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BOSTON MARATHON 2025

Kevin Zych

Bib: 1783•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1865
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
38:17
Rank: #1677 (+188)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
57:28
Rank: #1674 (+3)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:16:38
Rank: #1603 (+71)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:42
Rank: #1561 (+42)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:35:30
Rank: #1459 (+102)
Half → 25K
14:48 | 6:06/mi
30K· 18.64 mi
1:54:51
Rank: #1334 (+125)
25K → 30K
19:21 | 6:14/mi
20M
2:03:09
Rank: #1254 (+80)
30K → 20M
8:18 | 6:06/mi
21M
2:09:46
Rank: #1208 (+46)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:14:15
Rank: #1169 (+39)
21M → 35K
4:29 | 6:00/mi
23M
2:22:12
Rank: #1117 (+52)
35K → 23M
7:57 | 6:21/mi
24M
2:28:22
Rank: #1094 (+23)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:33:53
Rank: #1087 (+7)
24M → 40K
5:31 | 6:27/mi
25.2M
2:36:19
Rank: #1085 (+2)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:42:45
Rank: #1093 (-8)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:42
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:03
Pace6:16 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5519:166:1219:16
6:12
-
10K
6.21 mi10:38:5638:176:1019:01
6:07
-0:05
15K
9.32 mi10:58:0757:286:1019:11
6:10
+0:03
20K
12.43 mi11:17:171:16:386:1019:10
6:10
0:00
Half
13.11 mi11:21:211:20:426:094:04
5:58
-0:12
25K
15.53 mi11:36:091:35:306:0914:48
6:06
+0:08
30K
18.64 mi11:55:301:54:516:1019:21
6:14
+0:08
20M
20.00 mi12:03:482:03:096:098:18
6:06
-0:08
21M
21.00 mi12:10:252:09:466:116:37
6:37
+0:31
35K
21.75 mi12:14:542:14:156:104:29
6:00
-0:37
23M
23.00 mi12:22:512:22:126:117:57
6:21
+0:21
24M
24.00 mi12:29:012:28:226:116:10
6:10
-0:11
40K
24.85 mi12:34:322:33:536:115:31
6:27
+0:17
25.2M
25.20 mi12:36:582:36:196:122:26
7:03
+0:36
Finish
26.22 mi12:43:242:42:456:136:26
6:19
-0:44

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

5:58 /mi

Average Pace

6:13 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:42

94% of race

Time at Steady Pace

6:37

4% of race

Time at Slower Pace

2:26

1% of race

Average Pace: 6:12 /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 mi10:19:5519:166:1219:16
6:12
#1865
10K
6.21 mi10:38:5638:176:1019:01
6:07
#1677
15K
9.32 mi10:58:0757:286:1019:11
6:10
#1674
20K
12.43 mi11:17:171:16:386:1019:10
6:10
#1603
Half
13.11 mi11:21:211:20:426:094:04
5:58
#1561
25K
15.53 mi11:36:091:35:306:0914:48
6:06
#1459
30K
18.64 mi11:55:301:54:516:1019:21
6:14
#1334
20M
20.00 mi12:03:482:03:096:098:18
6:06
#1254
21M
21.00 mi12:10:252:09:466:116:37
6:37
#1208
35K
21.75 mi12:14:542:14:156:104:29
6:00
#1169
23M
23.00 mi12:22:512:22:126:117:57
6:21
#1117
24M
24.00 mi12:29:012:28:226:116:10
6:10
#1094
40K
24.85 mi12:34:322:33:536:115:31
6:27
#1087
25.2M
25.20 mi12:36:582:36:196:122:26
7:03
#1085
Finish
26.22 mi12:43:242:42:456:136:26
6:19
#1093
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1865177117711706(Top 6%)1619(Top 10%)1619(Top 29%)
10K6.21 mi3.10 mi1677+1881596+1751596+1751542(Top 5%)1465(Top 9%)1465(Top 26%)
15K9.32 mi3.11 mi1674+31591+51591+51706(Top 6%)1619(Top 10%)1619(Top 29%)
20K12.43 mi3.11 mi1603+711521+701521+701440(Top 5%)1365(Top 8%)1365(Top 24%)
Half13.11 mi0.68 mi1561+421482+391482+391019(Top 4%)966(Top 6%)966(Top 17%)
25K15.53 mi2.42 mi1459+1021384+981384+981109(Top 4%)1045(Top 6%)1045(Top 19%)
30K18.64 mi3.11 mi1334+1251259+1251259+125995(Top 4%)935(Top 6%)935(Top 17%)
20M20.00 mi1.36 mi1254+801184+751184+75556(Top 2%)523(Top 3%)523(Top 9%)
21M21.00 mi1.00 mi1208+461137+471137+47962(Top 3%)912(Top 6%)912(Top 16%)
35K21.75 mi0.75 mi1169+391101+361101+36731(Top 3%)684(Top 4%)684(Top 12%)
23M23.00 mi1.25 mi1117+521052+491052+49995(Top 4%)938(Top 6%)938(Top 17%)
24M24.00 mi1.00 mi1094+231030+221030+22928(Top 3%)873(Top 5%)873(Top 15%)
40K24.85 mi0.85 mi1087+71024+61024+61424(Top 5%)1318(Top 8%)1318(Top 23%)
25.2M25.20 mi0.35 mi1085+21022+21022+21605(Top 6%)1462(Top 9%)1462(Top 26%)
Finish26.22 mi1.02 mi1093-81030-81030-81926(Top 7%)1770(Top 11%)1770(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1706

Males

1619

M18-39

1619

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1542

Males

1465

M18-39

1465

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1706

Males

1619

M18-39

1619

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1440

Males

1365

M18-39

1365

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1019

Males

966

M18-39

966

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1109

Males

1045

M18-39

1045

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

995

Males

935

M18-39

935

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

556

Males

523

M18-39

523

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

962

Males

912

M18-39

912

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

731

Males

684

M18-39

684

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

995

Males

938

M18-39

938

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

928

Males

873

M18-39

873

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1424

Males

1318

M18-39

1318

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1605

Males

1462

M18-39

1462

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1926

Males

1770

M18-39

1770

Passing Analysis

Category:
Athletes Passed
940
Passed By
168
Net Change
+772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1865
5K → 10K20820+188#1865#1677
10K → 15K6158+3#1677#1674
15K → 20K9019+71#1674#1603
20K → Half420+42#1603#1561
Half → 25K1042+102#1561#1459
25K → 30K1316+125#1459#1334
30K → 20M811+80#1334#1254
20M → 21M537+46#1254#1208
21M → 35K412+39#1208#1169
35K → 23M586+52#1169#1117
23M → 24M307+23#1117#1094
24M → 40K1811+7#1094#1087
40K → 25.2M97+2#1087#1085
25.2M → Finish1422-8#1085#1093
TOTALS940168+772
📊

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