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BOSTON MARATHON 2026

Oliver Krahelski

Bib: 2604•M

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0:00
/ mi
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 19%
Age Group (M18-39)
#0 / 5723
Top 43%
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
19:29
3.11 mi
Rank: #2513
Start → 5K
19:29 | 6:17/mi
10K
39:24
6.21 mi
Rank: #3033 (-520)
5K → 10K
19:55 | 6:25/mi
15K
59:26
9.32 mi
Rank: #3329 (-296)
10K → 15K
20:02 | 6:27/mi
20K
1:19:33
12.43 mi
Rank: #3364 (-35)
15K → 20K
20:07 | 6:29/mi
HALF
1:23:51
13.11 mi
Rank: #3344 (+20)
20K → HALF
4:18 | 6:19/mi
25K
1:39:33
15.53 mi
Rank: #3302 (+42)
HALF → 25K
15:42 | 6:29/mi
30K
2:00:01
18.64 mi
Rank: #3226 (+76)
25K → 30K
20:28 | 6:36/mi
20M
2:08:59
20.00 mi
Rank: #3169 (+57)
30K → 20M
8:58 | 6:37/mi
21M
2:16:05
21.00 mi
Rank: #3185 (-16)
20M → 21M
7:06 | 7:06/mi
35K
2:20:51
21.75 mi
Rank: #3153 (+32)
21M → 35K
4:46 | 6:23/mi
23M
2:29:26
23.00 mi
Rank: #3205 (-52)
35K → 23M
8:35 | 6:52/mi
24M
2:36:15
24.00 mi
Rank: #3250 (-45)
23M → 24M
6:49 | 6:49/mi
40K
2:42:10
24.85 mi
Rank: #3262 (-12)
24M → 40K
5:55 | 6:56/mi
25.2M
2:44:45
25.20 mi
Rank: #3277 (-15)
40K → 25.2M
2:35 | 7:30/mi
FINISH
2:51:32
26.22 mi
Rank: #3303 (-26)
25.2M → FINISH
6:47 | 6:40/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:51
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:27:41
Pace6:42 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1719:296:1719:29
6:17
-
10K
6.21 mi10:40:1239:246:2119:55
6:25
+0:08
15K
9.32 mi11:00:1459:266:2320:02
6:27
+0:02
20K
12.43 mi11:20:211:19:336:2520:07
6:29
+0:02
HALF
13.11 mi11:24:391:23:516:244:18
6:19
-0:10
25K
15.53 mi11:40:211:39:336:2515:42
6:29
+0:10
30K
18.64 mi12:00:492:00:016:2720:28
6:36
+0:07
20M
20.00 mi12:09:472:08:596:278:58
6:37
+0:01
21M
21.00 mi12:16:532:16:056:297:06
7:06
+0:29
35K
21.75 mi12:21:392:20:516:294:46
6:23
-0:43
23M
23.00 mi12:30:142:29:266:308:35
6:52
+0:29
24M
24.00 mi12:37:032:36:156:316:49
6:49
-0:03
40K
24.85 mi12:42:582:42:106:325:55
6:56
+0:07
25.2M
25.20 mi12:45:332:44:456:332:35
7:30
+0:34
FINISH
26.22 mi12:52:202:51:326:336:47
6:40
-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

6:17 /mi

Average Pace

6:33 /mi

Slowest Pace

7:30 /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

2:35:56

91% of race

Time at Steady Pace

13:01

8% of race

Time at Slower Pace

2:35

2% of race

Average Pace: 6:33 /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 mi10:20:1719:296:1719:29
6:17
#2513
10K
6.21 mi10:40:1239:246:2119:55
6:25
#3033
15K
9.32 mi11:00:1459:266:2320:02
6:27
#3329
20K
12.43 mi11:20:211:19:336:2520:07
6:29
#3364
HALF
13.11 mi11:24:391:23:516:244:18
6:19
#3344
25K
15.53 mi11:40:211:39:336:2515:42
6:29
#3302
30K
18.64 mi12:00:492:00:016:2720:28
6:36
#3226
20M
20.00 mi12:09:472:08:596:278:58
6:37
#3169
21M
21.00 mi12:16:532:16:056:297:06
7:06
#3185
35K
21.75 mi12:21:392:20:516:294:46
6:23
#3153
23M
23.00 mi12:30:142:29:266:308:35
6:52
#3205
24M
24.00 mi12:37:032:36:156:316:49
6:49
#3250
40K
24.85 mi12:42:582:42:106:325:55
6:56
#3262
25.2M
25.20 mi12:45:332:44:456:332:35
7:30
#3277
FINISH
26.22 mi12:52:202:51:326:336:47
6:40
#3303
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 mi2513241324133834(Top 13%)3648(Top 22%)3648(Top 64%)
10K6.21 mi3.10 mi3033-5202909-4962909-4963607(Top 12%)3436(Top 21%)3436(Top 60%)
15K9.32 mi3.11 mi3329-2963186-2773186-2773834(Top 13%)3648(Top 22%)3648(Top 64%)
20K12.43 mi3.11 mi3364-353221-353221-353601(Top 12%)3436(Top 21%)3436(Top 60%)
HALF13.11 mi0.68 mi3344+203202+193202+193133(Top 11%)3013(Top 18%)3013(Top 53%)
25K15.53 mi2.42 mi3302+423163+393163+393305(Top 11%)3152(Top 19%)3152(Top 55%)
30K18.64 mi3.11 mi3226+763087+763087+763054(Top 11%)2897(Top 18%)2897(Top 51%)
20M20.00 mi1.36 mi3169+573032+553032+552946(Top 10%)2774(Top 17%)2774(Top 48%)
21M21.00 mi1.00 mi3185-163049-173049-173994(Top 14%)3603(Top 22%)3603(Top 63%)
35K21.75 mi0.75 mi3153+323018+313018+312861(Top 10%)2675(Top 16%)2675(Top 47%)
23M23.00 mi1.25 mi3205-523062-443062-444440(Top 15%)3946(Top 24%)3946(Top 69%)
24M24.00 mi1.00 mi3250-453097-353097-355200(Top 18%)4472(Top 27%)4472(Top 78%)
40K24.85 mi0.85 mi3262-123102-53102-54947(Top 17%)4238(Top 26%)4238(Top 74%)
25.2M25.20 mi0.35 mi3277-153117-153117-155085(Top 18%)4250(Top 26%)4250(Top 74%)
FINISH26.22 mi1.02 mi3303-263133-163133-165113(Top 18%)4253(Top 26%)4253(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3834

Males

3648

M18-39

3648

5K→10K

3.1 - 6.2 mi

Top 12%
×5
+79ft-138ft

Overall

3607

Males

3436

M18-39

3436

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3834

Males

3648

M18-39

3648

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3601

Males

3436

M18-39

3436

20K→HALF

12.4 - 13.1 mi

Top 11%
×2
+19ft-37ft

Overall

3133

Males

3013

M18-39

3013

HALF→25K

13.1 - 15.5 mi

Top 11%
×4
+66ft-88ft

Overall

3305

Males

3152

M18-39

3152

25K→30K

15.5 - 18.6 mi

Top 11%
×9
+181ft-148ft

Overall

3054

Males

2897

M18-39

2897

30K→20M

18.6 - 20.0 mi

Top 10%
×5
+64ft-50ft

Overall

2946

Males

2774

M18-39

2774

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

3994

Males

3603

M18-39

3603

21M→35K

21.0 - 21.8 mi

Top 10%
×7
+17ft-86ft

Overall

2861

Males

2675

M18-39

2675

35K→23M

21.8 - 23.0 mi

Top 15%
×5
+23ft-63ft

Overall

4440

Males

3946

M18-39

3946

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5200

Males

4472

M18-39

4472

24M→40K

24.0 - 24.9 mi

Top 17%
×1
+6ft-20ft

Overall

4947

Males

4238

M18-39

4238

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1
+13ft-16ft

Overall

5085

Males

4250

M18-39

4250

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
×2
+22ft-21ft

Overall

5113

Males

4253

M18-39

4253

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
649
Passed By
991
Net Change
-790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2513
5K → 10K12200-520#2513#3033
10K → 15K20200-296#3033#3329
15K → 20K69104-35#3329#3364
20K → HALF277+20#3364#3344
HALF → 25K8139+42#3344#3302
25K → 30K12953+76#3302#3226
30K → 20M7215+57#3226#3169
20M → 21M4359-16#3169#3185
21M → 35K4614+32#3185#3153
35K → 23M4496-52#3153#3205
23M → 24M3176-45#3205#3250
24M → 40K3345-12#3250#3262
40K → 25.2M1328-15#3262#3277
25.2M → FINISH2955-26#3277#3303
TOTALS649991-790
📊

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