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BOSTON MARATHON 2026

Greg Williams

Bib: 12530•M

IN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 35%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 37%
Age Group (M45-49)
#0 / 2413
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
22:36
3.11 mi
Rank: #10804
Start → 5K
22:36 | 7:17/mi
10K
44:46
6.21 mi
Rank: #10245 (+559)
5K → 10K
22:10 | 7:09/mi
15K
1:08:02
9.32 mi
Rank: #11024 (-779)
10K → 15K
23:16 | 7:30/mi
20K
1:30:52
12.43 mi
Rank: #10936 (+88)
15K → 20K
22:50 | 7:21/mi
HALF
1:35:53
13.11 mi
Rank: #10976 (-40)
20K → HALF
5:01 | 7:22/mi
25K
1:54:04
15.53 mi
Rank: #11017 (-41)
HALF → 25K
18:11 | 7:30/mi
30K
2:17:47
18.64 mi
Rank: #10917 (+100)
25K → 30K
23:43 | 7:39/mi
20M
2:28:05
20.00 mi
Rank: #10797 (+120)
30K → 20M
10:18 | 7:35/mi
21M
2:35:59
21.00 mi
Rank: #10670 (+127)
20M → 21M
7:54 | 7:54/mi
35K
2:41:29
21.75 mi
Rank: #10605 (+65)
21M → 35K
5:30 | 7:22/mi
23M
2:50:59
23.00 mi
Rank: #10492 (+113)
35K → 23M
9:30 | 7:36/mi
24M
2:58:24
24.00 mi
Rank: #10417 (+75)
23M → 24M
7:25 | 7:25/mi
40K
3:04:54
24.85 mi
Rank: #10350 (+67)
24M → 40K
6:30 | 7:37/mi
25.2M
3:07:43
25.20 mi
Rank: #10318 (+32)
40K → 25.2M
2:49 | 8:11/mi
FINISH
3:15:01
26.22 mi
Rank: #10239 (+79)
25.2M → FINISH
7:18 | 7:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:53
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5822:367:1722:36
7:17
-
10K
6.21 mi11:13:0844:467:1322:10
7:09
-0:08
15K
9.32 mi11:36:241:08:027:1823:16
7:30
+0:21
20K
12.43 mi11:59:141:30:527:1922:50
7:21
-0:09
HALF
13.11 mi12:04:151:35:537:195:01
7:22
+0:01
25K
15.53 mi12:22:261:54:047:2118:11
7:30
+0:08
30K
18.64 mi12:46:092:17:477:2423:43
7:39
+0:09
20M
20.00 mi12:56:272:28:057:2510:18
7:35
-0:04
21M
21.00 mi13:04:212:35:597:267:54
7:54
+0:19
35K
21.75 mi13:09:512:41:297:265:30
7:22
-0:32
23M
23.00 mi13:19:212:50:597:279:30
7:36
+0:14
24M
24.00 mi13:26:462:58:247:277:25
7:25
-0:11
40K
24.85 mi13:33:163:04:547:276:30
7:37
+0:12
25.2M
25.20 mi13:36:053:07:437:272:49
8:11
+0:34
FINISH
26.22 mi13:43:233:15:017:277:18
7:10
-1:01

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

7:09 /mi

Average Pace

7:27 /mi

Slowest Pace

8:11 /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

3:04:18

95% of race

Time at Steady Pace

10:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:50:5822:367:1722:36
7:17
#10804
10K
6.21 mi11:13:0844:467:1322:10
7:09
#10245
15K
9.32 mi11:36:241:08:027:1823:16
7:30
#11024
20K
12.43 mi11:59:141:30:527:1922:50
7:21
#10936
HALF
13.11 mi12:04:151:35:537:195:01
7:22
#10976
25K
15.53 mi12:22:261:54:047:2118:11
7:30
#11017
30K
18.64 mi12:46:092:17:477:2423:43
7:39
#10917
20M
20.00 mi12:56:272:28:057:2510:18
7:35
#10797
21M
21.00 mi13:04:212:35:597:267:54
7:54
#10670
35K
21.75 mi13:09:512:41:297:265:30
7:22
#10605
23M
23.00 mi13:19:212:50:597:279:30
7:36
#10492
24M
24.00 mi13:26:462:58:247:277:25
7:25
#10417
40K
24.85 mi13:33:163:04:547:276:30
7:37
#10350
25.2M
25.20 mi13:36:053:07:437:272:49
8:11
#10318
FINISH
26.22 mi13:43:233:15:017:277:18
7:10
#10239
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi108048483848312690(Top 44%)9246(Top 57%)9246(Top 383%)
10K6.21 mi3.10 mi10245+5598191+2928191+2929647(Top 33%)7885(Top 48%)7885(Top 327%)
15K9.32 mi3.11 mi11024-7798548-3578548-35712690(Top 44%)9246(Top 57%)9246(Top 383%)
20K12.43 mi3.11 mi10936+888461+878461+8710623(Top 37%)8219(Top 50%)8219(Top 341%)
HALF13.11 mi0.68 mi10976-408475-148475-1411633(Top 40%)8753(Top 54%)8753(Top 363%)
25K15.53 mi2.42 mi11017-418476-18476-111365(Top 39%)8492(Top 52%)8492(Top 352%)
30K18.64 mi3.11 mi10917+1008371+1058371+10510692(Top 37%)8049(Top 49%)8049(Top 334%)
20M20.00 mi1.36 mi10797+1208291+808291+809694(Top 33%)7426(Top 45%)7426(Top 308%)
21M21.00 mi1.00 mi10670+1278207+848207+849209(Top 32%)7062(Top 43%)7062(Top 293%)
35K21.75 mi0.75 mi10605+658156+518156+519695(Top 33%)7321(Top 45%)7321(Top 303%)
23M23.00 mi1.25 mi10492+1138060+968060+969514(Top 33%)7150(Top 44%)7150(Top 296%)
24M24.00 mi1.00 mi10417+757999+617999+619449(Top 33%)7027(Top 43%)7027(Top 291%)
40K24.85 mi0.85 mi10350+677948+517948+519571(Top 33%)6993(Top 43%)6993(Top 290%)
25.2M25.20 mi0.35 mi10318+327920+287920+289341(Top 32%)6798(Top 42%)6798(Top 282%)
FINISH26.22 mi1.02 mi10239+797861+597861+598829(Top 30%)6493(Top 40%)6493(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12690

Males

9246

M45-49

9246

5K→10K

3.1 - 6.2 mi

Top 33%
×5
+79ft-138ft

Overall

9647

Males

7885

M45-49

7885

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12690

Males

9246

M45-49

9246

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10623

Males

8219

M45-49

8219

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11633

Males

8753

M45-49

8753

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11365

Males

8492

M45-49

8492

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10692

Males

8049

M45-49

8049

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9694

Males

7426

M45-49

7426

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9209

Males

7062

M45-49

7062

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9695

Males

7321

M45-49

7321

35K→23M

21.8 - 23.0 mi

Top 33%
×5
+23ft-63ft

Overall

9514

Males

7150

M45-49

7150

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9449

Males

7027

M45-49

7027

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9571

Males

6993

M45-49

6993

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1
+13ft-16ft

Overall

9341

Males

6798

M45-49

6798

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8829

Males

6493

M45-49

6493

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2184
Passed By
1618
Net Change
+565
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10804
5K → 10K60646+559#10804#10245
10K → 15K39818-779#10245#11024
15K → 20K190102+88#11024#10936
20K → HALF2262-40#10936#10976
HALF → 25K137178-41#10976#11017
25K → 30K242142+100#11017#10917
30K → 20M15636+120#10917#10797
20M → 21M16336+127#10797#10670
21M → 35K9126+65#10670#10605
35K → 23M16451+113#10605#10492
23M → 24M11237+75#10492#10417
24M → 40K9932+67#10417#10350
40K → 25.2M4715+32#10350#10318
25.2M → FINISH11637+79#10318#10239
TOTALS21841618+565
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing