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BOSTON MARATHON 2025

Justin Wirth

Bib: 8567•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Masters (Masters Men)
#0 / 10463
Top 5%
Division (M40-44)
#0 / 2247
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4947
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:20
Rank: #3711 (+1236)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
1:00:04
Rank: #3289 (+422)
10K → 15K
19:44 | 6:21/mi
20K· 12.43 mi
1:20:20
Rank: #3250 (+39)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:24:45
Rank: #3272 (-22)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:40:48
Rank: #3302 (-30)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:01:59
Rank: #3287 (+15)
25K → 30K
21:11 | 6:49/mi
20M
2:11:14
Rank: #3219 (+68)
30K → 20M
9:15 | 6:48/mi
21M
2:18:21
Rank: #3163 (+56)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:23:06
Rank: #3074 (+89)
21M → 35K
4:45 | 6:21/mi
23M
2:31:36
Rank: #2989 (+85)
35K → 23M
8:30 | 6:47/mi
24M
2:38:18
Rank: #2969 (+20)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:43:53
Rank: #2884 (+85)
24M → 40K
5:35 | 6:32/mi
25.2M
2:46:20
Rank: #2844 (+40)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:52:28
Rank: #2713 (+131)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:45
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:43
Pace6:41 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3720:386:3820:38
6:38
-
10K
6.21 mi11:06:1940:206:2919:42
6:20
-0:18
15K
9.32 mi11:26:031:00:046:2719:44
6:21
+0:01
20K
12.43 mi11:46:191:20:206:2820:16
6:31
+0:10
Half
13.11 mi11:50:441:24:456:284:25
6:28
-0:03
25K
15.53 mi12:06:471:40:486:2916:03
6:37
+0:09
30K
18.64 mi12:27:582:01:596:3321:11
6:49
+0:12
20M
20.00 mi12:37:132:11:146:349:15
6:48
-0:01
21M
21.00 mi12:44:202:18:216:357:07
7:07
+0:19
35K
21.75 mi12:49:052:23:066:354:45
6:21
-0:46
23M
23.00 mi12:57:352:31:366:358:30
6:47
+0:26
24M
24.00 mi13:04:172:38:186:366:42
6:42
-0:05
40K
24.85 mi13:09:522:43:536:365:35
6:32
-0:10
25.2M
25.20 mi13:12:192:46:206:362:27
7:06
+0:34
Finish
26.22 mi13:18:272:52:286:356:08
6:01
-1:05

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

6:01 /mi

Average Pace

6:35 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:38

56% of race

Time at Steady Pace

1:06:16

38% of race

Time at Slower Pace

9:34

6% of race

Average Pace: 6:35 /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 mi10:46:3720:386:3820:38
6:38
#4947
10K
6.21 mi11:06:1940:206:2919:42
6:20
#3711
15K
9.32 mi11:26:031:00:046:2719:44
6:21
#3289
20K
12.43 mi11:46:191:20:206:2820:16
6:31
#3250
Half
13.11 mi11:50:441:24:456:284:25
6:28
#3272
25K
15.53 mi12:06:471:40:486:2916:03
6:37
#3302
30K
18.64 mi12:27:582:01:596:3321:11
6:49
#3287
20M
20.00 mi12:37:132:11:146:349:15
6:48
#3219
21M
21.00 mi12:44:202:18:216:357:07
7:07
#3163
35K
21.75 mi12:49:052:23:066:354:45
6:21
#3074
23M
23.00 mi12:57:352:31:366:358:30
6:47
#2989
24M
24.00 mi13:04:172:38:186:366:42
6:42
#2969
40K
24.85 mi13:09:522:43:536:365:35
6:32
#2884
25.2M
25.20 mi13:12:192:46:206:362:27
7:06
#2844
Finish
26.22 mi13:18:272:52:286:356:08
6:01
#2713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4947463146312653(Top 9%)2530(Top 16%)2530(Top 113%)
10K6.21 mi3.10 mi3711+12363517+11143517+11142687(Top 9%)2561(Top 16%)2561(Top 114%)
15K9.32 mi3.11 mi3289+4223127+3903127+3902653(Top 9%)2530(Top 16%)2530(Top 113%)
20K12.43 mi3.11 mi3250+393095+323095+323264(Top 11%)3094(Top 19%)3094(Top 138%)
Half13.11 mi0.68 mi3272-223115-203115-203531(Top 12%)3347(Top 21%)3347(Top 149%)
25K15.53 mi2.42 mi3302-303139-243139-243593(Top 13%)3385(Top 21%)3385(Top 151%)
30K18.64 mi3.11 mi3287+153114+253114+253561(Top 13%)3306(Top 21%)3306(Top 147%)
20M20.00 mi1.36 mi3219+683049+653049+652982(Top 10%)2781(Top 17%)2781(Top 124%)
21M21.00 mi1.00 mi3163+562996+532996+532778(Top 10%)2581(Top 16%)2581(Top 115%)
35K21.75 mi0.75 mi3074+892911+852911+851845(Top 6%)1734(Top 11%)1734(Top 77%)
23M23.00 mi1.25 mi2989+852827+842827+842657(Top 9%)2449(Top 15%)2449(Top 109%)
24M24.00 mi1.00 mi2969+202808+192808+192996(Top 11%)2720(Top 17%)2720(Top 121%)
40K24.85 mi0.85 mi2884+852727+812727+811747(Top 6%)1617(Top 10%)1617(Top 72%)
25.2M25.20 mi0.35 mi2844+402690+372690+371847(Top 7%)1686(Top 10%)1686(Top 75%)
Finish26.22 mi1.02 mi2713+1312567+1232567+123976(Top 3%)918(Top 6%)918(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2653

Males

2530

M40-44

2530

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2687

Males

2561

M40-44

2561

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2653

Males

2530

M40-44

2530

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3264

Males

3094

M40-44

3094

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3531

Males

3347

M40-44

3347

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3593

Males

3385

M40-44

3385

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3561

Males

3306

M40-44

3306

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2982

Males

2781

M40-44

2781

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2778

Males

2581

M40-44

2581

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1845

Males

1734

M40-44

1734

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2657

Males

2449

M40-44

2449

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2996

Males

2720

M40-44

2720

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1747

Males

1617

M40-44

1617

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1847

Males

1686

M40-44

1686

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

976

Males

918

M40-44

918

Passing Analysis

Category:
Athletes Passed
2631
Passed By
397
Net Change
+2234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4947
5K → 10K12371+1236#4947#3711
10K → 15K4242+422#3711#3289
15K → 20K10465+39#3289#3250
20K → Half1032-22#3250#3272
Half → 25K6191-30#3272#3302
25K → 30K115100+15#3302#3287
30K → 20M8719+68#3287#3219
20M → 21M8428+56#3219#3163
21M → 35K890+89#3163#3074
35K → 23M10823+85#3074#2989
23M → 24M4828+20#2989#2969
24M → 40K905+85#2969#2884
40K → 25.2M422+40#2884#2844
25.2M → Finish1321+131#2844#2713
TOTALS2631397+2234
📊

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