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BOSTON MARATHON 2025

Zachary Baker

Bib: 8936•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M40-44)
#0 / 2247
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:14
Rank: #6585
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:00
Rank: #5917 (+668)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:50
Rank: #5631 (+286)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:23:56
Rank: #5515 (+116)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:28:23
Rank: #5399 (+116)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:44:49
Rank: #5247 (+152)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:06:59
Rank: #5266 (-19)
25K → 30K
22:10 | 7:08/mi
20M
2:17:21
Rank: #5516 (-250)
30K → 20M
10:22 | 7:38/mi
21M
2:25:40
Rank: #5674 (-158)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:31:40
Rank: #5846 (-172)
21M → 35K
6:00 | 8:01/mi
23M
2:41:52
Rank: #6025 (-179)
35K → 23M
10:12 | 8:09/mi
24M
2:50:05
Rank: #6230 (-205)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
2:56:43
Rank: #6255 (-25)
24M → 40K
6:38 | 7:45/mi
25.2M
2:59:31
Rank: #6232 (+23)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:07:04
Rank: #6245 (-13)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:23
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4021:146:5021:14
6:50
-
10K
6.21 mi11:07:2642:006:4620:46
6:41
-0:09
15K
9.32 mi11:28:161:02:506:4420:50
6:42
+0:01
20K
12.43 mi11:49:221:23:566:4521:06
6:47
+0:05
Half
13.11 mi11:53:491:28:236:454:27
6:31
-0:16
25K
15.53 mi12:10:151:44:496:4516:26
6:47
+0:16
30K
18.64 mi12:32:252:06:596:4922:10
7:08
+0:21
20M
20.00 mi12:42:472:17:216:5210:22
7:38
+0:30
21M
21.00 mi12:51:062:25:406:568:19
8:19
+0:41
35K
21.75 mi12:57:062:31:406:586:00
8:01
-0:18
23M
23.00 mi13:07:182:41:527:0210:12
8:09
+0:08
24M
24.00 mi13:15:312:50:057:058:13
8:13
+0:04
40K
24.85 mi13:22:092:56:437:076:38
7:45
-0:28
25.2M
25.20 mi13:24:572:59:317:072:48
8:07
+0:22
Finish
26.22 mi13:32:303:07:047:087:33
7:25
-0:42

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

6:31 /mi

Average Pace

7:08 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:49

56% of race

Time at Steady Pace

40:05

21% of race

Time at Slower Pace

42:10

23% of race

Average Pace: 7:08 /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 mi10:46:4021:146:5021:14
6:50
#6585
10K
6.21 mi11:07:2642:006:4620:46
6:41
#5917
15K
9.32 mi11:28:161:02:506:4420:50
6:42
#5631
20K
12.43 mi11:49:221:23:566:4521:06
6:47
#5515
Half
13.11 mi11:53:491:28:236:454:27
6:31
#5399
25K
15.53 mi12:10:151:44:496:4516:26
6:47
#5247
30K
18.64 mi12:32:252:06:596:4922:10
7:08
#5266
20M
20.00 mi12:42:472:17:216:5210:22
7:38
#5516
21M
21.00 mi12:51:062:25:406:568:19
8:19
#5674
35K
21.75 mi12:57:062:31:406:586:00
8:01
#5846
23M
23.00 mi13:07:182:41:527:0210:12
8:09
#6025
24M
24.00 mi13:15:312:50:057:058:13
8:13
#6230
40K
24.85 mi13:22:092:56:437:076:38
7:45
#6255
25.2M
25.20 mi13:24:572:59:317:072:48
8:07
#6232
Finish
26.22 mi13:32:303:07:047:087:33
7:25
#6245
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6585598559855129(Top 18%)4754(Top 30%)4754(Top 212%)
10K6.21 mi3.10 mi5917+6685440+5455440+5455202(Top 18%)4831(Top 30%)4831(Top 215%)
15K9.32 mi3.11 mi5631+2865191+2495191+2495129(Top 18%)4754(Top 30%)4754(Top 212%)
20K12.43 mi3.11 mi5515+1165084+1075084+1075204(Top 18%)4793(Top 30%)4793(Top 213%)
Half13.11 mi0.68 mi5399+1164989+954989+953837(Top 14%)3617(Top 22%)3617(Top 161%)
25K15.53 mi2.42 mi5247+1524846+1434846+1434701(Top 17%)4330(Top 27%)4330(Top 193%)
30K18.64 mi3.11 mi5266-194838+84838+85525(Top 19%)4953(Top 31%)4953(Top 220%)
20M20.00 mi1.36 mi5516-2505044-2065044-2067849(Top 28%)6336(Top 39%)6336(Top 282%)
21M21.00 mi1.00 mi5674-1585161-1175161-1179278(Top 33%)6962(Top 43%)6962(Top 310%)
35K21.75 mi0.75 mi5846-1725283-1225283-12212329(Top 43%)8464(Top 53%)8464(Top 377%)
23M23.00 mi1.25 mi6025-1795405-1225405-12210987(Top 39%)7732(Top 48%)7732(Top 344%)
24M24.00 mi1.00 mi6230-2055535-1305535-13012634(Top 44%)8460(Top 53%)8460(Top 377%)
40K24.85 mi0.85 mi6255-255533+25533+28427(Top 30%)6201(Top 39%)6201(Top 276%)
25.2M25.20 mi0.35 mi6232+235504+295504+296522(Top 23%)5051(Top 31%)5051(Top 225%)
Finish26.22 mi1.02 mi6245-135488+165488+168509(Top 30%)6181(Top 38%)6181(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5129

Males

4754

M40-44

4754

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5202

Males

4831

M40-44

4831

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5129

Males

4754

M40-44

4754

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5204

Males

4793

M40-44

4793

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3837

Males

3617

M40-44

3617

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4701

Males

4330

M40-44

4330

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5525

Males

4953

M40-44

4953

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7849

Males

6336

M40-44

6336

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9278

Males

6962

M40-44

6962

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12329

Males

8464

M40-44

8464

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10987

Males

7732

M40-44

7732

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12634

Males

8460

M40-44

8460

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8427

Males

6201

M40-44

6201

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6522

Males

5051

M40-44

5051

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8509

Males

6181

M40-44

6181

Passing Analysis

Category:
Athletes Passed
1919
Passed By
1579
Net Change
+340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6585
5K → 10K68921+668#6585#5917
10K → 15K30822+286#5917#5631
15K → 20K18064+116#5631#5515
20K → Half1171+116#5515#5399
Half → 25K19038+152#5399#5247
25K → 30K159178-19#5247#5266
30K → 20M30280-250#5266#5516
20M → 21M26184-158#5516#5674
21M → 35K14186-172#5674#5846
35K → 23M43222-179#5846#6025
23M → 24M19224-205#6025#6230
24M → 40K4772-25#6230#6255
40K → 25.2M3916+23#6255#6232
25.2M → Finish5871-13#6232#6245
TOTALS19191579+340
📊

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