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BOSTON MARATHON 2026

Ethan Olson

Bib: 29105•M

CT

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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
28:41
3.11 mi
Rank: #23549
Start → 5K
28:41 | 9:14/mi
10K
55:25
6.21 mi
Rank: #22377 (+1172)
5K → 10K
26:44 | 8:37/mi
15K
1:23:43
9.32 mi
Rank: #22649 (-272)
10K → 15K
28:18 | 9:07/mi
20K
1:50:33
12.43 mi
Rank: #22013 (+636)
15K → 20K
26:50 | 8:39/mi
HALF
1:56:24
13.11 mi
Rank: #21944 (+69)
20K → HALF
5:51 | 8:35/mi
25K
2:19:16
15.53 mi
Rank: #22089 (-145)
HALF → 25K
22:52 | 9:26/mi
30K
2:49:21
18.64 mi
Rank: #22120 (-31)
25K → 30K
30:05 | 9:41/mi
20M
3:03:25
20.00 mi
Rank: #22286 (-166)
30K → 20M
14:04 | 10:22/mi
21M
3:14:31
21.00 mi
Rank: #22399 (-113)
20M → 21M
11:06 | 11:06/mi
35K
3:21:28
21.75 mi
Rank: #22334 (+65)
21M → 35K
6:57 | 9:18/mi
23M
3:35:45
23.00 mi
Rank: #22578 (-244)
35K → 23M
14:17 | 11:25/mi
24M
3:45:19
24.00 mi
Rank: #22536 (+42)
23M → 24M
9:34 | 9:34/mi
40K
3:53:40
24.85 mi
Rank: #22468 (+68)
24M → 40K
8:21 | 9:46/mi
25.2M
3:57:35
25.20 mi
Rank: #22486 (-18)
40K → 25.2M
3:55 | 11:22/mi
FINISH
4:06:35
26.22 mi
Rank: #22396 (+90)
25.2M → FINISH
9:00 | 8:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:24
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:10:11
Pace9:56 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1628:419:1428:41
9:14
-
10K
6.21 mi12:18:0055:258:5626:44
8:37
-0:37
15K
9.32 mi12:46:181:23:438:5928:18
9:07
+0:30
20K
12.43 mi13:13:081:50:338:5426:50
8:39
-0:28
HALF
13.11 mi13:18:591:56:248:535:51
8:35
-0:04
25K
15.53 mi13:41:512:19:168:5822:52
9:26
+0:51
30K
18.64 mi14:11:562:49:219:0630:05
9:41
+0:15
20M
20.00 mi14:26:003:03:259:1114:04
10:22
+0:41
21M
21.00 mi14:37:063:14:319:1611:06
11:06
+0:44
35K
21.75 mi14:44:033:21:289:166:57
9:18
-1:48
23M
23.00 mi14:58:203:35:459:2314:17
11:25
+2:07
24M
24.00 mi15:07:543:45:199:249:34
9:34
-1:51
40K
24.85 mi15:16:153:53:409:258:21
9:46
+0:12
25.2M
25.20 mi15:20:103:57:359:263:55
11:22
+1:36
FINISH
26.22 mi15:29:104:06:359:259:00
8:50
-2:32

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

8:35 /mi

Average Pace

9:25 /mi

Slowest Pace

11:25 /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

1:08:25

28% of race

Time at Steady Pace

2:14:48

55% of race

Time at Slower Pace

43:22

18% of race

Average Pace: 9:24 /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 mi11:51:1628:419:1428:41
9:14
#23549
10K
6.21 mi12:18:0055:258:5626:44
8:37
#22377
15K
9.32 mi12:46:181:23:438:5928:18
9:07
#22649
20K
12.43 mi13:13:081:50:338:5426:50
8:39
#22013
HALF
13.11 mi13:18:591:56:248:535:51
8:35
#21944
25K
15.53 mi13:41:512:19:168:5822:52
9:26
#22089
30K
18.64 mi14:11:562:49:219:0630:05
9:41
#22120
20M
20.00 mi14:26:003:03:259:1114:04
10:22
#22286
21M
21.00 mi14:37:063:14:319:1611:06
11:06
#22399
35K
21.75 mi14:44:033:21:289:166:57
9:18
#22334
23M
23.00 mi14:58:203:35:459:2314:17
11:25
#22578
24M
24.00 mi15:07:543:45:199:249:34
9:34
#22536
40K
24.85 mi15:16:153:53:409:258:21
9:46
#22468
25.2M
25.20 mi15:20:103:57:359:263:55
11:22
#22486
FINISH
26.22 mi15:29:104:06:359:259:00
8:50
#22396
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 mi23549140031400323156(Top 80%)13834(Top 85%)13834(Top 242%)
10K6.21 mi3.10 mi22377+117213427+57613427+57620909(Top 72%)12740(Top 78%)12740(Top 223%)
15K9.32 mi3.11 mi22649-27213578-15113578-15123156(Top 80%)13834(Top 85%)13834(Top 242%)
20K12.43 mi3.11 mi22013+63613255+32313255+32320075(Top 69%)12325(Top 75%)12325(Top 215%)
HALF13.11 mi0.68 mi21944+6913221+3413221+3420722(Top 71%)12670(Top 78%)12670(Top 221%)
25K15.53 mi2.42 mi22089-14513294-7313294-7322805(Top 79%)13609(Top 83%)13609(Top 238%)
30K18.64 mi3.11 mi22120-3113279+1513279+1522204(Top 77%)13249(Top 81%)13249(Top 232%)
20M20.00 mi1.36 mi22286-16613348-6913348-6923484(Top 81%)13757(Top 84%)13757(Top 240%)
21M21.00 mi1.00 mi22399-11313395-4713395-4723326(Top 80%)13633(Top 83%)13633(Top 238%)
35K21.75 mi0.75 mi22334+6513349+4613349+4621107(Top 73%)12542(Top 77%)12542(Top 219%)
23M23.00 mi1.25 mi22578-24413440-9113440-9125270(Top 87%)14468(Top 89%)14468(Top 253%)
24M24.00 mi1.00 mi22536+4213405+3513405+3521552(Top 74%)12651(Top 77%)12651(Top 221%)
40K24.85 mi0.85 mi22468+6813357+4813357+4821239(Top 73%)12454(Top 76%)12454(Top 218%)
25.2M25.20 mi0.35 mi22486-1813360-313360-323194(Top 80%)13391(Top 82%)13391(Top 234%)
FINISH26.22 mi1.02 mi22396+9013310+5013310+5019785(Top 68%)11741(Top 72%)11741(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21
+97ft-345ft

Overall

23156

Males

13834

M18-39

13834

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20909

Males

12740

M18-39

12740

10K→15K

6.2 - 9.3 mi

Top 80%
×3
+67ft-78ft

Overall

23156

Males

13834

M18-39

13834

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20075

Males

12325

M18-39

12325

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20722

Males

12670

M18-39

12670

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22805

Males

13609

M18-39

13609

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22204

Males

13249

M18-39

13249

30K→20M

18.6 - 20.0 mi

Top 81%
×5
+64ft-50ft

Overall

23484

Males

13757

M18-39

13757

20M→21M

20.0 - 21.0 mi

Top 80%
×8
+106ft-24ft

Overall

23326

Males

13633

M18-39

13633

21M→35K

21.0 - 21.8 mi

Top 73%
×7
+17ft-86ft

Overall

21107

Males

12542

M18-39

12542

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25270

Males

14468

M18-39

14468

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21552

Males

12651

M18-39

12651

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21239

Males

12454

M18-39

12454

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23194

Males

13391

M18-39

13391

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19785

Males

11741

M18-39

11741

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2680
Passed By
1527
Net Change
+1153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23549
5K → 10K118816+1172#23549#22377
10K → 15K76348-272#22377#22649
15K → 20K6437+636#22649#22013
20K → HALF745+69#22013#21944
HALF → 25K91236-145#21944#22089
25K → 30K151182-31#22089#22120
30K → 20M49215-166#22120#22286
20M → 21M43156-113#22286#22399
21M → 35K8217+65#22399#22334
35K → 23M19263-244#22334#22578
23M → 24M7331+42#22578#22536
24M → 40K8315+68#22536#22468
40K → 25.2M1129-18#22468#22486
25.2M → FINISH977+90#22486#22396
TOTALS26801527+1153
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing