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BOSTON MARATHON 2025

Justin Marzean

Bib: 5519•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
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
20:54
Rank: #5679
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:38
Rank: #5360 (+319)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:02:23
Rank: #5187 (+173)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:23:33
Rank: #5192 (-5)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:28:08
Rank: #5193 (-1)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:56
Rank: #5314 (-121)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:07:33
Rank: #5527 (-213)
25K → 30K
22:37 | 7:17/mi
20M
2:17:41
Rank: #5622 (-95)
30K → 20M
10:08 | 7:27/mi
21M
2:25:53
Rank: #5730 (-108)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:31:17
Rank: #5739 (-9)
21M → 35K
5:24 | 7:13/mi
23M
2:40:40
Rank: #5715 (+24)
35K → 23M
9:23 | 7:30/mi
24M
2:48:07
Rank: #5718 (-3)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:54:35
Rank: #5713 (+5)
24M → 40K
6:28 | 7:34/mi
25.2M
2:57:23
Rank: #5697 (+16)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:04:54
Rank: #5731 (-34)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:36:46
Pace7:23 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3520:546:4420:54
6:44
-
10K
6.21 mi10:45:1941:386:4220:44
6:40
-0:04
15K
9.32 mi11:06:041:02:236:4220:45
6:41
+0:01
20K
12.43 mi11:27:141:23:336:4321:10
6:49
+0:08
Half
13.11 mi11:31:491:28:086:434:35
6:43
-0:06
25K
15.53 mi11:48:371:44:566:4516:48
6:56
+0:13
30K
18.64 mi12:11:142:07:336:5122:37
7:17
+0:21
20M
20.00 mi12:21:222:17:416:5310:08
7:27
+0:10
21M
21.00 mi12:29:342:25:536:578:12
8:12
+0:45
35K
21.75 mi12:34:582:31:176:575:24
7:13
-0:59
23M
23.00 mi12:44:212:40:406:599:23
7:30
+0:17
24M
24.00 mi12:51:482:48:077:007:27
7:27
-0:03
40K
24.85 mi12:58:162:54:357:016:28
7:34
+0:07
25.2M
25.20 mi13:01:042:57:237:022:48
8:07
+0:33
Finish
26.22 mi13:08:353:04:547:037:31
7:23
-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

6:40 /mi

Average Pace

7:03 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:56

57% of race

Time at Steady Pace

1:02:30

34% of race

Time at Slower Pace

17:28

9% of race

Average Pace: 7:03 /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 mi10:24:3520:546:4420:54
6:44
#5679
10K
6.21 mi10:45:1941:386:4220:44
6:40
#5360
15K
9.32 mi11:06:041:02:236:4220:45
6:41
#5187
20K
12.43 mi11:27:141:23:336:4321:10
6:49
#5192
Half
13.11 mi11:31:491:28:086:434:35
6:43
#5193
25K
15.53 mi11:48:371:44:566:4516:48
6:56
#5314
30K
18.64 mi12:11:142:07:336:5122:37
7:17
#5527
20M
20.00 mi12:21:222:17:416:5310:08
7:27
#5622
21M
21.00 mi12:29:342:25:536:578:12
8:12
#5730
35K
21.75 mi12:34:582:31:176:575:24
7:13
#5739
23M
23.00 mi12:44:212:40:406:599:23
7:30
#5715
24M
24.00 mi12:51:482:48:077:007:27
7:27
#5718
40K
24.85 mi12:58:162:54:357:016:28
7:34
#5713
25.2M
25.20 mi13:01:042:57:237:022:48
8:07
#5697
Finish
26.22 mi13:08:353:04:547:037:31
7:23
#5731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5679524652464874(Top 17%)4545(Top 28%)4545(Top 81%)
10K6.21 mi3.10 mi5360+3194968+2784968+2785088(Top 18%)4740(Top 29%)4740(Top 84%)
15K9.32 mi3.11 mi5187+1734822+1464822+1464874(Top 17%)4545(Top 28%)4545(Top 81%)
20K12.43 mi3.11 mi5192-54812+104812+105410(Top 19%)4957(Top 31%)4957(Top 88%)
Half13.11 mi0.68 mi5193-14816-44816-45406(Top 19%)4961(Top 31%)4961(Top 88%)
25K15.53 mi2.42 mi5314-1214901-854901-855837(Top 21%)5263(Top 33%)5263(Top 93%)
30K18.64 mi3.11 mi5527-2135057-1565057-1566322(Top 22%)5533(Top 34%)5533(Top 98%)
20M20.00 mi1.36 mi5622-955130-735130-736696(Top 24%)5637(Top 35%)5637(Top 100%)
21M21.00 mi1.00 mi5730-1085205-755205-758543(Top 30%)6551(Top 41%)6551(Top 116%)
35K21.75 mi0.75 mi5739-95200+55200+56660(Top 23%)5479(Top 34%)5479(Top 97%)
23M23.00 mi1.25 mi5715+245161+395161+396565(Top 23%)5332(Top 33%)5332(Top 95%)
24M24.00 mi1.00 mi5718-35147+145147+147320(Top 26%)5707(Top 35%)5707(Top 101%)
40K24.85 mi0.85 mi5713+55130+175130+177132(Top 25%)5493(Top 34%)5493(Top 97%)
25.2M25.20 mi0.35 mi5697+165109+215109+216506(Top 23%)5035(Top 31%)5035(Top 89%)
Finish26.22 mi1.02 mi5731-345117-85117-88279(Top 29%)6055(Top 38%)6055(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4874

Males

4545

M18-39

4545

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5088

Males

4740

M18-39

4740

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4874

Males

4545

M18-39

4545

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5410

Males

4957

M18-39

4957

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5406

Males

4961

M18-39

4961

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5837

Males

5263

M18-39

5263

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6322

Males

5533

M18-39

5533

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6696

Males

5637

M18-39

5637

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8543

Males

6551

M18-39

6551

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6660

Males

5479

M18-39

5479

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6565

Males

5332

M18-39

5332

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7320

Males

5707

M18-39

5707

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7132

Males

5493

M18-39

5493

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6506

Males

5035

M18-39

5035

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8279

Males

6055

M18-39

6055

Passing Analysis

Category:
Athletes Passed
1375
Passed By
1427
Net Change
-52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5679
5K → 10K38566+319#5679#5360
10K → 15K23461+173#5360#5187
15K → 20K122127-5#5187#5192
20K → Half3334-1#5192#5193
Half → 25K76197-121#5193#5314
25K → 30K122335-213#5314#5527
30K → 20M43138-95#5527#5622
20M → 21M38146-108#5622#5730
21M → 35K4049-9#5730#5739
35K → 23M8561+24#5739#5715
23M → 24M5962-3#5715#5718
24M → 40K4944+5#5718#5713
40K → 25.2M4024+16#5713#5697
25.2M → Finish4983-34#5697#5731
TOTALS13751427-52
📊

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