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BOSTON MARATHON 2026

William Szymanski

Bib: 26051•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Division (M70-74)
#0 / 281
Top 31%
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
9:13/mi
28:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
55:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:23:01
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:51:47
↑ 106↓ 860.1%
HALF· 13.11 mi
8:53/mi
1:57:50
↑ 19↓ 370.5%
25K· 15.53 mi
9:17/mi
2:20:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:32/mi
2:49:55
↑ 181↓ 1480.2%
20M
9:33/mi
3:02:53
↑ 64↓ 500.2%
21M
10:42/mi
3:13:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:22/mi
3:20:35
↑ 17↓ 861.7%
23M
9:54/mi
3:32:58
↑ 23↓ 630.6%
24M
9:40/mi
3:42:38
↓ 821.3%
40K· 24.85 mi
9:51/mi
3:51:03
↓ 200.3%
25.2M
11:16/mi
3:54:56
↑ 13↓ 160.2%
FINISH· 26.22 mi
9:38/mi
4:04:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:57:50
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:06:55
Pace9:41 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:2328:369:1328:36
9:13
-
10K
6.21 mi12:03:4555:589:0127:22
8:49
-0:24
15K
9.32 mi12:30:481:23:018:5527:03
8:43
-0:06
20K
12.43 mi12:59:341:51:479:0028:46
9:16
+0:33
HALF
13.11 mi13:05:371:57:509:006:03
8:53
-0:23
25K
15.53 mi13:28:072:20:209:0322:30
9:17
+0:24
30K
18.64 mi13:57:422:49:559:0729:35
9:32
+0:15
20M
20.00 mi14:10:403:02:539:0912:58
9:33
+0:01
21M
21.00 mi14:21:223:13:359:1410:42
10:42
+1:09
35K
21.75 mi14:28:223:20:359:147:00
9:22
-1:20
23M
23.00 mi14:40:453:32:589:1612:23
9:54
+0:32
24M
24.00 mi14:50:253:42:389:179:40
9:40
-0:14
40K
24.85 mi14:58:503:51:039:188:25
9:51
+0:11
25.2M
25.20 mi15:02:433:54:569:203:53
11:16
+1:25
FINISH
26.22 mi15:12:324:04:459:219:49
9:38
-1:38

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

8:43 /mi

Average Pace

9:20 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:28

25% of race

Time at Steady Pace

2:37:19

64% of race

Time at Slower Pace

26:58

11% of race

Average Pace: 9:20 /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 mi11:36:2328:369:1328:36
9:13
#23473
10K
6.21 mi12:03:4555:589:0127:22
8:49
#22778
15K
9.32 mi12:30:481:23:018:5527:03
8:43
#22286
20K
12.43 mi12:59:341:51:479:0028:46
9:16
#22463
HALF
13.11 mi13:05:371:57:509:006:03
8:53
#22438
25K
15.53 mi13:28:072:20:209:0322:30
9:17
#22403
30K
18.64 mi13:57:422:49:559:0729:35
9:32
#22260
20M
20.00 mi14:10:403:02:539:0912:58
9:33
#22166
21M
21.00 mi14:21:223:13:359:1410:42
10:42
#22200
35K
21.75 mi14:28:223:20:359:147:00
9:22
#22179
23M
23.00 mi14:40:453:32:589:1612:23
9:54
#22143
24M
24.00 mi14:50:253:42:389:179:40
9:40
#22139
40K
24.85 mi14:58:503:51:039:188:25
9:51
#22128
25.2M
25.20 mi15:02:433:54:569:203:53
11:16
#22144
FINISH
26.22 mi15:12:324:04:459:219:49
9:38
#22166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi23473139701397021226(Top 73%)12888(Top 79%)12888(Top 4586%)
10K6.21 mi3.10 mi22778+69513637+33313637+33321941(Top 76%)13229(Top 81%)13229(Top 4708%)
15K9.32 mi3.11 mi22286+49213394+24313394+24321226(Top 73%)12888(Top 79%)12888(Top 4586%)
20K12.43 mi3.11 mi22463-17713479-8513479-8522975(Top 79%)13718(Top 84%)13718(Top 4882%)
HALF13.11 mi0.68 mi22438+2513469+1013469+1022153(Top 76%)13348(Top 82%)13348(Top 4750%)
25K15.53 mi2.42 mi22403+3513450+1913450+1922320(Top 77%)13389(Top 82%)13389(Top 4765%)
30K18.64 mi3.11 mi22260+14313354+9613354+9621710(Top 75%)13002(Top 80%)13002(Top 4627%)
20M20.00 mi1.36 mi22166+9413293+6113293+6121225(Top 73%)12688(Top 78%)12688(Top 4515%)
21M21.00 mi1.00 mi22200-3413294-113294-122418(Top 77%)13226(Top 81%)13226(Top 4707%)
35K21.75 mi0.75 mi22179+2113276+1813276+1821337(Top 74%)12648(Top 77%)12648(Top 4501%)
23M23.00 mi1.25 mi22143+3613245+3113245+3121833(Top 75%)12835(Top 79%)12835(Top 4568%)
24M24.00 mi1.00 mi22139+413219+2613219+2621870(Top 75%)12818(Top 78%)12818(Top 4562%)
40K24.85 mi0.85 mi22128+1113202+1713202+1721481(Top 74%)12574(Top 77%)12574(Top 4475%)
25.2M25.20 mi0.35 mi22144-1613207-513207-522966(Top 79%)13296(Top 81%)13296(Top 4732%)
FINISH26.22 mi1.02 mi22166-2213203+413203+422767(Top 78%)13199(Top 81%)13199(Top 4697%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

21226

Males

12888

M70-74

12888

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21941

Males

13229

M70-74

13229

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

21226

Males

12888

M70-74

12888

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22975

Males

13718

M70-74

13718

20K→HALF

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

22153

Males

13348

M70-74

13348

HALF→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

22320

Males

13389

M70-74

13389

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21710

Males

13002

M70-74

13002

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

21225

Males

12688

M70-74

12688

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

22418

Males

13226

M70-74

13226

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21337

Males

12648

M70-74

12648

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21833

Males

12835

M70-74

12835

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21870

Males

12818

M70-74

12818

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21481

Males

12574

M70-74

12574

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22966

Males

13296

M70-74

13296

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22767

Males

13199

M70-74

13199

Passing Analysis

Category:
Athletes Passed
2294
Passed By
987
Net Change
+1307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23473
5K → 10K74449+695#23473#22778
10K → 15K52230+492#22778#22286
15K → 20K112289-177#22286#22463
20K → HALF4318+25#22463#22438
HALF → 25K13095+35#22438#22403
25K → 30K244101+143#22403#22260
30K → 20M12935+94#22260#22166
20M → 21M5993-34#22166#22200
21M → 35K6241+21#22200#22179
35K → 23M9660+36#22179#22143
23M → 24M5349+4#22143#22139
24M → 40K4130+11#22139#22128
40K → 25.2M1430-16#22128#22144
25.2M → FINISH4567-22#22144#22166
TOTALS2294987+1307
📊

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