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BOSTON MARATHON 2025

Tom Holtz

Bib: 2991•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #2941
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:25
Rank: #2690 (+251)
5K → 10K
19:36 | 6:19/mi
15K· 9.32 mi
59:05
Rank: #2633 (+57)
10K → 15K
19:40 | 6:20/mi
20K· 12.43 mi
1:19:06
Rank: #2636 (-3)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:23:23
Rank: #2617 (+19)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:45
Rank: #2493 (+124)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:59:25
Rank: #2481 (+12)
25K → 30K
20:40 | 6:39/mi
20M
2:08:31
Rank: #2442 (+39)
30K → 20M
9:06 | 6:42/mi
21M
2:15:29
Rank: #2387 (+55)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:20:20
Rank: #2360 (+27)
21M → 35K
4:51 | 6:29/mi
23M
2:28:29
Rank: #2290 (+70)
35K → 23M
8:09 | 6:31/mi
24M
2:34:54
Rank: #2238 (+52)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:40:24
Rank: #2170 (+68)
24M → 40K
5:30 | 6:26/mi
25.2M
2:42:49
Rank: #2141 (+29)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:49:09
Rank: #2103 (+38)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:23
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0819:496:2319:49
6:23
-
10K
6.21 mi10:40:4439:256:2119:36
6:19
-0:04
15K
9.32 mi11:00:2459:056:2019:40
6:20
+0:01
20K
12.43 mi11:20:251:19:066:2220:01
6:27
+0:07
Half
13.11 mi11:24:421:23:236:224:17
6:17
-0:10
25K
15.53 mi11:40:041:38:456:2115:22
6:20
+0:03
30K
18.64 mi12:00:441:59:256:2420:40
6:39
+0:19
20M
20.00 mi12:09:502:08:316:269:06
6:42
+0:03
21M
21.00 mi12:16:482:15:296:276:58
6:58
+0:16
35K
21.75 mi12:21:392:20:206:274:51
6:29
-0:29
23M
23.00 mi12:29:482:28:296:278:09
6:31
+0:02
24M
24.00 mi12:36:132:34:546:276:25
6:25
-0:06
40K
24.85 mi12:41:432:40:246:275:30
6:26
+0:01
25.2M
25.20 mi12:44:082:42:496:282:25
7:00
+0:34
Finish
26.22 mi12:50:282:49:096:276:20
6:13
-0:47

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

6:13 /mi

Average Pace

6:27 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:46

94% of race

Time at Steady Pace

9:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:21:0819:496:2319:49
6:23
#2941
10K
6.21 mi10:40:4439:256:2119:36
6:19
#2690
15K
9.32 mi11:00:2459:056:2019:40
6:20
#2633
20K
12.43 mi11:20:251:19:066:2220:01
6:27
#2636
Half
13.11 mi11:24:421:23:236:224:17
6:17
#2617
25K
15.53 mi11:40:041:38:456:2115:22
6:20
#2493
30K
18.64 mi12:00:441:59:256:2420:40
6:39
#2481
20M
20.00 mi12:09:502:08:316:269:06
6:42
#2442
21M
21.00 mi12:16:482:15:296:276:58
6:58
#2387
35K
21.75 mi12:21:392:20:206:274:51
6:29
#2360
23M
23.00 mi12:29:482:28:296:278:09
6:31
#2290
24M
24.00 mi12:36:132:34:546:276:25
6:25
#2238
40K
24.85 mi12:41:432:40:246:275:30
6:26
#2170
25.2M
25.20 mi12:44:082:42:496:282:25
7:00
#2141
Finish
26.22 mi12:50:282:49:096:276:20
6:13
#2103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2941279727972509(Top 9%)2394(Top 15%)2394(Top 42%)
10K6.21 mi3.10 mi2690+2512561+2362561+2362471(Top 9%)2361(Top 15%)2361(Top 42%)
15K9.32 mi3.11 mi2633+572511+502511+502509(Top 9%)2394(Top 15%)2394(Top 42%)
20K12.43 mi3.11 mi2636-32515-42515-42758(Top 10%)2625(Top 16%)2625(Top 47%)
Half13.11 mi0.68 mi2617+192498+172498+172357(Top 8%)2254(Top 14%)2254(Top 40%)
25K15.53 mi2.42 mi2493+1242379+1192379+1192049(Top 7%)1952(Top 12%)1952(Top 35%)
30K18.64 mi3.11 mi2481+122368+112368+112637(Top 9%)2495(Top 15%)2495(Top 44%)
20M20.00 mi1.36 mi2442+392329+392329+392423(Top 9%)2284(Top 14%)2284(Top 40%)
21M21.00 mi1.00 mi2387+552275+542275+542117(Top 7%)1982(Top 12%)1982(Top 35%)
35K21.75 mi0.75 mi2360+272249+262249+262361(Top 8%)2204(Top 14%)2204(Top 39%)
23M23.00 mi1.25 mi2290+702182+672182+671486(Top 5%)1396(Top 9%)1396(Top 25%)
24M24.00 mi1.00 mi2238+522129+532129+531711(Top 6%)1596(Top 10%)1596(Top 28%)
40K24.85 mi0.85 mi2170+682062+672062+671375(Top 5%)1276(Top 8%)1276(Top 23%)
25.2M25.20 mi0.35 mi2141+292032+302032+301491(Top 5%)1362(Top 8%)1362(Top 24%)
Finish26.22 mi1.02 mi2103+381995+371995+371567(Top 6%)1456(Top 9%)1456(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2509

Males

2394

M18-39

2394

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2471

Males

2361

M18-39

2361

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2509

Males

2394

M18-39

2394

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2758

Males

2625

M18-39

2625

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2357

Males

2254

M18-39

2254

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2049

Males

1952

M18-39

1952

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2637

Males

2495

M18-39

2495

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2423

Males

2284

M18-39

2284

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2117

Males

1982

M18-39

1982

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2361

Males

2204

M18-39

2204

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1486

Males

1396

M18-39

1396

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1711

Males

1596

M18-39

1596

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1375

Males

1276

M18-39

1276

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1491

Males

1362

M18-39

1362

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1567

Males

1456

M18-39

1456

Passing Analysis

Category:
Athletes Passed
1193
Passed By
355
Net Change
+838
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2941
5K → 10K28736+251#2941#2690
10K → 15K10851+57#2690#2633
15K → 20K6568-3#2633#2636
20K → Half267+19#2636#2617
Half → 25K1339+124#2617#2493
25K → 30K9886+12#2493#2481
30K → 20M6122+39#2481#2442
20M → 21M7015+55#2442#2387
21M → 35K4518+27#2387#2360
35K → 23M788+70#2360#2290
23M → 24M6715+52#2290#2238
24M → 40K746+68#2238#2170
40K → 25.2M323+29#2170#2141
25.2M → Finish4911+38#2141#2103
TOTALS1193355+838
📊

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