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BOSTON MARATHON 2026

Owen Trefry

Bib: 10664•M

ON

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Masters (Masters Men)
#0 / 10617
Top 10%
Age Group (M45-49)
#0 / 2413
Top 13%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
21:02
3.11 mi
Rank: #6552
Start → 5K
21:02 | 6:47/mi
10K
42:03
6.21 mi
Rank: #6556 (-4)
5K → 10K
21:01 | 6:46/mi
15K
1:02:48
9.32 mi
Rank: #6209 (+347)
10K → 15K
20:45 | 6:41/mi
20K
1:23:41
12.43 mi
Rank: #5932 (+277)
15K → 20K
20:53 | 6:44/mi
HALF
1:28:11
13.11 mi
Rank: #5894 (+38)
20K → HALF
4:30 | 6:37/mi
25K
1:44:21
15.53 mi
Rank: #5647 (+247)
HALF → 25K
16:10 | 6:40/mi
30K
2:05:35
18.64 mi
Rank: #5415 (+232)
25K → 30K
21:14 | 6:51/mi
20M
2:14:48
20.00 mi
Rank: #5282 (+133)
30K → 20M
9:13 | 6:48/mi
21M
2:21:49
21.00 mi
Rank: #5136 (+146)
20M → 21M
7:01 | 7:01/mi
35K
2:26:29
21.75 mi
Rank: #4985 (+151)
21M → 35K
4:40 | 6:15/mi
23M
2:34:35
23.00 mi
Rank: #4721 (+264)
35K → 23M
8:06 | 6:29/mi
24M
2:40:54
24.00 mi
Rank: #4551 (+170)
23M → 24M
6:19 | 6:19/mi
40K
2:46:33
24.85 mi
Rank: #4464 (+87)
24M → 40K
5:39 | 6:37/mi
25.2M
2:49:03
25.20 mi
Rank: #4436 (+28)
40K → 25.2M
2:30 | 7:15/mi
FINISH
2:55:35
26.22 mi
Rank: #4362 (+74)
25.2M → FINISH
6:32 | 6:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:11
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:24
Pace6:41 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4321:026:4721:02
6:47
-
10K
6.21 mi10:59:4442:036:4721:01
6:46
-0:01
15K
9.32 mi11:20:291:02:486:4520:45
6:41
-0:05
20K
12.43 mi11:41:221:23:416:4520:53
6:44
+0:03
HALF
13.11 mi11:45:521:28:116:444:30
6:37
-0:07
25K
15.53 mi12:02:021:44:216:4416:10
6:40
+0:03
30K
18.64 mi12:23:162:05:356:4521:14
6:51
+0:11
20M
20.00 mi12:32:292:14:486:459:13
6:48
-0:03
21M
21.00 mi12:39:302:21:496:467:01
7:01
+0:13
35K
21.75 mi12:44:102:26:296:454:40
6:15
-0:46
23M
23.00 mi12:52:162:34:356:448:06
6:29
+0:14
24M
24.00 mi12:58:352:40:546:436:19
6:19
-0:10
40K
24.85 mi13:04:142:46:336:435:39
6:37
+0:18
25.2M
25.20 mi13:06:442:49:036:432:30
7:15
+0:38
FINISH
26.22 mi13:13:162:55:356:436:32
6:25
-0:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:15 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:46:04

95% of race

Time at Steady Pace

9:31

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:38:4321:026:4721:02
6:47
#6552
10K
6.21 mi10:59:4442:036:4721:01
6:46
#6556
15K
9.32 mi11:20:291:02:486:4520:45
6:41
#6209
20K
12.43 mi11:41:221:23:416:4520:53
6:44
#5932
HALF
13.11 mi11:45:521:28:116:444:30
6:37
#5894
25K
15.53 mi12:02:021:44:216:4416:10
6:40
#5647
30K
18.64 mi12:23:162:05:356:4521:14
6:51
#5415
20M
20.00 mi12:32:292:14:486:459:13
6:48
#5282
21M
21.00 mi12:39:302:21:496:467:01
7:01
#5136
35K
21.75 mi12:44:102:26:296:454:40
6:15
#4985
23M
23.00 mi12:52:162:34:356:448:06
6:29
#4721
24M
24.00 mi12:58:352:40:546:436:19
6:19
#4551
40K
24.85 mi13:04:142:46:336:435:39
6:37
#4464
25.2M
25.20 mi13:06:442:49:036:432:30
7:15
#4436
FINISH
26.22 mi13:13:162:55:356:436:32
6:25
#4362
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6552588858885628(Top 19%)5157(Top 32%)5157(Top 214%)
10K6.21 mi3.10 mi6556-45891-35891-36583(Top 23%)5887(Top 36%)5887(Top 244%)
15K9.32 mi3.11 mi6209+3475628+2635628+2635628(Top 19%)5157(Top 32%)5157(Top 214%)
20K12.43 mi3.11 mi5932+2775410+2185410+2185378(Top 19%)4943(Top 30%)4943(Top 205%)
HALF13.11 mi0.68 mi5894+385380+305380+305212(Top 18%)4789(Top 29%)4789(Top 198%)
25K15.53 mi2.42 mi5647+2475178+2025178+2024592(Top 16%)4271(Top 26%)4271(Top 177%)
30K18.64 mi3.11 mi5415+2324976+2024976+2024625(Top 16%)4230(Top 26%)4230(Top 175%)
20M20.00 mi1.36 mi5282+1334864+1124864+1124019(Top 14%)3696(Top 23%)3696(Top 153%)
21M21.00 mi1.00 mi5136+1464738+1264738+1263573(Top 12%)3271(Top 20%)3271(Top 136%)
35K21.75 mi0.75 mi4985+1514609+1294609+1292246(Top 8%)2133(Top 13%)2133(Top 88%)
23M23.00 mi1.25 mi4721+2644370+2394370+2392303(Top 8%)2169(Top 13%)2169(Top 90%)
24M24.00 mi1.00 mi4551+1704214+1564214+1562289(Top 8%)2140(Top 13%)2140(Top 89%)
40K24.85 mi0.85 mi4464+874130+844130+843100(Top 11%)2810(Top 17%)2810(Top 116%)
25.2M25.20 mi0.35 mi4436+284102+284102+283814(Top 13%)3329(Top 20%)3329(Top 138%)
FINISH26.22 mi1.02 mi4362+744029+734029+733629(Top 13%)3185(Top 19%)3185(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21
+97ft-345ft

Overall

5628

Males

5157

M45-49

5157

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6583

Males

5887

M45-49

5887

10K→15K

6.2 - 9.3 mi

Top 19%
×3
+67ft-78ft

Overall

5628

Males

5157

M45-49

5157

15K→20K

9.3 - 12.4 mi

Top 19%
×5
+106ft-86ft

Overall

5378

Males

4943

M45-49

4943

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5212

Males

4789

M45-49

4789

HALF→25K

13.1 - 15.5 mi

Top 16%
×4
+66ft-88ft

Overall

4592

Males

4271

M45-49

4271

25K→30K

15.5 - 18.6 mi

Top 16%
×9
+181ft-148ft

Overall

4625

Males

4230

M45-49

4230

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

4019

Males

3696

M45-49

3696

20M→21M

20.0 - 21.0 mi

Top 12%
×8
+106ft-24ft

Overall

3573

Males

3271

M45-49

3271

21M→35K

21.0 - 21.8 mi

Top 8%
×7
+17ft-86ft

Overall

2246

Males

2133

M45-49

2133

35K→23M

21.8 - 23.0 mi

Top 8%
×5
+23ft-63ft

Overall

2303

Males

2169

M45-49

2169

23M→24M

23.0 - 24.0 mi

Top 8%
×6
+12ft-82ft

Overall

2289

Males

2140

M45-49

2140

24M→40K

24.0 - 24.9 mi

Top 11%
×1
+6ft-20ft

Overall

3100

Males

2810

M45-49

2810

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1
+13ft-16ft

Overall

3814

Males

3329

M45-49

3329

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
×2
+22ft-21ft

Overall

3629

Males

3185

M45-49

3185

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2520*
Passed By
330
Net Change
+2190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6552
5K → 10K185189-4#6552#6556
10K → 15K367*20+347#6556#6209
15K → 20K297*20+277#6209#5932
20K → HALF479+38#5932#5894
HALF → 25K256*9+247#5894#5647
25K → 30K263*31+232#5647#5415
30K → 20M1429+133#5415#5282
20M → 21M1548+146#5282#5136
21M → 35K1510+151#5136#4985
35K → 23M266*2+264#4985#4721
23M → 24M1722+170#4721#4551
24M → 40K947+87#4551#4464
40K → 25.2M368+28#4464#4436
25.2M → FINISH9016+74#4436#4362
TOTALS2520*330+2190

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing