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BOSTON MARATHON 2025

Joe Styrna

Bib: 10570•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M45-49)
#0 / 2386
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #4489
Start → 5K
6:35/mi
20:28 split
10K· 6.21 mi
41:24
Rank: #5022 (-533)
5K → 10K
6:44/mi
20:56 split
15K· 9.32 mi
1:03:58
Rank: #6779 (-1757)
10K → 15K
7:16/mi
22:34 split
20K· 12.43 mi
1:26:19
Rank: #7149 (-370)
15K → 20K
7:12/mi
22:21 split
Half· 13.11 mi
1:30:58
Rank: #7113 (+36)
20K → Half
6:49/mi
4:39 split
25K· 15.53 mi
1:48:13
Rank: #7036 (+77)
Half → 25K
7:07/mi
17:15 split
30K· 18.64 mi
2:11:23
Rank: #6983 (+53)
25K → 30K
7:27/mi
23:10 split
20M
2:21:49
Rank: #7011 (-28)
30K → 20M
7:41/mi
10:26 split
21M
2:30:16
Rank: #7097 (-86)
20M → 21M
8:27/mi
8:27 split
35K· 21.75 mi
2:35:47
Rank: #7079 (+18)
21M → 35K
7:22/mi
5:31 split
23M
2:45:43
Rank: #7138 (-59)
35K → 23M
7:56/mi
9:56 split
24M
2:53:34
Rank: #7214 (-76)
23M → 24M
7:51/mi
7:51 split
40K· 24.85 mi
3:00:44
Rank: #7367 (-153)
24M → 40K
8:23/mi
7:10 split
25.2M
3:03:42
Rank: #7377 (-10)
40K → 25.2M
8:36/mi
2:58 split
Finish· 26.22 mi
3:11:53
Rank: #7578 (-201)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:58
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0320:286:3520:28
6:35
-
10K
6.21 mi11:09:5941:246:4020:56
6:44
+0:09
15K
9.32 mi11:32:331:03:586:5222:34
7:16
+0:32
20K
12.43 mi11:54:541:26:196:5722:21
7:12
-0:04
Half
13.11 mi11:59:331:30:586:564:39
6:49
-0:23
25K
15.53 mi12:16:481:48:136:5817:15
7:07
+0:18
30K
18.64 mi12:39:582:11:237:0323:10
7:27
+0:20
20M
20.00 mi12:50:242:21:497:0510:26
7:41
+0:14
21M
21.00 mi12:58:512:30:167:098:27
8:27
+0:46
35K
21.75 mi13:04:222:35:477:105:31
7:22
-1:05
23M
23.00 mi13:14:182:45:437:129:56
7:56
+0:34
24M
24.00 mi13:22:092:53:347:147:51
7:51
-0:05
40K
24.85 mi13:29:193:00:447:167:10
8:23
+0:32
25.2M
25.20 mi13:32:173:03:427:172:58
8:36
+0:13
Finish
26.22 mi13:40:283:11:537:198:11
8:02
-0:34

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

6:35 /mi

Average Pace

7:19 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:18

33% of race

Time at Steady Pace

1:24:02

44% of race

Time at Slower Pace

44:33

23% of race

Average Pace: 7:19 /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 mi10:49:0320:286:3520:28
6:35
#4489
10K
6.21 mi11:09:5941:246:4020:56
6:44
#5022
15K
9.32 mi11:32:331:03:586:5222:34
7:16
#6779
20K
12.43 mi11:54:541:26:196:5722:21
7:12
#7149
Half
13.11 mi11:59:331:30:586:564:39
6:49
#7113
25K
15.53 mi12:16:481:48:136:5817:15
7:07
#7036
30K
18.64 mi12:39:582:11:237:0323:10
7:27
#6983
20M
20.00 mi12:50:242:21:497:0510:26
7:41
#7011
21M
21.00 mi12:58:512:30:167:098:27
8:27
#7097
35K
21.75 mi13:04:222:35:477:105:31
7:22
#7079
23M
23.00 mi13:14:182:45:437:129:56
7:56
#7138
24M
24.00 mi13:22:092:53:347:147:51
7:51
#7214
40K
24.85 mi13:29:193:00:447:167:10
8:23
#7367
25.2M
25.20 mi13:32:173:03:427:172:58
8:36
#7377
Finish
26.22 mi13:40:283:11:537:198:11
8:02
#7578
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4489422142219659(Top 34%)7894(Top 49%)7894(Top 331%)
10K6.21 mi3.10 mi5022-5334681-4604681-4605695(Top 20%)5224(Top 32%)5224(Top 219%)
15K9.32 mi3.11 mi6779-17576107-14266107-14269659(Top 34%)7894(Top 49%)7894(Top 331%)
20K12.43 mi3.11 mi7149-3706380-2736380-2738136(Top 29%)6950(Top 43%)6950(Top 291%)
Half13.11 mi0.68 mi7113+366352+286352+286264(Top 22%)5649(Top 35%)5649(Top 237%)
25K15.53 mi2.42 mi7036+776282+706282+707057(Top 25%)6159(Top 38%)6159(Top 258%)
30K18.64 mi3.11 mi6983+536197+856197+857419(Top 26%)6224(Top 39%)6224(Top 261%)
20M20.00 mi1.36 mi7011-286186+116186+118178(Top 29%)6546(Top 41%)6546(Top 274%)
21M21.00 mi1.00 mi7097-866219-336219-3310123(Top 36%)7420(Top 46%)7420(Top 311%)
35K21.75 mi0.75 mi7079+186187+326187+327671(Top 27%)6088(Top 38%)6088(Top 255%)
23M23.00 mi1.25 mi7138-596184+36184+39492(Top 33%)6963(Top 43%)6963(Top 292%)
24M24.00 mi1.00 mi7214-766203-196203-1910139(Top 36%)7220(Top 45%)7220(Top 303%)
40K24.85 mi0.85 mi7367-1536275-726275-7212617(Top 44%)8323(Top 52%)8323(Top 349%)
25.2M25.20 mi0.35 mi7377-106265+106265+109318(Top 33%)6570(Top 41%)6570(Top 275%)
Finish26.22 mi1.02 mi7578-2016362-976362-9713033(Top 46%)8534(Top 53%)8534(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9659

Males

7894

M45-49

7894

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5695

Males

5224

M45-49

5224

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9659

Males

7894

M45-49

7894

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8136

Males

6950

M45-49

6950

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6264

Males

5649

M45-49

5649

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7057

Males

6159

M45-49

6159

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7419

Males

6224

M45-49

6224

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8178

Males

6546

M45-49

6546

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10123

Males

7420

M45-49

7420

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7671

Males

6088

M45-49

6088

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9492

Males

6963

M45-49

6963

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10139

Males

7220

M45-49

7220

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12617

Males

8323

M45-49

8323

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9318

Males

6570

M45-49

6570

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13033

Males

8534

M45-49

8534

Passing Analysis

Category:
Athletes Passed
890
Passed By
3979
Net Change
-3089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4489
5K → 10K41574-533#4489#5022
10K → 15K101767-1757#5022#6779
15K → 20K50420-370#6779#7149
20K → Half393+36#7149#7113
Half → 25K15174+77#7113#7036
25K → 30K195142+53#7036#6983
30K → 20M89117-28#6983#7011
20M → 21M64150-86#7011#7097
21M → 35K5941+18#7097#7079
35K → 23M70129-59#7079#7138
23M → 24M51127-76#7138#7214
24M → 40K25178-153#7214#7367
40K → 25.2M2434-10#7367#7377
25.2M → Finish22223-201#7377#7578
TOTALS8903979-3089
📊

Passing Visuals

Category:
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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