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BOSTON MARATHON 2026

Jason Blohm

Bib: 12633•M

IL

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0:00
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
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
21:56
3.11 mi
Rank: #9037
Start → 5K
21:56 | 7:04/mi
10K
44:01
6.21 mi
Rank: #9216 (-179)
5K → 10K
22:05 | 7:07/mi
15K
1:06:26
9.32 mi
Rank: #9491 (-275)
10K → 15K
22:25 | 7:13/mi
20K
1:28:48
12.43 mi
Rank: #9430 (+61)
15K → 20K
22:22 | 7:12/mi
HALF
1:33:34
13.11 mi
Rank: #9382 (+48)
20K → HALF
4:46 | 7:00/mi
25K
1:51:09
15.53 mi
Rank: #9336 (+46)
HALF → 25K
17:35 | 7:16/mi
30K
2:14:18
18.64 mi
Rank: #9280 (+56)
25K → 30K
23:09 | 7:28/mi
20M
2:24:23
20.00 mi
Rank: #9179 (+101)
30K → 20M
10:05 | 7:26/mi
21M
2:32:19
21.00 mi
Rank: #9164 (+15)
20M → 21M
7:56 | 7:56/mi
35K
2:37:35
21.75 mi
Rank: #9071 (+93)
21M → 35K
5:16 | 7:03/mi
23M
2:46:48
23.00 mi
Rank: #8953 (+118)
35K → 23M
9:13 | 7:22/mi
24M
2:53:49
24.00 mi
Rank: #8786 (+167)
23M → 24M
7:01 | 7:01/mi
40K
2:59:52
24.85 mi
Rank: #8633 (+153)
24M → 40K
6:03 | 7:05/mi
25.2M
3:02:30
25.20 mi
Rank: #8577 (+56)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:09:28
26.22 mi
Rank: #8453 (+124)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:34
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3121:567:0421:56
7:04
-
10K
6.21 mi11:12:3644:017:0622:05
7:07
+0:03
15K
9.32 mi11:35:011:06:267:0822:25
7:13
+0:06
20K
12.43 mi11:57:231:28:487:0922:22
7:12
-0:01
HALF
13.11 mi12:02:091:33:347:094:46
7:00
-0:12
25K
15.53 mi12:19:441:51:097:1017:35
7:16
+0:16
30K
18.64 mi12:42:532:14:187:1323:09
7:28
+0:12
20M
20.00 mi12:52:582:24:237:1410:05
7:26
-0:02
21M
21.00 mi13:00:542:32:197:167:56
7:56
+0:30
35K
21.75 mi13:06:102:37:357:155:16
7:03
-0:53
23M
23.00 mi13:15:232:46:487:169:13
7:22
+0:19
24M
24.00 mi13:22:242:53:497:157:01
7:01
-0:21
40K
24.85 mi13:28:272:59:527:156:03
7:05
+0:04
25.2M
25.20 mi13:31:053:02:307:152:38
7:39
+0:34
FINISH
26.22 mi13:38:033:09:287:146:58
6:51
-0:48

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

6:51 /mi

Average Pace

7:14 /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

2:58:54

94% of race

Time at Steady Pace

10:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:50:3121:567:0421:56
7:04
#9037
10K
6.21 mi11:12:3644:017:0622:05
7:07
#9216
15K
9.32 mi11:35:011:06:267:0822:25
7:13
#9491
20K
12.43 mi11:57:231:28:487:0922:22
7:12
#9430
HALF
13.11 mi12:02:091:33:347:094:46
7:00
#9382
25K
15.53 mi12:19:441:51:097:1017:35
7:16
#9336
30K
18.64 mi12:42:532:14:187:1323:09
7:28
#9280
20M
20.00 mi12:52:582:24:237:1410:05
7:26
#9179
21M
21.00 mi13:00:542:32:197:167:56
7:56
#9164
35K
21.75 mi13:06:102:37:357:155:16
7:03
#9071
23M
23.00 mi13:15:232:46:487:169:13
7:22
#8953
24M
24.00 mi13:22:242:53:497:157:01
7:01
#8786
40K
24.85 mi13:28:272:59:527:156:03
7:05
#8633
25.2M
25.20 mi13:31:053:02:307:152:38
7:39
#8577
FINISH
26.22 mi13:38:033:09:287:146:58
6:51
#8453
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 mi90377569756910240(Top 35%)8126(Top 50%)8126(Top 142%)
10K6.21 mi3.10 mi9216-1797667-987667-989447(Top 33%)7759(Top 47%)7759(Top 136%)
15K9.32 mi3.11 mi9491-2757797-1307797-13010240(Top 35%)8126(Top 50%)8126(Top 142%)
20K12.43 mi3.11 mi9430+617736+617736+619323(Top 32%)7574(Top 46%)7574(Top 132%)
HALF13.11 mi0.68 mi9382+487705+317705+318573(Top 30%)7220(Top 44%)7220(Top 126%)
25K15.53 mi2.42 mi9336+467648+577648+579276(Top 32%)7468(Top 46%)7468(Top 130%)
30K18.64 mi3.11 mi9280+567571+777571+779260(Top 32%)7312(Top 45%)7312(Top 128%)
20M20.00 mi1.36 mi9179+1017481+907481+908522(Top 29%)6784(Top 42%)6784(Top 119%)
21M21.00 mi1.00 mi9164+157450+317450+319414(Top 32%)7162(Top 44%)7162(Top 125%)
35K21.75 mi0.75 mi9071+937380+707380+707412(Top 26%)6083(Top 37%)6083(Top 106%)
23M23.00 mi1.25 mi8953+1187275+1057275+1057881(Top 27%)6280(Top 38%)6280(Top 110%)
24M24.00 mi1.00 mi8786+1677158+1177158+1176579(Top 23%)5428(Top 33%)5428(Top 95%)
40K24.85 mi0.85 mi8633+1537042+1167042+1165971(Top 21%)4983(Top 30%)4983(Top 87%)
25.2M25.20 mi0.35 mi8577+566997+456997+456047(Top 21%)4966(Top 30%)4966(Top 87%)
FINISH26.22 mi1.02 mi8453+1246899+986899+986377(Top 22%)5116(Top 31%)5116(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21
+97ft-345ft

Overall

10240

Males

8126

M18-39

8126

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9447

Males

7759

M18-39

7759

10K→15K

6.2 - 9.3 mi

Top 35%
×3
+67ft-78ft

Overall

10240

Males

8126

M18-39

8126

15K→20K

9.3 - 12.4 mi

Top 32%
×5
+106ft-86ft

Overall

9323

Males

7574

M18-39

7574

20K→HALF

12.4 - 13.1 mi

Top 30%
×2
+19ft-37ft

Overall

8573

Males

7220

M18-39

7220

HALF→25K

13.1 - 15.5 mi

Top 32%
×4
+66ft-88ft

Overall

9276

Males

7468

M18-39

7468

25K→30K

15.5 - 18.6 mi

Top 32%
×9
+181ft-148ft

Overall

9260

Males

7312

M18-39

7312

30K→20M

18.6 - 20.0 mi

Top 29%
×5
+64ft-50ft

Overall

8522

Males

6784

M18-39

6784

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9414

Males

7162

M18-39

7162

21M→35K

21.0 - 21.8 mi

Top 26%
×7
+17ft-86ft

Overall

7412

Males

6083

M18-39

6083

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7881

Males

6280

M18-39

6280

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6579

Males

5428

M18-39

5428

24M→40K

24.0 - 24.9 mi

Top 21%
×1
+6ft-20ft

Overall

5971

Males

4983

M18-39

4983

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

6047

Males

4966

M18-39

4966

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6377

Males

5116

M18-39

5116

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1769
Passed By
1184
Net Change
+584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9037
5K → 10K152331-179#9037#9216
10K → 15K64338-275#9216#9491
15K → 20K166105+61#9491#9430
20K → HALF535+48#9430#9382
HALF → 25K12781+46#9382#9336
25K → 30K195139+56#9336#9280
30K → 20M14645+101#9280#9179
20M → 21M8873+15#9179#9164
21M → 35K11017+93#9164#9071
35K → 23M14527+118#9071#8953
23M → 24M1714+167#8953#8786
24M → 40K1596+153#8786#8633
40K → 25.2M604+56#8633#8577
25.2M → FINISH1339+124#8577#8453
TOTALS17691184+584

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📊

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