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BOSTON MARATHON 2025

Zachary Stone

Bib: 3327•M

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2949
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:21
Rank: #2640 (+309)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
59:00
Rank: #2573 (+67)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:18:48
Rank: #2497 (+76)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:23:06
Rank: #2498 (-1)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:39:06
Rank: #2622 (-124)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
1:59:59
Rank: #2642 (-20)
25K → 30K
20:53 | 6:43/mi
20M
2:09:54
Rank: #2840 (-198)
30K → 20M
9:55 | 7:18/mi
21M
2:18:08
Rank: #3105 (-265)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:23:30
Rank: #3186 (-81)
21M → 35K
5:22 | 7:10/mi
23M
2:33:19
Rank: #3446 (-260)
35K → 23M
9:49 | 7:50/mi
24M
2:40:51
Rank: #3626 (-180)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
2:47:49
Rank: #3882 (-256)
24M → 40K
6:58 | 8:09/mi
25.2M
2:50:52
Rank: #3987 (-105)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
2:58:09
Rank: #4076 (-89)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:06
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0619:496:2319:49
6:23
-
10K
6.21 mi10:40:3839:216:2019:32
6:17
-0:06
15K
9.32 mi11:00:1759:006:2019:39
6:19
+0:02
20K
12.43 mi11:20:051:18:486:2019:48
6:22
+0:03
Half
13.11 mi11:24:231:23:066:204:18
6:18
-0:04
25K
15.53 mi11:40:231:39:066:2316:00
6:36
+0:18
30K
18.64 mi12:01:161:59:596:2620:53
6:43
+0:07
20M
20.00 mi12:11:112:09:546:309:55
7:18
+0:35
21M
21.00 mi12:19:252:18:086:358:14
8:14
+0:56
35K
21.75 mi12:24:472:23:306:365:22
7:10
-1:04
23M
23.00 mi12:34:362:33:196:409:49
7:50
+0:40
24M
24.00 mi12:42:082:40:516:427:32
7:32
-0:18
40K
24.85 mi12:49:062:47:496:456:58
8:09
+0:37
25.2M
25.20 mi12:52:092:50:526:473:03
8:51
+0:42
Finish
26.22 mi12:59:262:58:096:487:17
7:09
-1:42

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

6:17 /mi

Average Pace

6:48 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:59

67% of race

Time at Steady Pace

30:06

17% of race

Time at Slower Pace

28:04

16% of race

Average Pace: 6:48 /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 mi10:21:0619:496:2319:49
6:23
#2949
10K
6.21 mi10:40:3839:216:2019:32
6:17
#2640
15K
9.32 mi11:00:1759:006:2019:39
6:19
#2573
20K
12.43 mi11:20:051:18:486:2019:48
6:22
#2497
Half
13.11 mi11:24:231:23:066:204:18
6:18
#2498
25K
15.53 mi11:40:231:39:066:2316:00
6:36
#2622
30K
18.64 mi12:01:161:59:596:2620:53
6:43
#2642
20M
20.00 mi12:11:112:09:546:309:55
7:18
#2840
21M
21.00 mi12:19:252:18:086:358:14
8:14
#3105
35K
21.75 mi12:24:472:23:306:365:22
7:10
#3186
23M
23.00 mi12:34:362:33:196:409:49
7:50
#3446
24M
24.00 mi12:42:082:40:516:427:32
7:32
#3626
40K
24.85 mi12:49:062:47:496:456:58
8:09
#3882
25.2M
25.20 mi12:52:092:50:526:473:03
8:51
#3987
Finish
26.22 mi12:59:262:58:096:487:17
7:09
#4076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2949280528052490(Top 9%)2375(Top 15%)2375(Top 42%)
10K6.21 mi3.10 mi2640+3092514+2912514+2912336(Top 8%)2235(Top 14%)2235(Top 40%)
15K9.32 mi3.11 mi2573+672453+612453+612490(Top 9%)2375(Top 15%)2375(Top 42%)
20K12.43 mi3.11 mi2497+762382+712382+712385(Top 8%)2275(Top 14%)2275(Top 40%)
Half13.11 mi0.68 mi2498-12385-32385-32529(Top 9%)2418(Top 15%)2418(Top 43%)
25K15.53 mi2.42 mi2622-1242503-1182503-1183454(Top 12%)3259(Top 20%)3259(Top 58%)
30K18.64 mi3.11 mi2642-202521-182521-182986(Top 11%)2808(Top 17%)2808(Top 50%)
20M20.00 mi1.36 mi2840-1982705-1842705-1845737(Top 20%)4998(Top 31%)4998(Top 89%)
21M21.00 mi1.00 mi3105-2652940-2352940-2358736(Top 31%)6655(Top 41%)6655(Top 118%)
35K21.75 mi0.75 mi3186-813013-733013-736373(Top 22%)5287(Top 33%)5287(Top 94%)
23M23.00 mi1.25 mi3446-2603245-2323245-2328825(Top 31%)6613(Top 41%)6613(Top 117%)
24M24.00 mi1.00 mi3626-1803396-1513396-1517891(Top 28%)6035(Top 37%)6035(Top 107%)
40K24.85 mi0.85 mi3882-2563606-2103606-21011158(Top 39%)7628(Top 47%)7628(Top 135%)
25.2M25.20 mi0.35 mi3987-1053696-903696-9010773(Top 38%)7327(Top 45%)7327(Top 130%)
Finish26.22 mi1.02 mi4076-893764-683764-686647(Top 23%)5107(Top 32%)5107(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2490

Males

2375

M18-39

2375

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2336

Males

2235

M18-39

2235

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2490

Males

2375

M18-39

2375

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2385

Males

2275

M18-39

2275

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2529

Males

2418

M18-39

2418

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3454

Males

3259

M18-39

3259

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2986

Males

2808

M18-39

2808

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5737

Males

4998

M18-39

4998

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8736

Males

6655

M18-39

6655

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6373

Males

5287

M18-39

5287

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8825

Males

6613

M18-39

6613

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7891

Males

6035

M18-39

6035

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11158

Males

7628

M18-39

7628

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10773

Males

7327

M18-39

7327

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6647

Males

5107

M18-39

5107

Passing Analysis

Category:
Athletes Passed
800
Passed By
1927
Net Change
-1127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2949
5K → 10K33627+309#2949#2640
10K → 15K10942+67#2640#2573
15K → 20K11943+76#2573#2497
20K → Half1314-1#2497#2498
Half → 25K29153-124#2498#2622
25K → 30K80100-20#2622#2642
30K → 20M18216-198#2642#2840
20M → 21M5270-265#2840#3105
21M → 35K1596-81#3105#3186
35K → 23M21281-260#3186#3446
23M → 24M19199-180#3446#3626
24M → 40K10266-256#3626#3882
40K → 25.2M3108-105#3882#3987
25.2M → Finish23112-89#3987#4076
TOTALS8001927-1127
📊

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