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BOSTON MARATHON 2026

Kamran Ostrum

Bib: 26575•M

CA

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
29:40
3.11 mi
Rank: #24625
Start → 5K
29:40 | 9:33/mi
10K
59:12
6.21 mi
Rank: #24601 (+24)
5K → 10K
29:32 | 9:31/mi
15K
1:28:33
9.32 mi
Rank: #24483 (+118)
10K → 15K
29:21 | 9:27/mi
20K
1:58:07
12.43 mi
Rank: #24316 (+167)
15K → 20K
29:34 | 9:31/mi
HALF
2:04:27
13.11 mi
Rank: #24301 (+15)
20K → HALF
6:20 | 9:18/mi
25K
2:28:18
15.53 mi
Rank: #24240 (+61)
HALF → 25K
23:51 | 9:51/mi
30K
2:59:41
18.64 mi
Rank: #24035 (+205)
25K → 30K
31:23 | 10:07/mi
20M
3:13:42
20.00 mi
Rank: #23971 (+64)
30K → 20M
14:01 | 10:20/mi
21M
3:24:58
21.00 mi
Rank: #23933 (+38)
20M → 21M
11:16 | 11:16/mi
35K
3:32:23
21.75 mi
Rank: #23895 (+38)
21M → 35K
7:25 | 9:55/mi
23M
3:45:52
23.00 mi
Rank: #23897 (-2)
35K → 23M
13:29 | 10:47/mi
24M
3:57:08
24.00 mi
Rank: #23992 (-95)
23M → 24M
11:16 | 11:16/mi
40K
4:07:13
24.85 mi
Rank: #24085 (-93)
24M → 40K
10:05 | 11:48/mi
25.2M
4:11:26
25.20 mi
Rank: #24089 (-4)
40K → 25.2M
4:13 | 12:14/mi
FINISH
4:23:21
26.22 mi
Rank: #24250 (-161)
25.2M → FINISH
11:55 | 11:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:27
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:18:54
Pace10:36 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3629:409:3329:40
9:33
-
10K
6.21 mi12:26:0859:129:3229:32
9:31
-0:02
15K
9.32 mi12:55:291:28:339:3129:21
9:27
-0:04
20K
12.43 mi13:25:031:58:079:3129:34
9:31
+0:04
HALF
13.11 mi13:31:232:04:279:306:20
9:18
-0:13
25K
15.53 mi13:55:142:28:189:3323:51
9:51
+0:33
30K
18.64 mi14:26:372:59:419:3931:23
10:07
+0:16
20M
20.00 mi14:40:383:13:429:4214:01
10:20
+0:13
21M
21.00 mi14:51:543:24:589:4611:16
11:16
+0:56
35K
21.75 mi14:59:193:32:239:467:25
9:55
-1:21
23M
23.00 mi15:12:483:45:529:5013:29
10:47
+0:52
24M
24.00 mi15:24:043:57:089:5311:16
11:16
+0:29
40K
24.85 mi15:34:094:07:139:5710:05
11:48
+0:32
25.2M
25.20 mi15:38:224:11:269:594:13
12:14
+0:26
FINISH
26.22 mi15:50:174:23:2110:0411:55
11:42
-0:32

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

9:18 /mi

Average Pace

10:03 /mi

Slowest Pace

12:14 /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

2:04:27

47% of race

Time at Steady Pace

1:16:40

29% of race

Time at Slower Pace

1:02:14

24% of race

Average Pace: 10:03 /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 mi11:56:3629:409:3329:40
9:33
#24625
10K
6.21 mi12:26:0859:129:3229:32
9:31
#24601
15K
9.32 mi12:55:291:28:339:3129:21
9:27
#24483
20K
12.43 mi13:25:031:58:079:3129:34
9:31
#24316
HALF
13.11 mi13:31:232:04:279:306:20
9:18
#24301
25K
15.53 mi13:55:142:28:189:3323:51
9:51
#24240
30K
18.64 mi14:26:372:59:419:3931:23
10:07
#24035
20M
20.00 mi14:40:383:13:429:4214:01
10:20
#23971
21M
21.00 mi14:51:543:24:589:4611:16
11:16
#23933
35K
21.75 mi14:59:193:32:239:467:25
9:55
#23895
23M
23.00 mi15:12:483:45:529:5013:29
10:47
#23897
24M
24.00 mi15:24:043:57:089:5311:16
11:16
#23992
40K
24.85 mi15:34:094:07:139:5710:05
11:48
#24085
25.2M
25.20 mi15:38:224:11:269:594:13
12:14
#24089
FINISH
26.22 mi15:50:174:23:2110:0411:55
11:42
#24250
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24625145431454324279(Top 84%)14378(Top 88%)14378(Top 251%)
10K6.21 mi3.10 mi24601+2414534+914534+924595(Top 85%)14535(Top 89%)14535(Top 254%)
15K9.32 mi3.11 mi24483+11814489+4514489+4524279(Top 84%)14378(Top 88%)14378(Top 251%)
20K12.43 mi3.11 mi24316+16714405+8414405+8423801(Top 82%)14114(Top 86%)14114(Top 247%)
HALF13.11 mi0.68 mi24301+1514393+1214393+1223766(Top 82%)14116(Top 86%)14116(Top 247%)
25K15.53 mi2.42 mi24240+6114348+4514348+4523891(Top 82%)14134(Top 86%)14134(Top 247%)
30K18.64 mi3.11 mi24035+20514227+12114227+12123377(Top 81%)13790(Top 84%)13790(Top 241%)
20M20.00 mi1.36 mi23971+6414181+4614181+4623388(Top 81%)13718(Top 84%)13718(Top 240%)
21M21.00 mi1.00 mi23933+3814153+2814153+2823681(Top 82%)13791(Top 84%)13791(Top 241%)
35K21.75 mi0.75 mi23895+3814118+3514118+3522919(Top 79%)13425(Top 82%)13425(Top 235%)
23M23.00 mi1.25 mi23897-214099+1914099+1923995(Top 83%)13853(Top 85%)13853(Top 242%)
24M24.00 mi1.00 mi23992-9514121-2214121-2225554(Top 88%)14580(Top 89%)14580(Top 255%)
40K24.85 mi0.85 mi24085-9314152-3114152-3125567(Top 88%)14547(Top 89%)14547(Top 254%)
25.2M25.20 mi0.35 mi24089-414147+514147+524851(Top 86%)14198(Top 87%)14198(Top 248%)
FINISH26.22 mi1.02 mi24250-16114207-6014207-6027121(Top 93%)15322(Top 94%)15322(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21
+97ft-345ft

Overall

24279

Males

14378

M18-39

14378

5K→10K

3.1 - 6.2 mi

Top 85%
×5
+79ft-138ft

Overall

24595

Males

14535

M18-39

14535

10K→15K

6.2 - 9.3 mi

Top 84%
×3
+67ft-78ft

Overall

24279

Males

14378

M18-39

14378

15K→20K

9.3 - 12.4 mi

Top 82%
×5
+106ft-86ft

Overall

23801

Males

14114

M18-39

14114

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23766

Males

14116

M18-39

14116

HALF→25K

13.1 - 15.5 mi

Top 82%
×4
+66ft-88ft

Overall

23891

Males

14134

M18-39

14134

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23377

Males

13790

M18-39

13790

30K→20M

18.6 - 20.0 mi

Top 81%
×5
+64ft-50ft

Overall

23388

Males

13718

M18-39

13718

20M→21M

20.0 - 21.0 mi

Top 82%
×8
+106ft-24ft

Overall

23681

Males

13791

M18-39

13791

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22919

Males

13425

M18-39

13425

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

23995

Males

13853

M18-39

13853

23M→24M

23.0 - 24.0 mi

Top 88%
×6
+12ft-82ft

Overall

25554

Males

14580

M18-39

14580

24M→40K

24.0 - 24.9 mi

Top 88%
×1
+6ft-20ft

Overall

25567

Males

14547

M18-39

14547

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1
+13ft-16ft

Overall

24851

Males

14198

M18-39

14198

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
×2
+22ft-21ft

Overall

27121

Males

15322

M18-39

15322

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1440
Passed By
1065
Net Change
+375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24625
5K → 10K237213+24#24625#24601
10K → 15K19779+118#24601#24483
15K → 20K21447+167#24483#24316
20K → HALF3015+15#24316#24301
HALF → 25K13473+61#24301#24240
25K → 30K25550+205#24240#24035
30K → 20M9834+64#24035#23971
20M → 21M8042+38#23971#23933
21M → 35K6022+38#23933#23895
35K → 23M6668-2#23895#23897
23M → 24M24119-95#23897#23992
24M → 40K17110-93#23992#24085
40K → 25.2M1519-4#24085#24089
25.2M → FINISH13174-161#24089#24250
TOTALS14401065+375
📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing