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BOSTON MARATHON 2025

Gary Osmundsen

Bib: 8772•M

AZ

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Age Group (M50-54)
#0 / 1996
Top 11%
Race Day Weather
50°/40°F
broken 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· 3.11 mi
20:45
Rank: #5269
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:50
Rank: #5690 (-421)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:18
Rank: #6105 (-415)
10K → 15K
21:28 | 6:55/mi
20K· 12.43 mi
1:24:49
Rank: #6170 (-65)
15K → 20K
21:31 | 6:56/mi
Half· 13.11 mi
1:29:29
Rank: #6184 (-14)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:31
Rank: #6228 (-44)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:09:17
Rank: #6228
25K → 30K
22:46 | 7:20/mi
20M
2:19:12
Rank: #6135 (+93)
30K → 20M
9:55 | 7:18/mi
21M
2:27:08
Rank: #6130 (+5)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:32:13
Rank: #6036 (+94)
21M → 35K
5:05 | 6:48/mi
23M
2:41:19
Rank: #5891 (+145)
35K → 23M
9:06 | 7:16/mi
24M
2:48:24
Rank: #5793 (+98)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
2:54:36
Rank: #5722 (+71)
24M → 40K
6:12 | 7:15/mi
25.2M
2:57:20
Rank: #5677 (+45)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:04:28
Rank: #5628 (+49)
25.2M → Finish
7:08 | 7:00/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:29:29
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0120:456:4120:45
6:41
-
10K
6.21 mi11:07:0641:506:4421:05
6:47
+0:06
15K
9.32 mi11:28:341:03:186:4721:28
6:55
+0:08
20K
12.43 mi11:50:051:24:496:4921:31
6:56
+0:01
Half
13.11 mi11:54:451:29:296:504:40
6:50
-0:06
25K
15.53 mi12:11:471:46:316:5117:02
7:02
+0:12
30K
18.64 mi12:34:332:09:176:5622:46
7:20
+0:18
20M
20.00 mi12:44:282:19:126:589:55
7:18
-0:02
21M
21.00 mi12:52:242:27:087:007:56
7:56
+0:38
35K
21.75 mi12:57:292:32:137:005:05
6:48
-1:08
23M
23.00 mi13:06:352:41:197:019:06
7:16
+0:28
24M
24.00 mi13:13:402:48:247:017:05
7:05
-0:11
40K
24.85 mi13:19:522:54:367:016:12
7:15
+0:10
25.2M
25.20 mi13:22:362:57:207:022:44
7:56
+0:41
Finish
26.22 mi13:29:443:04:287:027:08
7:00
-0:56

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

6:41 /mi

Average Pace

7:02 /mi

Slowest Pace

7:56 /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

2:53:48

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

10:40

6% of race

Average Pace: 7:02 /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 mi10:46:0120:456:4120:45
6:41
#5269
10K
6.21 mi11:07:0641:506:4421:05
6:47
#5690
15K
9.32 mi11:28:341:03:186:4721:28
6:55
#6105
20K
12.43 mi11:50:051:24:496:4921:31
6:56
#6170
Half
13.11 mi11:54:451:29:296:504:40
6:50
#6184
25K
15.53 mi12:11:471:46:316:5117:02
7:02
#6228
30K
18.64 mi12:34:332:09:176:5622:46
7:20
#6228
20M
20.00 mi12:44:282:19:126:589:55
7:18
#6135
21M
21.00 mi12:52:242:27:087:007:56
7:56
#6130
35K
21.75 mi12:57:292:32:137:005:05
6:48
#6036
23M
23.00 mi13:06:352:41:197:019:06
7:16
#5891
24M
24.00 mi13:13:402:48:247:017:05
7:05
#5793
40K
24.85 mi13:19:522:54:367:016:12
7:15
#5722
25.2M
25.20 mi13:22:362:57:207:022:44
7:56
#5677
Finish
26.22 mi13:29:443:04:287:027:08
7:00
#5628
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5269490449047016(Top 25%)6259(Top 39%)6259(Top 314%)
10K6.21 mi3.10 mi5690-4215257-3535257-3536245(Top 22%)5682(Top 35%)5682(Top 285%)
15K9.32 mi3.11 mi6105-4155592-3355592-3357016(Top 25%)6259(Top 39%)6259(Top 314%)
20K12.43 mi3.11 mi6170-655623-315623-316385(Top 22%)5731(Top 36%)5731(Top 287%)
Half13.11 mi0.68 mi6184-145627-45627-46483(Top 23%)5823(Top 36%)5823(Top 292%)
25K15.53 mi2.42 mi6228-445637-105637-106476(Top 23%)5751(Top 36%)5751(Top 288%)
30K18.64 mi3.11 mi62285612+255612+256610(Top 23%)5715(Top 35%)5715(Top 286%)
20M20.00 mi1.36 mi6135+935522+905522+905782(Top 20%)5043(Top 31%)5043(Top 253%)
21M21.00 mi1.00 mi6130+55505+175505+176973(Top 25%)5663(Top 35%)5663(Top 284%)
35K21.75 mi0.75 mi6036+945419+865419+864120(Top 15%)3695(Top 23%)3695(Top 185%)
23M23.00 mi1.25 mi5891+1455297+1225297+1225274(Top 19%)4510(Top 28%)4510(Top 226%)
24M24.00 mi1.00 mi5793+985205+925205+925129(Top 18%)4348(Top 27%)4348(Top 218%)
40K24.85 mi0.85 mi5722+715137+685137+685372(Top 19%)4473(Top 28%)4473(Top 224%)
25.2M25.20 mi0.35 mi5677+455094+435094+435560(Top 20%)4478(Top 28%)4478(Top 224%)
Finish26.22 mi1.02 mi5628+495042+525042+525724(Top 20%)4561(Top 28%)4561(Top 229%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7016

Males

6259

M50-54

6259

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6245

Males

5682

M50-54

5682

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7016

Males

6259

M50-54

6259

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6385

Males

5731

M50-54

5731

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6483

Males

5823

M50-54

5823

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6476

Males

5751

M50-54

5751

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6610

Males

5715

M50-54

5715

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5782

Males

5043

M50-54

5043

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6973

Males

5663

M50-54

5663

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4120

Males

3695

M50-54

3695

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5274

Males

4510

M50-54

4510

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5129

Males

4348

M50-54

4348

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5372

Males

4473

M50-54

4473

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5560

Males

4478

M50-54

4478

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5724

Males

4561

M50-54

4561

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1324
Passed By
1683
Net Change
-359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5269
5K → 10K56477-421#5269#5690
10K → 15K50465-415#5690#6105
15K → 20K132197-65#6105#6170
20K → Half2438-14#6170#6184
Half → 25K108152-44#6184#6228
25K → 30K1761760#6228#6228
30K → 20M12027+93#6228#6135
20M → 21M7368+5#6135#6130
21M → 35K984+94#6130#6036
35K → 23M15813+145#6036#5891
23M → 24M10810+98#5891#5793
24M → 40K9120+71#5793#5722
40K → 25.2M5611+45#5722#5677
25.2M → Finish7425+49#5677#5628
TOTALS13241683-359
📊

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