8%)2118(Top 13%)2118(Top 129%)
25.2M25.20 mi0.35 mi5029+614584+534584+532519(Top 9%)2253(Top 14%)2253(Top 137%)
Finish26.22 mi1.02 mi4920+1094482+1024482+1023018(Top 11%)2686(Top 17%)2686(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7147

Males

6353

M55-59

6353

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6682

Males

6027

M55-59

6027

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7147

Males

6353

M55-59

6353

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7059

Males

6246

M55-59

6246

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7219

Males

6361

M55-59

6361

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6050

Males

5435

M55-59

5435

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4857

Males

4420

M55-59

4420

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3547

Males

3269

M55-59

3269

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3543

Males

3242

M55-59

3242

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3162

Males

2904

M55-59

2904

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2351

Males

2189

M55-59

2189

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

2054

Males

1907

M55-59

1907

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2313

Males

2118

M55-59

2118

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2519

Males

2253

M55-59

2253

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3018

Males

2686

M55-59

2686

Passing Analysis

Category:
Athletes Passed
2806
Passed By
517
Net Change
+2289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7209
5K → 10K349101+248#7209#6961
10K → 15K121168-47#6961#7008
15K → 20K133173-40#7008#7048
20K → Half2229-7#7048#7055
Half → 25K24417+227#7055#6828
25K → 30K5057+498#6828#6330
30K → 20M2881+287#6330#6043
20M → 21M2205+215#6043#5828
21M → 35K1243+121#5828#5707
35K → 23M2722+270#5707#5437
23M → 24M1900+190#5437#5247
24M → 40K1581+157#5247#5090
40K → 25.2M621+61#5090#5029
25.2M → Finish1189+109#5029#4920
TOTALS2806517+2289
📊

Passing Visuals

Category:
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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