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BOSTON MARATHON 2025

Jack Bazz

Bib: 5679•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #2494
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
39:10
Rank: #2438 (+56)
5K → 10K
19:34 | 6:18/mi
15K· 9.32 mi
58:39
Rank: #2331 (+107)
10K → 15K
19:29 | 6:16/mi
20K· 12.43 mi
1:18:17
Rank: #2260 (+71)
15K → 20K
19:38 | 6:19/mi
Half· 13.11 mi
1:22:30
Rank: #2235 (+25)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:48
Rank: #2155 (+80)
Half → 25K
15:18 | 6:19/mi
30K· 18.64 mi
1:57:46
Rank: #2024 (+131)
25K → 30K
19:58 | 6:26/mi
20M
2:06:37
Rank: #1980 (+44)
30K → 20M
8:51 | 6:31/mi
21M
2:13:36
Rank: #1964 (+16)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:18:21
Rank: #1932 (+32)
21M → 35K
4:45 | 6:21/mi
23M
2:26:36
Rank: #1891 (+41)
35K → 23M
8:15 | 6:35/mi
24M
2:33:06
Rank: #1873 (+18)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:38:48
Rank: #1865 (+8)
24M → 40K
5:42 | 6:40/mi
25.2M
2:41:15
Rank: #1853 (+12)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:47:50
Rank: #1850 (+3)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:30
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:25:20
Pace6:31 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5419:366:1919:36
6:19
-
10K
6.21 mi10:43:2839:106:1819:34
6:18
-0:01
15K
9.32 mi11:02:5758:396:1819:29
6:16
-0:02
20K
12.43 mi11:22:351:18:176:1819:38
6:19
+0:03
Half
13.11 mi11:26:481:22:306:184:13
6:11
-0:08
25K
15.53 mi11:42:061:37:486:1815:18
6:19
+0:08
30K
18.64 mi12:02:041:57:466:1919:58
6:26
+0:07
20M
20.00 mi12:10:552:06:376:208:51
6:31
+0:05
21M
21.00 mi12:17:542:13:366:226:59
6:59
+0:28
35K
21.75 mi12:22:392:18:216:224:45
6:21
-0:38
23M
23.00 mi12:30:542:26:366:228:15
6:35
+0:14
24M
24.00 mi12:37:242:33:066:236:30
6:30
-0:05
40K
24.85 mi12:43:062:38:486:235:42
6:40
+0:10
25.2M
25.20 mi12:45:332:41:156:242:27
7:06
+0:26
Finish
26.22 mi12:52:082:47:506:246:35
6:28
-0:38

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

6:11 /mi

Average Pace

6:24 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:24

94% of race

Time at Steady Pace

9:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:23:5419:366:1919:36
6:19
#2494
10K
6.21 mi10:43:2839:106:1819:34
6:18
#2438
15K
9.32 mi11:02:5758:396:1819:29
6:16
#2331
20K
12.43 mi11:22:351:18:176:1819:38
6:19
#2260
Half
13.11 mi11:26:481:22:306:184:13
6:11
#2235
25K
15.53 mi11:42:061:37:486:1815:18
6:19
#2155
30K
18.64 mi12:02:041:57:466:1919:58
6:26
#2024
20M
20.00 mi12:10:552:06:376:208:51
6:31
#1980
21M
21.00 mi12:17:542:13:366:226:59
6:59
#1964
35K
21.75 mi12:22:392:18:216:224:45
6:21
#1932
23M
23.00 mi12:30:542:26:366:228:15
6:35
#1891
24M
24.00 mi12:37:242:33:066:236:30
6:30
#1873
40K
24.85 mi12:43:062:38:486:235:42
6:40
#1865
25.2M
25.20 mi12:45:332:41:156:242:27
7:06
#1853
Finish
26.22 mi12:52:082:47:506:246:35
6:28
#1850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2494237623762213(Top 8%)2109(Top 13%)2109(Top 37%)
10K6.21 mi3.10 mi2438+562325+512325+512422(Top 9%)2317(Top 14%)2317(Top 41%)
15K9.32 mi3.11 mi2331+1072226+992226+992213(Top 8%)2109(Top 13%)2109(Top 37%)
20K12.43 mi3.11 mi2260+712161+652161+652103(Top 7%)2005(Top 12%)2005(Top 36%)
Half13.11 mi0.68 mi2235+252135+262135+261917(Top 7%)1830(Top 11%)1830(Top 32%)
25K15.53 mi2.42 mi2155+802056+792056+791925(Top 7%)1831(Top 11%)1831(Top 32%)
30K18.64 mi3.11 mi2024+1311928+1281928+1281666(Top 6%)1580(Top 10%)1580(Top 28%)
20M20.00 mi1.36 mi1980+441885+431885+431689(Top 6%)1597(Top 10%)1597(Top 28%)
21M21.00 mi1.00 mi1964+161868+171868+172206(Top 8%)2062(Top 13%)2062(Top 37%)
35K21.75 mi0.75 mi1932+321836+321836+321837(Top 6%)1726(Top 11%)1726(Top 31%)
23M23.00 mi1.25 mi1891+411795+411795+411800(Top 6%)1686(Top 10%)1686(Top 30%)
24M24.00 mi1.00 mi1873+181775+201775+202064(Top 7%)1917(Top 12%)1917(Top 34%)
40K24.85 mi0.85 mi1865+81767+81767+82246(Top 8%)2061(Top 13%)2061(Top 37%)
25.2M25.20 mi0.35 mi1853+121755+121755+121829(Top 6%)1668(Top 10%)1668(Top 30%)
Finish26.22 mi1.02 mi1850+31751+41751+42631(Top 9%)2381(Top 15%)2381(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2213

Males

2109

M18-39

2109

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2422

Males

2317

M18-39

2317

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2213

Males

2109

M18-39

2109

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2103

Males

2005

M18-39

2005

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1917

Males

1830

M18-39

1830

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1925

Males

1831

M18-39

1831

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1666

Males

1580

M18-39

1580

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1689

Males

1597

M18-39

1597

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2206

Males

2062

M18-39

2062

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1837

Males

1726

M18-39

1726

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1800

Males

1686

M18-39

1686

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2064

Males

1917

M18-39

1917

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2246

Males

2061

M18-39

2061

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1829

Males

1668

M18-39

1668

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2631

Males

2381

M18-39

2381

Passing Analysis

Category:
Athletes Passed
992
Passed By
348
Net Change
+644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2494
5K → 10K13377+56#2494#2438
10K → 15K14033+107#2438#2331
15K → 20K11039+71#2331#2260
20K → Half283+25#2260#2235
Half → 25K9313+80#2235#2155
25K → 30K14615+131#2155#2024
30K → 20M6420+44#2024#1980
20M → 21M4630+16#1980#1964
21M → 35K397+32#1964#1932
35K → 23M6928+41#1932#1891
23M → 24M4123+18#1891#1873
24M → 40K3224+8#1873#1865
40K → 25.2M186+12#1865#1853
25.2M → Finish3330+3#1853#1850
TOTALS992348+644
📊

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