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BOSTON MARATHON 2026

Khye Yeien Chai

Bib: 29811•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
35:48
3.11 mi
Rank: #28538
Start → 5K
35:48 | 11:32/mi
10K
1:15:35
6.21 mi
Rank: #28805 (-267)
5K → 10K
39:47 | 12:49/mi
15K
1:53:32
9.32 mi
Rank: #28723 (+82)
10K → 15K
37:57 | 12:13/mi
20K
2:34:11
12.43 mi
Rank: #28729 (-6)
15K → 20K
40:39 | 13:06/mi
HALF
2:42:32
13.11 mi
Rank: #28722 (+7)
20K → HALF
8:21 | 12:15/mi
25K
3:13:38
15.53 mi
Rank: #28636 (+86)
HALF → 25K
31:06 | 12:50/mi
30K
3:56:48
18.64 mi
Rank: #28607 (+29)
25K → 30K
43:10 | 13:54/mi
20M
4:14:23
20.00 mi
Rank: #28540 (+67)
30K → 20M
17:35 | 12:57/mi
21M
4:27:35
21.00 mi
Rank: #28477 (+63)
20M → 21M
13:12 | 13:12/mi
35K
4:37:00
21.75 mi
Rank: #28458 (+19)
21M → 35K
9:25 | 12:36/mi
23M
4:53:30
23.00 mi
Rank: #28428 (+30)
35K → 23M
16:30 | 13:12/mi
24M
5:06:00
24.00 mi
Rank: #28389 (+39)
23M → 24M
12:30 | 12:30/mi
40K
5:16:59
24.85 mi
Rank: #28360 (+29)
24M → 40K
10:59 | 12:51/mi
25.2M
5:21:39
25.20 mi
Rank: #28349 (+11)
40K → 25.2M
4:40 | 13:32/mi
FINISH
5:33:31
26.22 mi
Rank: #28292 (+57)
25.2M → FINISH
11:52 | 11:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:42:32
Pace12:24 /mi
2nd Half
Distance13.11 mi
Time2:50:59
Pace13:03 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:4035:4811:3235:48
11:32
-
10K
6.21 mi12:40:271:15:3512:1039:47
12:49
+1:17
15K
9.32 mi13:18:241:53:3212:1137:57
12:13
-0:36
20K
12.43 mi13:59:032:34:1112:2540:39
13:06
+0:53
HALF
13.11 mi14:07:242:42:3212:248:21
12:15
-0:51
25K
15.53 mi14:38:303:13:3812:2831:06
12:50
+0:35
30K
18.64 mi15:21:403:56:4812:4343:10
13:54
+1:04
20M
20.00 mi15:39:154:14:2312:4417:35
12:57
-0:57
21M
21.00 mi15:52:274:27:3512:4513:12
13:12
+0:15
35K
21.75 mi16:01:524:37:0012:459:25
12:36
-0:36
23M
23.00 mi16:18:224:53:3012:4616:30
13:12
+0:36
24M
24.00 mi16:30:525:06:0012:4612:30
12:30
-0:42
40K
24.85 mi16:41:515:16:5912:4610:59
12:51
+0:21
25.2M
25.20 mi16:46:315:21:3912:464:40
13:32
+0:41
FINISH
26.22 mi16:58:235:33:3112:4411:52
11:39
-1:53

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

11:32 /mi

Average Pace

12:44 /mi

Slowest Pace

13:54 /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

1:46:28

32% of race

Time at Steady Pace

2:29:31

45% of race

Time at Slower Pace

1:17:32

23% of race

Average Pace: 12:43 /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 mi12:00:4035:4811:3235:48
11:32
#28538
10K
6.21 mi12:40:271:15:3512:1039:47
12:49
#28805
15K
9.32 mi13:18:241:53:3212:1137:57
12:13
#28723
20K
12.43 mi13:59:032:34:1112:2540:39
13:06
#28729
HALF
13.11 mi14:07:242:42:3212:248:21
12:15
#28722
25K
15.53 mi14:38:303:13:3812:2831:06
12:50
#28636
30K
18.64 mi15:21:403:56:4812:4343:10
13:54
#28607
20M
20.00 mi15:39:154:14:2312:4417:35
12:57
#28540
21M
21.00 mi15:52:274:27:3512:4513:12
13:12
#28477
35K
21.75 mi16:01:524:37:0012:459:25
12:36
#28458
23M
23.00 mi16:18:224:53:3012:4616:30
13:12
#28428
24M
24.00 mi16:30:525:06:0012:4612:30
12:30
#28389
40K
24.85 mi16:41:515:16:5912:4610:59
12:51
#28360
25.2M
25.20 mi16:46:315:21:3912:464:40
13:32
#28349
FINISH
26.22 mi16:58:235:33:3112:4411:52
11:39
#28292
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi28538161941619428499(Top 98%)16162(Top 99%)16162(Top 865%)
10K6.21 mi3.10 mi28805-26716270-7616270-7628894(Top 100%)16296(Top 100%)16296(Top 872%)
15K9.32 mi3.11 mi28723+8216248+2216248+2228499(Top 98%)16162(Top 99%)16162(Top 865%)
20K12.43 mi3.11 mi28729-616247+116247+128651(Top 99%)16197(Top 99%)16197(Top 867%)
HALF13.11 mi0.68 mi28722+716243+416243+428386(Top 98%)16089(Top 98%)16089(Top 861%)
25K15.53 mi2.42 mi28636+8616214+2916214+2928131(Top 97%)15999(Top 98%)15999(Top 856%)
30K18.64 mi3.11 mi28607+2916195+1916195+1928302(Top 98%)16011(Top 98%)16011(Top 857%)
20M20.00 mi1.36 mi28540+6716166+2916166+2927372(Top 94%)15591(Top 95%)15591(Top 835%)
21M21.00 mi1.00 mi28477+6316139+2716139+2726581(Top 92%)15160(Top 93%)15160(Top 812%)
35K21.75 mi0.75 mi28458+1916133+616133+627356(Top 94%)15519(Top 95%)15519(Top 831%)
23M23.00 mi1.25 mi28428+3016121+1216121+1227534(Top 95%)15608(Top 96%)15608(Top 836%)
24M24.00 mi1.00 mi28389+3916100+2116100+2127167(Top 94%)15365(Top 94%)15365(Top 823%)
40K24.85 mi0.85 mi28360+2916089+1116089+1126908(Top 93%)15219(Top 93%)15219(Top 815%)
25.2M25.20 mi0.35 mi28349+1116085+416085+426725(Top 92%)15146(Top 93%)15146(Top 811%)
FINISH26.22 mi1.02 mi28292+5716060+2516060+2527065(Top 93%)15297(Top 94%)15297(Top 819%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28499

Males

16162

M50-54

16162

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28894

Males

16296

M50-54

16296

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28499

Males

16162

M50-54

16162

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28651

Males

16197

M50-54

16197

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28386

Males

16089

M50-54

16089

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28131

Males

15999

M50-54

15999

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28302

Males

16011

M50-54

16011

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27372

Males

15591

M50-54

15591

20M→21M

20.0 - 21.0 mi

Top 92%
×8
+106ft-24ft

Overall

26581

Males

15160

M50-54

15160

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27356

Males

15519

M50-54

15519

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27534

Males

15608

M50-54

15608

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27167

Males

15365

M50-54

15365

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

26908

Males

15219

M50-54

15219

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1
+13ft-16ft

Overall

26725

Males

15146

M50-54

15146

25.2M→FINISH

25.2 - 26.2 mi

Top 93%
×2
+22ft-21ft

Overall

27065

Males

15297

M50-54

15297

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
617
Passed By
371
Net Change
+246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28538
5K → 10K7274-267#28538#28805
10K → 15K897+82#28805#28723
15K → 20K3945-6#28723#28729
20K → HALF92+7#28729#28722
HALF → 25K915+86#28722#28636
25K → 30K5425+29#28636#28607
30K → 20M670+67#28607#28540
20M → 21M641+63#28540#28477
21M → 35K212+19#28477#28458
35K → 23M333+30#28458#28428
23M → 24M412+39#28428#28389
24M → 40K323+29#28389#28360
40K → 25.2M110+11#28360#28349
25.2M → FINISH592+57#28349#28292
TOTALS617371+246
📊

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