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BOSTON MARATHON 2025

Zach Holt

Bib: 3729•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
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
21:26
Rank: #7071
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
42:55
Rank: #7199 (-128)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:04:31
Rank: #7243 (-44)
10K → 15K
21:36 | 6:57/mi
20K· 12.43 mi
1:26:58
Rank: #7492 (-249)
15K → 20K
22:27 | 7:14/mi
Half· 13.11 mi
1:31:50
Rank: #7520 (-28)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:50:02
Rank: #7817 (-297)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:14:41
Rank: #8219 (-402)
25K → 30K
24:39 | 7:56/mi
20M
2:25:44
Rank: #8430 (-211)
30K → 20M
11:03 | 8:08/mi
21M
2:34:14
Rank: #8493 (-63)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:39:46
Rank: #8437 (+56)
21M → 35K
5:32 | 7:24/mi
23M
2:49:33
Rank: #8386 (+51)
35K → 23M
9:47 | 7:49/mi
24M
2:57:15
Rank: #8372 (+14)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:03:59
Rank: #8383 (-11)
24M → 40K
6:44 | 7:53/mi
25.2M
3:06:54
Rank: #8366 (+17)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:14:46
Rank: #8468 (-102)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:50
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2621:266:5421:26
6:54
-
10K
6.21 mi10:46:5542:556:5421:29
6:55
+0:01
15K
9.32 mi11:08:311:04:316:5521:36
6:57
+0:02
20K
12.43 mi11:30:581:26:587:0022:27
7:14
+0:17
Half
13.11 mi11:35:501:31:507:004:52
7:08
-0:06
25K
15.53 mi11:54:021:50:027:0518:12
7:30
+0:22
30K
18.64 mi12:18:412:14:417:1424:39
7:56
+0:26
20M
20.00 mi12:29:442:25:447:1711:03
8:08
+0:12
21M
21.00 mi12:38:142:34:147:218:30
8:30
+0:22
35K
21.75 mi12:43:462:39:467:215:32
7:24
-1:06
23M
23.00 mi12:53:332:49:337:229:47
7:49
+0:25
24M
24.00 mi13:01:152:57:157:237:42
7:42
-0:07
40K
24.85 mi13:07:593:03:597:246:44
7:53
+0:11
25.2M
25.20 mi13:10:543:06:547:252:55
8:27
+0:34
Finish
26.22 mi13:18:463:14:467:267:52
7:43
-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

6:54 /mi

Average Pace

7:26 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:22

50% of race

Time at Steady Pace

1:14:56

38% of race

Time at Slower Pace

22:28

12% of race

Average Pace: 7:26 /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 mi10:25:2621:266:5421:26
6:54
#7071
10K
6.21 mi10:46:5542:556:5421:29
6:55
#7199
15K
9.32 mi11:08:311:04:316:5521:36
6:57
#7243
20K
12.43 mi11:30:581:26:587:0022:27
7:14
#7492
Half
13.11 mi11:35:501:31:507:004:52
7:08
#7520
25K
15.53 mi11:54:021:50:027:0518:12
7:30
#7817
30K
18.64 mi12:18:412:14:417:1424:39
7:56
#8219
20M
20.00 mi12:29:442:25:447:1711:03
8:08
#8430
21M
21.00 mi12:38:142:34:147:218:30
8:30
#8493
35K
21.75 mi12:43:462:39:467:215:32
7:24
#8437
23M
23.00 mi12:53:332:49:337:229:47
7:49
#8386
24M
24.00 mi13:01:152:57:157:237:42
7:42
#8372
40K
24.85 mi13:07:593:03:597:246:44
7:53
#8383
25.2M
25.20 mi13:10:543:06:547:252:55
8:27
#8366
Finish
26.22 mi13:18:463:14:467:267:52
7:43
#8468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7071635863587318(Top 26%)6489(Top 40%)6489(Top 115%)
10K6.21 mi3.10 mi7199-1286446-886446-887344(Top 26%)6540(Top 41%)6540(Top 116%)
15K9.32 mi3.11 mi7243-446466-206466-207318(Top 26%)6489(Top 40%)6489(Top 115%)
20K12.43 mi3.11 mi7492-2496625-1596625-1598411(Top 30%)7115(Top 44%)7115(Top 126%)
Half13.11 mi0.68 mi7520-286643-186643-188514(Top 30%)7197(Top 45%)7197(Top 128%)
25K15.53 mi2.42 mi7817-2976819-1766819-1769985(Top 35%)7856(Top 49%)7856(Top 139%)
30K18.64 mi3.11 mi8219-4027007-1887007-18810882(Top 38%)8128(Top 50%)8128(Top 144%)
20M20.00 mi1.36 mi8430-2117105-987105-9811291(Top 40%)8170(Top 51%)8170(Top 145%)
21M21.00 mi1.00 mi8493-637106-17106-110423(Top 37%)7561(Top 47%)7561(Top 134%)
35K21.75 mi0.75 mi8437+567049+577049+577871(Top 28%)6225(Top 39%)6225(Top 110%)
23M23.00 mi1.25 mi8386+516978+716978+718666(Top 31%)6532(Top 41%)6532(Top 116%)
24M24.00 mi1.00 mi8372+146938+406938+409099(Top 32%)6701(Top 42%)6701(Top 119%)
40K24.85 mi0.85 mi8383-116911+276911+279266(Top 33%)6659(Top 41%)6659(Top 118%)
25.2M25.20 mi0.35 mi8366+176881+306881+308505(Top 30%)6190(Top 38%)6190(Top 110%)
Finish26.22 mi1.02 mi8468-1026919-386919-3810814(Top 38%)7406(Top 46%)7406(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7318

Males

6489

M18-39

6489

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7344

Males

6540

M18-39

6540

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7318

Males

6489

M18-39

6489

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8411

Males

7115

M18-39

7115

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8514

Males

7197

M18-39

7197

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9985

Males

7856

M18-39

7856

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10882

Males

8128

M18-39

8128

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11291

Males

8170

M18-39

8170

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10423

Males

7561

M18-39

7561

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7871

Males

6225

M18-39

6225

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8666

Males

6532

M18-39

6532

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9099

Males

6701

M18-39

6701

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9266

Males

6659

M18-39

6659

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8505

Males

6190

M18-39

6190

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10814

Males

7406

M18-39

7406

Passing Analysis

Category:
Athletes Passed
1058
Passed By
2455
Net Change
-1397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7071
5K → 10K145273-128#7071#7199
10K → 15K122166-44#7199#7243
15K → 20K72321-249#7243#7492
20K → Half1745-28#7492#7520
Half → 25K45342-297#7520#7817
25K → 30K91493-402#7817#8219
30K → 20M50261-211#8219#8430
20M → 21M71134-63#8430#8493
21M → 35K8630+56#8493#8437
35K → 23M12877+51#8437#8386
23M → 24M8268+14#8386#8372
24M → 40K7384-11#8372#8383
40K → 25.2M4730+17#8383#8366
25.2M → Finish29131-102#8366#8468
TOTALS10582455-1397
📊

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