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BOSTON MARATHON 2026

Albert Chen

Bib: 26407•M

WI

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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
25:16
3.11 mi
Rank: #17798
Start → 5K
25:16 | 8:08/mi
10K
50:41
6.21 mi
Rank: #18137 (-339)
5K → 10K
25:25 | 8:11/mi
15K
1:15:46
9.32 mi
Rank: #17938 (+199)
10K → 15K
25:05 | 8:05/mi
20K
1:41:07
12.43 mi
Rank: #17759 (+179)
15K → 20K
25:21 | 8:10/mi
HALF
1:46:32
13.11 mi
Rank: #17703 (+56)
20K → HALF
5:25 | 7:57/mi
25K
2:07:15
15.53 mi
Rank: #17890 (-187)
HALF → 25K
20:43 | 8:33/mi
30K
2:33:47
18.64 mi
Rank: #17703 (+187)
25K → 30K
26:32 | 8:33/mi
20M
2:45:36
20.00 mi
Rank: #17661 (+42)
30K → 20M
11:49 | 8:42/mi
21M
2:54:45
21.00 mi
Rank: #17600 (+61)
20M → 21M
9:09 | 9:09/mi
35K
3:01:20
21.75 mi
Rank: #17651 (-51)
21M → 35K
6:35 | 8:48/mi
23M
3:12:20
23.00 mi
Rank: #17618 (+33)
35K → 23M
11:00 | 8:48/mi
24M
3:20:44
24.00 mi
Rank: #17526 (+92)
23M → 24M
8:24 | 8:24/mi
40K
3:27:59
24.85 mi
Rank: #17427 (+99)
24M → 40K
7:15 | 8:29/mi
25.2M
3:31:06
25.20 mi
Rank: #17379 (+48)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:39:03
26.22 mi
Rank: #17235 (+144)
25.2M → FINISH
7:57 | 7:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:32
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:5125:168:0825:16
8:08
-
10K
6.21 mi11:59:1650:418:1025:25
8:11
+0:03
15K
9.32 mi12:24:211:15:468:0825:05
8:05
-0:06
20K
12.43 mi12:49:421:41:078:0925:21
8:10
+0:05
HALF
13.11 mi12:55:071:46:328:085:25
7:57
-0:13
25K
15.53 mi13:15:502:07:158:1220:43
8:33
+0:36
30K
18.64 mi13:42:222:33:478:1526:32
8:33
0:00
20M
20.00 mi13:54:112:45:368:1711:49
8:42
+0:09
21M
21.00 mi14:03:202:54:458:209:09
9:09
+0:27
35K
21.75 mi14:09:543:01:208:216:35
8:48
-0:21
23M
23.00 mi14:20:553:12:208:2211:00
8:48
0:00
24M
24.00 mi14:29:193:20:448:228:24
8:24
-0:24
40K
24.85 mi14:36:343:27:598:237:15
8:29
+0:05
25.2M
25.20 mi14:39:413:31:068:233:07
9:03
+0:34
FINISH
26.22 mi14:47:383:39:038:227:57
7:49
-1:14

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

7:49 /mi

Average Pace

8:22 /mi

Slowest Pace

9:09 /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

2:57:23

81% of race

Time at Steady Pace

41:40

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:33:5125:168:0825:16
8:08
#17798
10K
6.21 mi11:59:1650:418:1025:25
8:11
#18137
15K
9.32 mi12:24:211:15:468:0825:05
8:05
#17938
20K
12.43 mi12:49:421:41:078:0925:21
8:10
#17759
HALF
13.11 mi12:55:071:46:328:085:25
7:57
#17703
25K
15.53 mi13:15:502:07:158:1220:43
8:33
#17890
30K
18.64 mi13:42:222:33:478:1526:32
8:33
#17703
20M
20.00 mi13:54:112:45:368:1711:49
8:42
#17661
21M
21.00 mi14:03:202:54:458:209:09
9:09
#17600
35K
21.75 mi14:09:543:01:208:216:35
8:48
#17651
23M
23.00 mi14:20:553:12:208:2211:00
8:48
#17618
24M
24.00 mi14:29:193:20:448:228:24
8:24
#17526
40K
24.85 mi14:36:343:27:598:237:15
8:29
#17427
25.2M
25.20 mi14:39:413:31:068:233:07
9:03
#17379
FINISH
26.22 mi14:47:383:39:038:227:57
7:49
#17235
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

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 mi17798113341133417510(Top 60%)11232(Top 69%)11232(Top 196%)
10K6.21 mi3.10 mi18137-33911483-14911483-14918453(Top 64%)11653(Top 71%)11653(Top 204%)
15K9.32 mi3.11 mi17938+19911401+8211401+8217510(Top 60%)11232(Top 69%)11232(Top 196%)
20K12.43 mi3.11 mi17759+17911319+8211319+8217231(Top 59%)11099(Top 68%)11099(Top 194%)
HALF13.11 mi0.68 mi17703+5611297+2211297+2216676(Top 57%)10890(Top 67%)10890(Top 190%)
25K15.53 mi2.42 mi17890-18711377-8011377-8018801(Top 65%)11707(Top 72%)11707(Top 205%)
30K18.64 mi3.11 mi17703+18711266+11111266+11117138(Top 59%)10894(Top 67%)10894(Top 190%)
20M20.00 mi1.36 mi17661+4211228+3811228+3817378(Top 60%)10915(Top 67%)10915(Top 191%)
21M21.00 mi1.00 mi17600+6111187+4111187+4116894(Top 58%)10650(Top 65%)10650(Top 186%)
35K21.75 mi0.75 mi17651-5111195-811195-819066(Top 66%)11515(Top 70%)11515(Top 201%)
23M23.00 mi1.25 mi17618+3311145+5011145+5017428(Top 60%)10705(Top 66%)10705(Top 187%)
24M24.00 mi1.00 mi17526+9211086+5911086+5916300(Top 56%)10174(Top 62%)10174(Top 178%)
40K24.85 mi0.85 mi17427+9911027+5911027+5915530(Top 54%)9778(Top 60%)9778(Top 171%)
25.2M25.20 mi0.35 mi17379+4810995+3210995+3214903(Top 51%)9463(Top 58%)9463(Top 165%)
FINISH26.22 mi1.02 mi17235+14410919+7610919+7613777(Top 47%)8930(Top 55%)8930(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17510

Males

11232

M18-39

11232

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18453

Males

11653

M18-39

11653

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17510

Males

11232

M18-39

11232

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17231

Males

11099

M18-39

11099

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16676

Males

10890

M18-39

10890

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18801

Males

11707

M18-39

11707

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17138

Males

10894

M18-39

10894

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17378

Males

10915

M18-39

10915

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16894

Males

10650

M18-39

10650

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19066

Males

11515

M18-39

11515

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17428

Males

10705

M18-39

10705

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16300

Males

10174

M18-39

10174

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15530

Males

9778

M18-39

9778

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14903

Males

9463

M18-39

9463

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13777

Males

8930

M18-39

8930

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1939*
Passed By
1037
Net Change
+563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17798
5K → 10K144200-339#17798#18137
10K → 15K295*96+199#18137#17938
15K → 20K258*79+179#17938#17759
20K → HALF626+56#17759#17703
HALF → 25K69200-187#17703#17890
25K → 30K292*105+187#17890#17703
30K → 20M11068+42#17703#17661
20M → 21M11251+61#17661#17600
21M → 35K4495-51#17600#17651
35K → 23M10370+33#17651#17618
23M → 24M12129+92#17618#17526
24M → 40K11516+99#17526#17427
40K → 25.2M546+48#17427#17379
25.2M → FINISH16016+144#17379#17235
TOTALS1939*1037+563

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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