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BOSTON MARATHON 2026

Cliff Li

Bib: 17117•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 47%
Division (M55-59)
#0 / 1491
Top 36%
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:27
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:36
↑ 106↓ 860.1%
HALF· 13.11 mi
7:43/mi
1:41:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:00:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:25:16
↑ 181↓ 1480.2%
20M
7:58/mi
2:36:04
↑ 64↓ 500.2%
21M
8:25/mi
2:44:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:50:05
↑ 17↓ 861.7%
23M
7:44/mi
2:59:45
↑ 23↓ 630.6%
24M
7:33/mi
3:07:18
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:13:46
↓ 200.3%
25.2M
8:08/mi
3:16:34
↑ 13↓ 160.2%
FINISH· 26.22 mi
6:48/mi
3:23:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALF⚖️ Balanced
Distance13.11 mi
Time1:41:51
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:38
Pace7:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:1424:047:4524:04
7:45
-
10K
6.21 mi11:35:2348:137:4624:09
7:47
+0:02
15K
9.32 mi11:59:371:12:277:4724:14
7:48
+0:01
20K
12.43 mi12:23:461:36:367:4724:09
7:47
-0:01
HALF
13.11 mi12:29:011:41:517:475:15
7:43
-0:04
25K
15.53 mi12:47:592:00:497:4718:58
7:50
+0:07
30K
18.64 mi13:12:262:25:167:4824:27
7:53
+0:03
20M
20.00 mi13:23:142:36:047:4910:48
7:58
+0:05
21M
21.00 mi13:31:392:44:297:508:25
8:25
+0:27
35K
21.75 mi13:37:152:50:057:505:36
7:30
-0:55
23M
23.00 mi13:46:552:59:457:499:40
7:44
+0:14
24M
24.00 mi13:54:283:07:187:497:33
7:33
-0:11
40K
24.85 mi14:00:563:13:467:486:28
7:34
+0:01
25.2M
25.20 mi14:03:443:16:347:492:48
8:08
+0:34
FINISH
26.22 mi14:10:393:23:297:466:55
6:48
-1:20

Checkpoints & Pacing

📈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

6:48 /mi

Average Pace

7:46 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:32

13% of race

Time at Steady Pace

2:34:56

76% of race

Time at Slower Pace

22:01

11% of race

Average Pace: 7:46 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:1424:047:4524:04
7:45
#14950
10K
6.21 mi11:35:2348:137:4624:09
7:47
#15140
15K
9.32 mi11:59:371:12:277:4724:14
7:48
#15200
20K
12.43 mi12:23:461:36:367:4724:09
7:47
#14930
HALF
13.11 mi12:29:011:41:517:475:15
7:43
#14915
25K
15.53 mi12:47:592:00:497:4718:58
7:50
#14736
30K
18.64 mi13:12:262:25:167:4824:27
7:53
#14296
20M
20.00 mi13:23:142:36:047:4910:48
7:58
#14140
21M
21.00 mi13:31:392:44:297:508:25
8:25
#14003
35K
21.75 mi13:37:152:50:057:505:36
7:30
#13866
23M
23.00 mi13:46:552:59:457:499:40
7:44
#13638
24M
24.00 mi13:54:283:07:187:497:33
7:33
#13468
40K
24.85 mi14:00:563:13:467:486:28
7:34
#13285
25.2M
25.20 mi14:03:443:16:347:492:48
8:08
#13214
FINISH
26.22 mi14:10:393:23:297:466:55
6:48
#12905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14950102321023215324(Top 53%)10318(Top 63%)10318(Top 692%)
10K6.21 mi3.10 mi15140-19010264-3210264-3215363(Top 53%)10367(Top 63%)10367(Top 695%)
15K9.32 mi3.11 mi15200-6010271-710271-715324(Top 53%)10318(Top 63%)10318(Top 692%)
20K12.43 mi3.11 mi14930+27010167+10410167+10414295(Top 49%)9856(Top 60%)9856(Top 661%)
HALF13.11 mi0.68 mi14915+1510162+510162+514674(Top 51%)10063(Top 62%)10063(Top 675%)
25K15.53 mi2.42 mi14736+17910078+8410078+8413979(Top 48%)9643(Top 59%)9643(Top 647%)
30K18.64 mi3.11 mi14296+4409861+2179861+21712495(Top 43%)8879(Top 54%)8879(Top 596%)
20M20.00 mi1.36 mi14140+1569772+899772+8912457(Top 43%)8772(Top 54%)8772(Top 588%)
21M21.00 mi1.00 mi14003+1379685+879685+8712563(Top 43%)8699(Top 53%)8699(Top 583%)
35K21.75 mi0.75 mi13866+1379613+729613+7210726(Top 37%)7843(Top 48%)7843(Top 526%)
23M23.00 mi1.25 mi13638+2289484+1299484+12910455(Top 36%)7593(Top 46%)7593(Top 509%)
24M24.00 mi1.00 mi13468+1709394+909394+9010456(Top 36%)7542(Top 46%)7542(Top 506%)
40K24.85 mi0.85 mi13285+1839300+949300+949308(Top 32%)6863(Top 42%)6863(Top 460%)
25.2M25.20 mi0.35 mi13214+719268+329268+329092(Top 31%)6694(Top 41%)6694(Top 449%)
FINISH26.22 mi1.02 mi12905+3099095+1739095+1736040(Top 21%)4899(Top 30%)4899(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15324

Males

10318

M55-59

10318

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15363

Males

10367

M55-59

10367

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15324

Males

10318

M55-59

10318

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

14295

Males

9856

M55-59

9856

20K→HALF

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14674

Males

10063

M55-59

10063

HALF→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

13979

Males

9643

M55-59

9643

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12495

Males

8879

M55-59

8879

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12457

Males

8772

M55-59

8772

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12563

Males

8699

M55-59

8699

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10726

Males

7843

M55-59

7843

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10455

Males

7593

M55-59

7593

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10456

Males

7542

M55-59

7542

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9308

Males

6863

M55-59

6863

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

9092

Males

6694

M55-59

6694

25.2M→FINISH

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6040

Males

4899

M55-59

4899

Passing Analysis

Category:
Athletes Passed
2941
Passed By
896
Net Change
+2045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14950
5K → 10K211401-190#14950#15140
10K → 15K180240-60#15140#15200
15K → 20K33262+270#15200#14930
20K → HALF4328+15#14930#14915
HALF → 25K23556+179#14915#14736
25K → 30K46121+440#14736#14296
30K → 20M18226+156#14296#14140
20M → 21M17639+137#14140#14003
21M → 35K1381+137#14003#13866
35K → 23M2357+228#13866#13638
23M → 24M1755+170#13638#13468
24M → 40K1874+183#13468#13285
40K → 25.2M765+71#13285#13214
25.2M → FINISH3101+309#13214#12905
TOTALS2941896+2045
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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OTQ

Olympic Trials Qualifying analysis available

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing