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BOSTON MARATHON 2026

Donghui Chen

Bib: 10949 •M •Age: N/A

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
Masters (Masters Men)
#0 / 10617
Top 29%
Age Group (M55-59)
#0 / 1491
Top 12%
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
22:19
3.11 mi
Rank: #10013
Start → 5K
22:19 | 7:11/mi
10K
44:56
6.21 mi
Rank: #10475 (-462)
5K → 10K
22:37 | 7:17/mi
15K
1:06:56
9.32 mi
Rank: #9973 (+502)
10K → 15K
22:00 | 7:05/mi
20K
1:29:06
12.43 mi
Rank: #9609 (+364)
15K → 20K
22:10 | 7:09/mi
HALF
1:33:51
13.11 mi
Rank: #9530 (+79)
20K → HALF
4:45 | 6:59/mi
25K
1:51:02
15.53 mi
Rank: #9280 (+250)
HALF → 25K
17:11 | 7:06/mi
30K
2:13:45
18.64 mi
Rank: #9035 (+245)
25K → 30K
22:43 | 7:19/mi
20M
2:23:38
20.00 mi
Rank: #8874 (+161)
30K → 20M
9:53 | 7:17/mi
21M
2:31:29
21.00 mi
Rank: #8839 (+35)
20M → 21M
7:51 | 7:51/mi
35K
2:36:47
21.75 mi
Rank: #8753 (+86)
21M → 35K
5:18 | 7:06/mi
23M
2:45:51
23.00 mi
Rank: #8590 (+163)
35K → 23M
9:04 | 7:15/mi
24M
2:52:58
24.00 mi
Rank: #8500 (+90)
23M → 24M
7:07 | 7:07/mi
40K
2:59:13
24.85 mi
Rank: #8430 (+70)
24M → 40K
6:15 | 7:19/mi
25.2M
3:01:57
25.20 mi
Rank: #8416 (+14)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:09:11
26.22 mi
Rank: #8363 (+53)
25.2M → FINISH
7:14 | 7:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:51
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:35:20
Pace7:17 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:4422:197:1122:19
7:11
-
10K
6.21 mi11:02:2144:567:1422:37
7:17
+0:06
15K
9.32 mi11:24:211:06:567:1122:00
7:05
-0:12
20K
12.43 mi11:46:311:29:067:1122:10
7:09
+0:04
HALF
13.11 mi11:51:161:33:517:104:45
6:59
-0:10
25K
15.53 mi12:08:271:51:027:0917:11
7:06
+0:07
30K
18.64 mi12:31:102:13:457:1122:43
7:19
+0:13
20M
20.00 mi12:41:032:23:387:119:53
7:17
-0:02
21M
21.00 mi12:48:542:31:297:137:51
7:51
+0:34
35K
21.75 mi12:54:122:36:477:135:18
7:06
-0:45
23M
23.00 mi13:03:162:45:517:139:04
7:15
+0:09
24M
24.00 mi13:10:232:52:587:137:07
7:07
-0:08
40K
24.85 mi13:16:382:59:137:136:15
7:19
+0:12
25.2M
25.20 mi13:19:223:01:577:142:44
7:56
+0:37
FINISH
26.22 mi13:26:363:09:117:147:14
7:06
-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

6:59 /mi

Average Pace

7:13 /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

2:58:36

94% of race

Time at Steady Pace

10:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /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 mi10:39:4422:197:1122:19
7:11
#10013
10K
6.21 mi11:02:2144:567:1422:37
7:17
#10475
15K
9.32 mi11:24:211:06:567:1122:00
7:05
#9973
20K
12.43 mi11:46:311:29:067:1122:10
7:09
#9609
HALF
13.11 mi11:51:161:33:517:104:45
6:59
#9530
25K
15.53 mi12:08:271:51:027:0917:11
7:06
#9280
30K
18.64 mi12:31:102:13:457:1122:43
7:19
#9035
20M
20.00 mi12:41:032:23:387:119:53
7:17
#8874
21M
21.00 mi12:48:542:31:297:137:51
7:51
#8839
35K
21.75 mi12:54:122:36:477:135:18
7:06
#8753
23M
23.00 mi13:03:162:45:517:139:04
7:15
#8590
24M
24.00 mi13:10:232:52:587:137:07
7:07
#8500
40K
24.85 mi13:16:382:59:137:136:15
7:19
#8430
25.2M
25.20 mi13:19:223:01:577:142:44
7:56
#8416
FINISH
26.22 mi13:26:363:09:117:147:14
7:06
#8363
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10013808680869110(Top 31%)7540(Top 46%)7540(Top 506%)
10K6.21 mi3.10 mi10475-4628308-2228308-22210949(Top 38%)8508(Top 52%)8508(Top 571%)
15K9.32 mi3.11 mi9973+5028042+2668042+2669110(Top 31%)7540(Top 46%)7540(Top 506%)
20K12.43 mi3.11 mi9609+3647834+2087834+2088819(Top 30%)7309(Top 45%)7309(Top 490%)
HALF13.11 mi0.68 mi9530+797790+447790+448407(Top 29%)7106(Top 43%)7106(Top 477%)
25K15.53 mi2.42 mi9280+2507622+1687622+1688021(Top 28%)6767(Top 41%)6767(Top 454%)
30K18.64 mi3.11 mi9035+2457444+1787444+1788185(Top 28%)6715(Top 41%)6715(Top 450%)
20M20.00 mi1.36 mi8874+1617313+1317313+1317475(Top 26%)6191(Top 38%)6191(Top 415%)
21M21.00 mi1.00 mi8839+357271+427271+428833(Top 30%)6844(Top 42%)6844(Top 459%)
35K21.75 mi0.75 mi8753+867199+727199+727713(Top 27%)6262(Top 38%)6262(Top 420%)
23M23.00 mi1.25 mi8590+1637070+1297070+1297083(Top 24%)5811(Top 36%)5811(Top 390%)
24M24.00 mi1.00 mi8500+906992+786992+787260(Top 25%)5844(Top 36%)5844(Top 392%)
40K24.85 mi0.85 mi8430+706923+696923+697488(Top 26%)5880(Top 36%)5880(Top 394%)
25.2M25.20 mi0.35 mi8416+146904+196904+197850(Top 27%)6020(Top 37%)6020(Top 404%)
FINISH26.22 mi1.02 mi8363+536853+516853+518303(Top 29%)6215(Top 38%)6215(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

9110

Males

7540

M55-59

7540

5K→10K

3.1 - 6.2 mi

Top 38%
×5
+79ft-138ft

Overall

10949

Males

8508

M55-59

8508

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

9110

Males

7540

M55-59

7540

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8819

Males

7309

M55-59

7309

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8407

Males

7106

M55-59

7106

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8021

Males

6767

M55-59

6767

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8185

Males

6715

M55-59

6715

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7475

Males

6191

M55-59

6191

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8833

Males

6844

M55-59

6844

21M→35K

21.0 - 21.8 mi

Top 27%
×7
+17ft-86ft

Overall

7713

Males

6262

M55-59

6262

35K→23M

21.8 - 23.0 mi

Top 24%
×5
+23ft-63ft

Overall

7083

Males

5811

M55-59

5811

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7260

Males

5844

M55-59

5844

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7488

Males

5880

M55-59

5880

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7850

Males

6020

M55-59

6020

25.2M→FINISH

25.2 - 26.2 mi

Top 29%
×2
+22ft-21ft

Overall

8303

Males

6215

M55-59

6215

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2551*
Passed By
540
Net Change
+1650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10013
5K → 10K99200-462#10013#10475
10K → 15K525*23+502#10475#9973
15K → 20K387*23+364#9973#9609
20K → HALF823+79#9609#9530
HALF → 25K262*12+250#9530#9280
25K → 30K297*52+245#9280#9035
30K → 20M18019+161#9035#8874
20M → 21M9459+35#8874#8839
21M → 35K9913+86#8839#8753
35K → 23M18320+163#8753#8590
23M → 24M11727+90#8590#8500
24M → 40K10030+70#8500#8430
40K → 25.2M3521+14#8430#8416
25.2M → FINISH9138+53#8416#8363
TOTALS2551*540+1650

* 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