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BOSTON MARATHON 2023

William Guptill

Bib: 11689•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:44/mi
24:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:47/mi
1:12:36
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:38:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:43:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:02:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:28:38
↑ 181↓ 1480.2%
20M
8:36/mi
2:40:19
↑ 64↓ 500.2%
21M
9:16/mi
2:49:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
2:56:01
↑ 17↓ 861.7%
23M
8:54/mi
3:07:10
↑ 23↓ 630.6%
24M
9:13/mi
3:16:23
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:24:08
↓ 200.3%
25.2M
9:28/mi
3:27:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:35:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:17
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1424:037:4424:03
7:44
-
10K
6.21 mi11:15:3548:247:4724:21
7:50
+0:06
15K
9.32 mi11:39:471:12:367:4724:12
7:47
-0:03
20K
12.43 mi12:05:111:38:007:5325:24
8:11
+0:24
Half
13.11 mi12:10:281:43:177:535:17
7:45
-0:26
25K
15.53 mi12:29:522:02:417:5419:24
8:00
+0:15
30K
18.64 mi12:55:492:28:387:5825:57
8:21
+0:21
20M
20.00 mi13:07:302:40:198:0111:41
8:36
+0:15
21M
21.00 mi13:16:462:49:358:059:16
9:16
+0:40
35K
21.75 mi13:23:122:56:018:066:26
8:36
-0:40
23M
23.00 mi13:34:213:07:108:0811:09
8:54
+0:18
24M
24.00 mi13:43:343:16:238:119:13
9:13
+0:19
40K
24.85 mi13:51:193:24:088:137:45
9:04
-0:09
25.2M
25.20 mi13:54:353:27:248:143:16
9:28
+0:24
Finish
26.22 mi14:03:103:35:598:158:35
8:25
-1:03

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

7:44 /mi

Average Pace

8:15 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:17

45% of race

Time at Steady Pace

1:18:03

36% of race

Time at Slower Pace

40:39

19% of race

Average Pace: 8:14 /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 mi10:51:1424:037:4424:03
7:44
#11825
10K
6.21 mi11:15:3548:247:4724:21
7:50
#12590
15K
9.32 mi11:39:471:12:367:4724:12
7:47
#12571
20K
12.43 mi12:05:111:38:007:5325:24
8:11
#13184
Half
13.11 mi12:10:281:43:177:535:17
7:45
#13111
25K
15.53 mi12:29:522:02:417:5419:24
8:00
#13018
30K
18.64 mi12:55:492:28:387:5825:57
8:21
#13088
20M
20.00 mi13:07:302:40:198:0111:41
8:36
#13175
21M
21.00 mi13:16:462:49:358:059:16
9:16
#13256
35K
21.75 mi13:23:122:56:018:066:26
8:36
#13356
23M
23.00 mi13:34:213:07:108:0811:09
8:54
#13503
24M
24.00 mi13:43:343:16:238:119:13
9:13
#13746
40K
24.85 mi13:51:193:24:088:137:45
9:04
#13854
25.2M
25.20 mi13:54:353:27:248:143:16
9:28
#13873
Finish
26.22 mi14:03:103:35:598:158:35
8:25
#13896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi118259048904812634(Top 47%)9362(Top 62%)9362(Top 416%)
10K6.21 mi3.10 mi12590-7659369-3219369-32113445(Top 51%)9744(Top 64%)9744(Top 433%)
15K9.32 mi3.11 mi12571+199341+289341+2812634(Top 47%)9362(Top 62%)9362(Top 416%)
20K12.43 mi3.11 mi13184-6139567-2269567-22614778(Top 56%)10188(Top 67%)10188(Top 452%)
Half13.11 mi0.68 mi13111+739546+219546+2112219(Top 46%)9173(Top 60%)9173(Top 407%)
25K15.53 mi2.42 mi13018+939491+559491+5512741(Top 48%)9242(Top 61%)9242(Top 410%)
30K18.64 mi3.11 mi13088-709467+249467+2413349(Top 50%)9388(Top 62%)9388(Top 417%)
20M20.00 mi1.36 mi13175-879492-259492-2514226(Top 53%)9656(Top 64%)9656(Top 429%)
21M21.00 mi1.00 mi13256-819515-239515-2314785(Top 56%)9844(Top 65%)9844(Top 437%)
35K21.75 mi0.75 mi13356-1009535-209535-2015808(Top 59%)10199(Top 67%)10199(Top 453%)
23M23.00 mi1.25 mi13503-1479569-349569-3415545(Top 58%)10047(Top 66%)10047(Top 446%)
24M24.00 mi1.00 mi13746-2439630-619630-6118095(Top 68%)11118(Top 73%)11118(Top 494%)
40K24.85 mi0.85 mi13854-1089653-239653-2316454(Top 62%)10323(Top 68%)10323(Top 458%)
25.2M25.20 mi0.35 mi13873-199653965314999(Top 56%)9675(Top 64%)9675(Top 430%)
Finish26.22 mi1.02 mi13896-239653965314869(Top 56%)9664(Top 64%)9664(Top 429%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12634

Males

9362

M45-49

9362

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13445

Males

9744

M45-49

9744

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12634

Males

9362

M45-49

9362

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14778

Males

10188

M45-49

10188

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12219

Males

9173

M45-49

9173

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12741

Males

9242

M45-49

9242

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13349

Males

9388

M45-49

9388

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14226

Males

9656

M45-49

9656

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14785

Males

9844

M45-49

9844

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15808

Males

10199

M45-49

10199

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15545

Males

10047

M45-49

10047

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18095

Males

11118

M45-49

11118

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16454

Males

10323

M45-49

10323

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14999

Males

9675

M45-49

9675

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14869

Males

9664

M45-49

9664

Passing Analysis

Category:
Athletes Passed
1112
Passed By
3183
Net Change
-2071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11825
5K → 10K81846-765#11825#12590
10K → 15K202183+19#12590#12571
15K → 20K54667-613#12571#13184
20K → Half818+73#13184#13111
Half → 25K18794+93#13111#13018
25K → 30K167237-70#13018#13088
30K → 20M61148-87#13088#13175
20M → 21M60141-81#13175#13256
21M → 35K31131-100#13256#13356
35K → 23M54201-147#13356#13503
23M → 24M23266-243#13503#13746
24M → 40K41149-108#13746#13854
40K → 25.2M1433-19#13854#13873
25.2M → Finish5679-23#13873#13896
TOTALS11123183-2071
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing